SYSTEM ANALYZER

Rate My PC: AMD Ryzen 5 8400F + AMD Radeon RX 6900 XT

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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91 Score

Top 9% Ranking

91 / 100

ULTIMATE READY

Apex Performer

Top 9% 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

86%

GPU

96%

PROCESSOR

AMD Ryzen 5 8400F

25,005 Benchmark Score

Top 14% Market Ranking

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GRAPHICS CARD

AMD Radeon RX 6900 XT

50,951 Benchmark Score

Top 4% 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

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 AMD Ryzen 5 8400F and AMD Radeon RX 6900 XT pairing is a desktop configuration that combines a modern 6-core Zen 4 processor with a flagship RDNA 2 graphics card. The CPU sits at the 77th percentile among all processors, while the GPU commands an 86th percentile ranking, resulting in a combined system percentile of 82. This build represents a high-end GPU anchored by a mid-range CPU, a combination that produces distinct performance characteristics depending on the workload.

CPU Analysis

The AMD Ryzen 5 8400F is built on the Zen 4 architecture using TSMC's 4 nm process node, with a die size of 178 mm² containing 25,000 million transistors. It features 6 cores and 12 threads, operating at a base clock of 4.20 GHz and a boost clock of 4.70 GHz. The processor has a 65 W TDP and supports DDR5 memory through a dual-channel bus, delivering 83.2 GB/s of memory bandwidth. Cache is organized as 64 KB of L1 per core, 1 MB of L2 per core, and a shared 16 MB L3 pool.

Benchmark results show a processor that scales predictably with thread count. The 3DMark scores progress from 951 in single-thread to 1,874 in 2-thread, 3,563 in 4-thread, 5,275 in 8-thread, and peak at 6,165 in max-thread tests. The Cinebench R23 multicore score of 20,851 is particularly strong, while the single-core score of 2,943 indicates solid per-thread performance. PassMark results reinforce this profile, with a multithread score of 24,389 and a single-thread score of 3,685.

The data shows the 8400F is a capable 6-core chip that sits slightly above its closest rival, the AMD Ryzen 5 7500F, by just 0.2 percent in average benchmark score. It also edges out the Intel Core i7-11850H by 0.3 percent and the Intel Core i7-13620H by 0.4 percent, while trailing the AMD EPYC 9474F by 0.4 percent. These margins are negligible, placing the 8400F in a tightly contested performance band. For real workloads, the 3DMark 16-thread score of 6,091 and Cinebench R23 multicore result suggest strong sustained multi-threaded throughput for a 65 W part, though the 16 MB shared L3 cache may limit certain cache-sensitive tasks compared to larger desktop parts.

Usage Scenarios

High-refresh gaming: The RX 6900 XT is the dominant component here, with its 86th percentile GPU ranking and benchmark scores that should drive high frame rates. The 8400F's single-thread score of 951 in 3DMark and 2,943 in Cinebench R23 is sufficient to feed the GPU in most titles, though the 6-core/12-thread configuration may be a limiting factor in the most CPU-intensive games.

Streaming: The combination of a strong GPU and a solid multi-threaded CPU works well for local encoding. The CPU's Cinebench R20 multicore score of 8,757 and 3DMark 8-thread score of 5,275 indicate enough headroom for simultaneous gaming and encoding, though a dedicated encoder on the GPU could offload the CPU entirely.

Video editing: The 8400F's Cinebench R23 multicore score of 20,851 and PassMark data compression score of 288,158 point to capable export and render times in timeline-based editors. The GPU's 16 GB of VRAM and 512.0 GB/s memory bandwidth will accelerate effects and preview rendering, making this a balanced system for 4K editing workflows.

3D rendering: This workload favors the GPU heavily. The RX 6900 XT's FP32 throughput of 23.04 TFLOPS and PassMark GPU compute score of 14,547 will vastly outpace the CPU's rendering capabilities. The 8400F's Cinebench R15 multicore score of 2,101 is adequate for scene preparation and physics, but the GPU does the heavy lifting.

Software development: The 8400F's PassMark integer math score of 74,021 and random string sorting score of 34,604 indicate fast compilation and code processing. The 12 threads handle parallel builds efficiently, and the 83.2 GB/s memory bandwidth supports large project caches without bottlenecking.

Student and office work: The 8400F's 3DMark 2-thread score of 1,874 and PassMark single-thread score of 3,685 are more than adequate for document processing, spreadsheets, and web browsing. The 65 W TDP keeps power draw low, and the platform's DDR5 support ensures responsive multitasking for everyday productivity tasks.

Gaming Performance

The FACT PACK contains no measured FPS rows for this exact CPU+GPU combination, so all frame rate discussions are estimates based on the benchmark scores. The RX 6900 XT's 86th percentile GPU rank and its 3DMark Steel Nomad DX12 score of 4,079 place it among the top graphics cards. The GPU's pixel rate of 288.0 GPixel/s and texture rate of 720.0 GTexel/s suggest it can handle high-resolution textures and geometry without issue.

The 8400F's single-thread performance, evidenced by its 3DMark single-thread score of 951, is the potential bottleneck in lighter titles at lower resolutions. In GPU-bound scenarios at 1440p or 4K, the RX 6900 XT should deliver high frame rates given its 16 GB GDDR6 memory and 512.0 GB/s bandwidth. The CPU's PassMark physics score of 1,332 indicates acceptable game physics processing, but the 6-core configuration may struggle in titles that scale beyond 8 threads, where the 3DMark 8-thread score of 5,275 shows a significant drop from the 16-thread result of 6,091.

Balance and Bottleneck

The performance data reveals a system where the GPU outclasses the CPU by a noticeable margin. The GPU sits at the 86th percentile while the CPU is at the 77th percentile, a 9-point gap that suggests the CPU will limit the GPU in certain scenarios. The CPU's 3DMark max-thread score of 6,165 versus its 8-thread score of 5,275 shows good scaling up to 8 threads but diminishing returns beyond that, typical of a 6-core part.

In gaming, the bottleneck shifts depending on resolution. At lower resolutions, the CPU's single-thread score of 951 and 2-thread score of 1,874 will likely cap frame rates before the GPU reaches its full potential. At higher resolutions, the GPU's workload increases, and the RX 6900 XT's 23.04 TFLOPS FP32 performance becomes the limiting factor. The GPU's PassMark G3D score of 26,732 versus its compute score of 14,547 shows strong traditional rasterization performance but relatively weaker compute workloads, which may affect games using heavy compute shaders.

For productivity, the CPU's 65 W TDP and 6-core design mean it will bottleneck heavily in multi-threaded CPU tasks like video encoding or 3D scene rendering. The Cinebench R23 multicore score of 20,851 is respectable but falls well short of higher-core-count alternatives. Conversely, the GPU's 5120 shading units and 320 TMUs provide massive parallel throughput that will not be fully utilized in CPU-limited tasks.

Upgrade Path and Platform

The Ryzen 5 8400F uses AMD Socket AM5, which provides a clear upgrade path within the same platform. The CPU supports PCIe Gen 4 with 20 lanes, matching the RX 6900 XT's PCIe 4.0 x16 interface. Memory is limited to DDR5 in a dual-channel configuration, with the platform capable of delivering 83.2 GB/s bandwidth. The CPU's 65 W TDP is modest, but the GPU's 300 W TDP and suggested 700 W power supply requirement means the system needs substantial PSU headroom.

A sensible next upgrade would be a higher-core-count AM5 processor, as the socket supports the full range of Ryzen 7000 and 8000 series parts. The GPU, with its end-of-life production status, is the component most likely to need replacement in the long term, but its 16 GB VRAM and 512.0 GB/s bandwidth remain competitive. The platform's DDR5 support means memory upgrades are straightforward, and the PCIe Gen 4 interface is current enough for modern storage and expansion cards.

The RX 6900 XT's physical dimensions—267 mm in length, 120 mm in height, and 50 mm in width—require a case with adequate clearance. The triple-slot cooler and 2x 8-pin power connectors demand both chassis space and PSU connector availability. The GPU's display outputs include 1x HDMI 2.1, 2x DisplayPort 1.4a, and 1x USB Type-C, covering modern display connectivity.

Who Should Build It

This configuration targets gamers who prioritize GPU performance and play at high resolutions. The RX 6900 XT's 86th percentile ranking and 16 GB VRAM make it suited for 1440p and 4K gaming, where the 8400F's single-thread performance is less likely to bottleneck. The system is also appropriate for content creators who work primarily in GPU-accelerated applications, given the GPU's 23.04 TFLOPS FP32 throughput and PassMark GPU compute score of 14,547.

Developers will find the 8400F's PassMark integer math score of 74,021 and data encryption score of 16,646 useful for compilation and security-related workloads. Students and office workers benefit from the CPU's efficiency—65 W TDP and 4 nm process—while having access to substantial GPU headroom for occasional rendering or simulation tasks. Small business workstations that handle mixed workloads—spreadsheets, presentations, light video editing—will find the combination responsive, with the GPU providing acceleration for any graphics-intensive applications.

The system is less ideal for users whose workloads are purely CPU-bound, such as software developers doing massive parallel builds or 3D artists relying on CPU rendering. In those cases, the 8400F's 6-core/12-thread configuration and 16 MB L3 cache would be a limiting factor.

Benchmark Performance

The CPU's average benchmark score is 25,005, placing it at the 77th percentile. Its nearest rival, the Ryzen 5 7500F, scores 24,964, just 0.2 percent lower. The gap to the Intel Core i7-11850H (24,935, 0.3 percent lower) and Core i7-13620H (24,911, 0.4 percent lower) is similarly small. The AMD EPYC 9474F scores 25,103, 0.4 percent higher. The CPU's strongest results are in Cinebench R23 multicore (20,851), PassMark multithread (24,389), and 3DMark max-thread (6,165).

The GPU's average benchmark score is 50,951, placing it at the 86th percentile. Its nearest rivals include the NVIDIA CMP 50HX (51,790, 1.6 percent higher), AMD Radeon RX Vega 64 (50,001, 1.9 percent lower), NVIDIA GeForce RTX 5070 Ti (49,957, 2.0 percent lower), and Intel Arc A550M (49,737, 2.4 percent lower). The GPU's standout results include a Geekbench OpenCL score of 187,673, a Geekbench Metal score of 177,021, and a PassMark G3D score of 26,732.

The combined picture shows a system where the GPU's performance is significantly stronger relative to its peers than the CPU's. The 9-point gap in percentiles (86 vs 77) means the GPU will dominate in GPU-bound workloads, while the CPU may be the limiting factor in CPU-bound tasks. The GPU's Geekbench Vulkan score of 148,525 and 3DMark Steel Nomad score of 4,079 confirm its DirectX 12 and Vulkan capabilities.

Build Overview

This is a desktop-class build pairing the AMD Ryzen 5 8400F with the AMD Radeon RX 6900 XT. The CPU is an active production part from the 8000 series, released in March 2024, while the GPU is an end-of-life product from the RX 6000 series, released in October 2020. The combination sits at the 82nd overall percentile, indicating a high-performing system.

The CPU represents the budget-conscious end of the AM5 platform with its 65 W TDP and 6-core design, while the GPU represents the former flagship tier of the RDNA 2 architecture. The RX 6900 XT's 5120 shading units, 80 RT cores, and 16 GB GDDR6 memory make it a formidable graphics processor even in its end-of-life state. The system is well-suited for high-resolution gaming and GPU-accelerated workloads, with the CPU providing adequate support for most tasks but potentially limiting performance in CPU-intensive scenarios.

FAQ

Q: What is the CPU's single-thread performance relative to its multi-thread performance?

A: The 3DMark single-thread score is 951, while the max-thread score is 6,165, showing roughly 6.5 times scaling from 1 to 12 threads. The Cinebench R23 single-core score is 2,943 versus 20,851 multicore, confirming strong per-thread performance with efficient multi-core scaling.

Q: How does the CPU compare to its closest rival?

A: The Ryzen 5 8400F has an average benchmark score of 25,005, which is 0.2 percent higher than the Ryzen 5 7500F's 24,964. It also exceeds the Intel Core i7-11850H by 0.3 percent and the Intel Core i7-13620H by 0.4 percent.

Q: What is the GPU's memory configuration?

A: The RX 6900 XT has 16 GB of GDDR6 memory on a 256-bit bus, delivering 512.0 GB/s of memory bandwidth. The memory clock runs at 2000 MHz with 16 Gbps effective speed.

Q: Does this system have measured FPS data?

A: No. The FACT PACK contains no measured FPS rows for this exact CPU+GPU combination, so all frame rate discussions are estimates based on benchmark scores and percentile rankings.

Q: What is the GPU's power requirement?

A: The RX 6900 XT has a 300 W TDP and requires a 700 W suggested power supply. It uses 2x 8-pin power connectors and occupies a triple-slot width.

Q: What is the CPU's memory support?

A: The Ryzen 5 8400F supports DDR5 memory in a dual-channel configuration with 83.2 GB/s memory bandwidth. It does not support ECC memory.

Q: How does the GPU compare to the NVIDIA GeForce RTX 5070 Ti?

A: The RX 6900 XT has an average benchmark score of 50,951, which is 2.0 percent higher than the RTX 5070 Ti's 49,957. The RX 6900 XT also outperforms the Intel Arc A550M by 2.4 percent.

Rate My PC: AMD Ryzen 5 8400F + AMD Radeon RX 6900 XT

Apex Performer

System Balance Analysis

AMD Ryzen 5 8400F

AMD Radeon RX 6900 XT

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

Usage Scenarios

Gaming Performance

Balance and Bottleneck

Upgrade Path and Platform

Who Should Build It

Benchmark Performance

Build Overview

FAQ

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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