SYSTEM ANALYZER

Rate My PC: Intel Core i9-13900 + 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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89 Score

Top 11% Ranking

89 / 100

HIGH-END

Power Build

Top 11% of systems. Excellent for 1440p Ultra or 4K High gaming.

1440p Ultra4K High

System Balance Analysis

CPU vs GPU performance ratio

Well Balanced

CPU

95%

GPU

83%

PROCESSOR

Intel Core i9-13900

60,676 Benchmark Score

Top 5% 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

Strong Performance

Excellent for 1440p gaming. Most games will run at high/ultra settings smoothly.

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

CPU Analysis

The Intel Core i9-13900 is a 24-core, 32-thread desktop processor built on the Raptor Lake architecture and fabricated on Intel's 10 nm process. It belongs to the Core 13th Gen series, uses the Intel Socket 1700 platform, and features a base clock of 2000 MHz with a boost clock of 5.60 GHz. The thermal design power is 65 W, which is notably modest for a 24-core part, suggesting the processor is engineered for efficiency while still delivering high peak performance when needed.

The cache hierarchy is substantial: 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3 cache. This large cache pool helps feed the 24 cores during multi-threaded workloads, reducing memory latency and improving throughput in data-intensive tasks. The processor supports both DDR4 and DDR5 memory in a dual-channel configuration, and it includes ECC memory support, making it viable for workstation and server-adjacent use cases. PCIe Gen 5 is available with 16 CPU lanes, which supports the fastest current storage and expansion cards.

Benchmark scores place this CPU at the 92nd percentile among all CPUs, indicating top-tier performance. The Cinebench R23 multi-core score of 37931 is exceptionally high, driven by the 32 threads. Single-core performance is equally strong, with a Cinebench R23 single-core score of 5355 and a Geekbench single-core score of 2604. These numbers suggest the i9-13900 excels in both heavily threaded rendering tasks and lightly threaded applications that depend on high per-core clocks.

The PassMark suite reveals specific strengths. Integer math scores 176107, floating-point math scores 120492, and extended instructions score 32760. Data compression scores 577285, while data encryption scores 35242. These results indicate strong performance in compression, encryption, and scientific computing workloads. The multi-thread score of 45680 reflects the processor's ability to sustain heavy parallel loads. Physics simulation scores 2484, which relates to gaming and simulation workloads.

Comparing to nearest rivals, the i9-13900's average benchmark score is 60676, which is 0.2% ahead of the Intel Xeon Gold 6338T (60572), 1% ahead of the AMD Ryzen 7 8745HX (60104), 1% ahead of the AMD Ryzen 9 7945HX (60099), and 1.1% ahead of the Intel Core i9-14900F (60008). The deltas are small, indicating the i9-13900 sits at the top of a tightly packed performance cluster. In real workloads, the 24-core configuration with 32 threads provides a meaningful advantage in multi-threaded tasks such as video encoding, 3D rendering, and software compilation, while the high boost clock ensures snappy responsiveness in single-threaded applications.

Balance and Bottleneck

The pairing of an Intel Core i9-13900 with an AMD Radeon RX 6400 creates a pronounced imbalance. The CPU is at the 92nd percentile among all CPUs, while the GPU is at the 35th percentile among all GPUs. This gap indicates that the GPU will be the limiting factor in most graphics-intensive workloads, while the CPU will remain underutilized in those same scenarios.

The combined percentile for this pairing is 64, which reflects the overall system tier but does not capture the extreme disparity between components. In gaming at high resolutions or with high graphics settings, the RX 6400's performance ceiling will cap frame rates, leaving the i9-13900's multi-core power largely idle. The data shows that the CPU's PassMark multi-thread score of 45680 and Cinebench R23 multi-core score of 37931 vastly exceed what the GPU can drive in real-time graphics.

Conversely, in non-graphics workloads such as video encoding, 3D rendering, or data processing, the GPU plays a minimal role, and the CPU's full capability comes to the fore. The i9-13900's 32 threads and high clock speeds make it a formidable compute engine, and in these scenarios the GPU is not a bottleneck. The balance is therefore highly workload-dependent: CPU-bound tasks benefit fully from the processor, while GPU-bound tasks are constrained by the RX 6400.

The RX 6400's memory bandwidth of 128.0 GB/s and 4 GB of GDDR6 memory are modest by modern standards. In gaming, the 4 GB VRAM can be exhausted at higher resolutions or with high texture quality, causing performance drops. The data shows no measured FPS rows for this exact combination, so all frame rate discussions should be treated as estimates derived from benchmark scores. The PassMark G3D score of 7673 and 3DMark Steel Nomad DX12 score of 176 indicate entry-level graphics capability, which will limit the system to lower resolutions and reduced settings for a smooth experience.

Gaming Performance

The FACT PACK contains no measured FPS data for this exact CPU-GPU combination. The `measuredFpsUltraByGame` field is empty, and `dataIsMeasured` is false. All gaming performance figures discussed here are estimates based on the benchmark scores of the CPU and GPU individually, not direct measurements.

The RX 6400's benchmark scores suggest entry-level 1080p gaming capability. The PassMark G3D score of 7673 places the GPU at the 35th percentile, indicating it performs below the majority of discrete GPUs. The DirectX 11 score of 70 and DirectX 12 score of 30 from PassMark are low, suggesting limited performance in modern APIs. The 3DMark Steel Nomad DX12 score of 176 is also low, reinforcing the entry-level classification.

For esports titles and less demanding games, the RX 6400 should deliver playable frame rates at 1080p with medium to low settings. The 768 shading units and 32 ROPs, combined with a boost clock of 2321 MHz, provide adequate raw throughput for older or simpler games. However, for AAA titles at ultra settings, the 4 GB VRAM and 64-bit memory bus (128.0 GB/s bandwidth) will likely cause stuttering and low frame rates, especially at 1440p or higher.

The i9-13900's gaming potential is far ahead of what the RX 6400 can utilize. In CPU-bound scenarios, such as competitive shooters at low settings, the processor's high single-core performance (Cinebench R23 single-core score of 5355) ensures high frame rates — but the GPU will still limit the final output. The practical result is that gaming performance will be dictated almost entirely by the RX 6400, and the i9-13900's contribution will be minimal in most titles.

FAQ

Q: What is the CPU's core and thread count?

A: The Intel Core i9-13900 has 24 cores and 32 threads, with a base clock of 2000 MHz and a boost clock of 5.60 GHz.

Q: How does the CPU compare to its nearest rivals in benchmark scores?

A: The i9-13900 has an average benchmark score of 60676, which is 0.2% ahead of the Intel Xeon Gold 6338T, 1% ahead of the AMD Ryzen 7 8745HX, 1% ahead of the AMD Ryzen 9 7945HX, and 1.1% ahead of the Intel Core i9-14900F.

Q: What is the GPU's memory configuration?

A: The AMD Radeon RX 6400 has 4 GB of GDDR6 memory on a 64-bit bus, providing a bandwidth of 128.0 GB/s.

Q: What is the GPU's percentile ranking?

A: The RX 6400 is at the 35th percentile among all GPUs, with an average benchmark score of 6001.

Q: Does this system support ECC memory?

A: Yes, the Intel Core i9-13900 supports ECC memory, which is useful for workstation and reliability-focused builds.

Q: What is the combined percentile of this CPU-GPU pairing?

A: The combined percentile is 64, reflecting an overall mid-range system tier, though the CPU and GPU differ significantly in individual performance.

Q: Are there measured FPS figures for this combination?

A: No, the FACT PACK contains no measured FPS data for this exact CPU-GPU combination. All gaming performance figures are estimates based on benchmark scores.

Usage Scenarios

High-refresh gaming: This system is not suited for high-refresh gaming at modern settings. The RX 6400's performance (35th percentile, PassMark G3D score of 7673) will not sustain high frame rates in demanding titles, and the 4 GB VRAM is a limiting factor. At 1080p with low settings in esports titles, it may achieve passable frame rates, but the i9-13900's CPU power is wasted in this role.

Streaming: The i9-13900's 32 threads and strong multi-core scores (Cinebench R23 multi-core of 37931) can handle software encoding while gaming, but the RX 6400's low GPU performance means the gaming side will suffer. A more balanced GPU would be needed for a good streaming experience.

Video editing: The CPU's PassMark multi-thread score of 45680 and data compression score of 577285 make it excellent for video editing, where rendering and export tasks are CPU-intensive. The RX 6400 provides basic display output and hardware acceleration, but its role is secondary.

3D rendering: The i9-13900's Cinebench R15 multi-core score of 3823 and R20 multi-core score of 15931 indicate strong rendering performance. The GPU's compute score (PassMark GPU compute of 2812) is low, so GPU-accelerated rendering will be slow, but CPU-based rendering will be highly productive.

Software development: The 24 cores and 32 threads, combined with integer math score of 176107, make this CPU effective for compilation and build tasks. The RX 6400 is sufficient for basic display and light GPU compute, but developers using GPU-accelerated tools will find it lacking.

Student and office work: This system is overkill for typical office tasks. The i9-13900's single-core performance (Geekbench single-core of 2604) ensures smooth productivity, but the RX 6400 is more than adequate for document work and web browsing. The high CPU cost could be better allocated to a more balanced build, but the system functions well for demanding academic workloads.

GPU Analysis

The AMD Radeon RX 6400 is built on the Navi 24 chip using the RDNA 2.0 architecture, fabricated by TSMC on a 6 nm process. The die size is 107 mm² with 5,400 million transistors, giving a transistor density of 50.5 million per mm². This is a compact, efficient design intended for entry-level discrete graphics.

The GPU has 768 shading units, 48 texture mapping units, and 32 ROPs. It features 12 ray tracing cores, which enable hardware-accelerated ray tracing, though the overall compute throughput is limited. The FP32 performance is 3.565 TFLOPS, and FP16 performance is 7.130 TFLOPS (2:1 ratio). The pixel rate is 74.27 GPixel/s, and the texture rate is 111.4 GTexel/s.

Memory consists of 4 GB of GDDR6 on a 64-bit bus, with a bandwidth of 128.0 GB/s. The memory clock is 2000 MHz with 16 Gbps effective transfer rate. The base clock is 1923 MHz, boost clock is 2321 MHz, and game clock is 2039 MHz. Power consumption is a modest 53 W TDP, with no external power connectors required, and the suggested PSU is 250 W. The card is single-slot and uses a PCIe 4.0 x4 interface.

Benchmark scores reflect entry-level positioning. The PassMark G3D score is 7673, and the GPU compute score is 2812. Geekbench OpenCL scores 32011, while Vulkan scores 16372. DirectX 9 scores 93, DirectX 10 scores 54, DirectX 11 scores 70, and DirectX 12 scores 30. The 3DMark Steel Nomad DX12 score is 176. These figures place the GPU at the 35th percentile, with an average benchmark score of 6001.

Nearest rivals show the RX 6400 is essentially tied with the NVIDIA GeForce GTX 770M (avg score 6000, delta 0%), the NVIDIA RTX PRO 6000 Blackwell Server (5996, delta 0.1%), the AMD FirePro W4100 (5987, delta 0.2%), and the NVIDIA Quadro K4000M (5986, delta 0.3%). This cluster represents low-end performance, and the RX 6400's capabilities are therefore aligned with basic 1080p gaming and light compute, not high-end rendering.

Benchmark Performance

The CPU's average benchmark score is 60676, placing it at the 92nd percentile among all CPUs. Key scores include Cinebench R23 multi-core at 37931 and single-core at 5355, Geekbench multi-core at 21164 and single-core at 2604, and PassMark multi-thread at 45680. The CPU's nearest rival deltas are small (0.2% to 1.1% ahead), indicating it is at the top of its performance tier.

The GPU's average benchmark score is 6001, placing it at the 35th percentile among all GPUs. Key scores include PassMark G3D at 7673, Geekbench OpenCL at 32011, and 3DMark Steel Nomad DX12 at 176. The GPU's nearest rival deltas are essentially zero (0% to 0.3%), indicating it sits in a dense cluster of low-end graphics parts.

The combined picture is a system at the 64th percentile overall, but with extreme variance between components. The CPU is a top-tier performer, while the GPU is a low-tier performer. In CPU-bound tasks, the system performs at the 92nd percentile level. In GPU-bound tasks, it performs at the 35th percentile level. This makes the system's overall capability highly dependent on the workload, with no measured FPS data to provide a unified gaming metric.

Build Overview

This is a desktop build (buildClass: "desktop") pairing the Intel Core i9-13900, a 24-core 32-thread Raptor Lake processor, with the AMD Radeon RX 6400, an entry-level RDNA 2.0 GPU. The CPU is a high-end part at the 92nd percentile, while the GPU is a low-end part at the 35th percentile. The combined percentile is 64, indicating a mid-range overall tier, but this number obscures the significant mismatch.

The build is best characterized as a CPU-centric system with a placeholder GPU. The i9-13900 is capable of heavy multi-threaded workloads such as rendering, encoding, and compilation, and it has strong single-thread performance for general responsiveness. The RX 6400 provides basic graphics output and light gaming capability, but it will bottleneck any graphics-intensive application. The system's class is desktop, and its overall tier is mid-range, driven by the CPU's strength and the GPU's weakness.

Who Should Build It

This system is suited for users who prioritize CPU performance and do not require high-end graphics. Software developers compiling large codebases will benefit from the 32 threads and integer math score of 176107. Video editors and 3D artists using CPU-based rendering will see strong performance from the Cinebench R23 multi-core score of 37931. Students and office workers handling heavy data processing or simulations will find the CPU's capabilities useful, though the GPU is more than adequate for basic tasks.

Gamers at 1080p with low to medium settings in esports or older titles may find the RX 6400 acceptable, but those seeking high frame rates or playing modern AAA games at higher resolutions should look elsewhere. The 4 GB VRAM is a limiting factor for texture-heavy games. Small business workstations performing data analysis, encryption (PassMark data encryption score of 35242), or compression (577285) will benefit from the CPU, while the GPU handles display output without issue.

Upgrade Path and Platform

The platform is built on Intel Socket 1700, supporting DDR4 and DDR5 memory in a dual-channel configuration. The CPU provides PCIe Gen 5 with 16 lanes, which is future-proof for fast storage and expansion. The CPU's TDP is 65 W, and the GPU's TDP is 53 W, with a suggested PSU of 250 W, leaving ample headroom for upgrades.

The most sensible next upgrade is the GPU. The RX 6400's 35th percentile performance is the system's primary bottleneck in graphics workloads. A higher-end GPU would balance the system and allow the i9-13900's CPU capabilities to be fully utilized in gaming and GPU-accelerated tasks. The PCIe 4.0 x4 interface of the RX 6400 is also a limiting factor; a GPU with a wider interface would improve performance.

Memory is another upgrade path. The CPU supports both DDR4 and DDR5, so users can choose the appropriate type for their motherboard. Upgrading to faster or higher-capacity memory would benefit memory-sensitive workloads, given the dual-channel configuration. The socket, Intel Socket 1700, supports other 13th Gen processors, so users could potentially upgrade the CPU within the same generation, though the i9-13900 is already near the top of that range. The platform's PCIe Gen 5 support ensures compatibility with the fastest current SSDs and future graphics cards.

Rate My PC: Intel Core i9-13900 + AMD Radeon RX 6400

Power Build

System Balance Analysis

Intel Core i9-13900

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

Strong Performance

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

CPU Analysis

Balance and Bottleneck

Gaming Performance

FAQ

Usage Scenarios

GPU Analysis

Benchmark Performance

Build Overview

Who Should Build It

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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