SYSTEM ANALYZER

Rate My PC: Intel Core i9-12900K + NVIDIA GeForce RTX 4090 D

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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

93%

GPU

99%

PROCESSOR

Intel Core i9-12900K

42,335 Benchmark Score

Top 7% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 4090 D

178,050 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

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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

# Intel Core i9-12900K + NVIDIA GeForce RTX 4090 D

This desktop pairing combines Intel's 12th-generation flagship processor with NVIDIA's top-tier Ada Lovelace GPU, creating a system that sits in the 93rd combined percentile across all CPU+GPU pairings. The i9-12900K delivers an average benchmark score of 42,335, placing it in the 88th percentile among all CPUs, while the RTX 4090 D achieves an average score of 178,050, ranking in the 98th percentile among all GPUs. This is a high-end desktop configuration built around a 16-core, 24-thread hybrid architecture processor and a 24 GB GDDR6X graphics card with a 384-bit memory bus, engineered for maximum throughput across both productivity and gaming workloads.

CPU Analysis

The Intel Core i9-12900K is built on the Alder Lake-S architecture using Intel's 10 nm process node, with a die size of 215 mm². It features 16 cores and 24 threads, combining performance and efficiency cores in a hybrid design that allows the operating system to schedule workloads appropriately. The base clock runs at 3.20 GHz with a boost clock reaching 5.20 GHz, and the processor carries a TDP of 125 W. Memory support spans both DDR4 and DDR5 across a dual-channel bus, providing 76.8 GB/s of memory bandwidth, and the CPU offers PCIe Gen 5 with 16 lanes available from the processor itself. The integrated UHD Graphics 770 provides basic display output capabilities, while ECC memory support is included for workstation-oriented builds.

Benchmark data reveals a processor that scales strongly with thread count. In 3DMark testing, the 2-thread score is 2,120, rising to 4,145 at 4 threads, 7,596 at 8 threads, 9,912 at 16 threads, and reaching 11,620 at maximum threads. This scaling pattern shows the hybrid architecture working effectively, with the efficiency cores contributing meaningful additional throughput beyond the first eight threads. Single-thread performance in 3DMark is 1,073, while Cinebench R23 results show 2,004.5 in single-core and 26,125 in multi-core. The multi-core advantage over single-core is roughly 13x, indicating excellent parallel scaling for heavily threaded applications.

Geekbench results reinforce this picture: a single-core score of 2,193 and a multi-core score of 16,378. The multi-core result is approximately 7.5x higher than single-core, reflecting the combined output of all 24 threads. PassMark testing shows particularly strong integer math performance at 139,090, floating-point math at 105,471, and data compression at 537,341. Data encryption scores 29,579, extended instructions reach 33,682, and random string sorting hits 57,094. Multithread performance in PassMark is 41,213, with single-thread at 4,136. Physics simulation scores 2,219, and prime number finding is 147.

Compared to its nearest rivals, the i9-12900K sits in a tight performance cluster. The Intel Core i9-12950HX averages 42,487, just 0.4% higher. The AMD Ryzen 5 7400 scores 42,055, a 0.7% deficit to this chip. The AMD Ryzen 9 PRO 8945HS and Intel Core i7-14700T trail by 0.9% and 1.0% respectively. This means the 12900K is effectively trading blows with modern mid-range and mobile flagship parts, though its desktop socket and unlocked multiplier make it a different class of component for overclocking and sustained workloads.

The 16-core design with 30 MB of shared L3 cache and 1.25 MB L2 per core positions this CPU for content creation, software compilation, and scientific computing. The 24 threads ensure that heavily parallel tasks see substantial gains, while the 5.20 GHz boost clock keeps lightly threaded applications responsive. The 88th percentile ranking among all CPUs confirms this is a top-tier processor, even several generations after its release.

Gaming Performance

No measured FPS rows exist for this exact CPU+GPU combination, so all frame rate discussion is estimated from the benchmark scores and component capabilities. The data is not measured for this specific pairing, and readers should treat any FPS figures as approximations based on the underlying hardware strengths.

The RTX 4090 D's 98th percentile GPU ranking and the i9-12900K's 88th percentile CPU ranking suggest this pairing is capable of extremely high frame rates at any resolution. With 24 GB of GDDR6X memory and 1.01 TB/s of bandwidth, the GPU can feed massive texture loads and high-resolution assets without bottlenecking. The CPU's single-thread score of 4,136 in PassMark and 2,004.5 in Cinebench R23 indicate strong per-core performance that can drive high refresh rate gaming at 1080p and 1440p, where CPU overhead is more significant.

At 4K resolution, the GPU becomes the primary determinant of frame rates, and the RTX 4090 D's raw compute power — 73.54 TFLOPS of FP32 performance — positions it as one of the fastest consumer GPUs available. The 3DMark Steel Nomad DX12 score of 8,587 reflects modern DirectX 12 gaming workloads, while Geekbench OpenCL of 278,621 and Vulkan of 246,941 show strong API-level performance. For esports titles and competitive shooters at 1080p, the CPU's boost clock and efficient single-thread performance should push frame rates well beyond 200 FPS in most scenarios, subject to game engine limitations.

For AAA single-player titles with ray tracing enabled, the 114 RT cores and 456 tensor cores provide dedicated hardware for ray-traced effects and DLSS upscaling. The 456 texture mapping units and 176 render output units deliver pixel rates of 443.5 GPixel/s and texture rates of 1,149.1 GTexel/s, ensuring that geometry and texture throughput keep pace with the shading capability. This GPU is designed for 4K ultra settings with ray tracing, and the CPU pairing ensures no significant bottleneck at that resolution.

FAQ

Q: How does the i9-12900K compare to its closest rival, the Intel Core i9-12950HX?

A: The i9-12950HX has an average benchmark score of 42,487, which is 0.4% higher than the i9-12900K's 42,335. These two processors are effectively performance equals, though the 12900K is a desktop part with an unlocked multiplier while the 12950HX is a mobile processor.

Q: What is the RTX 4090 D's percentile ranking among all GPUs?

A: The RTX 4090 D sits in the 98th percentile of all GPUs, with an average benchmark score of 178,050. Its nearest rival, the NVIDIA RTX PRO 5000 Blackwell, scores 182,109, which is 2.2% higher.

Q: Does this CPU support both DDR4 and DDR5 memory?

A: Yes, the i9-12900K supports both DDR4 and DDR5 memory across a dual-channel bus, providing 76.8 GB/s of memory bandwidth. This flexibility allows builders to choose between cost-effective DDR4 or higher-performance DDR5 modules.

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

A: The Intel Core i9-12900K with the NVIDIA GeForce RTX 4090 D achieves a combined percentile of 93, placing it in the top 7% of all desktop pairings benchmarked.

Q: What kind of memory and bandwidth does the RTX 4090 D have?

A: The RTX 4090 D features 24 GB of GDDR6X memory on a 384-bit bus, delivering 1.01 TB/s of memory bandwidth. The memory clock runs at 1313 MHz, with 21 Gbps effective speed.

Q: Is the i9-12900K's integrated graphics sufficient for basic display output?

A: The integrated UHD Graphics 770 provides basic display output capabilities, which is useful for troubleshooting or systems without a discrete GPU. In this pairing, the RTX 4090 D handles all graphics workloads.

Q: What process node and architecture does the RTX 4090 D use?

A: The RTX 4090 D uses NVIDIA's Ada Lovelace architecture on a 5 nm TSMC process, with 76,300 million transistors on a 609 mm² die. This gives a transistor density of 125.3M per mm².

Who Should Build It

This pairing targets enthusiasts and professionals who demand maximum performance in both CPU-bound and GPU-bound workloads. Gamers playing at 1440p or 4K with ultra settings and ray tracing enabled will benefit from the RTX 4090 D's 98th percentile GPU performance and 24 GB VRAM, which handles large texture packs and high-resolution assets without memory pressure. Content creators working with video editing, 3D rendering, or large datasets will leverage the i9-12900K's 16 cores and 24 threads, with Cinebench R23 multi-core of 26,125 indicating strong rendering throughput. Software developers compiling large codebases will appreciate the 24 threads and 30 MB of L3 cache, which accelerates parallel compilation tasks. Students and researchers running simulation or data analysis workloads can use the CPU's PassMark integer math score of 139,090 for compute-heavy applications. Small business workstations handling a mix of productivity, light CAD, and media tasks will find the combination responsive and capable, though the component cost suggests this is aimed at high-end professional use rather than general office deployment.

Usage Scenarios

High-refresh gaming at 1080p or 1440p is well served by the i9-12900K's single-thread performance, with a PassMark single-thread score of 4,136 and Cinebench R23 single-core of 2,004.5. The CPU can feed frames quickly to the RTX 4090 D, which at 98th percentile GPU performance has ample headroom for competitive frame rates. Streaming while gaming benefits from the 16 cores and 24 threads, allowing simultaneous game rendering and video encoding without significant frame drops. Video editing in Premiere Pro or DaVinci Resolve leverages both components: the CPU handles timeline processing and export encoding with a 3DMark max-thread score of 11,620, while the GPU accelerates effects and color grading with 73.54 TFLOPS of FP32 compute. 3D rendering in Blender or Maya uses the GPU's 14,592 shading units and 456 tensor cores for viewport and final-frame rendering, while the CPU's 26,125 Cinebench R23 multi-core score handles physics simulations and scene preparation. Software development benefits from the CPU's multi-threaded compilation, with PassMark multithread of 41,213 showing strong parallel execution for build servers or local builds. Student and office work, including document processing, spreadsheet analysis, and web browsing, is handled effortlessly by both components, though the system's performance tier is far beyond what these tasks require.

GPU Analysis

The NVIDIA GeForce RTX 4090 D is built on the Ada Lovelace architecture using TSMC's 5 nm process, with 76,300 million transistors packed into a 609 mm² die. The GPU runs at a base clock of 2280 MHz with a boost clock of 2520 MHz, and memory operates at 1313 MHz with 21 Gbps effective speed. The memory subsystem consists of 24 GB of GDDR6X on a 384-bit bus, delivering 1.01 TB/s of bandwidth — sufficient for 4K texture-heavy workloads and large AI model inference. The GPU features 14,592 shading units, 456 texture mapping units, and 176 render output units, along with 114 RT cores and 456 tensor cores for ray tracing and AI acceleration.

Compute performance is substantial: FP32 and FP16 both reach 73.54 TFLOPS with a 1:1 ratio, meaning the GPU can handle either precision without penalty. Pixel rate is 443.5 GPixel/s and texture rate is 1,149.1 GTexel/s, ensuring that fill-rate-limited scenarios are not a concern. The GPU draws up to 425 W TDP and requires an 800 W power supply, using a single 16-pin power connector. It occupies a triple-slot form factor measuring 304 mm in length, 137 mm in height, and 61 mm in width. Display outputs include one HDMI 2.1 and three DisplayPort 1.4a connectors, supporting multi-monitor setups. API support includes DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

The 3DMark Steel Nomad DX12 score of 8,587 reflects modern DirectX 12 gaming performance, while Geekbench OpenCL of 278,621 and Vulkan of 246,941 demonstrate strong cross-API compute capabilities. The GPU's 98th percentile ranking places it among the fastest graphics cards available, with nearest rivals including NVIDIA RTX PRO 5000 Blackwell at 182,109 (2.2% higher), A100 SXM4 80 GB at 183,725 (3.1% higher), RTX 5000 Ada Generation at 184,664 (3.6% higher), and A100 SXM4 40 GB at 187,147 (4.9% higher). The RTX 4090 D is the fastest consumer-oriented GPU in this comparison, trailing only professional and datacenter parts.

Balance and Bottleneck

The i9-12900K's 88th percentile CPU ranking versus the RTX 4090 D's 98th percentile GPU ranking indicates that the GPU is the stronger component relative to its class. In CPU-bound workloads like 1080p gaming with low graphics settings, or heavily threaded productivity tasks, the CPU may be the limiting factor. The 3DMark 16-thread score of 9,912 versus max-thread of 11,620 shows that the CPU's scaling flattens beyond 16 threads, meaning applications using more than that see diminishing returns. Conversely, the GPU's performance headroom means that at 4K resolution or with ray tracing enabled, the GPU becomes the primary bottleneck, with the CPU having sufficient single-thread performance to keep up.

The combined 93rd percentile ranking suggests that, for most workloads, this pairing is well balanced. The CPU's 24 threads handle multitasking and background workloads while the GPU renders frames, and the 1.01 TB/s GPU memory bandwidth ensures no starvation from the CPU's 76.8 GB/s memory bandwidth. In gaming, the balance shifts based on resolution: at 1080p the CPU's single-thread performance of 4,136 in PassMark may limit maximum frame rates in some titles, while at 4K the GPU's rendering capability is the dominant factor. For productivity tasks, the CPU's Cinebench R23 multi-core of 26,125 and the GPU's FP32 of 73.54 TFLOPS create a system where neither component idles during rendering or simulation workloads.

Build Overview

This desktop-class pairing combines Intel's Alder Lake-S architecture with NVIDIA's Ada Lovelace architecture, representing a high-end enthusiast build from the 12th generation Core series and 40-series GeForce lineup. The i9-12900K is a desktop processor with an unlocked multiplier, supporting overclocking, and fits the Intel Socket 1700 platform. The RTX 4090 D is a triple-slot, end-of-life GPU that requires an 800 W power supply and connects via PCIe 4.0 x16. The combined percentile of 93 places this system in the top 7% of all tested pairings, indicating a high-performance configuration suitable for demanding gaming and professional workloads. The CPU's 88th percentile and GPU's 98th percentile both exceed the 90th percentile, meaning this build does not have a weak component — each part is among the fastest in its respective category.

Benchmark Performance

The Intel Core i9-12900K achieves an average benchmark score of 42,335, placing it in the 88th percentile of all CPUs. Its nearest rival, the Intel Core i9-12950HX, scores 42,487 (0.4% higher), while the AMD Ryzen 5 7400 scores 42,055 (0.7% lower), the AMD Ryzen 9 PRO 8945HS scores 41,963 (0.9% lower), and the Intel Core i7-14700T scores 41,914 (1.0% lower). The NVIDIA GeForce RTX 4090 D achieves an average benchmark score of 178,050, placing it in the 98th percentile of all GPUs. Its nearest rival, the NVIDIA RTX PRO 5000 Blackwell, scores 182,109 (2.2% higher), followed by the A100 SXM4 80 GB at 183,725 (3.1% higher), the RTX 5000 Ada Generation at 184,664 (3.6% higher), and the A100 SXM4 40 GB at 187,147 (4.9% higher). Combined, this pairing achieves a 93rd percentile ranking, with the CPU contributing strong multi-threaded performance and the GPU delivering top-tier graphics compute. The data indicates a system that excels across both CPU-intensive and GPU-intensive benchmarks, with the GPU being the standout component while the CPU remains highly competitive within its generation.

Rate My PC: Intel Core i9-12900K + NVIDIA GeForce RTX 4090 D

Apex Performer

System Balance Analysis

Intel Core i9-12900K

NVIDIA GeForce RTX 4090 D

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

CPU Analysis

Gaming Performance

FAQ

Who Should Build It

Usage Scenarios

GPU Analysis

Balance and Bottleneck

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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