SYSTEM ANALYZER

Rate My PC: Intel Core i9-14900K + 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 i9-14900K

79,097 Benchmark Score

Top 3% Market Ranking

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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

The Intel Core i9-14900K paired with the AMD Radeon RX 6400 is one of the most lopsided combinations in the benchmark database: a 95th-percentile desktop CPU bolted to a 35th-percentile graphics card. The data shows a flagship Raptor Lake Refresh processor with 24 cores and a 6.00 GHz boost clock feeding a single-slot, 53 W entry-level GPU. The result is a combined percentile of 65, dragged upward by the CPU and held down almost entirely by the graphics side. Notably, no measured FPS rows exist for this exact combination in the database — all frame-rate discussion below is estimated from the benchmark scores, not measured gameplay.

CPU Analysis

The Core i9-14900K is a 24-core, 32-thread desktop processor built on Intel's 10 nm process, using the Raptor Lake architecture under the codename Raptor Lake-R. It is the top-tier Core i9 of the 14th Gen series, with a base clock of 3.20 GHz and a boost clock of 6.00 GHz — the highest boost figure in this chip's generation class in the FACT PACK. The hybrid design is backed by a substantial cache hierarchy: 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3 cache. The die measures 257 mm², fabricated at Intel's own foundry.

Benchmark results indicate elite throughput. The Cinebench R23 multi-core score of 39399.5 sits at the flagship tier, and the single-core score of 2262.5 confirms that the 6.00 GHz boost translates into genuine per-thread leadership. The R20 results — 20793 multi-core and 2935 single-core — and the R15 results of 6103 and 324.5 show the same pattern across three generations of the same test. Geekbench posts 21697 multi-core and 2655 single-core.

PassMark adds breadth. The multithread score of 58674 and single-thread score of 4697 both reflect top-tier placement, while the subtests describe where that performance lands: 210622 on integer math, 152975 on floating point math, 792694 on data compression, 46813 on encryption, 86971 on string sorting, 45154 on extended instructions, 231 on prime finding, and 3140 on physics. In practical terms, this is a CPU that chews through compilation, code compilation of large projects, video encoding, archiving, and simulation workloads without breaking stride.

The percentileVsAllCpus field places it at the 95th percentile against all CPUs in the database. Its average benchmark score of 79097 is essentially tied with its nearest rivals: the i9-14900KF scores 79371 (a 0.3% delta), the Core Ultra 9 290HX Plus scores 79574 (0.6% ahead), and the AMD EPYC 7413 scores 80041 (1.2% ahead). The Ryzen AI Max+ 395 trails at 77740, 1.7% behind. The takeaway: this is a CPU that competes with enthusiast desktop flagships and a server EPYC part, and wins on single-thread by a wide structural margin thanks to the 6.00 GHz boost. It is unlocked (multiplierUnlocked: true) for overclocking, supports ECC memory, and runs on Socket 1700 with both DDR4 and DDR5 support on a dual-channel bus.

GPU Analysis

The Radeon RX 6400 is the opposite story. It is a Navi 24 chip on the RDNA 2.0 architecture, fabricated by TSMC on a 6 nm process, with 5,400 million transistors packed into a 107 mm² die — a density of 50.5M per mm². It carries 768 shading units, 48 TMUs, 32 ROPs, and 12 RT cores. Clocks are respectable for the class: 1923 MHz base, 2039 MHz game, and 2321 MHz boost. The FP32 throughput is 3.565 TFLOPS, with FP16 at 7.130 TFLOPS in a 2:1 configuration; there are no tensor cores, so AI-assisted workloads get no hardware acceleration.

The defining constraint is memory. The card ships with 4 GB of GDDR6 on a 64-bit bus, delivering 128.0 GB/s of bandwidth at 16 Gbps effective (2000 MHz memory clock). Four gigabytes of VRAM is the hard ceiling for modern rendering, and the narrow bus limits texture throughput at higher resolutions. Pixel rate is 74.27 GPixel/s and texture rate is 111.4 GTexel/s — figures that describe a card built for 1080p-class output, not high-resolution rendering.

The benchmark scores confirm entry-level placement. The PassMark G3D score of 7673 and average benchmark score of 6001 put the card at the 35th percentile against all GPUs. The 3DMark Steel Nomad DX12 score of 176 is very low in absolute terms and flags a serious limitation in modern DirectX 12 rendering — consistent with the PassMark DirectX 12 score of 30, which is the weakest of its DirectX results (DirectX 9: 93, DirectX 10: 54, DirectX 11: 70). Geekbench OpenCL returns 32011 and Vulkan 16372, while the GPU compute score is 2812 and G2D is 722. The nearest-rivals list — GTX 770M at 6000, RTX PRO 6000 Blackwell Server at 5996, FirePro W4100 at 5987, and Quadro K4000M at 5986, all within 0.3% — describes a card that clusters with much older hardware by average score. For rendering, this means legacy APIs and lighter modern titles are workable, but demanding DX12 workloads and ray tracing (12 RT cores only) are not its territory.

FAQ

Q: How powerful is the Core i9-14900K compared to other CPUs?

A: It sits at the 95th percentile versus all CPUs with an average benchmark score of 79097, statistically tied with the i9-14900KF (0.3% delta) and within roughly 1% of the Core Ultra 9 290HX Plus and AMD EPYC 7413.

Q: Is the RX 6400 good for gaming?

A: Only for lighter titles. Its 35th percentile GPU ranking, 7673 PassMark G3D score, and especially the DirectX 12 score of 30 indicate entry-level performance best suited to older or less demanding games at modest settings.

Q: How much VRAM does the RX 6400 have, and does it matter?

A: 4 GB of GDDR6 on a 64-bit bus with 128.0 GB/s bandwidth. That capacity is the primary limit for modern games and 3D rendering at higher resolutions and texture settings.

Q: What power supply does this build need?

A: The RX 6400 itself requires no power connectors and has a 53 W TDP, with a suggested PSU of 250 W for the card. The CPU's rated TDP is 125 W, so total system demands are modest by flagship-CPU standards, though PSUs are typically sized above component minimums.

Q: Does this build have measured game FPS data?

A: No. The database contains no measured FPS rows for this CPU and GPU combination, so all frame-rate expectations here are estimates derived from the benchmark scores.

Q: Can the RX 6400 do ray tracing?

A: It has 12 RT cores and supports DirectX 12 Ultimate, so hardware ray tracing is present, but the small core count and 3.565 TFLOPS of FP32 throughput mean RT workloads are largely impractical in games.

Q: What memory does the platform support?

A: The i9-14900K supports both DDR4 and DDR5 on a dual-channel bus, including ECC memory, on Intel Socket 1700.

Usage Scenarios

High-refresh gaming is not this build's strength at the GPU level. The i9-14900K's PassMark single-thread score of 4697 and physics score of 3140 provide more than enough CPU-side headroom for very high frame rates, but the RX 6400's 35th-percentile ranking caps achievable FPS well below what the CPU could otherwise feed. Estimated frame rates in esports-class titles are playable; AAA titles at high settings are not realistic.

Streaming is CPU-viable but GPU-constrained. The 32 threads and Cinebench R23 multi-core score of 39399.5 handle encoding and scene composition easily, and the integrated UHD Graphics 770 could even shoulder display output. The RX 6400's 2812 GPU compute score and 4 GB VRAM, however, mean GPU-bound games will already be running at reduced frame rates before any streaming overhead is considered.

Video editing is a strong CPU story. The multi-core scaling shown by 39399.5 in R23 and 58674 in PassMark multithread makes timeline scrubbing, proxy generation, and export fast. The caveat is the GPU: 4 GB of VRAM and 128.0 GB/s of bandwidth limit GPU-accelerated effects and playback of high-resolution footage.

3D rendering leans almost entirely on the CPU. Viewport work in lighter scenes is workable given the 32 ROPs and DirectX 12 Ultimate support, but final-quality rendering and ray-traced previews exceed what 12 RT cores and 3.565 TFLOPS deliver. CPU-based rendering via those 24 cores is the realistic path.

Software development is arguably this build's best-fit scenario. A Geekbench multi-core score of 21697, PassMark integer math of 210622, and string sorting of 86971 describe fast compilation and tooling. Compile times here rival far more expensive workstation configurations.

Student and office work is fully covered — the CPU is massively overqualified, and the RX 6400's single-slot, no-power-connector design with one HDMI 2.1 and one DisplayPort 1.4a output handles multi-monitor productivity without issue. The card is listed as end-of-life, which matters for availability of new units.

Benchmark Performance

Pulling the numbers together: the CPU posts 6103 / 324.5 in Cinebench R15 (multi/single), 20793 / 2935 in R20, 39399.5 / 2262.5 in R23, 21697 / 2655 in Geekbench, and a full PassMark suite led by 58674 multithread and 4697 single-thread. Average benchmark score: 79097, 95th percentile.

The GPU posts 176 in 3DMark Steel Nomad DX12, 32011 OpenCL, 16372 Vulkan, 7673 PassMark G3D, 2812 GPU compute, and DirectX scores of 93/54/70/30 for versions 9/10/11/12. Average benchmark score: 6001, 35th percentile.

The combined percentile of 65 is a mathematical compromise between two components operating sixty percentile points apart. In practice, almost every interactive workload lands at the GPU's level, while almost every compute workload lands at the CPU's. The Steel Nomad score of 176 against a DirectX 12 PassMark score of 30 — the lowest of its API results — is the clearest signal that modern rendering APIs are this system's weak point.

Gaming Performance

As noted, no measured FPS data exists for this pairing in the database; everything in this section is estimated from the benchmark scores. The RX 6400's 7673 G3D score and 35th-percentile placement suggest playable frame rates in older or lighter titles at 1080p with reduced settings, with the DirectX 9 score of 93 supporting decent legacy-game performance. Modern DirectX 12 titles are the problem case: a PassMark DX12 score of 30 and Steel Nomad result of 176 point to frame rates well below smooth-play thresholds at 1080p ultra, with the 4 GB VRAM buffer becoming the binding constraint as texture quality and resolution rise. The 128.0 GB/s memory bandwidth makes 1440p and 4K gaming unrealistic. The CPU contributes nothing to the limitation — a 3140 physics score and 4697 single-thread score mean the processor will be nearly idle waiting on the GPU in nearly every game. These are estimates, not measurements.

Who Should Build It

Frankly, few people should build this exact pairing, and the data explains why. The i9-14900K is a 95th-percentile flagship aimed at enthusiasts, developers, and content creators who need 24 cores and 32 threads — its launch MSRP was $589, and it competes within about 1% of the i9-14900KF and Core Ultra 9 290HX Plus. The RX 6400, with a launch MSRP of $159, serves a completely different audience: compact single-slot systems, display output, and light 1080p gaming.

Realistic users of this configuration are those who bought the CPU for compute-heavy work — software development, CPU rendering, data processing — and added a minimal GPU purely to drive displays, perhaps in a small-form-factor or low-power chassis where the card's 53 W TDP, single-slot width, and lack of power connectors matter. Gamers at any resolution should look elsewhere for the GPU. Content creators doing GPU-accelerated editing will hit the 4 GB VRAM wall. Students, office users, and small-business workstation builders who need ECC-capable flagship compute with modest graphics fit the profile.

Build Overview

This is a desktop build (buildClass: desktop) pairing Intel's top 14th Gen Raptor Lake Refresh flagship with an entry-level, now end-of-life RDNA 2 card. The overall tier, expressed by the combined percentile of 65, is a mid-tier aggregate concealing an extreme internal split: 95th percentile on the CPU side, 35th on the GPU side. The platform itself is modern — Socket 1700, DDR4/DDR5 support, PCIe Gen 5 with 16 CPU lanes — but the card connects over PCIe 4.0 x4, a narrow interface that further limits it. It is a flagship-compute platform with a display adapter attached.

Balance and Bottleneck

The bottleneck is unambiguous: the GPU. Every piece of evidence points the same way. The percentile gap (95 versus 35), the DirectX 12 score of 30 against a CPU single-thread score of 4697, and the Steel Nomad score of 176 all indicate that any graphically intensive workload will be GPU-limited long before the 24 cores are engaged. Adding more CPU-side performance would change nothing in games; the i9-14900K already exceeds what the RX 6400 can consume.

Conversely, the CPU is never the limiter. Cinebench R23 multi-core of 39399.5 and a PassMark multithread of 58674 mean rendering, encoding, and compilation tasks scale with the processor, and in those workloads the RX 6400 simply sits idle. The 4 GB of VRAM and 64-bit bus are the specific GPU-side constraints: any workload whose working set exceeds 4 GB — high-texture games, GPU rendering scenes, high-resolution video effects — will stall regardless of the card's compute scores. A balanced build would pair this CPU with a GPU many tiers higher; alternatively, this GPU belongs with a far cheaper processor.

Upgrade Path and Platform

The platform anchors on Intel Socket 1700 with DDR4 and DDR5 dual-channel memory support, ECC capability, and PCIe Gen 5 with 16 CPU lanes. The multiplier is unlocked, so the CPU itself offers tuning headroom, and the 125 W TDP rating suggests robust but manageable cooling demands appropriate to a flagship part.

The obvious upgrade target is the graphics card. The RX 6400 draws no power connectors at 53 W TDP against a 250 W suggested PSU figure for the card — with the CPU rated at 125 W, the PSU budget in most builds of this class leaves room for a substantially more capable GPU that draws auxiliary power, and doing so would directly attack the system's 35th-percentile weakness. Because the card occupies a single slot and connects via PCIe 4.0 x4, replacement is physically trivial; a newer card would also use more of the Gen 5 x16 CPU lanes currently underutilized. The card's end-of-life status further supports replacing rather than keeping it.

The CPU needs no upgrade path of its own — at the 95th percentile, within 0.3% of the i9-14900KF and ahead of the Ryzen AI Max+ 395 by 1.7%, it already sits at the practical top of the chart. Memory is the secondary consideration: DDR5 on the dual-channel bus is the forward-looking choice, and the Gen 5 lanes also remain available for fast storage. The sensible next step for this build is entirely one-sided: keep the processor, replace the GPU.

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

Apex Performer

System Balance Analysis

Intel Core i9-14900K

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

CPU Analysis

GPU Analysis

FAQ

Usage Scenarios

Benchmark Performance

Gaming Performance

Who Should Build It

Build Overview

Balance and Bottleneck

Upgrade Path and Platform

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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