Intel Core i9-14900KS vs Intel Core Ultra 5 245K

Winner:
Intel Core Ultra 5 245K
Main Difference:
Newer platform and superior efficiency versus maximum raw speed on an older socket
Page Summary:
Intel Core Ultra 5 245K is the smarter pick because it establishes a long-term upgrade path on the LGA 1851 socket while delivering modern performance at less than half the $689 MSRP of the power-hungry i9-14900KS.
Last updated:
January 31, 2026

The Essentials

Intel Core i9-14900KS

MSRP:
$689
See Current Price
Spec Sheet:
Core Count:
24
Thread Count:
32
Base Clock:
3.2 GHz
Boost Clock:
6.2 GHz
Integrated Graphics:
UHD Graphics 770
VRAM:
36 MB (shared)
L3 Cache:
36 MB (shared)
TDP:
150 W
Socket:
Intel 1700
Bus Width:
Intel 1700
Release Date:
2024-03-14
Gaming Scores:
(Higher is better)
Resolution
Rasterization
Ray Tracing
1080p
1440p
4K
Gaming and Productivity Scores:
(Higher is better)
Gaming
Productivity
79.5
87.5

Intel Core Ultra 5 245K

MSRP:
$319
See Current Price
Spec Sheet:
Core Count:
14
Thread Count:
14
Base Clock:
4.2 GHz
Boost Clock:
5.2 GHz
Integrated Graphics:
Arc Xe-LPG Graphics 64EU
VRAM:
24 MB (shared)
L3 Cache:
24 MB (shared)
TDP:
125 W
Socket:
Intel 1851
Bus Width:
Intel 1851
Release Date:
2024-10-24
Gaming Scores:
(Higher is better)
Resolution
Rasterization
Ray Tracing
1080p
1440p
4K
Gaming and Productivity Scores:
(Higher is better)
Gaming
Productivity
67.4
63.9
Note about scores:
We measure this card's performance against the absolute best GPU currently available. The numbers show the percentage of performance you get compared to the market leader at 1080p, 1440p, and 4K resolutions, with the leader at 100. These scores are aggregated from a wide range of different games to create a reliable average. However, keep in mind that performance in specific titles may deviate from this average depending on how that game is optimized.
Note about scores:
We measure this processor's performance against the absolute best CPU currently available. The numbers show the percentage of performance you get compared to the market leader in both gaming and workstation tasks, with the leader at 100. These scores are aggregated from a wide range of different games and applications to create a reliable average. However, keep in mind that performance in specific software may deviate from this average depending on how that program is optimized.

Performance Deep Dive

Intel Core i9-14900KS
Gaming Analysis:

The Intel Core i9-14900KS exists for the enthusiast who demands the highest possible frequency without concern for power draw or thermal requirements. It serves as a final, high-voltage peak for the LGA 1700 platform by pushing binned silicon to a 6.2 GHz boost clock that effectively brute-forces its way through engine bottlenecks. While newer architectures prioritize efficiency, this chip focuses on raw velocity to ensure high-end graphics cards are never starved for instructions. You are choosing this part to minimize frame rate dips and micro-stutters during chaotic gameplay where every millisecond of CPU response counts.

The 36MB L3 cache acts as a high-speed staging area for world geometry and logic, reducing the frequency with which the processor must fetch data from system memory. This shared pool of data helps the chip maintain high performance in simulation-heavy titles where the CPU is constantly calculating complex physics and AI paths for numerous objects simultaneously. Because many game engines still rely on a primary thread to coordinate the render pipeline, the massive 6.2 GHz clock speed ensures the main engine thread stays ahead of the workload. It is a specialized tool for high-refresh gaming where the processor determines the upper limits of visual fluidity.

  • The 6.2 GHz boost clock is a historic out-of-the-box frequency that provides a edge in titles that rely heavily on single-core speed.
  • With 24 cores and 32 threads, the impact from background multitasking is negligible, allowing you to record footage using the Integrated UHD 770 QuickSync engine without taking resources away from the game.
  • Frame-time consistency is a significant benefit here, as the high-binned Raptor Lake-R architecture helps maintain steady pacing for a smoother visual experience during fast camera movements.
  • The LGA 1700 socket is at the end of its lifecycle, making this the final performance ceiling for compatible motherboards.
  • Managing the heat produced by these clock speeds requires a top-tier liquid cooling solution to prevent the chip from downclocking under heavy sustained loads.

Pairing this processor with high-speed DDR5 memory is necessary to fully realize the silicon's potential. The 14900KS is a demanding component that scales well with increased memory bandwidth, and when configured properly, it offers a level of responsiveness that few other chips can match. This is not a choice for the average builder or those focused on value. It is a halo component for those who want to reach the end of the Raptor Lake era with the most powerful displacement possible, ensuring their system remains a top-tier gaming machine as the industry shifts toward different architectural designs.

Intel Core Ultra 5 245K
Gaming Analysis:

The Intel Core Ultra 5 245K serves as a balanced mid-tier option that favors efficiency and architectural refinement over raw, brute-force speed. Because Intel removed Hyper-Threading for this Arrow Lake design, the chip relies on 14 dedicated physical cores to handle game logic and background processes with distinct clarity. It functions as a steady coordinator for your graphics hardware, providing enough headroom to drive modern displays without the excessive heat or power draw seen in older high-performance designs. While it lacks the aggressive single-core frequency of the highest-tier enthusiast chips, it offers a consistent experience for gamers who prioritize a quiet, stable system.

The gaming experience is shaped by several fundamental hardware characteristics.

  • The 24 MB of L3 cache acts as a high-speed buffer that keeps essential game data within reach of the processor. This is particularly noticeable in sprawling open-world titles or simulation games where the engine must constantly track physics and NPC logic, helping to reduce those sharp stutters that can pull you out of the experience.
  • With a 5.2 GHz boost clock, the processor provides the necessary snap for legacy engines and modern APIs to keep the instruction pipeline moving. It ensures that even during busy scenes with high particle counts or complex lighting, the communication between the CPU and your graphics card remains fluid.
  • Building on the LGA1851 socket places this chip at the start of a fresh hardware cycle. Unlike previous architectures that often pushed silicon to its thermal limits, this 3 nm process is designed for better efficiency, meaning you can maintain high performance during long sessions without needing a massive cooling solution to prevent throttling.
  • The 14-core layout provides a robust foundation for modern gaming, though the lack of Hyper-Threading means it focuses on direct execution rather than virtualizing extra threads. It is a practical choice for those who want smooth frame pacing in high-fidelity titles but do not require the extreme throughput of flagship-class silicon.

Choosing this architecture is a strategic move for those who value platform longevity. Since the LGA1851 socket is a new introduction, you are not stepping into a dead-end hardware path, providing a predictable route for future upgrades as gaming demands continue to evolve. It handles demanding high-resolution gaming with a level of composure that makes it a reliable anchor for a modern build.

Intel Core i9-14900KS
Productivity Analysis:

While the gaming performance focuses on peak velocity, the productivity side of the Intel Core i9-14900KS is defined by massive displacement and parallel throughput. With 24 cores and 32 threads, the system maintains a high degree of responsiveness even when heavy backgrounds tasks are active. This architecture treats complex operations like tile-based rendering or large-scale code compilation with a brute-force approach that keeps the interface fluid. You can initiate a long export and continue working across dozens of browser tabs or creative assets without the cursor dragging or the system hitching under the weight of the primary workload.

Applications that prioritize single-thread speed feel exceptionally snappy because of the 6.2 GHz boost clock, which sits significantly higher than typical professional-grade hardware. The 36MB of shared L3 cache keeps essential datasets accessible, ensuring that viewports in design or modeling software remain smooth as project complexity grows. This combination of high frequency and high core count means the processor does not run out of breath during sustained pulls. It is a solution designed to remove bottlenecks by providing enough overhead to handle the most demanding creative pipelines without compromise.

The presence of the Integrated UHD Graphics 770 engine provides a specific advantage for video work through Intel QuickSync technology. This dedicated hardware handles the heavy lifting for H.264 and HEVC 4:2:2 media, which can help in supported apps by smoothing out timeline scrubbing and playback. It functions as a specialized accelerator that works alongside the primary cores to reduce the friction of editing high-bitrate footage. By offloading these specific tasks, the 32 threads are left free to manage the final render and secondary processing, potentially reducing the time spent waiting for progress bars to finish.

  • The 24-core hybrid design uses performance cores for heavy compute tasks while efficiency cores manage the background noise of the operating system to keep your workflow uninterrupted.
  • Intel Deep Learning Boost serves as a hardware-level accelerator for local AI tasks, improving the speed of denoising filters and complex image processing.
  • The high power draw is a direct consequence of this performance ceiling, as the chip can pull well over 300W during heavy multi-core loads.
  • You must use a motherboard from the 600 or 700 series with high-quality power delivery to ensure the processor maintains its 6.2 GHz potential during long sessions.
  • A top-tier liquid cooling solution is a requirement because the heat density of 24 cores at these voltages will lead to thermal throttling without significant cooling capacity.

Thermal management is the defining factor in whether you can access the full potential of this silicon. The heat generated by the Raptor Lake-R architecture at these clock speeds is intense, and the chip will reach its thermal limits quickly if paired with an average air cooler. To get the most out of your $689 MSRP investment, the environment around the CPU must be as robust as the silicon itself. This is a professional-grade tool for users whose time is measured in output, offering the final performance peak for the LGA 1700 platform before the industry adopts newer, more efficiency-focused designs.

Intel Core Ultra 5 245K
Productivity Analysis:

While the gaming analysis highlights this chip as a steady coordinator, its role in a workstation is defined by the transition from virtual theater to physical execution. The Intel Core Ultra 5 245K utilizes a 14-core architecture that moves away from traditional threading behavior to prioritize direct processing power. Because each of the 14 threads corresponds to a physical core, the processor avoids the resource contention that sometimes occurs when a single pipeline tries to manage two virtual streams at once. This results in a system that feels particularly responsive during intense data compilation or high-volume photo exports, where the hardware simply grinds through the queue without the need for complex instruction juggling.

The operational experience of this silicon is rooted in several specific hardware realities.

  • The integrated Arc Xe-LPG graphics engine includes hardware acceleration that can help in supported creative applications. By offloading video encoding and decoding tasks to the internal graphics instead of the main processor cores, your system maintains a fluid feel while scrubbing through high-bitrate footage or complex project timelines.
  • The 6 Performance cores and 8 Efficiency cores allow the system to maintain responsiveness even when a heavy process is running in the background. You can initiate a long file compression or a complex render on the E-cores while the P-cores remain free to handle browser-based research or documentation without the interface feeling heavy or sluggish.
  • Interactive design work relies heavily on single-core burst speeds, and the 5.2 GHz boost clock ensures that tools in image editing or CAD software feel immediate. This high frequency allows the machine to react instantly to user input, providing a snappier experience in tasks that cannot be effectively split across dozens of slower cores.
  • With a 159W maximum turbo power limit, the chip manages its thermal output more effectively than its predecessors, but it still requires a serious cooling solution for sustained high-load scenarios. A high-end air tower or a capable liquid cooler is necessary to ensure the 3 nm architecture maintains its peak frequencies during hours of heavy calculation or creative production.

Investing in this platform is a choice for stability and future expansion. Using the LGA1851 socket means you are building on a fresh architecture that is designed for modern DDR5 memory and efficient power delivery. While it does not offer the same massive multi-threaded throughput as the flagship models, it provides ample muscle for professional workloads without the extreme cooling demands or energy requirements of top-tier enthusiast silicon. It is a capable tool for the professional who values a quiet, predictable machine that stays out of the way of the work itself.

Intel Core i9-14900KS
Feature Analysis:

Building with this hardware requires an absolute commitment to thermal management because the 150W base TDP is only a starting point for a chip that pushes these frequencies. You are dealing with the most aggressive version of the Raptor Lake-R architecture, which means the heat density within the silicon package is exceptionally high during heavy operation. Without a flagship-tier liquid cooling loop, the processor will frequently hit its thermal ceiling and pull back on those peak clock speeds. This is not a component for compact cases or restrictive airflow setups as the heat rejected into the local environment is substantial enough to impact every other part of the build.

The LGA 1700 platform reaches its definitive performance peak here, offering a final destination for users who started with earlier 12th or 13th Gen systems. While the industry is moving toward newer socket designs, this configuration provides the highest possible ceiling for existing high-end motherboards from the 600 or 700 series. The choice between memory types remains a factor, as the architecture supports both DDR4 and DDR5, though pairing such a powerful processor with anything less than high-speed DDR5 would create a significant throughput bottleneck. It is a specialized build path where the secondary components must be selected to withstand the strain of extreme voltage and heat.

  • The Integrated UHD Graphics 770 serves as a critical troubleshooting tool, allowing you to diagnose system issues or maintain display output if your primary graphics card is removed.
  • Dual memory support for DDR4 3200 and DDR5 5600 provides some flexibility for those migrating parts from older systems, even if the latter is required for peak performance.
  • The 36MB L3 cache is shared across the hybrid core layers, helping to maintain data flow between performance and efficiency cores during complex multitasking sessions.
  • High-quality motherboard VRMs are a necessity to ensure the power delivery remains stable when the 24-core die demands heavy current for sustained workloads.
  • This chip represents the final enthusiast-grade release for the 10 nm process on this specific socket, effectively maximizing the potential of the existing hardware mature ecosystem.

There is no more room for growth on this specific motherboard platform, which makes this an intentional choice to settle into a high-performance bracket for the long term. You are trading future upgradeability for the certainty of owning the fastest version of a mature architecture. Success with this assembly relies on the balance between raw power and the massive cooling infrastructure required to keep it stable. It is a build designed for those who want the prestige of flagship specifications and are willing to manage the logistical and thermal demands that come with the $689 MSRP territory.

Intel Core Ultra 5 245K
Feature Analysis:

The 125W base power rating suggests a chip that remains manageable under standard operation, though the 159W turbo limit means your cooling choice needs to be deliberate rather than an afterthought. This Arrow Lake architecture moves to a 3 nm process to help keep temperatures more predictable than previous generations, but you still need a substantial heat sink or a liquid loop to handle the spikes during heavy calculation. Because the physical design of the LGA1851 socket is specific to this new series, you will need to ensure your mounting hardware is compatible with the shift in heat distribution across the integrated heat spreader.

Building around this specific hardware configuration introduces several logistical considerations for the assembly process and long term maintenance.

  • The inclusion of Arc Xe-LPG graphics provides a crucial troubleshooting fallback that allows the system to remain functional for display output and basic tasks even if your dedicated graphics card is removed or fails.
  • Native support for DDR5 memory at 6400 MT/s speeds means the system is built for modern bandwidth standards, though it requires a motherboard from the Z890 or B860 series as older boards are physically incompatible.
  • The 3 nm manufacturing process helps the 14 cores operate with a level of thermal composure that was harder to achieve on older, larger nodes, which simplifies the task of maintaining a quiet workspace.
  • The 24 MB of shared L3 cache is baked into the silicon to provide a fast lane for data, reducing the frequency with which the processor must reach out to the slower system RAM for instructions.
  • While the LGA1851 socket represents a fresh start for the platform, the shift away from earlier mounting standards means checking for updated bracket support is a mandatory step before you begin the physical installation.

Standardizing on DDR5 and the 1851 socket ensures that the core of the machine is built on the most recent architectural standards available for this tier of hardware. Unlike older platforms that might be reaching the end of their technological life, this setup aligns with modern power delivery and data transfer protocols that will define the hardware landscape for the next several years. It is a calculated foundation for a build that prioritizes efficiency and a modern feature set without the extreme cooling demands of the highest wattage flagship silicon.

Intel Core i9-14900KS
Full Tech Specs:
Feature Specification
Name Intel Core i9-14900KS
MSRP $689
Release Date 2024-03-14
Socket Intel 1700
Cores 24
Threads 32
Base Clock 3.2 GHz
Boost Clock 6.2 GHz
L3 Cache 36 MB (shared)
Integrated Graphics UHD Graphics 770
TDP 150 W
Memory Support DDR4, DDR5
Memory Rated Speed 3200 MT/s (DDR4), 5600 MT/s (DDR5)
Memory Bandwidth Up to 89.6 GB/s
Chipsets Intel 600 Series, Intel 700 Series
Process Size 10 nm
Codename Raptor Lake-R
TJ Max 100°C
Intel Core Ultra 5 245K
Full Tech Specs:
Feature Specification
Name Intel Core Ultra 5 245K
MSRP $319
Release Date 2024-10-24
Socket Intel 1851
Cores 14
Threads 14
Base Clock 4.2 GHz
Boost Clock 5.2 GHz
L3 Cache 24 MB (shared)
Integrated Graphics Arc Xe-LPG Graphics 64EU
TDP 125 W
Memory Support DDR5
Memory Rated Speed 6400 MT/s
Memory Bandwidth 102.4 GB/s
Chipsets Z890, B860, W880, Q870, H810
Process Size 3 nm
Codename Arrow Lake-S
TJ Max 105°C

Final Verdict

Choosing the Intel Core Ultra 5 245K over the flagship Intel Core i9-14900KS represents a transition from raw, unbridled power toward architectural efficiency and platform longevity. The i9-14900KS is a sheer brute of a processor that pushes the limits of the LGA 1700 socket, but it acts as a final chapter for that generation. It demands significant investment in high-end cooling solutions and a heavy-duty power supply to manage its massive draw. In contrast, the Intel Core Ultra 5 245K introduces the LGA 1851 socket, which provides a fresh foundation for future hardware updates and supports faster memory standards that improve overall system responsiveness. While the i9-14900KS maintains a clear lead in heavy multi-threaded applications and enthusiast gaming, the Core Ultra 5 245K remains much faster than previous mid-range generations and handles modern workloads with far better efficiency. The massive gap between the $689 MSRP for the i9 and the $319 MSRP for the Ultra 5 makes the latter a much more logical starting point for most builders today. You are essentially trading away the absolute peak performance of an end-of-life platform for a balanced, cooler-running chip that will actually be upgradeable in a few years. Buy Intel Core i9-14900KS if you need absolute peak performance regardless of power or platform longevity. Buy Intel Core Ultra 5 245K if you want a modern, efficient platform with a clear upgrade path at a much lower price.

  • Platform Longevity: The i9-14900KS sits on the older LGA 1700 socket which has reached its limit, meaning any future CPU upgrade will require a brand new motherboard, whereas the Intel Core Ultra 5 245K uses the newer LGA 1851 interface.
  • Power Efficiency: Thermal management is much easier with the Intel Core Ultra 5 245K because it operates at lower power levels, while the i9-14900KS often requires 360mm or 420mm liquid coolers just to stay stable under load.
  • Memory and Latency: The Arrow Lake architecture in the Core Ultra 5 245K supports higher base memory speeds and modern bandwidth standards, closing the gap in real-world feel despite having fewer total threads than the flagship i9.

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