SYSTEM ANALYZER

Rate My PC: Intel Core i9-12900KF + NVIDIA GeForce RTX 5090

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Build Configuration

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PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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95 Score

Top 5% Ranking

95 / 100

ULTIMATE READY

Apex Performer

Top 5% 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

93%

GPU

98%

PROCESSOR

Intel Core i9-12900KF

42,830 Benchmark Score

Top 7% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 5090

79,842 Benchmark Score

Top 2% 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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Real-world 4K FPS in popular titles

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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

# Intel Core i9-12900KF + NVIDIA GeForce RTX 5090: A High-End Desktop Analysis

This pairing combines a 16-core, 24-thread Intel Alder Lake processor with NVIDIA's flagship Blackwell 2.0 GPU, creating a desktop configuration that sits at the 90th percentile overall among all CPU+GPU combinations. The CPU holds an 88th percentile ranking against all CPUs, while the GPU ranks in the 92nd percentile against all GPUs, making this a top-tier build for demanding workloads. The data in this analysis is based solely on synthetic benchmark scores; there are no measured FPS rows for this exact combination in the FACT PACK, so all gaming performance discussions are estimates derived from the component scores.

FAQ

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

A: The build achieves a combined percentile of 90, meaning it outperforms 90% of all recorded desktop configurations in the database.

Q: How does the Core i9-12900KF compare to its closest rival, the Core i9-12900?

A: The 12900KF has an average benchmark score of 42,830, which is 0.2% lower than the 12900's 42,906. This places the KF essentially at parity with the non-K variant.

Q: What is the GPU's memory configuration?

A: The RTX 5090 features 32 GB of GDDR7 memory on a 512-bit bus, delivering 1.79 TB/s of bandwidth. The memory clock runs at 1750 MHz, which translates to 28 Gbps effective.

Q: Does the CPU support DDR5 memory?

A: Yes, the Core i9-12900KF supports both DDR4 and DDR5 memory types through its dual-channel memory bus. However, it does not support ECC memory.

Q: What is the TDP of each component?

A: The CPU has a TDP of 125 W, while the GPU has a TDP of 575 W. The suggested power supply for this combination is 950 W.

Q: How does the RTX 5090's average score compare to the AMD Radeon RX 6850M XT?

A: The RTX 5090 has an average benchmark score of 79,842, which is 1.1% higher than the RX 6850M XT's 78,940. The RTX 5090 also sits 1.4% below the AMD Radeon Pro Vega 64X's 80,959.

Q: What is the process node for each chip?

A: The Intel CPU is manufactured on a 10 nm process at Intel foundries, while the NVIDIA GPU uses a 5 nm process at TSMC.

Benchmark Performance

The CPU's Cinebench R23 multicore score of 34,420 demonstrates substantial multi-threaded capability, while the single-core score of 4,859 indicates strong per-thread performance. In 3DMark tests, the processor scales from a single-thread score of 1,069 to 9,860 at 16 threads and peaks at 11,586 at maximum threads. This scaling pattern shows the hybrid architecture working efficiently, with the 8 performance cores and 8 efficiency cores combining to deliver strong throughput across both lightly-threaded and heavily-threaded workloads.

Geekbench results reinforce this picture: a single-core score of 2,361 and multicore score of 18,113. PassMark tests show the CPU excelling in integer math with 138,932 points and floating-point math with 105,558 points, while data compression reaches 537,785 points. The multithread PassMark score of 40,970 places the chip at the 88th percentile of all CPUs, with an average benchmark score of 42,830.

For the GPU, the 3DMark Steel Nomad DX12 score of 18,355 stands as a key metric for modern DirectX 12 gaming. Geekbench OpenCL and Vulkan scores of 334,370 and 376,728 respectively indicate strong compute performance across both APIs. The PassMark G3D score of 39,650 represents a high-end graphics card tier, while the G2D score of 1,413 is more modest, reflecting that 2D performance is rarely a bottleneck in modern systems. GPU compute in PassMark reaches 26,756 points.

The GPU's 92nd percentile ranking against all GPUs, with an average score of 79,842, places it in the upper echelon of graphics hardware. When combined with the CPU's 88th percentile, the pairing yields a combined 90th percentile ranking. The nearest rival comparisons show the CPU trailing the Core i9-12900 by just 0.2% and the Core Ultra 9 386H by 0.9%, while leading the Core i9-12950HX by 0.8% and the Core i9-12900K by 1.2%. The GPU leads the Tesla P100 PCIe 16 GB by 0.3% and the RX 6850M XT by 1.1%, while trailing the Radeon Pro Vega 64X by 1.4%.

Balance and Bottleneck

The data reveals a configuration where the CPU and GPU are relatively well matched, but with distinct workload-dependent behavior. The CPU's 88th percentile and GPU's 92nd percentile suggest the GPU holds a slight edge in raw performance headroom, meaning in most gaming scenarios the processor is likely to be the limiting factor, particularly at lower resolutions where CPU-bound rendering queues dominate.

Looking at the 3DMark thread scaling results, the CPU shows strong scaling from 2 threads (2,112) to 8 threads (7,551), then more gradual gains to 16 threads (9,860) and max threads (11,586). This suggests that games utilizing 8 or fewer threads will see the CPU performing well below its maximum potential, and the RTX 5090's immense graphics power will likely outpace the CPU's per-thread capabilities in such titles.

The PassMark physics score of 2,098 and single-thread score of 4,144 are moderate, while the floating-point and integer math scores are strong. For GPU-bound workloads like 4K gaming or ray tracing, the RTX 5090's 104.8 TFLOPS FP32 performance and 170 RT cores will dominate, making the GPU the primary contributor to frame rates. Conversely, in CPU-heavy tasks like physics simulations or data compression (537,785 in PassMark), the processor takes the lead role.

Since no measured FPS data exists for this exact pairing, the balance assessment relies on the relative percentiles. The 4-point gap between the GPU's 92nd percentile and CPU's 88th percentile indicates that, on average, the GPU has more headroom. For 1080p or 1440p high-refresh gaming, the CPU is more likely to limit maximum FPS, while at 4K the GPU becomes the definitive constraint.

Who Should Build It

This configuration targets users who demand top-tier performance across both productivity and entertainment workloads. Gamers playing at 1440p or 4K resolutions will benefit from the RTX 5090's massive 32 GB VRAM and 1.79 TB/s bandwidth, which handle high-resolution textures and ray tracing without memory pressure. The CPU's 16 cores and 24 threads provide enough processing power for modern AAA titles that scale beyond 8 threads.

Content creators working with video editing, 3D rendering, or visual effects will find the combination compelling. The CPU's Cinebench R23 multicore score of 34,420 and PassMark multithread score of 40,970 support smooth timeline scrubbing and faster export times, while the GPU's 104.8 TFLOPS FP32 compute accelerates GPU-accelerated effects and renderers.

Software developers compiling large codebases or running virtual machines will appreciate the 16 cores and 24 threads, along with the 30 MB shared L3 cache. The PassMark data encryption score of 29,502 and extended instructions score of 33,779 indicate strong performance for security-related workloads and modern instruction set usage.

Students and small business users are not the primary audience for this build, given its high performance tier, but those who need a workstation capable of handling simulation, data analysis, or CAD work will find the CPU's math scores (138,932 integer, 105,558 floating-point) and the GPU's compute capabilities sufficient for demanding academic or professional applications.

CPU Analysis

The Intel Core i9-12900KF is a 16-core, 24-thread processor based on the Alder Lake architecture, built on Intel's 10 nm process. It operates with a base clock of 3.20 GHz and a boost clock of 5.20 GHz, with a TDP of 125 W. The chip uses the Intel Socket 1700 interface and supports dual-channel DDR4 and DDR5 memory, though ECC memory is not supported.

The cache hierarchy consists of 80 KB of L1 per core, 1.25 MB of L2 per core, and 30 MB of shared L3 cache. The die size is 215 mm², and the processor provides 20 PCIe Gen 4 lanes from the CPU. The multiplier is unlocked, allowing overclocking, and the chip was released on November 3, 2021 with a launch MSRP of $564.

Benchmark performance shows a processor that scales well across different thread counts. The 3DMark single-thread score of 1,069 and 2-thread score of 2,112 indicate solid single-core performance, while the 8-thread score of 7,551 and max-thread score of 11,586 demonstrate strong multi-core scaling. Cinebench R20 scores of 2,040 single-core and 14,456 multi-core reinforce this, with R23 multi-core reaching 34,420.

For real-world workloads, these numbers translate to responsive application performance in single-threaded tasks like web browsing or office applications, and substantial throughput in multi-threaded tasks like video encoding, 3D rendering, and compilation. The PassMark find prime numbers score of 142 is notably modest, but this is a highly specific test that doesn't reflect typical workloads. The PassMark single-thread score of 4,144 and multithread score of 40,970 place the CPU in the top 12% of all processors.

Usage Scenarios

High-refresh gaming: At 1080p or 1440p with a high-refresh monitor, the CPU's single-thread score of 1,069 in 3DMark and 4,859 in Cinebench R23 single-core should push high frame rates, though the RTX 5090's immense power may outpace the CPU in lighter titles. The GPU's 92nd percentile ranking suggests it will deliver excellent frame rates, but the CPU's 88th percentile may be the ceiling in CPU-bound scenarios.

Streaming: The CPU's 16 cores and 24 threads provide ample headroom for encoding while gaming. The PassMark data compression score of 537,785 indicates fast processing of stream data, and the multithread score of 40,970 suggests the CPU can handle both game logic and encoding tasks simultaneously without major frame drops.

Video editing: Cinebench R23 multicore score of 34,420 supports quick export times, while the GPU's 32 GB VRAM allows for smooth timeline playback of high-resolution footage. The Geekbench OpenCL score of 334,370 indicates the GPU can accelerate effects and color grading tasks, reducing render times in GPU-accelerated editors.

3D rendering: The CPU's 16 cores and 24 threads, combined with a PassMark multithread score of 40,970, provide solid CPU-based rendering performance. The GPU's 104.8 TFLOPS FP32 and 26,756 PassMark GPU compute score enable GPU-accelerated rendering engines to leverage the RTX 5090's massive compute throughput for significantly faster frame renders.

Software development: Compilation tasks benefit from the CPU's high core count and 30 MB L3 cache. The PassMark integer math score of 138,932 and extended instructions score of 33,779 suggest strong performance for code compilation and modern instruction-intensive workloads, while the 24 threads allow for parallel builds.

Student and office work: This configuration is far beyond the requirements for typical productivity tasks. The CPU's single-thread performance of 4,144 in PassMark ensures snappy application launches and spreadsheet calculations, while the GPU's capabilities are wasted on basic office workloads. The 125 W CPU TDP and 575 W GPU TDP mean this build consumes substantial power even during light use.

GPU Analysis

The NVIDIA GeForce RTX 5090 is a flagship graphics card based on the Blackwell 2.0 architecture, using the GB202 chip manufactured on TSMC's 5 nm process. It contains 92,200 million transistors on a 750 mm² die, with a transistor density of 122.9 million per mm². The card operates at a base clock of 2017 MHz and boosts to 2407 MHz, with a TDP of 575 W and a suggested power supply of 950 W.

Memory configuration consists of 32 GB of GDDR7 on a 512-bit bus, delivering 1.79 TB/s bandwidth. The memory clock is 1750 MHz, or 28 Gbps effective. The card has 21,760 shading units, 680 texture mapping units, and 176 raster operation units, along with 170 RT cores and 680 tensor cores.

Compute capabilities are substantial: FP32 performance reaches 104.8 TFLOPS, with FP16 at the same 104.8 TFLOPS (1:1 ratio). Pixel rate is 423.6 GPixel/s and texture rate is 1,636.8 GTexel/s. The card supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, and connects via PCIe 5.0 x16.

Benchmark results show a GPU that excels in both gaming and compute tasks. The 3DMark Steel Nomad DX12 score of 18,355 demonstrates strong DirectX 12 gaming performance. Geekbench Vulkan score of 376,728 is higher than OpenCL's 334,370, suggesting the card performs particularly well in Vulkan-based applications. PassMark G3D score of 39,650 places it in the high-end tier, while the G2D score of 1,413 is comparatively low but rarely relevant for gaming.

The GPU's 92nd percentile ranking against all GPUs, with an average score of 79,842, confirms its position among the fastest graphics hardware available. The nearest rival comparisons show it trading places with professional Tesla cards and high-end mobile GPUs, though the 32 GB VRAM and 1.79 TB/s bandwidth give it a substantial advantage for large datasets and high-resolution textures.

Build Overview

This desktop configuration pairs the Intel Core i9-12900KF with the NVIDIA GeForce RTX 5090, representing a high-end gaming and workstation combination. The build class is desktop, and the combined percentile of 90 places it in the top 10% of all recorded configurations.

The CPU, released in November 2021 with a launch MSRP of $564, offers 16 cores and 24 threads with a 125 W TDP. It supports DDR4 and DDR5 memory and uses the Intel Socket 1700 platform. The GPU, released in January 2025 with a launch MSRP of $1,999 USD, provides 32 GB of GDDR7 memory and a 575 W TDP, requiring a 950 W power supply.

The combined performance tier is high-end, with the GPU slightly outperforming the CPU in relative terms (92nd vs 88th percentile). This creates a system that is well-suited for demanding gaming at high resolutions, content creation, and compute-heavy workloads, though the 4-point percentile gap suggests the CPU may be the first component to require an upgrade in future years.

Upgrade Path and Platform

The CPU uses the Intel Socket 1700 platform, which supports DDR4 and DDR5 memory through a dual-channel memory bus. The CPU provides 20 PCIe Gen 4 lanes, while the GPU uses PCIe 5.0 x16 interface, meaning the graphics card's bandwidth is not constrained by the CPU's older PCIe generation. The platform does not support ECC memory, which limits its use in certain workstation environments.

The suggested power supply of 950 W provides headroom for the 125 W CPU and 575 W GPU, leaving approximately 250 W for other components like storage, cooling, and motherboard circuitry. This is adequate for the current configuration but leaves limited room for adding power-hungry peripherals or overclocking both components simultaneously.

For future upgrades, the CPU's unlocked multiplier allows overclocking to extend its useful life, and the Socket 1700 platform supports other 12th-gen processors that could offer more cores if needed. However, the platform's PCIe Gen 4 support may become a bottleneck for future high-end GPUs that utilize PCIe Gen 5 bandwidth more fully. The GPU's successor, listed as GeForce 60, would require a newer platform to avoid potential bandwidth limitations.

The most sensible next upgrade path would be to a newer CPU platform that supports PCIe Gen 5 natively, while retaining the RTX 5090 until a GPU upgrade becomes necessary. Alternatively, adding more DDR5 memory (the current platform supports dual-channel) could improve performance in memory-sensitive workloads, though the 30 MB L3 cache already mitigates some memory latency concerns. The 16-pin power connector on the GPU and 950 W PSU recommendation should be verified against any future PSU upgrades, as higher-capacity units may use different connector configurations.

Rate My PC: Intel Core i9-12900KF + NVIDIA GeForce RTX 5090

Apex Performer

System Balance Analysis

Intel Core i9-12900KF

NVIDIA GeForce RTX 5090

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

FAQ

Benchmark Performance

Balance and Bottleneck

Who Should Build It

CPU Analysis

Usage Scenarios

GPU Analysis

Build Overview

Upgrade Path and Platform

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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