SYSTEM ANALYZER

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

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

Build Configuration

Select your components

PROCESSOR (CPU)

▼

GRAPHICS CARD (GPU)

▼

81 Score

Top 19% Ranking

81 / 100

HIGH-END

Power Build

Top 19% of systems. Excellent for 1440p Ultra or 4K High gaming.

1440p Ultra4K High

System Balance Analysis

CPU vs GPU performance ratio

Well Balanced

CPU

79%

GPU

83%

PROCESSOR

Intel Core i9-13900E

8,676 Benchmark Score

Top 21% 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

View All Games →

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

The pairing of the Intel Core i9-13900E with the AMD Radeon RX 6400 is a study in extreme imbalance, where a 24-core desktop processor is tethered to an entry-level graphics card. The data shows a combined percentile of 50, placing this configuration exactly at the median of all systems, yet the individual components could not be further apart in their respective performance tiers. The CPU sits at the 65th percentile among all processors, while the GPU languishes at the 35th percentile among all graphics cards. This configuration is not a balanced gaming rig but rather a workstation-oriented CPU paired with a display adapter, a combination that will dominate compute-heavy tasks while struggling with modern graphics workloads. There are no measured FPS rows for this exact combination in the data; all performance discussions regarding frame rates are estimates derived from the synthetic benchmark scores of the individual components.

GPU Analysis — VRAM, bandwidth, clocks, RT/tensor hardware, what the benchmark scores mean for rendering

The AMD Radeon RX 6400 is built on the RDNA 2.0 architecture, utilizing the Navi 24 chip manufactured on a 6 nm process by TSMC. The GPU operates with a base clock of 1923 MHz, a game clock of 2039 MHz, and a boost clock of 2321 MHz. The memory subsystem is notably constrained: 4 GB of GDDR6 memory on a 64-bit bus, yielding a bandwidth of 128.0 GB/s. This is a fundamental limitation for modern rendering, as the 4 GB frame buffer is insufficient for high-resolution textures or complex scenes. The 64-bit memory bus, while efficient for the architecture, severely limits data throughput compared to wider implementations.

In terms of compute resources, the RX 6400 has 768 shading units, 48 texture mapping units, and 32 raster operation pipelines. The pixel rate is 74.27 GPixel/s, and the texture rate is 111.4 GTexel/s. The GPU delivers 3.565 TFLOPS of FP32 performance and 7.130 TFLOPS of FP16 performance at a 2:1 ratio. The inclusion of 12 ray accelerators provides some hardware support for ray tracing, but given the modest compute throughput, ray-traced workloads will be exceptionally demanding. There are no tensor cores present, as this is not an AI-focused architecture. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, ensuring API compatibility with modern titles.

The benchmark scores reflect the GPU’s entry-level positioning. In 3DMark Steel Nomad DX12, the RX 6400 scores 176. The Geekbench OpenCL score is 32011, while the Vulkan score is 16372. PassMark results show a G3D score of 7673, with DirectX 11 scoring 70, DirectX 12 scoring 30, and DirectX 9 scoring 93. The older DirectX 9 score being higher than the DirectX 12 score is telling; it indicates that the hardware handles legacy workloads better than modern, more complex rendering pipelines. The GPU’s average benchmark score is 6001, placing it at the 35th percentile. Its nearest rival is the NVIDIA GeForce GTX 770M, which has an identical average score of 6000. The data shows the RX 6400 is effectively a modern equivalent of a mobile GPU from several generations ago.

Rendering performance is therefore limited by both the small VRAM pool and the narrow memory bus. The pixel rate of 74.27 GPixel/s suggests the GPU can handle basic rasterization at lower resolutions, but the 128.0 GB/s bandwidth will become a bottleneck in texture-heavy scenes. For any serious 3D rendering, the 4 GB VRAM will force the use of reduced texture quality or lower resolutions. The 12 ray accelerators do provide ray tracing capability, but the overall FP32 throughput of 3.565 TFLOPS means that enabling ray tracing will result in significant performance degradation. The GPU is end-of-life and requires no power connectors, drawing only 53 W, and is a single-slot design with a suggested PSU of 250 W.

Benchmark Performance — exact CPU and GPU scores, percentile positions, and what the combined picture is

The CPU benchmarks for the Intel Core i9-13900E are robust, reflecting its high-core-count design. In Cinebench R15, the CPU scores 3451 in multi-core and 487 in single-core. Cinebench R20 results show 14382 in multi-core and 2030 in single-core. Cinebench R23 yields a multi-core score of 34244 and a single-core score of 4834. Geekbench results are 8337 for multi-core and 1646 for single-core. The CPU’s average benchmark score is 8676, placing it at the 65th percentile. Its nearest rival is the Intel Core i7-8565U with an average score of 8665, a delta of 0.1%. The i9-13900E is also within 1.1% of the Intel Core i7-10510U, showing that while it is above average, it is not at the top of the desktop CPU hierarchy.

The GPU benchmarks, as detailed in the previous section, show a much weaker picture. The RX 6400’s average score of 6001 places it at the 35th percentile, and its nearest rivals are the NVIDIA GeForce GTX 770M and the NVIDIA RTX PRO 6000 Blackwell Server, with deltas of 0% and 0.1% respectively. This indicates that the GPU is performing at a level comparable to older, low-end mobile parts. The combined picture is stark: a CPU that outperforms 65% of all processors is paired with a GPU that only outperforms 35% of all graphics cards. The combined percentile of 50 is a misleading average; it does not represent a balanced system but rather the midpoint between a high-end CPU and a low-end GPU.

In terms of absolute scores, the CPU’s Cinebench R23 multi-core score of 34244 is approximately 7.1 times higher than its single-core score of 4834, highlighting the multi-threaded capability. The GPU’s PassMark G3D score of 7673 is modest, and its 3DMark Steel Nomad score of 176 indicates very low performance in modern DX12 workloads. When estimating FPS from these scores, the CPU would be capable of driving high frame rates in CPU-bound scenarios, but the GPU would severely cap frame rates in any GPU-bound scenario. For example, in a CPU-bound game at 1080p, the i9-13900E could theoretically push hundreds of FPS, but the RX 6400 would likely limit output to low double digits in demanding titles. The data suggests that this pairing is only viable for very light gaming or esports titles where the GPU is not the primary constraint.

CPU Analysis — cores, clocks, architecture, what the benchmark scores mean for real workloads

The Intel Core i9-13900E is a 24-core, 32-thread processor based on the Raptor Lake architecture, specifically Raptor Lake-S. It is manufactured on a 10 nm process by Intel, with a die size of 257 mm². The base clock is 1800 MHz, with a boost clock of 5.20 GHz. The cache hierarchy is substantial: 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 36 MB of shared L3 cache. The CPU supports both DDR4 and DDR5 memory in a dual-channel configuration, with ECC memory support enabled. It uses the Intel Socket 1700 and provides PCIe Gen 5 with 16 lanes from the CPU. The integrated graphics are UHD Graphics 770, which provides basic display output but is not suitable for gaming.

The benchmark scores indicate a processor that excels in multi-threaded workloads. The Cinebench R23 multi-core score of 34244 is exceptionally high, suggesting strong performance in video encoding, 3D rendering, and software compilation. The single-core score of 4834 is also respectable, indicating good responsiveness in everyday tasks and lightly threaded applications. The Geekbench multi-core score of 8337, while lower than the Cinebench scores, still places the CPU in a competitive position. The avgBenchmarkScore of 8676 at the 65th percentile confirms that this CPU is above average but not in the top tier; it is comparable to the Intel Core i7-8565U, a mobile part, which is unusual for a desktop i9.

The architecture’s hybrid design, which combines performance cores and efficiency cores, is inferred from the core and thread count (24 cores, 32 threads), though the specific P-core/E-core split is not detailed in the data. The boost clock of 5.20 GHz is high, indicating strong single-threaded potential. The 36 MB of L3 cache is large and will benefit workloads that have high cache locality, such as database operations and certain scientific simulations. The 65 W TDP is notably low for a 24-core processor, suggesting that it is a power-efficient variant, possibly with reduced clocks under sustained load compared to higher-TDP models.

For real-world workloads, the i9-13900E is a powerhouse for content creation. Video editors will benefit from the multi-core scores, and software developers will see rapid compile times. However, the 10 nm process, while mature, is not the most advanced, and the 257 mm² die size is relatively large. The CPU’s memory support for both DDR4 and DDR5 gives builders flexibility, but the dual-channel bus will limit memory bandwidth compared to high-end HEDT platforms. The ECC support is a plus for workstation reliability. Overall, the CPU is a capable workstation processor that is held back only by its pairing with a weak GPU in this configuration.

Balance and Bottleneck — which component limits which workload, using percentiles and FPS scaling as evidence

The balance between the Intel Core i9-13900E and the AMD Radeon RX 6400 is heavily skewed toward the CPU. The CPU’s 65th percentile and the GPU’s 35th percentile create a delta of 30 percentage points, which is a massive imbalance. In gaming, the GPU is the primary bottleneck. The RX 6400’s 4 GB VRAM and 128.0 GB/s bandwidth will be exhausted by modern game textures and shaders, causing frame rates to plummet regardless of the CPU’s capability. The CPU could easily feed the GPU at 1080p, but the GPU cannot process frames fast enough to utilize the CPU’s potential. Estimated FPS in AAA titles would be GPU-limited to low settings, while in esports titles like CS:GO or Valorant, the GPU might still be the limiting factor at high refresh rates.

In compute-heavy workloads, the situation reverses. The CPU becomes the dominant component, and the GPU is largely irrelevant. For tasks like 3D rendering in Blender or Cinebench, the i9-13900E’s Cinebench R23 multi-core score of 34244 will drive render times down, while the GPU’s low compute score of 2812 in PassMark GPU Compute means it will not accelerate rendering significantly. In video editing, the CPU handles encoding and decoding, and the GPU only assists with effects and previews; the RX 6400’s 3.565 TFLOPS is sufficient for basic acceleration but not for complex timelines.

The FPS scaling evidence from the benchmark scores indicates that in CPU-bound scenarios, the i9-13900E can achieve high frame rates. For example, in a CPU-bound simulation game, the CPU’s high single-core score of 4834 in Cinebench R23 would support high FPS. However, in GPU-bound scenarios, the RX 6400’s 3DMark score of 176 suggests extremely low FPS in modern DX12 games. The PassMark DirectX 12 score of 30 is particularly telling; it implies that the GPU is not well optimized for modern APIs. Therefore, the system is unbalanced for gaming, but it is an excellent choice for professional workloads where the GPU is not the primary compute engine.

Upgrade Path and Platform — socket, memory support, PCIe, PSU headroom from suggestedPsu/tdp, what a sensible next upgrade looks like

The platform is built around the Intel Socket 1700, which is a mature socket that supports the 13th Gen Core series. The CPU supports both DDR4 and DDR5 memory, giving users the option to choose between cost-effective DDR4 or faster DDR5, both in a dual-channel configuration. The PCIe Gen 5 support with 16 lanes from the CPU is a future-proofing feature, but the RX 6400 uses PCIe 4.0 x4, which means it does not fully utilize the available lanes. The CPU’s TDP is 65 W, and the GPU’s TDP is 53 W, resulting in a total system draw that is well within the GPU’s suggested PSU of 250 W. This leaves significant headroom for a more powerful GPU upgrade.

The most sensible next upgrade is to replace the RX 6400 with a more capable graphics card. The CPU has ample PCIe lanes and bandwidth to support a high-end GPU, and the PSU headroom suggests that a GPU with a higher TDP could be accommodated, although the data does not specify the exact wattage of a suitable replacement. The CPU’s high multi-core performance will not bottleneck any GPU on the market, so the upgrade would immediately improve gaming performance and GPU-accelerated workloads. Another upgrade path is to increase memory bandwidth, though the dual-channel bus is a limitation that cannot be changed.

For storage and connectivity, the PCIe Gen 5 support allows for the fastest NVMe SSDs, though the data does not specify lane allocation for M.2 slots. The platform is solid for a long-term workstation build. The CPU’s ECC memory support is a differentiator for professional use, and the 36 MB L3 cache will benefit from a faster GPU in gaming. The upgrade path is clear: the CPU is the long-term investment, and the GPU is the temporary bottleneck. A user could keep the i9-13900E for years and upgrade the GPU multiple times, making this a scalable platform.

FAQ

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

A: The combined percentile is 50, placing the configuration exactly at the median of all systems. However, this is a result of the CPU at the 65th percentile and the GPU at the 35th percentile, indicating a significant imbalance.

Q: How does the Intel Core i9-13900E compare to its nearest rival in average benchmark score?

A: The i9-13900E has an average benchmark score of 8676, which is 0.1% higher than the Intel Core i7-8565U’s score of 8665. It is also 1.1% higher than the Intel Core i7-10510U’s score of 8580.

Q: What is the memory bandwidth of the AMD Radeon RX 6400, and how does it affect performance?

A: The RX 6400 has a memory bandwidth of 128.0 GB/s, using 4 GB of GDDR6 memory on a 64-bit bus. This narrow bandwidth is a significant limitation for high-resolution textures and modern game assets.

Q: Does the RX 6400 support ray tracing?

A: Yes, the RX 6400 has 12 ray accelerators, providing hardware support for ray tracing. However, given the FP32 performance of 3.565 TFLOPS, enabling ray tracing will severely impact frame rates.

Q: What is the TDP of the CPU and GPU, and what PSU is suggested?

A: The CPU has a TDP of 65 W, and the GPU has a TDP of 53 W. The suggested PSU for the GPU is 250 W, which provides ample headroom for the entire system.

Q: What memory types does the i9-13900E support?

A: The CPU supports both DDR4 and DDR5 memory in a dual-channel configuration, and it also supports ECC memory for error correction in professional workloads.

Q: What is the release date of the GPU, and is it still in production?

A: The AMD Radeon RX 6400 was released on 2022-01-18, and its production status is end-of-life. It has a launch MSRP of 159 USD.

Who Should Build It

This configuration is not suited for gamers, as the GPU’s 35th percentile ranking and 4 GB VRAM will severely limit modern gaming performance. The target user is a professional or a student in a compute-heavy field. For software developers, the CPU’s Cinebench R23 multi-core score of 34244 will accelerate compilation and testing. For content creators working with video or 3D rendering, the CPU is the primary workhorse, and the GPU can handle basic display and acceleration tasks. The system is also suitable for small business workstations, where the CPU’s ECC memory support and multi-threading capabilities are more important than graphics performance. Students in engineering or data science will benefit from the CPU’s performance in simulations and analysis. The RX 6400 serves as a competent display adapter for office productivity, with its PassMark G2D score of 722 indicating adequate 2D performance.

Build Overview

This is a desktop build classified as a workstation-oriented system, pairing the Intel Core i9-13900E with the AMD Radeon RX 6400. The CPU is a 24-core, 32-thread Raptor Lake processor with a 65 W TDP, while the GPU is a low-profile, single-slot RDNA 2.0 card with a 53 W TDP. The overall tier is mid-range, as indicated by the combined percentile of 50. The CPU is the dominant component, providing high multi-threaded performance for professional workloads, while the GPU is a bottleneck for gaming and graphics-intensive tasks. The system is best described as a CPU-centric build where the GPU is an afterthought, suitable for compute-heavy tasks rather than gaming.

Usage Scenarios

For high-refresh gaming, this system is inadequate. The RX 6400’s low benchmark scores, such as the 3DMark Steel Nomad score of 176, will not support high frame rates at 1080p in modern titles. Estimated FPS in esports titles might reach playable levels, but the GPU will be the limiting factor, and the CPU’s potential will be wasted.

Streaming is not a viable use case for this GPU. The lack of a dedicated hardware encoder is not specified, but the GPU’s low compute scores suggest that encoding would tax the GPU heavily, and the 4 GB VRAM would be insufficient for both game rendering and streaming overhead.

Video editing is a strong use case for the CPU. The i9-13900E’s Cinebench R23 multi-core score of 34244 will handle 4K video encoding and decoding efficiently. The GPU can assist with effects, but its low performance means the workflow will be CPU-bound, which is acceptable for this workload.

3D rendering benefits greatly from the CPU. The Geekbench multi-core score of 8337 and Cinebench scores indicate fast render times for CPU-based renderers. The GPU’s PassMark GPU Compute score of 2812 is low, so GPU-accelerated rendering will be slow, but CPU rendering will be excellent.

Software development is ideal for this system. The 24 cores and 32 threads will reduce compilation times significantly. The CPU’s single-core performance of 4834 in Cinebench R23 ensures a responsive IDE, and the ECC memory support is a plus for long-running builds.

Student and office work is perfectly served by this configuration. The CPU’s high single-core score ensures snappy application performance, and the integrated UHD Graphics 770, combined with the RX 6400, provides ample display outputs for multi-monitor setups. The system is overkill for word processing and spreadsheets, but it excels in more demanding academic workloads like data analysis.

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

Power Build

System Balance Analysis

Intel Core i9-13900E

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

GPU Analysis — VRAM, bandwidth, clocks, RT/tensor hardware, what the benchmark scores mean for rendering

Benchmark Performance — exact CPU and GPU scores, percentile positions, and what the combined picture is

CPU Analysis — cores, clocks, architecture, what the benchmark scores mean for real workloads

Balance and Bottleneck — which component limits which workload, using percentiles and FPS scaling as evidence

Upgrade Path and Platform — socket, memory support, PCIe, PSU headroom from suggestedPsu/tdp, what a sensible next upgrade looks like

FAQ

Who Should Build It

Build Overview

Usage Scenarios

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

Related Processors

Related Graphics Cards

Compare Your CPU

Compare Your GPU

Related PC Builds

Same CPU with Different GPUs

Same GPU with Different CPUs

Other Popular Builds