SYSTEM ANALYZER

Rate My PC: Intel Core i9-12900KF + NVIDIA GeForce RTX 3090

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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

93%

GPU

93%

PROCESSOR

Intel Core i9-12900KF

42,830 Benchmark Score

Top 7% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 3090

27,565 Benchmark Score

Top 7% 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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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 3090

This pairing combines Intel’s 16-core Alder Lake flagship with NVIDIA’s 24 GB Ampere heavyweight in a desktop build that lands at the 81st combined percentile across all CPU+GPU combinations. The CPU alone sits at the 88th percentile among all processors, while the GPU holds the 73rd percentile among all graphics cards, making this a system that is considerably stronger on the compute side than on the graphics side. No measured FPS rows exist for this exact combination in the database, so all frame rate discussion that follows is estimated from the benchmark scores rather than direct testing.

FAQ

Q: What are the core and thread counts of the Intel Core i9-12900KF?

A: The processor has 16 cores and 24 threads, built on the Alder Lake architecture with a 10 nm process node from Intel. It runs at a 3.20 GHz base clock and boosts up to 5.20 GHz.

Q: How much memory does the RTX 3090 have and what type is it?

A: The GPU features 24 GB of GDDR6X memory on a 384-bit bus, delivering 936.2 GB/s of bandwidth. This is paired with a 350 W TDP and a suggested 750 W power supply.

Q: Does the i9-12900KF have integrated graphics?

A: No, the “KF” designation means the chip lacks integrated graphics. The fact pack lists no integrated graphics unit for this processor, so a discrete GPU is mandatory for display output.

Q: What socket does the i9-12900KF use and what memory does it support?

A: It uses Intel Socket 1700 and supports both DDR4 and DDR5 memory in a dual-channel configuration. The CPU provides Gen 4 PCIe with 20 lanes.

Q: How does the i9-12900KF compare to the i9-12900K in benchmark scores?

A: The i9-12900KF has an average benchmark score of 42830, which is 1.2% higher than the i9-12900K’s 42335. It trails the standard i9-12900 by 0.2% and the Core Ultra 9 386H by 0.9%.

Q: What is the RTX 3090’s standing relative to other GPUs?

A: The GPU sits at the 73rd percentile among all graphics cards, with an average benchmark score of 27565. Its closest rival is the RTX 4070 Mobile at 27435 (0.5% behind), while the AMD Radeon RX 6700 XT scores 27425 (0.5% behind).

Q: Is there measured gaming data for this specific CPU+GPU pairing?

A: No, the fact pack contains no measured FPS rows for this combination. All gaming performance figures discussed in this analysis are estimates derived from the CPU and GPU benchmark scores.

Balance and Bottleneck

The data shows a system where the CPU substantially outperforms the GPU in relative standing. The i9-12900KF’s 88th percentile among all CPUs is fifteen points higher than the RTX 3090’s 73rd percentile among GPUs. This imbalance suggests that in most gaming workloads, the GPU will be the limiting factor, especially at higher resolutions where pixel throughput dominates. The CPU’s 16 cores and 24 threads provide ample headroom for even heavily threaded game engines, while the GPU’s compute capability, while strong, is not in the same elite tier as the processor.

The benchmark scores reinforce this interpretation. The CPU achieves a 3DMark max-threads score of 11586 and a Cinebench R23 multicore score of 34420, both indicating exceptional multi-threaded processing power. The GPU’s PassMark G3D score of 26645 and 3DMark Steel Nomad DX12 score of 5118 are respectable but place it closer to mid-pack competitors like the RTX 4070 Mobile (27435) and RX 6700 XT (27425). In CPU-bound scenarios such as competitive shooters at low resolutions or physics-heavy simulations, the processor will rarely bottleneck. In GPU-bound scenarios like 4K gaming or ray-traced workloads, the graphics card becomes the constraint, which is the expected behavior for a balanced gaming system at high resolutions.

For content creation and productivity, the balance shifts toward the CPU being the dominant contributor. The processor’s PassMark multithread score of 40970 and Geekbench multicore score of 18113 indicate that rendering, encoding, and compilation tasks will scale well across its 24 threads. The GPU’s compute capability, measured at 15356 in PassMark GPU compute, adds acceleration for GPU-accelerated filters and effects but is not the primary driver in most productivity workflows. The combined percentile of 81 reflects a pairing where the CPU lifts the overall system tier more than the GPU does.

CPU Analysis

The Intel Core i9-12900KF is a 16-core, 24-thread processor based on the Alder Lake architecture, fabricated on Intel’s 10 nm process with a die size of 215 mm². It features a hybrid design, though the fact pack does not specify the exact P-core/E-core split; what is clear is that the chip delivers 80 KB of L1 cache per core, 1.25 MB of L2 per core, and 30 MB of shared L3 cache. The base clock of 3.20 GHz and boost clock of 5.20 GHz position it as a high-frequency part, with the multiplier unlocked for enthusiast overclocking.

Benchmark results show a processor that excels across the board. The Cinebench R23 multicore score of 34420 places it firmly in high-end desktop territory, while the single-core score of 4859 demonstrates strong per-thread performance for legacy and lightly threaded workloads. Geekbench scores of 18113 multicore and 2361 single-core align with this picture. The 3DMark thread scaling is particularly informative: 2 threads score 2112, 4 threads score 4132, 8 threads score 7551, 16 threads score 9860, and max threads score 11586. The scaling from 8 to 16 threads shows a 30.5% improvement, and from 16 to max threads an additional 17.5%, indicating that the processor continues to gain performance beyond 16 threads, which is relevant for heavily parallel workloads.

The PassMark suite reveals specific strengths. Integer math scores 138932, floating-point math scores 105558, and extended instructions score 33779, suggesting robust general-purpose compute. Data encryption scores 29502 and compression scores 537785, both strong figures for workstation tasks. The single-thread PassMark score of 4144 confirms the processor’s high clock speed translates to real-world single-core performance. The average benchmark score of 42830 places it slightly above the i9-12900K (42335) and just below the i9-12900 (42906), with a 0.8% lead over the i9-12950HX (42487). The 88th percentile among all CPUs means this processor outperforms the vast majority of installed hardware, making it a top-tier choice for compute-heavy applications.

Who Should Build It

This system targets users who need maximum multi-threaded CPU performance with strong, though not elite, GPU acceleration. Gamers playing at 2560x1440 or 4K resolution will find the CPU rarely limits frame rates, though the RTX 3090’s 73rd percentile means it is more of a high-end mainstream card than a top-tier halo product. Content creators working with video editing, 3D rendering, or software compilation will benefit most from the CPU’s 24 threads and high benchmark scores. The Cinebench R23 multicore score of 34420 and Geekbench multicore score of 18113 indicate the processor can handle demanding render workloads, while the GPU’s 24 GB of VRAM provides ample memory for large textures and complex scenes.

Developers compiling large codebases will see strong performance from the PassMark integer math score of 138932 and the 3DMark 16-thread score of 9860, which reflects good scaling across the cores. Students in engineering or computer science programs will find the system capable of handling simulation software and parallel computing assignments, though the $564 launch MSRP of the CPU and $1,499 launch MSRP of the GPU place this firmly outside entry-level territory. Small business workstations running data analysis, financial modeling, or scientific computing will benefit from the CPU’s high multithread percentile and the GPU’s compute capability, though the end-of-life production status of the RTX 3090 means buyers should verify availability.

The build is less suited for users whose primary workload is GPU-bound gaming at 1080p, where the CPU would be underutilized relative to its cost, or for those needing top-tier ray tracing performance, where the RTX 3090’s 73rd percentile suggests more capable options exist. The 81st combined percentile indicates this is a high-end system, but not the absolute top tier.

Benchmark Performance

The CPU’s average benchmark score of 42830 places it at the 88th percentile among all processors. Its closest competitors are the i9-12900 at 42906 (0.2% faster), the Core Ultra 9 386H at 43210 (0.9% faster), the i9-12950HX at 42487 (0.8% slower), and the i9-12900K at 42335 (1.2% slower). The deltaPct values show the i9-12900KF is effectively tied with its closest rivals, with performance differences under 1.2% in either direction. The GPU’s average benchmark score of 27565 places it at the 73rd percentile among all GPUs. Its nearest rivals are the RTX 4070 Mobile at 27435 (0.5% slower), the RX 6700 XT at 27425 (0.5% slower), the Radeon Pro Vega 20 at 27839 (1.0% faster), and the RX 7800M at 27883 (1.1% faster). The GPU is therefore clustered tightly with mid-range competitors, despite its 24 GB memory capacity.

The combined picture shows a desktop system at the 81st percentile overall. The CPU’s specific benchmark highlights include a Cinebench R20 multicore score of 14456, a Cinebench R15 multicore score of 3469, a PassMark multithread score of 40970, and a 3DMark max-threads score of 11586. The GPU’s notable scores include a PassMark G3D of 26645, a Geekbench OpenCL of 172758, a Geekbench Vulkan of 53927, and a 3DMark Steel Nomad DX12 of 5118. The CPU’s single-thread PassMark of 4144 and Geekbench single-core of 2361 confirm strong per-core performance, while the GPU’s PassMark DirectX 12 score of 110 and DirectX 11 score of 220 are modest figures that reflect the card’s age relative to newer architectures.

Usage Scenarios

High-refresh gaming: At 1080p with a high-refresh monitor, the CPU’s 5.20 GHz boost clock and PassMark single-thread score of 4144 will keep frame rates high in CPU-bound titles, though the GPU’s 73rd percentile means it will cap performance in more demanding games. The 3DMark 8-thread score of 7551 indicates solid scaling for modern game engines that use eight or more threads.

Streaming: The CPU’s 24 threads provide ample headroom for encoding while gaming. The PassMark data compression score of 537785 suggests fast handling of stream data, while the GPU’s 24 GB VRAM and 936.2 GB/s bandwidth can handle high-bitrate encoding offload if enabled.

Video editing: The Cinebench R23 multicore score of 34420 accelerates timeline rendering and export in applications that use the CPU, while the GPU’s PassMark GPU compute score of 15356 assists with effects and color grading. The 24 GB VRAM allows working with 4K and 8K footage without exceeding memory limits.

3D rendering: CPU-based renderers will see strong performance from the Geekbench multicore score of 18113 and PassMark floating-point math score of 105558. GPU-accelerated renderers benefit from the RTX 3090’s 35.58 TFLOPS FP32 performance and 82 RT cores for ray-traced scenes.

Software development: Compilation tasks scale well with the processor’s 16 cores and 24 threads, as evidenced by the 3DMark 16-thread score of 9860 and max-threads score of 11586. The PassMark integer math score of 138932 suggests fast handling of integer-heavy code.

Student and office work: Standard productivity applications will run smoothly, with the CPU’s single-thread PassMark of 4144 ensuring responsive day-to-day use. The system is overkill for typical office tasks, but the 81st combined percentile means it will handle any academic software without slowdowns.

Gaming Performance

The fact pack contains no measured FPS data for this CPU+GPU combination, so all frame rate figures below are estimates derived from the benchmark scores. The CPU’s 88th percentile and the GPU’s 73rd percentile suggest a system that will perform well at 1440p and 4K resolutions, where the GPU is the limiting factor. At 1080p, the CPU’s strong single-thread performance (PassMark 4144, Geekbench 2361) should allow high frame rates in esports titles, though the GPU’s mid-pack standing among rivals like the RTX 4070 Mobile and RX 6700 XT indicates it will not match top-tier cards in raw rasterization. The GPU’s 24 GB VRAM and 936.2 GB/s bandwidth provide ample memory bandwidth for high-resolution textures and ray-traced effects, supported by the 82 RT cores and 328 tensor cores. The 3DMark Steel Nomad DX12 score of 5118 suggests competent DirectX 12 performance, while the PassMark DirectX 11 score of 220 and DirectX 10 score of 182 indicate legacy API performance that is adequate but not exceptional. For modern titles at 1440p ultra settings, expect frame rates in the range typical of a 73rd-percentile GPU; at 4K, the 24 GB memory capacity helps maintain performance in VRAM-heavy games, but the overall GPU tier will cap maximum frame rates below those of higher-percentile cards.

Upgrade Path and Platform

The Intel Socket 1700 platform supports DDR4 and DDR5 memory in dual-channel configuration, giving builders flexibility in memory choice. The CPU provides 20 PCIe Gen 4 lanes, while the GPU uses a PCIe 4.0 x16 interface, so the RTX 3090 operates at full bandwidth. The system requires a 750 W power supply, as suggested by the GPU’s power requirements, and the CPU has a 125 W TDP, leaving headroom for overclocking given the unlocked multiplier. The RTX 3090 is listed as end-of-life with a triple-slot design measuring 336 mm in length, so case compatibility is a consideration. The GPU uses a single 12-pin power connector, which may require an adapter for standard power supplies. A sensible next upgrade would be replacing the GPU with a newer card in a higher percentile tier, as the CPU’s 88th percentile leaves room for a more capable graphics partner. Alternatively, adding a second RTX 3090 for compute workloads is theoretically possible given the PCIe Gen 4 lanes, though the 350 W TDP per card would require a larger power supply than the suggested 750 W. The platform supports DDR5 memory, so upgrading from DDR4 to DDR5 would provide a memory bandwidth improvement, though the fact pack does not specify bandwidth numbers for either memory type.

Build Overview

This is a desktop build combining the Intel Core i9-12900KF with the NVIDIA GeForce RTX 3090. The CPU is a 16-core, 24-thread Alder Lake processor with a 5.20 GHz boost clock, released in November 2021 with a launch MSRP of $564. The GPU is a 24 GB GDDR6X Ampere card with a 350 W TDP, released in August 2020 with a launch MSRP of $1,499. The combined percentile of 81 places this system in the upper tier of all CPU+GPU pairings, though the significant gap between the CPU’s 88th percentile and the GPU’s 73rd percentile means the graphics card is the weaker component. The CPU’s average benchmark score of 42830 and the GPU’s average score of 27565 together produce a system that excels at multi-threaded compute tasks, gaming at high resolutions, and content creation workloads. The build class is desktop, confirming this is a stationary system intended for performance-intensive use rather than portability. For users prioritizing CPU-heavy workloads, this pairing offers exceptional value in processing power, while those seeking balanced high-end gaming should note the GPU’s mid-pack standing among its rivals. The end-of-life status of the RTX 3090 means this configuration is best assembled from existing stock or second-hand components, and the overall tier reflects a capable but not top-of-the-line graphics solution paired with a genuinely elite processor.

Rate My PC: Intel Core i9-12900KF + NVIDIA GeForce RTX 3090

Apex Performer

System Balance Analysis

Intel Core i9-12900KF

NVIDIA GeForce RTX 3090

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

Balance and Bottleneck

CPU Analysis

Who Should Build It

Benchmark Performance

Usage Scenarios

Gaming Performance

Upgrade Path and Platform

Build Overview

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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