SYSTEM ANALYZER

Rate My PC: AMD Ryzen 9 7900 + NVIDIA GeForce RTX 4090

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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96 Score

Top 4% Ranking

96 / 100

ULTIMATE READY

Apex Performer

Top 4% 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

94%

GPU

97%

PROCESSOR

AMD Ryzen 9 7900

49,228 Benchmark Score

Top 6% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 4090

60,347 Benchmark Score

Top 3% 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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Performance Insights

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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.

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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 9 7900 + NVIDIA GeForce RTX 4090: A Desktop Powerhouse Analysis

This pairing combines AMD's 12-core Zen 4 desktop processor with NVIDIA's flagship Ada Lovelace GPU, creating a system that sits at the 89th percentile overall among all CPU+GPU combinations. The Ryzen 9 7900 delivers strong multi-threaded throughput with a 90th percentile CPU ranking, while the RTX 4090 provides exceptional graphics compute with an 88th percentile GPU ranking. No measured FPS rows exist for this exact combination in the FACT PACK — the data contains no measuredFps entries, so all frame rate discussions below are estimated from the benchmark scores rather than direct game testing.

Gaming Performance

Since no measured FPS data exists for this exact CPU+GPU pairing, gaming expectations must be derived from the benchmark scores. The RTX 4090's PassMark G3D score of 38194 places it in the 88th percentile of all GPUs, indicating top-tier rasterization performance. Its 3DMark Steel Nomad DX12 score of 9223 further confirms strong DirectX 12 workload handling. For the CPU side, the 3DMark 8-thread score of 7454 and max-thread score of 10953 suggest the Ryzen 9 7900 can feed even the most demanding GPU without becoming a bottleneck in most scenarios.

At 1080p and 1440p resolutions, this system should deliver extremely high frame rates in competitive titles, with the CPU's single-thread score of 1069 in 3DMark and 1966 in Cinebench R23 indicating excellent per-core performance for game logic and physics. The RTX 4090's 24 GB of GDDR6X memory with 1.01 TB/s bandwidth provides ample headroom for high-resolution textures, and the 82.58 TFLOPS FP32 compute ensures pixel throughput that exceeds virtually all display refresh rates. At 4K, the GPU becomes the primary driver, and its 443.5 GPixel/s pixel rate suggests it can sustain high detail settings where the CPU's load decreases relative to GPU work.

The 3DMark 16-thread score of 10056 indicates that games utilizing more than 8 threads will see additional headroom, though most current titles scale primarily with single-thread and 8-thread performance. The CPU's 12 cores and 24 threads provide substantial future-proofing for games that increasingly leverage multi-threading. For esports titles at high refresh rates, the single-thread and 2-thread 3DMark scores of 1069 and 2067 respectively suggest the CPU can maintain high minimum frame rates, while the RTX 4090's 512 tensor cores deliver leading-edge DLSS performance for AI-enhanced upscaling.

Upgrade Path and Platform

The AMD Socket AM5 platform provides a clear upgrade path within the 7000 series and beyond. The Ryzen 9 7900 uses the Zen 4 architecture on a 5 nm TSMC process, and the socket supports DDR5 memory through a dual-channel interface with 83.2 GB/s bandwidth. The platform includes ECC memory support, which is valuable for workstation reliability. PCIe Gen 5 with 24 CPU lanes offers substantial bandwidth for next-generation storage and expansion cards, though the RTX 4090 itself uses PCIe 4.0 x16.

The CPU's 65 W TDP is remarkably efficient for a 12-core processor, which means the power delivery subsystem has significant headroom. The RTX 4090, however, demands a 450 W TDP and requires an 850 W suggested PSU, so the overall system power envelope is dominated by the GPU. The GPU uses a single 16-pin power connector and occupies a triple-slot form factor, measuring 304 mm in length, 137 mm in height, and 61 mm in width — this requires a case with substantial clearance.

A sensible next upgrade would focus on the GPU, as the RTX 4090 is marked as end-of-life with a successor already existing in the GeForce 50 series. However, the current GPU's performance remains among the top tier. For CPU upgrades, the AM5 socket supports future generations, though the 7900's 12 cores and 24 threads already provide strong multi-threaded performance. The platform's 64 MB shared L3 cache and dual 71 mm² chiplets suggest architectural maturity, and the 13,140 million transistors on the CPU indicate a dense, modern design.

CPU Analysis

The AMD Ryzen 9 7900 combines 12 cores and 24 threads with a base clock of 3.70 GHz and a boost clock of 5.40 GHz, built on the Zen 4 Raphael architecture. This TSMC 5 nm processor integrates 13,140 million transistors across two 71 mm² chiplets, with 64 KB L1 cache per core, 1 MB L2 cache per core, and 64 MB shared L3 cache. The unlocked multiplier allows overclocking headroom, and integrated Radeon Graphics provide a basic display output capability that can assist troubleshooting or office use without a discrete GPU.

Cinebench R23 multicore score of 24776 and single-core score of 1966 demonstrate strong performance across both heavily threaded and lightly threaded workloads. The Geekbench multicore score of 17726 and single-core score of 2495 reinforce this balance. For real workloads, the 12-core configuration excels at video encoding, 3D rendering, and software compilation, where the 24 threads allow parallel task execution. PassMark multithread score of 48347 and integer math score of 164075 indicate robust number-crunching capability, while floating point math score of 97943 shows strong scientific computing performance.

The nearest rivals provide context: the AMD Ryzen 7 PRO 5755G scores 49196 (0.1% behind), the Intel Core i5-14600KF scores 49394 (0.3% ahead), the Intel Core Ultra 5 245 scores 48995 (0.5% behind), and the Intel Xeon Gold 5318H scores 48698 (1.1% behind). These deltas are minimal, indicating the 7900 sits in a highly competitive performance cluster. The PassMark data compression score of 577847 and encryption score of 34708 suggest strong data handling, while random string sorting at 68474 points to good memory subsystem performance. The extended instructions score of 42253 indicates solid SIMD throughput for AVX-class workloads.

Balance and Bottleneck

The combined 89th percentile ranking indicates this pairing is well-matched overall, but workload-specific bottlenecks exist. The CPU's 90th percentile versus the GPU's 88th percentile suggests the processor holds a slight edge in relative performance, meaning the GPU is more likely to be the limiting factor in GPU-bound scenarios. This is typical for gaming at higher resolutions, where the RTX 4090's pixel rate and texture rate become the determining factors.

Benchmark data supports this balance: the CPU's 3DMark max-thread score of 10953 versus the GPU's 3DMark Steel Nomad score of 9223 shows the CPU can produce more thread-level work than the GPU can render in synthetic DX12 tests. However, real games rarely saturate all 24 threads, so the practical bottleneck depends on the title. For single-threaded or lightly threaded games, the CPU's 1069 single-thread 3DMark score becomes the constraint, while the GPU's 38194 PassMark G3D score provides enormous rasterization headroom.

The RTX 4090's 82.58 TFLOPS FP32 compute versus the CPU's PassMark floating point score of 97943 illustrates the massive disparity between GPU and CPU compute capabilities. In GPU-compute workloads like rendering or machine learning, the GPU will dominate, and the CPU's role shifts to data preparation and feeding. Conversely, in CPU-bound tasks like physics simulation or logic-heavy games, the CPU's 24 threads provide ample capacity, and the GPU remains underutilized. The 1.01 TB/s GPU bandwidth versus the CPU's 83.2 GB/s memory bandwidth further highlights the GPU's data throughput advantage.

FAQ

Q: Does this combination support PCIe Gen 5 for storage?

A: Yes, the AMD Ryzen 9 7900 provides PCIe Gen 5 with 24 lanes from the CPU, enabling high-bandwidth NVMe storage or expansion cards. The RTX 4090 uses PCIe 4.0 x16, so the GPU does not consume Gen 5 lanes.

Q: What memory type does this platform require?

A: The Ryzen 9 7900 supports DDR5 memory in a dual-channel configuration with 83.2 GB/s bandwidth. ECC memory is also supported, providing error correction for workstation reliability.

Q: How does the CPU compare to the Intel Core i5-14600KF?

A: The Ryzen 9 7900 has an average benchmark score of 49228, which is 0.3% lower than the Intel Core i5-14600KF's 49394. The performance difference is negligible in synthetic benchmarks.

Q: Is the RTX 4090 still in production?

A: No, the NVIDIA GeForce RTX 4090 is marked as end-of-life, with the GeForce 50 series listed as its successor. The GPU remains available through existing inventory but is no longer actively produced.

Q: What power supply is recommended for this build?

A: The RTX 4090 has a 450 W TDP and the suggested PSU is 850 W. The CPU's 65 W TDP is modest, so the power supply requirement is driven primarily by the GPU.

Q: Does the CPU include integrated graphics?

A: Yes, the Ryzen 9 7900 includes Radeon Graphics, which can drive a display without a discrete GPU. This is useful for troubleshooting or basic desktop workloads.

Q: What is the GPU's memory bandwidth?

A: The RTX 4090 features 24 GB of GDDR6X memory on a 384-bit bus, delivering 1.01 TB/s bandwidth. This supports high-resolution textures and large datasets.

Who Should Build It

Gamers targeting 4K resolution with maximum detail settings will find this pairing well-suited, as the RTX 4090's 24 GB VRAM and 1.01 TB/s bandwidth provide ample headroom for high-resolution textures. Competitive gamers at 1080p or 1440p will benefit from the CPU's strong single-thread performance, with the 3DMark single-thread score of 1069 and 2-thread score of 2067 supporting high frame rates in esports titles.

Content creators working with video editing, 3D rendering, or visual effects will leverage the CPU's 12 cores and 24 threads for timeline processing and encoding, while the GPU's 82.58 TFLOPS FP32 compute accelerates render exports and effects. Software developers compiling large codebases will appreciate the Cinebench R23 multicore score of 24776, and data scientists running parallel computations will utilize the PassMark multithread score of 48347.

Students and small business workstations benefit from the platform's ECC memory support and integrated graphics, providing reliability and flexibility. The CPU's 65 W TDP keeps cooling requirements modest, while the GPU's triple-slot form factor requires a full-tower case. The 88th GPU percentile and 90th CPU percentile indicate this system handles demanding professional workloads, though the GPU's end-of-life status means buyers should consider future upgrade timing.

GPU Analysis

The NVIDIA GeForce RTX 4090 uses the AD102 chip built on TSMC's 5 nm process, containing 76,300 million transistors on a 609 mm² die with a transistor density of 125.3M per mm². The GPU operates at a base clock of 2235 MHz and boost clock of 2520 MHz, with memory running at 1313 MHz (21 Gbps effective). The 24 GB of GDDR6X memory on a 384-bit bus delivers 1.01 TB/s bandwidth, and the 16384 shading units, 512 TMUs, and 176 ROPs provide substantial rasterization throughput.

The Ada Lovelace architecture includes 128 RT cores and 512 tensor cores, enabling hardware-accelerated ray tracing and AI-based features. The pixel rate of 443.5 GPixel/s and texture rate of 1,290.2 GTexel/s indicate the GPU can fill frames at extremely high resolutions and detail levels. The FP32 compute of 82.58 TFLOPS (with FP16 at 1:1 ratio) provides leading-edge compute performance for rendering, simulation, and machine learning tasks.

PassMark G3D score of 38194 places the GPU in the 88th percentile, while the Geekbench OpenCL score of 255416 and Vulkan score of 271631 indicate strong cross-API performance. The 3DMark Steel Nomad DX12 score of 9223 demonstrates modern game workload efficiency. The nearest rivals show the GPU sits in a competitive cluster: the Intel Arc Pro A60 scores 60326 (0% delta), the AMD Radeon Pro Vega 48 scores 60140 (0.3% behind), the AMD Radeon Pro W6600M scores 61896 (2.5% ahead), and the AMD Radeon PRO V710 scores 58657 (2.9% behind). The GPU's 450 W TDP requires robust cooling and an 850 W PSU, and its triple-slot design with 304 mm length demands a spacious case.

Build Overview

This desktop build combines the AMD Ryzen 9 7900 with the NVIDIA GeForce RTX 4090, representing a high-end enthusiast configuration. The CPU's 90th percentile ranking and the GPU's 88th percentile ranking produce a combined 89th percentile overall, indicating this system outperforms the vast majority of desktop configurations. The CPU's 12 cores and 24 threads from the Zen 4 architecture provide strong multi-threaded capability, while the GPU's 24 GB VRAM and 82.58 TFLOPS compute deliver flagship graphics performance.

The platform uses AMD Socket AM5, which supports DDR5 memory and PCIe Gen 5, ensuring modern connectivity standards. The CPU's 65 W TDP is remarkably efficient for the core count, while the GPU's 450 W TDP dominates system power requirements. The pairing is balanced for high-resolution gaming and professional workloads, though the GPU's end-of-life status and 850 W PSU requirement are important considerations. The CPU's unlocked multiplier and integrated graphics add flexibility, while the GPU's 512 tensor cores provide AI acceleration.

Benchmark Performance

The AMD Ryzen 9 7900 achieves an average benchmark score of 49228, placing it at the 90th percentile of all CPUs. Its nearest rival, the Intel Core i5-14600KF, scores 49394, just 0.3% higher, while the AMD Ryzen 7 PRO 5755G scores 49196 at 0.1% lower. The Intel Core Ultra 5 245 scores 48995 at 0.5% lower, and the Intel Xeon Gold 5318H scores 48698 at 1.1% lower. The CPU's Cinebench R23 multicore score of 24776 and single-core score of 1966 demonstrate balanced performance, while the PassMark multithread score of 48347 confirms strong parallel throughput.

The NVIDIA GeForce RTX 4090 achieves an average benchmark score of 60347, placing it at the 88th percentile of all GPUs. The Intel Arc Pro A60 matches with 60326 at 0% delta, while the AMD Radeon Pro Vega 48 scores 60140 at 0.3% lower. The AMD Radeon Pro W6600M scores 61896 at 2.5% higher, and the AMD Radeon PRO V710 scores 58657 at 2.9% lower. The GPU's PassMark G3D score of 38194 and 3DMark Steel Nomad score of 9223 provide concrete performance anchors.

Combined, this CPU+GPU pairing achieves the 89th percentile of all desktop configurations, with no measured FPS data available for direct game performance comparison. The CPU's 3DMark scores across thread counts (10056 at 16 threads, 7454 at 8 threads, 3994 at 4 threads, 2067 at 2 threads, 1069 at 1 thread) show scaling that keeps pace with the GPU's capabilities. The Geekbench multicore score of 17726 and PassMark integer math score of 164075 reinforce the CPU's compute strength, while the GPU's Geekbench OpenCL score of 255416 and Vulkan score of 271631 demonstrate its API versatility. This pairing represents a top-tier desktop system for gaming, content creation, and professional workloads, with the CPU providing ample thread capacity and the GPU delivering flagship graphics compute.

Rate My PC: AMD Ryzen 9 7900 + NVIDIA GeForce RTX 4090

Apex Performer

System Balance Analysis

AMD Ryzen 9 7900

NVIDIA GeForce RTX 4090

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

Gaming Performance

Upgrade Path and Platform

CPU Analysis

Balance and Bottleneck

FAQ

Who Should Build It

GPU Analysis

Build Overview

Benchmark Performance

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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