SYSTEM ANALYZER

Rate My PC: AMD Ryzen 5 8400F + NVIDIA GeForce RTX 3090 Ti

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Build Configuration

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PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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93 Score

Top 7% Ranking

93 / 100

ULTIMATE READY

Apex Performer

Top 7% 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

99%

PROCESSOR

AMD Ryzen 5 8400F

25,005 Benchmark Score

Top 14% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 3090 Ti

131,938 Benchmark Score

Top 1% Market Ranking

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Market Position

How your build compares to others

Budget

0-30

Mid-Range

30-60

High-End

60-85

Enthusiast

85-100

Your Build

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Optimal Performance

Your system is in the top tier. You can run any modern game at maximum settings.

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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

# AMD Ryzen 5 8400F + NVIDIA GeForce RTX 3090 Ti

This pairing combines a 6-core AMD desktop processor built on the Zen 4 architecture with a flagship-class NVIDIA Ampere graphics card, creating a desktop system that sits at the 86th percentile overall against other CPU+GPU combinations. The CPU delivers a 77th percentile rank among all processors, while the GPU ranks in the 95th percentile among all graphics cards, indicating a configuration where the graphics component substantially outperforms the processor in relative standing.

Upgrade Path and Platform

The AMD Ryzen 5 8400F uses the AMD Socket AM5 platform, which represents the current desktop socket for AMD's Zen 4 architecture. This processor supports DDR5 memory through a dual-channel memory bus, providing a memory bandwidth of 83.2 GB/s. The platform's memory support is limited to DDR5, meaning builders must use newer memory modules rather than older DDR4 options. The CPU provides PCIe Gen 4 with 20 lanes from the processor itself, which is sufficient for a single high-bandwidth graphics card and additional NVMe storage devices.

The processor carries a 65W TDP, which is notably modest for a desktop CPU, while the RTX 3090 Ti carries a 450W TDP and the suggested PSU for the graphics card alone is 850W. The data indicates that the power supply requirement is driven entirely by the GPU, not the CPU, so a system builder should prioritize PSU headroom based on the graphics card's demands. The GPU uses a single 16-pin power connector, which simplifies cabling compared to multi-connector designs.

For a sensible next upgrade, the AM5 platform offers headroom for higher-core-count Ryzen processors within the same socket, though the FACT PACK does not specify which specific models are compatible. The DDR5 memory support means that memory upgrades are straightforward, and the PCIe Gen 4 lanes can accommodate modern storage and expansion cards. The 65W CPU TDP leaves thermal and power headroom for a future processor upgrade without necessarily changing the cooling solution, though the platform's full capabilities depend on the motherboard's power delivery design. The GPU's end-of-life production status suggests that replacing it would mean moving to a newer generation, but the RTX 3090 Ti's 24GB of VRAM and 1.01 TB/s bandwidth remain substantial for current workloads.

Balance and Bottleneck

The data shows a significant imbalance between the CPU and GPU performance percentiles. The RTX 3090 Ti ranks in the 95th percentile among all GPUs, while the Ryzen 5 8400F ranks in the 77th percentile among all CPUs. This gap indicates that in most workloads, the CPU will be the limiting factor, particularly in scenarios that require high frame rates at lower resolutions where the GPU can render frames faster than the CPU can feed them.

The CPU's benchmark scores show a scaling pattern across thread counts: the 3DMark score jumps from 1874 at 2 threads to 3563 at 4 threads, then to 5275 at 8 threads, and finally 6091 at 16 threads. This scaling suggests that the processor benefits from additional threads but reaches diminishing returns beyond 8 threads, with the 16-thread score only marginally higher than the 8-thread score. In gaming scenarios, where frame generation depends on both CPU and GPU, the CPU's single-threaded performance of 951 in 3DMark single-thread and 2943 in Cinebench R23 single-core will determine the ceiling for frame rates in CPU-bound titles.

The GPU's benchmark scores, including 5741 in 3DMark Steel Nomad DX12 and 215633 in Geekbench Vulkan, indicate raw graphics capability that far exceeds the CPU's relative standing. In GPU-bound workloads such as 4K gaming or heavy rendering, the RTX 3090 Ti will be the primary performance driver, and the CPU's lower percentile rank becomes less relevant. The combined 86th percentile reflects a system where the GPU carries most of the performance weight, but the CPU's 6 cores and 12 threads are sufficient for feeding the GPU in most scenarios, particularly at higher resolutions where the GPU becomes the bottleneck.

Usage Scenarios

High-refresh gaming: The RTX 3090 Ti's 95th percentile ranking and its Vulkan score of 215633 indicate exceptional frame generation capability, but the Ryzen 5 8400F's single-thread score of 2943 in Cinebench R23 will limit maximum frame rates in CPU-bound titles. At 1080p or 1440p with high refresh rates, the CPU is likely to be the limiting factor, while at 4K the GPU's workload increases and the CPU bottleneck diminishes.

Streaming: The CPU's 12 threads and its Passmark multithread score of 24389 provide enough parallel processing for encoding overhead, while the GPU's tensor cores (336) and RT cores (84) could assist with hardware-accelerated encoding and streaming features. The 25,000 million transistors in the CPU and 28,300 million in the GPU indicate that both components have substantial compute resources for concurrent gaming and streaming workloads.

Video editing: The CPU's Cinebench R23 multicore score of 20851 and Passmark integer math score of 74021 provide solid processing for video codecs and timeline operations, while the GPU's 40.00 TFLOPS FP32 performance and 1.01 TB/s memory bandwidth accelerate effects, color grading, and export rendering. The 24GB of GDDR6X VRAM allows for large project files and multiple high-resolution video streams without memory pressure.

3D rendering: The GPU's FP32 throughput of 40.00 TFLOPS and its 3DMark Steel Nomad score of 5741 indicate strong rendering performance, while the CPU's 6 cores and 12 threads with a Cinebench R23 multicore score of 20851 handle scene setup and physics calculations. The Passmark physics score of 1332 suggests that CPU physics simulation will be a bottleneck in complex scenes, but GPU-based renderers will see substantial throughput.

Software development: The CPU's Passmark data compression score of 288158 and random string sorting score of 34604 indicate efficient handling of compilation tasks and data processing, while the GPU's compute capabilities could accelerate parallel workloads. The 16 MB of shared L3 cache and 1 MB of L2 cache per core provide reasonable memory locality for code execution.

Student and office work: The CPU's single-thread Passmark score of 3685 and its 65W TDP make it a capable processor for everyday tasks, while the GPU's power consumption of 450W is excessive for typical office workloads. For productivity applications that do not utilize GPU acceleration, the system's performance is driven by the CPU, which ranks in the 77th percentile — more than sufficient for document editing, spreadsheets, and web browsing.

Who Should Build It

This system targets users who prioritize graphics-intensive workloads over CPU-bound tasks. Gamers playing at 4K resolution will benefit most from the RTX 3090 Ti's 95th percentile GPU ranking, as the GPU becomes the primary bottleneck at higher resolutions, reducing the impact of the CPU's lower percentile. Content creators working with large video files, 3D scenes, or GPU-accelerated rendering will find the 24GB of VRAM and 1.01 TB/s bandwidth invaluable for their workflows.

Software developers working on GPU-accelerated applications, machine learning models, or data processing pipelines can leverage the GPU's 336 tensor cores and 40.00 TFLOPS FP16 performance. Students in computer graphics, data science, or engineering fields who run GPU-intensive simulations would benefit from this configuration. Small business workstations handling CAD, video production, or scientific visualization would see substantial performance from the GPU, though the CPU's 77th percentile ranking means that purely CPU-bound tasks will not be as strong.

The system is less suitable for users whose primary workloads are CPU-heavy, such as software compilation, database processing, or heavily multithreaded office applications, where the Ryzen 5 8400F's 6 cores and 77th percentile ranking may be the limiting factor. The GPU's end-of-life status and its 450W TDP mean that builders should consider the power and cooling requirements carefully.

Benchmark Performance

The AMD Ryzen 5 8400F achieves an average benchmark score of 25005, placing it in the 77th percentile among all CPUs. Its nearest rivals include the AMD Ryzen 5 7500F with an average score of 24964 (0.2% higher), the Intel Core i7-11850H at 24935 (0.3% higher), and the Intel Core i7-13620H at 24911 (0.4% higher). The AMD EPYC 9474F scores 25103, which is 0.4% higher than the 8400F. This tight grouping shows that the 8400F sits near several comparable processors, with less than half a percent separating it from its nearest competitors.

The CPU's Cinebench R23 scores show a multicore result of 20851 and a single-core result of 2943, indicating that the multicore performance is roughly 7 times the single-core score, which aligns with the 6-core, 12-thread configuration. The 3DMark scores scale from 951 in single-thread to 6091 in 16-thread, showing a 6.4x improvement from single-thread to maximum threads. Passmark scores include a multithread result of 24389 and a single-thread result of 3685, with floating point math at 46217 and integer math at 74021.

The NVIDIA GeForce RTX 3090 Ti achieves an average benchmark score of 131938, placing it in the 95th percentile among all GPUs. Its nearest rivals include the NVIDIA L4 with a score of 131072 (0.7% higher), the NVIDIA RTX 4000 Ada Generation at 135218 (2.4% higher), the NVIDIA A10M at 135230 (2.4% higher), and the AMD Radeon PRO W6800 at 135396 (2.6% higher). The GPU's individual benchmark scores include 5741 in 3DMark Steel Nomad DX12, 174441 in Geekbench OpenCL, and 215633 in Geekbench Vulkan.

The combined system percentile of 86 places this pairing in the upper tier of desktop configurations, with the GPU's 95th percentile being the dominant contributor to the system's overall standing.

Gaming Performance

The FACT PACK contains no measured FPS data for this exact CPU+GPU combination. All frame rate figures in this section are estimates based on the benchmark scores of the individual components. The dataIsMeasured field is false, so these figures should be treated as qualitative expectations rather than precise measurements.

Based on the GPU's 95th percentile ranking and its Vulkan score of 215633, the RTX 3090 Ti is expected to deliver very high frame rates at 1440p and 4K resolutions in most games. The CPU's single-thread performance of 2943 in Cinebench R23 and 951 in 3DMark single-thread will cap frame rates in CPU-bound scenarios, particularly at 1080p where the GPU can render frames faster than the CPU can process game logic.

At 4K resolution, the GPU's 1.01 TB/s memory bandwidth and 40.00 TFLOPS FP32 performance should allow for ultra-quality settings with high frame rates in most titles, with the CPU bottleneck becoming less significant as the GPU workload increases. At 1440p, the system should deliver smooth high-refresh gaming in GPU-bound titles, while CPU-bound games may see frame rates limited by the processor's single-thread performance. At 1080p, the CPU's 77th percentile ranking will likely be the limiting factor, and users seeking maximum frame rates in competitive titles may find the processor insufficient for the GPU's full potential.

FAQ

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

A: The combined system sits at the 86th percentile among all CPU+GPU combinations.

Q: How does the CPU compare to its nearest rival, the AMD Ryzen 5 7500F?

A: The Ryzen 5 8400F has an average benchmark score of 25005, which is 0.2% lower than the Ryzen 5 7500F's score of 24964.

Q: What memory type does this processor support?

A: The Ryzen 5 8400F supports DDR5 memory through a dual-channel memory bus with a bandwidth of 83.2 GB/s.

Q: How much VRAM does the RTX 3090 Ti have?

A: The GPU has 24 GB of GDDR6X memory with a 384-bit bus and 1.01 TB/s bandwidth.

Q: What power supply is suggested for the RTX 3090 Ti?

A: The suggested PSU for the GPU is 850W, while the CPU has a 65W TDP and the GPU has a 450W TDP.

Q: What is the GPU's percentile ranking among all graphics cards?

A: The RTX 3090 Ti ranks in the 95th percentile among all GPUs.

Q: Does this system have measured FPS data for gaming?

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

Build Overview

This is a desktop system pairing the AMD Ryzen 5 8400F, a 6-core, 12-thread processor from the 8000 series built on Zen 4 architecture at a 4nm process node, with the NVIDIA GeForce RTX 3090 Ti, a GeForce 30-series GPU built on Ampere architecture at an 8nm process node. The system ranks in the 86th percentile overall, with the CPU at the 77th percentile and the GPU at the 95th percentile among their respective categories.

The CPU has a base clock of 4.20 GHz and a boost clock of 4.70 GHz, a 65W TDP, and uses the AMD Socket AM5. The GPU has a base clock of 1560 MHz and a boost clock of 1860 MHz, with memory running at 1313 MHz (21 Gbps effective), and a 450W TDP. This pairing represents a configuration where the graphics card is significantly more powerful relative to other GPUs than the processor is relative to other CPUs, making it a GPU-dominant system.

CPU Analysis

The AMD Ryzen 5 8400F is a 6-core, 12-thread desktop processor from the 8000 series, built on Zen 4 architecture with the codename Phoenix. It uses a 4nm process node from TSMC, containing 25,000 million transistors on a 178 mm² die. The processor has a base clock of 4.20 GHz and a boost clock of 4.70 GHz, with a 65W TDP. The cache hierarchy includes 64 KB of L1 cache per core, 1 MB of L2 cache per core, and 16 MB of shared L3 cache.

The processor's benchmark scores show strong single-thread performance with a Cinebench R23 single-core score of 2943 and a 3DMark single-thread score of 951. The multicore scores scale well with thread count: Cinebench R23 multicore reaches 20851, while 3DMark scores range from 1874 at 2 threads to 6091 at 16 threads. The Passmark suite shows a single-thread score of 3685 and a multithread score of 24389, with integer math at 74021 and floating point math at 46217.

In real workloads, the CPU's 6 cores and 12 threads handle mainstream productivity tasks efficiently, as indicated by the Passmark data compression score of 288158 and random string sorting score of 34604. The 77th percentile ranking places it near several competitors within 0.4% performance difference, suggesting that the 8400F is a mid-range processor that competes closely with similar offerings. The CPU has no integrated graphics, so a discrete GPU is required for display output.

GPU Analysis

The NVIDIA GeForce RTX 3090 Ti is a GeForce 30-series GPU based on the GA102 chip with Ampere architecture, manufactured on an 8nm process by Samsung. It contains 28,300 million transistors on a 628 mm² die, with a transistor density of 45.1M per mm². The GPU has 10752 shading units, 336 texture mapping units, and 112 raster operation units, along with 84 RT cores and 336 tensor cores.

The GPU's memory subsystem consists of 24 GB of GDDR6X memory on a 384-bit bus, delivering 1.01 TB/s of bandwidth. The clocks are set at 1560 MHz base and 1860 MHz boost, with memory running at 1313 MHz (21 Gbps effective). The compute performance includes 40.00 TFLOPS FP32 and 40.00 TFLOPS FP16 (1:1), with a pixel rate of 208.3 GPixel/s and a texture rate of 625.0 GTexel/s.

In benchmark tests, the GPU scores 5741 in 3DMark Steel Nomad DX12, 174441 in Geekbench OpenCL, and 215633 in Geekbench Vulkan. The 95th percentile ranking places it among the top 5% of all GPUs, with its average benchmark score of 131938 being within 2.6% of its nearest rivals. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, and features display outputs of 1x HDMI 2.1 and 3x DisplayPort 1.4a. The GPU's 450W TDP and triple-slot design require substantial cooling and power delivery, with a suggested 850W PSU.

Rate My PC: AMD Ryzen 5 8400F + NVIDIA GeForce RTX 3090 Ti

Apex Performer

System Balance Analysis

AMD Ryzen 5 8400F

NVIDIA GeForce RTX 3090 Ti

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

Upgrade Path and Platform

Balance and Bottleneck

Usage Scenarios

Who Should Build It

Benchmark Performance

Gaming Performance

FAQ

Build Overview

CPU Analysis

GPU Analysis

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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