SYSTEM ANALYZER

Rate My PC: Intel Core i9-14900KF + AMD Radeon RX 6400

Get a comprehensive performance analysis of your gaming rig with detailed benchmarks, bottleneck detection, and upgrade recommendations

Build Configuration

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PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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90 Score

Top 10% Ranking

90 / 100

ULTIMATE READY

Apex Performer

Top 10% of systems. Capable of 4K Ultra gaming and advanced rendering.

4K 60+ FPSVR ReadyRay Tracing

System Balance Analysis

CPU vs GPU performance ratio

Well Balanced

CPU

97%

GPU

83%

PROCESSOR

Intel Core i9-14900KF

79,371 Benchmark Score

Top 3% Market Ranking

View Full Specs →

GRAPHICS CARD

AMD Radeon RX 6400

6,001 Benchmark Score

Top 17% Market Ranking

View Full Specs →

Market Position

How your build compares to others

Budget

0-30

Mid-Range

30-60

High-End

60-85

Enthusiast

85-100

Your Build

Game Performance Benchmarks

Real-world 4K FPS in popular titles

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Performance Insights

Tips to maximize your system

Optimal Performance

Your system is in the top tier. You can run any modern game at maximum settings.

4K Gaming Ready

Consider a 4K 144Hz monitor to fully utilize your hardware capabilities.

Compatible Games See what you can play Compare CPUs Find upgrades Compare GPUs Find upgrades

Performance Tiers Explained

90-100

Ultimate

4K Ultra gaming, VR ready, ray tracing enabled, professional workloads

4K 60+ FPS VR Ready

70-89

High-End

1440p Ultra or 4K High settings, excellent for modern AAA titles

1440p Ultra 4K High

50-69

Mid-Range

1080p Ultra or 1440p Medium, great value for most gamers

1080p Ultra 1440p Med

30-49

Entry Level

1080p Medium settings, suitable for eSports and older titles

1080p Med eSports

0-29

Legacy

Basic gaming, older titles, consider upgrading for modern games

720p-1080p Low Older Games

Benchmark results for the Intel Core i9-14900KF and AMD Radeon RX 6400 describe a desktop pairing of extremes. The CPU reaches the 95th percentile among all CPUs with an average benchmark score of 79,371, while the RX 6400 sits at the 35th GPU percentile with an average score of 6,001. The combined percentile is 65. This data set contains no measured FPS rows for the exact combination, so all game-performance statements in this analysis are estimates drawn from the recorded CPU and GPU benchmark scores.

FAQ

Q: What kind of CPU is in this build?

A: The Intel Core i9-14900KF is a 14th-generation Raptor Lake desktop processor. It has 24 cores, 32 threads, a base clock of 3.20, a boost clock of 6.00, and a TDP of 125. It uses Intel Socket 1700 and is built on Intel’s 10 nm process with a die size of 257 mm².

Q: Where does this CPU rank among all CPUs?

A: The i9-14900KF is in the 95th percentile of all CPUs, with an average benchmark score of 79,371. It is 0.3% ahead of the Core i9-14900K, 0.3% behind the Core Ultra 9 290HX Plus, 0.8% behind the AMD EPYC 7413, and 1.6% behind the Intel Xeon w5-2565X.

Q: What is the AMD Radeon RX 6400?

A: The RX 6400 is a Radeon RX 6000 series GPU based on RDNA 2.0 and the Navi 24 chip. It has 4 GB of GDDR6 memory on a 64-bit bus, with 128.0 GB/s memory bandwidth and a boost clock of 2321 MHz. Its average benchmark score is 6,001, placing it in the 35th percentile of all GPUs.

Q: Are there measured FPS results for this exact CPU plus GPU combination?

A: No. The measuredFpsUltraByGame object is empty, dataIsMeasured is false, and no pair rank by FPS is recorded. Any FPS discussion in this analysis is therefore an estimate based on benchmark scores rather than a measured game result.

Q: What memory and ECC support does the platform have?

A: The i9-14900KF supports DDR4 and DDR5 memory in a dual-channel configuration. ECC memory support is listed as true, which makes the platform relevant for reliability-oriented work.

Q: What are the closest GPU rivals to the RX 6400?

A: The RX 6400’s average benchmark score of 6,001 is equal to the NVIDIA GeForce GTX 770M (6,000, delta 0), 0.1% ahead of the NVIDIA RTX PRO 6000 Blackwell Server (5,996), 0.2% ahead of the AMD FirePro W4100, and 0.3% ahead of the NVIDIA Quadro K4000M.

Q: How does the CPU connect to graphics hardware?

A: The CPU provides PCIe Gen 5 with 16 lanes on the CPU side, while the RX 6400 uses a PCIe 4.0 x4 bus interface. The graphics card also has 1x HDMI 2.1 and 1x DisplayPort 1.4a display outputs.

Usage Scenarios

For high-refresh gaming, the CPU brings strong single-thread performance: Cinebench R23 single-core is 6,969 and PassMark single-thread is 4,685. However, the RX 6400 sits at the 35th GPU percentile with 4 GB of VRAM, so very high refresh rates in demanding titles will be limited by the graphics card. The estimated result is smoother performance in lighter games, not sustained high-refresh output in heavy titles.

Streaming is better served by the CPU than the GPU. With 24 cores and 32 threads, plus a Cinebench R23 multicore score of 49,370 and a PassMark multithread score of 58,405, the CPU has substantial headroom for encoding, capture, and game logic running at the same time.

Video editing benefits from the CPU’s multicore throughput. Cinebench R23 multicore at 49,370, Geekbench multicore at 23,789, and PassMark floating-point math at 151,918 all point to fast export and effect processing. The GPU’s OpenCL score of 32,011 can assist GPU-accelerated effects, but the 4 GB frame buffer limits how much large preview data can be held on the graphics card.

3D rendering is a mixed picture. CPU rendering can exploit the 32 threads and high integer and floating-point math scores. GPU rendering is constrained by the RX 6400’s 3.565 TFLOPS FP32 throughput and 12 RT cores, and the 4 GB frame buffer limits scene complexity.

Software development workloads map well to this CPU. PassMark data compression is 785,831, random string sorting is 86,564, and integer math is 209,125. Parallel compilation can use the 32 threads to reduce build times, while the strong single-core result keeps interactive tooling responsive.

Student and office work does not need this much CPU power, but the CPU has no integrated graphics, so the RX 6400 is required for display output. The GPU’s 1x HDMI 2.1 and 1x DisplayPort 1.4a outputs support standard display connections, and the CPU’s high single-thread scores keep applications responsive.

CPU Analysis

The Core i9-14900KF is a high-core-count desktop processor with 24 cores and 32 threads. Its base clock is 3.20 and its boost clock is 6.00, giving it a wide operating range. It belongs to the Raptor Lake generation and is manufactured on Intel’s 10 nm process. The die measures 257 mm², and the cache stack includes 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3 cache.

The memory controller supports DDR4 and DDR5 in a dual-channel layout, and ECC memory support is listed as true. That combination is noteworthy because this is primarily a desktop part, yet it can be used in memory-sensitive workstation settings. The CPU also provides PCIe Gen 5 with 16 lanes on the CPU side, which gives the platform modern interconnect capability.

The benchmark data shows clear multi-core strength. Cinebench R23 multicore is 49,370, while single-core is 6,969. Geekbench multicore is 23,789, and single-core is 2,727. PassMark multithread is 58,405, while PassMark single-thread is 4,685. These results are consistent with a processor designed to excel at heavily parallel tasks while still delivering very high single-thread performance.

With an average benchmark score of 79,371, the CPU sits in the 95th percentile of all CPUs. Its nearest rivals are all within a narrow range: the Core Ultra 9 290HX Plus averages 79,574 with a delta of -0.3, the Core i9-14900K averages 79,097 with a delta of 0.3, the AMD EPYC 7413 averages 80,041 with a delta of -0.8, and the Intel Xeon w5-2565X averages 80,671 with a delta of -1.6. The 14900KF therefore sits in the same performance bracket as multiple server and workstation processors.

Balance and Bottleneck

The defining balance issue is the gap between the CPU’s 95th percentile and the GPU’s 35th percentile. The CPU is a top-tier processor, while the GPU is a low-to-mid-tier graphics card. For CPU-bound workloads, the 14900KF has no shortage of throughput. For graphics-bound workloads, the RX 6400 will be the component that limits final output.

The benchmark scores reinforce this. The CPU’s Cinebench R23 multicore result of 49,370 and PassMark multithread result of 58,405 show enormous computational headroom. The GPU’s PassMark G3D score is 7,673, its 3DMark Steel Nomad DX12 score is 176, and its PassMark DirectX 12 score is 30. Those numbers indicate that the GPU cannot convert the CPU’s compute headroom into high frame rates at ultra settings.

FPS scaling cannot be measured from this data because measuredFpsUltraByGame is empty. The estimated scaling, however, is clear: in gaming, frame rates will scale primarily with the GPU. Upgrading the GPU would produce a much larger change in graphics-bound performance than changing the CPU.

The platform-level balance also matters. The CPU side has PCIe Gen 5 with 16 lanes, while the GPU uses a PCIe 4.0 x4 interface. That means the graphics card is connected through a narrower bus than the CPU can provide, which is appropriate for a GPU of this class but leaves the CPU’s full lane bandwidth unused.

Benchmark Performance

The CPU’s average benchmark score is 79,371, placing it in the 95th percentile of all CPUs. The GPU’s average benchmark score is 6,001, placing it in the 35th percentile of all GPUs. The combined percentile for this specific build is 65.

In Cinebench R15, the CPU scores 4,976 multicore and 702 single-core. In Cinebench R20, it scores 20,735 multicore and 2,926 single-core. In Cinebench R23, it scores 49,370 multicore and 6,969 single-core. Geekbench scores are 23,789 multicore and 2,727 single-core. PassMark multithread is 58,405, PassMark single-thread is 4,685, integer math is 209,125, and floating-point math is 151,918.

The GPU’s benchmark profile is much lower. 3DMark Steel Nomad DX12 is 176, Geekbench OpenCL is 32,011, Geekbench Vulkan is 16,372, PassMark G3D is 7,673, PassMark G2D is 722, and PassMark GPU compute is 2,812. These scores place the GPU near older or lower-tier parts, with nearest rivals like the GTX 770M, RTX PRO 6000 Blackwell Server, FirePro W4100, and Quadro K4000M all within 0.3% of its average score.

The combined picture is a CPU-forward system. The CPU carries the system’s percentile rank upward, while the GPU holds it back from the top tier. The recorded combined percentile of 65 reflects that tension.

Who Should Build It

This build is for users who need 32 threads for CPU-heavy work but do not need high-end graphics. CPU rendering, large code compilation, data compression, encryption, and multitasking workloads can all benefit from a 95th-percentile CPU while being less sensitive to the GPU’s 35th-percentile position.

Content creators who render primarily on the CPU are a natural fit. The Cinebench R23 multicore score of 49,370 and PassMark multithread score of 58,405 provide strong CPU rendering throughput. Video editors who can work within a 4 GB GPU frame buffer will get fast export performance from the CPU, with OpenCL acceleration available from the GPU.

Developers working with large codebases can use the 32 threads for parallel builds. PassMark integer math of 209,125 and data compression of 785,831 support compilation and packaging workloads. Students and office users will find the system more powerful than needed, but they benefit from the RX 6400 providing display output because the 14900KF has no integrated graphics.

Small business workstations running batch data processing, financial calculations, or other multi-threaded jobs can use the CPU’s ECC memory support and high multicore scores. The GPU is sufficient for desktop composition and standard display output, while the CPU handles the compute-heavy portion of the workload.

Gaming Performance

There are no measured FPS rows for this exact CPU and GPU combination. The measuredFpsUltraByGame object is empty and dataIsMeasured is false. All frame-rate expectations in this section are therefore estimates from the benchmark scores, not observed results.

At ultra settings, the RX 6400’s 35th GPU percentile and 4 GB frame buffer strongly limit texture and geometry headroom. The GPU’s PassMark G3D score of 7,673 and 3DMark Steel Nomad DX12 score of 176 point to modest modern-DirectX throughput. The CPU’s boost clock of 6.00 and high single-thread scores suggest it will not be the main limit in most games.

Lighter titles should be more playable than demanding single-player releases, because the CPU can feed frames quickly while the GPU handles less complex rendering. High-refresh gaming in such titles is plausible, but sustained high refresh in graphically demanding ultra-settings games is not likely. The absence of measured FPS data means these statements remain qualitative estimates.

Build Overview

This is a desktop build combining the Intel Core i9-14900KF with the AMD Radeon RX 6400. The CPU is an active desktop part with a launch MSRP of $564. The GPU is an end-of-life desktop part with a launch MSRP of 159 USD. The CPU’s 95th percentile and the GPU’s 35th percentile produce a combined percentile of 65.

The build is best described as a CPU-forward desktop system with entry-level graphics. It belongs to the desktop class and sits in the upper-middle range of all builds according to the combined percentile. The CPU is among the fastest recorded processors, while the GPU is near the middle-to-lower portion of the GPU distribution.

This asymmetric pairing makes sense for workloads where CPU throughput is the priority. For general consumer use and gaming, the GPU will be the noticeable weak point. For CPU rendering, compilation, data processing, and multitasking, the system is far stronger than its graphics position suggests.

Upgrade Path and Platform

The platform is built around Intel Socket 1700. The CPU supports DDR4 and DDR5 memory in dual-channel mode, and ECC memory support is true. This gives the platform flexibility in memory selection, depending on motherboard and workload requirements.

The CPU provides PCIe Gen 5 with 16 lanes on the CPU side. The RX 6400 uses a PCIe 4.0 x4 interface, so the current graphics card does not use the full CPU lane bandwidth. The CPU’s TDP is 125, while the GPU’s TDP is 53, and the GPU’s suggested PSU is 250 W. The GPU is single-slot and has no power connectors, so the graphics side is intentionally low-power.

The sensible next upgrade is a stronger GPU. The CPU’s 95th percentile performance leaves substantial headroom for a faster graphics card, and the CPU-side PCIe Gen 5 lanes can support higher-bandwidth graphics hardware. A GPU with more VRAM and higher benchmark scores would raise the combined percentile closer to the CPU’s level. Memory and storage upgrades can follow, but the CPU should not be the first component changed.

GPU Analysis

The AMD Radeon RX 6400 is built on RDNA 2.0 using the Navi 24 chip. It is manufactured on TSMC’s 6 nm process with 5,400 million transistors and a die size of 107 mm². The base clock is 1923 MHz, the boost clock is 2321 MHz, and the game clock is 2039 MHz.

The memory subsystem is modest. The card has 4 GB of GDDR6 on a 64-bit bus, delivering 128.0 GB/s of bandwidth. The GPU contains 768 shading units, 48 texture mapping units, 32 ROPs, and 12 ray tracing cores. It outputs 74.27 GPixel/s pixel rate and 111.4 GTexel/s texture rate. FP32 throughput is 3.565 TFLOPS, while FP16 throughput is 7.130 TFLOPS.

The GPU’s average benchmark score of 6,001 places it in the 35th percentile of all GPUs. It is statistically even with the GTX 770M, 0.1% ahead of the RTX PRO 6000 Blackwell Server, 0.2% ahead of the FirePro W4100, and 0.3% ahead of the Quadro K4000M. PassMark G3D is 7,673, PassMark GPU compute is 2,812, and 3DMark Steel Nomad is 176.

For rendering, the 4 GB frame buffer and 128.0 GB/s bandwidth limit large textures and complex scenes. The 12 RT cores provide ray tracing capability, but the overall GPU position is low, so ray-traced workloads will be heavily constrained. The GPU supports DirectX 12 Ultimate, Vulkan 1.4, and OpenGL 4.6, so API compatibility is modern even though performance is not top-tier.

Rate My PC: Intel Core i9-14900KF + AMD Radeon RX 6400

Apex Performer

System Balance Analysis

Intel Core i9-14900KF

AMD Radeon RX 6400

Market Position

Game Performance Benchmarks

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

Performance Insights

Optimal Performance

4K Gaming Ready

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

FAQ

Usage Scenarios

CPU Analysis

Balance and Bottleneck

Benchmark Performance

Who Should Build It

Gaming Performance

Build Overview

Upgrade Path and Platform

GPU Analysis

4K Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1440p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1080p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

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