SYSTEM ANALYZER

Rate My PC: AMD Ryzen 9 9900X + AMD Radeon RX 6400

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

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%
VS
GPU
83%
PROCESSOR

AMD Ryzen 9 9900X

57,498 Benchmark Score
Top 5% 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

This pairing is a study in extremes. The AMD Ryzen 9 9900X is a 12-core, 24-thread powerhouse built on the Zen 5 architecture, designed to crush multi-threaded workloads. The AMD Radeon RX 6400, however, is an entry-level, end-of-life graphics card with 4 GB of VRAM. The benchmark data shows a CPU that sits in the 92nd percentile against all CPUs, paired with a GPU in the 35th percentile against all GPUs. This is not a balanced gaming rig; it is a workstation-class processor strapped to a display adapter. The following analysis will break down exactly what this combination means for various workloads, using only the provided benchmark scores to inform the verdict.

CPU Analysis

The Ryzen 9 9900X is the dominant force in this system. Built on the Zen 5 architecture (Granite Ridge) using a 4 nm process from TSMC, it houses 12 cores and 24 threads. Its base clock is 4.40 GHz, which can boost up to 5.60 GHz. This is a high-end desktop chip on the AMD Socket AM5 platform. The data shows exceptional multi-threaded capability: it scores 32,172 in Cinebench R23 multi-core and 22,174 in Geekbench multi-core. For single-threaded tasks, it achieves 2,253 in Cinebench R23 single-core and 3,010 in Geekbench single-core, indicating very strong per-core performance. The 64 MB of L3 cache and dual-channel DDR5 memory support (with 89.6 GB/s of bandwidth) further cement its position as a top-tier processor. Its benchmark scores place it at the 92nd percentile of all CPUs, with an average benchmark score of 57,498.

Looking at the nearest rivals, the data shows a tight cluster at the top. The AMD EPYC 9015 scores an average of 57,555, which is only 0.1% higher than the 9900X. The Intel Core i9-14900 scores 58,115, putting it 1.1% ahead. The Intel Xeon Platinum 8260M is 1.4% ahead with a score of 58,323. This indicates that the 9900X is not the absolute fastest CPU in the database, but it is within a hair's breadth of server-class and top-tier desktop parts. In practical terms, this means the CPU will not be the limiting factor in almost any task. For data compression, it scores 683,579 in Passmark, and for encryption, 33,421. These numbers suggest that the CPU can handle heavy computational tasks with ease, making it suitable for software compilation, scientific computing, and complex data analysis.

The 3DMark thread scaling is also telling. It scores 1,286 in single-thread, 2,519 in 2-thread, and 4,886 in 4-thread tests. This scaling continues to 9,114 in the 8-thread test and reaches 13,929 at max threads. The performance scales almost linearly with core count, which is a hallmark of a well-designed architecture. For real-world workloads, this means video editing software that can utilize 12 cores will see massive speedups, and rendering tasks in applications like Blender or Cinebench will be extremely fast. The CPU also has an unlocked multiplier, allowing for overclocking, and supports ECC memory, which is a feature often desired in professional workstations. Its TDP is 120 W, which is manageable for a high-end air cooler or a standard 240mm AIO.

GPU Analysis

The AMD Radeon RX 6400 is a stark contrast to the CPU. Based on the RDNA 2.0 architecture (Navi 24 chip) on a 6 nm process, it is a small, low-power card with a TDP of just 53 W. It has 4 GB of GDDR6 memory on a 64-bit bus, yielding a memory bandwidth of 128.0 GB/s. The GPU has 768 shading units, 48 TMUs, and 32 ROPs. It also includes 12 ray accelerators for ray tracing, though its raw compute power is limited. Its FP32 performance is 3.565 TFLOPS, and its FP16 performance is 7.130 TFLOPS. The card is single-slot, requires no power connectors, and has a suggested PSU of only 250 W. It connects via a PCIe 4.0 x4 interface. The GPU's clock speeds are a base of 1923 MHz, a game clock of 2039 MHz, and a boost clock of 2321 MHz.

The benchmark results are unimpressive, placing the GPU in the 35th percentile of all GPUs. Its average benchmark score is 6,001. Its Passmark G3D score is 7,673, but its DirectX 12 score is only 30, and its DirectX 11 score is 70. These numbers indicate that the card is not designed for modern, high-fidelity gaming. Its 3DMark Steel Nomad DX12 score is 176, which is very low. The Geekbench OpenCL score is 32,011, and the Vulkan score is 16,372, which are modest for compute tasks. The nearest rivals are telling: the NVIDIA GeForce GTX 770M scores exactly 6,000 (0% delta), and the AMD FirePro W4100 scores 5,987 (0.2% delta). These are older, low-end parts. The data clearly shows that the RX 6400 is a generation or more behind the curve for gaming and is better suited for basic display output or light, non-gaming workloads. The 4 GB VRAM is a severe limitation for modern titles, and the 64-bit bus will bottleneck texture loading and high-resolution assets.

Upgrade Path and Platform

The platform is built around the AMD Socket AM5. The Ryzen 9 9900X supports dual-channel DDR5 memory and has 24 PCIe Gen 5 lanes from the CPU. This provides a robust foundation for future upgrades. The most obvious and impactful upgrade path is the GPU. The CPU is clearly capable of driving a much more powerful graphics card. The RX 6400's 53 W TDP and 250 W suggested PSU mean that the current power delivery is minimal. However, the platform itself, with its PCIe Gen 5 support, is ready for any modern GPU. An upgrade to a mid-range or high-end Radeon RX 7000 series or NVIDIA RTX 40 series card would be a logical step, though specifics of those cards are not in the data. The CPU's TDP of 120 W means that a capable air cooler is sufficient, but users who plan to overclock (as the unlocked multiplier allows) would want a more robust cooling solution. The motherboard will need to be an AM5 board, and the availability of PCIe Gen 5 slots ensures that storage and GPU upgrades will not be bottlenecked by the interface. Since the CPU supports ECC memory, it is a viable option for a workstation build where data integrity is critical. The launch MSRP of the CPU is $499, and the GPU's launch MSRP is 159 USD, but pricing is not a factor in this analysis.

The upgrade path is clear: keep the CPU, replace the GPU. The CPU's performance headroom is enormous, as evidenced by its 92nd percentile ranking. The current GPU is the bottleneck in any graphically intensive task. For a user looking to build a high-performance workstation that can also game, the sensible next upgrade is a significantly faster GPU. The power supply headroom (250 W suggested) is the only thing that would need to be addressed, as a new GPU would likely require a higher wattage PSU. The AM5 platform has a long life ahead of it, and the 9900X will remain relevant for years to come. The memory bandwidth of 89.6 GB/s is adequate for the CPU, but a faster DDR5 kit could improve performance in memory-sensitive applications.

Balance and Bottleneck

The imbalance in this system is stark. The CPU's average benchmark score is 57,498, placing it in the 92nd percentile, while the GPU's average score is 6,001, placing it in the 35th percentile. This is a massive gap. In any gaming scenario, the GPU will be the absolute bottleneck. The CPU will be mostly idle, waiting for the GPU to render frames. The 3DMark CPU scores (e.g., 13,929 at max threads) show immense processing power, but the GPU's 3DMark Steel Nomad score of 176 shows that it cannot translate that CPU power into high frame rates. For productivity tasks that rely on the CPU, such as video encoding or 3D rendering, the system will perform exceptionally well because the GPU is not heavily involved. However, for GPU-accelerated rendering (e.g., using a GPU renderer in Blender), the RX 6400's weak compute scores (Passmark GPU Compute of 2,812) will make it a liability.

The bottleneck analysis shows that the CPU limits the system in almost no scenario, except for extremely light tasks where the GPU might be fast enough. Conversely, the GPU limits the system in all graphically intensive workloads, from gaming to GPU-accelerated compute. The FPS scaling would be poor; a more powerful GPU would yield a massive FPS increase, while upgrading the CPU would yield almost zero FPS increase in most games. The data suggests that this pairing is a placeholder configuration. It allows a user to have a fully functional, highly responsive system for CPU-intensive tasks, but it is not a gaming machine. The 12 cores and 24 threads of the CPU are wasted in gaming when paired with the RX 6400, as the GPU will be at 100% utilization while the CPU sits at a fraction of its capacity.

Usage Scenarios

High-Refresh Gaming: This is the weakest scenario. The RX 6400's low DirectX 12 score of 30 and 4 GB VRAM will prevent high frame rates at any resolution above 1080p with low settings. The CPU will not be a factor; the GPU will be the sole limiter. Users should expect e-sports titles at low settings to be playable, but demanding AAA games will struggle to maintain 60 FPS.

Streaming: The CPU is a beast for streaming. With 24 threads, it can handle x264 encoding at a high preset without impacting game performance. However, the GPU will be the bottleneck for the game itself. The system can stream, but the game quality will suffer. The CPU's strong single-thread score (3,010 in Geekbench) ensures that the encoding overhead is handled with ease.

Video Editing: This is a strong scenario. The CPU's Cinebench R23 multi-core score of 32,172 will make timeline scrubbing and export times very fast. The GPU's 4 GB VRAM is sufficient for 1080p editing but will struggle with 4K timelines and heavy effects. The CPU will dominate this workload, making it a productive machine for editing.

3D Rendering: For CPU-based rendering (like in Cinebench or Blender's Cycles CPU mode), this system is excellent. The CPU's multi-core performance is top-tier. For GPU-based rendering, the RX 6400 will be a major bottleneck, with its low FP32 performance of 3.565 TFLOPS. Users should stick to CPU rendering on this system.

Software Development: This is an excellent scenario. Compilation times will be very fast due to the high multi-threaded score (22,174 in Geekbench multi-core). The CPU's strong integer math score (181,056 in Passmark) and data compression score (683,579) will speed up builds and test suites. The GPU is irrelevant for most development tasks.

Student and Office Work: This system is massively overkill for these tasks. The CPU's power is largely unused, but the system will be very responsive. The GPU is more than enough for 2D desktop rendering and office applications. The low power draw of the GPU (53 W) and the CPU (120 W TDP) mean the system will be energy-efficient for light tasks.

Who Should Build It

This configuration is for a specific type of user: someone who needs massive CPU compute power but has minimal GPU requirements. This is a perfect fit for a software developer who compiles large codebases, a data scientist running complex simulations, or a video editor working primarily with CPU-encoded codecs. The 92nd percentile CPU performance is ideal for these tasks. It is also suitable for a student in a computer science or engineering program who needs a powerful workstation for simulations and compilation but does not game. The system is not for gamers. The 35th percentile GPU will frustrate anyone expecting a modern gaming experience. It could serve as a temporary small business workstation for tasks like accounting, document processing, and light database work, where the CPU ensures snappy performance and the GPU is adequate for 2D displays. The combined percentile of 64 reflects the GPU dragging down the CPU's high score. This build is about prioritizing the processor above all else.

Benchmark Performance

The combined picture is one of extreme disparity. The CPU's average benchmark score is 57,498, placing it in the 92nd percentile of all CPUs. Its nearest rivals include the AMD EPYC 9015 (0.1% slower), the AMD EPYC 7313 (0.2% faster), the Intel Core i9-14900 (1.1% faster), and the Intel Xeon Platinum 8260M (1.4% faster). This is elite company. The GPU's average benchmark score is 6,001, placing it in the 35th percentile of all GPUs. Its nearest rivals are the NVIDIA GeForce GTX 770M (0% delta), the NVIDIA RTX PRO 6000 Blackwell Server (0.1% faster), the AMD FirePro W4100 (0.2% faster), and the NVIDIA Quadro K4000M (0.3% faster). The GPU is in the company of decade-old mobile and low-end workstation parts. The CPU-specific scores are stellar: Cinebench R23 multi-core at 32,172, Geekbench multi-core at 22,174, and Passmark single-thread at 4,672. The GPU-specific scores are poor: Passmark G3D at 7,673 and 3DMark Steel Nomad DX12 at 176. The data suggests that the CPU is a top-tier performer that would be wasted in a purely gaming build, while the GPU is a basic display adapter that is only suitable for light duties.

FAQ

Q: Is the Ryzen 9 9900X a fast processor?

A: Yes. It scores in the 92nd percentile of all CPUs, with an average benchmark score of 57,498. It outperforms the AMD EPYC 9015 by 0.1% and is only 1.1% slower than the Intel Core i9-14900.

Q: Is the Radeon RX 6400 a fast graphics card?

A: No. It scores in the 35th percentile of all GPUs. Its performance is statistically tied with the NVIDIA GeForce GTX 770M, which is an older mobile part.

Q: How much VRAM does the RX 6400 have?

A: It has 4 GB of GDDR6 memory on a 64-bit bus, providing 128.0 GB/s of bandwidth.

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

A: The Ryzen 9 9900X has 12 cores and 24 threads, based on the Zen 5 architecture.

Q: What memory type does the CPU support?

A: It supports dual-channel DDR5 memory with a bandwidth of 89.6 GB/s. It also supports ECC memory.

Q: What is the power draw of the CPU and GPU?

A: The CPU has a TDP of 120 W, and the GPU has a TDP of 53 W. The suggested PSU for the GPU is 250 W.

Q: Will this system be good for gaming?

A: No. The GPU is the bottleneck. Its low DirectX 12 score of 30 and 4 GB VRAM will limit performance to low settings and lower resolutions. The CPU is not the limiting factor.

Gaming Performance

There are no measured FPS rows for this exact combination in the data. All FPS figures discussed here are estimates based on the benchmark scores and should be treated as such. The GPU's low scores, particularly the 3DMark Steel Nomad DX12 score of 176 and the Passmark DirectX 12 score of 30, indicate very poor performance in modern game engines. At 1080p with ultra settings, this system will likely struggle to maintain 30 FPS in most AAA titles. The 4 GB VRAM will be exceeded by many games, causing texture pop-in and stuttering. For e-sports titles like CS:GO or Valorant, which are less demanding, 60+ FPS at low settings is plausible, but the CPU's power is irrelevant here; the GPU is the sole arbiter of frame rate. At 1440p or 4K, the system is not viable for gaming. The data suggests that this is a productivity system, and gaming on it would be a poor experience. The CPU can handle any game logic, but the GPU cannot render the frames.