SYSTEM ANALYZER

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

Get a comprehensive performance analysis of your gaming rig with detailed benchmarks, bottleneck detection, and upgrade recommendations

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%
VS
GPU
97%
PROCESSOR

Intel Core i9-12900K

42,335 Benchmark Score
Top 7% Market Ranking
View Full Specs →
GRAPHICS CARD

NVIDIA GeForce RTX 4090

60,347 Benchmark Score
Top 3% Market Ranking
View Full Specs →

Market Position

How your build compares to others
Budget
0-30
Mid-Range
30-60
High-End
60-85
Enthusiast
85-100
Your Build

Game Performance Benchmarks

Real-world 4K FPS in popular titles
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Performance Insights

Tips to maximize your system

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.

Compatible Games See what you can play Compare CPUs Find upgrades Compare GPUs Find upgrades

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

# GPU Analysis — VRAM, bandwidth, clocks, RT/tensor hardware, what the benchmark scores mean for rendering

The NVIDIA GeForce RTX 4090 is a monolithic Ada Lovelace part built on TSMC's 5 nm process, packing 76,300 million transistors into a 609 mm² die. The chip (AD102) carries 16,384 shading units, 512 texture mapping units, and 176 ROPs. Its 24 GB of GDDR6X memory sits on a 384-bit bus, yielding 1.01 TB/s of bandwidth — a figure that positions it for high-resolution texture streaming and large dataset manipulation. The GPU's base clock is 2235 MHz with a boost of 2520 MHz, while the memory runs at 1313 MHz (21 Gbps effective). Pixel rate is 443.5 GPixel/s and texture rate is 1,290.2 GTexel/s. FP32 throughput is 82.58 TFLOPS, with FP16 at the same 82.58 TFLOPS (1:1 ratio), indicating balanced compute for mixed-precision workloads.

For ray tracing and AI acceleration, the RTX 4090 includes 128 RT cores and 512 tensor cores. These are the hardware blocks that drive real-time ray-traced effects and DLSS-style upscaling. The benchmark data shows a 3DMark Steel Nomad DX12 score of 9223, a Geekbench OpenCL score of 255416, and a Vulkan score of 271631. The PassMark G3D score is 38194, with a GPU compute score of 26613. The percentile ranking against all GPUs is 88, meaning this card outperforms the vast majority of installed graphics hardware. Its average benchmark score of 60347 places it near the Intel Arc Pro A60 (60326, deltaPct 0.0) and AMD Radeon Pro W6600M (61896, deltaPct -2.5), though those are workstation-oriented parts; the RTX 4090's raw compute and bandwidth are what drive its rendering dominance.

The 450 W TDP and suggested 850 W PSU indicate a power-hungry design, but the performance per watt in rasterization and ray tracing is exceptional for its generation. The 1.01 TB/s memory bandwidth is critical for 4K and 8K texture workloads, and the 24 GB frame buffer prevents capacity-related stutters in large scenes. For rendering, the 82.58 TFLOPS FP32 throughput suggests heavy polygon transformation and shader work is handled with headroom. The 128 RT cores accelerate BVH traversal, and the 512 tensor cores handle denoising and resolution upscaling, making the card a complete package for real-time and offline rendering pipelines.

# Usage Scenarios

High-refresh gaming: The RTX 4090's 3DMark Steel Nomad score of 9223 and 88th percentile ranking indicate it can push frame rates well beyond 144 Hz at 1440p and maintain high refresh at 4K in most titles. The 24 GB VRAM and 1.01 TB/s bandwidth eliminate memory-related frame pacing issues. The 21 Gbps effective memory clock ensures texture streaming keeps up with the GPU's compute throughput.

Streaming: The 512 tensor cores and 128 RT cores provide dedicated hardware for encoding and AI-based enhancements. The 82.58 TFLOPS FP32 compute means simultaneous game rendering and stream encoding are unlikely to bottleneck, as the GPU has ample headroom for both tasks. The 24 GB VRAM allows for high-bitrate capture buffers without impacting game performance.

Video editing: The Geekbench OpenCL score of 255416 and Vulkan score of 271631 indicate strong compute for effects, color grading, and export tasks. The 1.01 TB/s bandwidth accelerates timeline scrubbing and multi-stream playback of high-resolution footage. The 24 GB frame buffer supports large project files and complex compositing layers without spilling to system memory.

3D rendering: The 82.58 TFLOPS FP32 and 1,290.2 GTexel/s texture rate make this a formidable renderer. The 128 RT cores accelerate ray-traced final-frame renders, and the 512 tensor cores speed up denoising passes. The 3DMark Steel Nomad score of 9223 reflects real-time DirectX 12 performance, while the PassMark G3D score of 38194 confirms sustained throughput for batch rendering workloads.

Software development: The 512 tensor cores are useful for machine learning model training and inference, and the 82.58 TFLOPS compute handles CUDA-accelerated libraries. The 24 GB VRAM allows larger batch sizes in deep learning frameworks. The Vulkan 1.4 and OpenGL 4.6 API support ensures broad compatibility with graphics debuggers and profiling tools.

Student and office work: The RTX 4090 is massively overprovisioned for document editing, spreadsheet manipulation, and web browsing. The PassMark G2D score of 1299 is modest, but the GPU's raw power means no office application will ever be GPU-bound. This pairing is impractical for typical student workloads, yet the headroom ensures future-proofing for any compute-heavy assignments.

# CPU Analysis

The Intel Core i9-12900K is a 16-core, 24-thread desktop processor based on Alder Lake-S architecture, built on Intel's 10 nm process. It features a base clock of 3.20 GHz and a boost clock of 5.20 GHz. The cache hierarchy includes 80 KB L1 per core, 1.25 MB L2 per core, and 30 MB of shared L3. Memory support includes DDR4 and DDR5, with dual-channel memory bus and 76.8 GB/s bandwidth. ECC memory is supported. The CPU uses Intel Socket 1700 and has PCIe Gen 5 with 16 lanes (CPU only). Integrated graphics are UHD Graphics 770. The launch MSRP was $599, and the multiplier is unlocked for overclocking.

Benchmark results show a 3DMark max-threads score of 11620, a single-thread score of 1073, and an 8-thread score of 7596. Cinebench R23 multicore is 26125 with a single-core score of 2004.5. Geekbench multicore is 16378 and single-core is 2193. PassMark multithread is 41213, with single-thread at 4136. The CPU's average benchmark score is 42335, ranking at the 88th percentile against all CPUs. Nearest rivals include the Intel Core i9-12950HX (42487, deltaPct -0.4), AMD Ryzen 5 7400 (42055, deltaPct 0.7), AMD Ryzen 9 PRO 8945HS (41963, deltaPct 0.9), and Intel Core i7-14700T (41914, deltaPct 1.0). The 12900K essentially trades blows with these parts, being 0.4% slower than the 12950HX and 0.7% faster than the Ryzen 5 7400.

The hybrid architecture of Alder Lake combines performance and efficiency cores, which is reflected in the scaling from 2 threads (2120) to 16 threads (9912) in 3DMark. The 30 MB shared L3 cache helps maintain data locality across cores, and the 5.20 GHz boost clock provides strong single-thread responsiveness for lightly threaded tasks. The 76.8 GB/s memory bandwidth is adequate for dual-channel DDR5, though it may limit extreme multi-core workloads that saturate memory controllers. The 125 W TDP is modest for a 16-core part, suggesting power efficiency is prioritized at stock settings.

# Balance and Bottleneck

The combination of an 88th percentile CPU and 88th percentile GPU creates a balanced pairing where neither component drastically outclasses the other. The CPU's average benchmark score of 42335 and the GPU's average score of 60347 indicate both are high-end parts. Bottleneck analysis depends on workload type: in CPU-bound tasks like physics simulation or data compression, the 12900K's PassMark physics score of 2219 and data compression score of 537341 will be the limiting factor. In GPU-bound tasks like 4K gaming or ray-traced rendering, the RTX 4090's 38194 G3D score determines the ceiling.

For gaming at lower resolutions (1080p), the CPU's single-thread score of 4136 (PassMark) and 1073 (3DMark single-thread) become more critical, as frame generation is often limited by the game's main thread. At higher resolutions (4K), the GPU's raw throughput takes over, and the CPU's 16 cores provide enough headroom to feed the GPU. The 24 threads ensure that background tasks like streaming overlays or Discord don't interfere with game performance. The CPU's 30 MB L3 cache reduces memory latency, which helps maintain consistent frame times.

The 3DMark 16-thread score of 9912 versus max-threads of 11620 shows diminishing returns beyond 16 threads, indicating the CPU's scaling plateaus. This aligns with the GPU's 82.58 TFLOPS compute, which is far beyond what any current game can saturate, making the CPU the more likely bottleneck in esports titles. Conversely, in multi-threaded productivity workloads like video encoding, the CPU's 26125 Cinebench R23 score and the GPU's 255416 OpenCL score can work in parallel, with the GPU handling render acceleration while the CPU manages system I/O. The 76.8 GB/s memory bandwidth is shared between both components, and in memory-heavy scenarios, this could be the limiting factor rather than either compute unit.

# Benchmark Performance

The Intel Core i9-12900K achieves an average benchmark score of 42335, placing it in the 88th percentile of all CPUs. Its nearest rival, the Intel Core i9-12950HX, scores 42487, which is 0.4% higher. The AMD Ryzen 5 7400 scores 42055, which is 0.7% lower. The AMD Ryzen 9 PRO 8945HS scores 41963 (0.9% lower), and the Intel Core i7-14700T scores 41914 (1.0% lower). This indicates the 12900K is at the boundary of the top 12% of processors, with performance that is statistically indistinguishable from its closest competitors.

The NVIDIA GeForce RTX 4090 has an average benchmark score of 60347, also in the 88th percentile of all GPUs. Its nearest rivals are the Intel Arc Pro A60 (60326, deltaPct 0.0), AMD Radeon Pro Vega 48 (60140, deltaPct 0.3), AMD Radeon Pro W6600M (61896, deltaPct -2.5), and AMD Radeon PRO V710 (58657, deltaPct 2.9). The RTX 4090 is essentially tied with the Arc Pro A60, while the W6600M is 2.5% faster in this aggregate metric. The combined percentile for this CPU+GPU pairing is 88, meaning both components are in the top 12% of their respective categories.

Specific benchmark scores for the CPU include Cinebench R23 multicore at 26125, which is strong for multi-threaded rendering, and single-core at 2004.5, which is competitive for gaming. Geekbench multicore at 16378 and single-core at 2193 show balanced performance. The PassMark multithread score of 41213 and single-thread of 4136 confirm the CPU's dual nature: high throughput for parallel tasks, respectable speed for single-threaded workloads. The GPU's 3DMark Steel Nomad score of 9223 is a modern DirectX 12 benchmark, and the PassMark G3D score of 38194 is a legacy metric that still shows high absolute performance. The combined picture is a desktop system where both the CPU and GPU are at the 88th percentile, creating a platform that excels in both compute and graphics tasks without a weak link.

# FAQ

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

A: The combined percentile is 88, meaning both the Intel Core i9-12900K and the NVIDIA GeForce RTX 4090 rank in the top 12% of their respective categories.

Q: How does the RTX 4090 compare to its nearest rival, the Intel Arc Pro A60?

A: The RTX 4090 has an average benchmark score of 60347, while the Arc Pro A60 scores 60326, a deltaPct of 0.0. They are effectively tied in aggregate benchmark performance.

Q: What is the CPU's single-thread performance metric?

A: The 12900K achieves a PassMark single-thread score of 4136 and a 3DMark single-thread score of 1073, indicating strong performance for lightly threaded tasks.

Q: Does the RTX 4090 support modern graphics APIs?

A: Yes, it supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, making it compatible with the latest graphics standards.

Q: What is the memory bandwidth of the GPU, and why does it matter?

A: The RTX 4090 has 1.01 TB/s of memory bandwidth from its 384-bit bus and 24 GB of GDDR6X. This high bandwidth is crucial for 4K texture streaming and large compute datasets.

Q: How does the CPU's Cinebench R23 multicore score compare to its rivals?

A: The 12900K scores 26125 in Cinebench R23 multicore. Its nearest rival, the Core i9-12950HX, has an average score 0.4% higher overall, but specific Cinebench comparisons are not available for that rival.

Q: Is the CPU's memory bandwidth sufficient for the GPU?

A: The CPU has 76.8 GB/s memory bandwidth, which is typical for dual-channel DDR5. In GPU-bound workloads, the GPU's 1.01 TB/s bandwidth is independent, but in CPU-bound tasks, the 76.8 GB/s could be a limiting factor for data-intensive operations.

# Gaming Performance

No measured FPS rows exist for this exact CPU+GPU combination, so all frame rate figures are estimates based on the benchmark scores. The RTX 4090's 3DMark Steel Nomad score of 9223 and PassMark G3D score of 38194 indicate it is a top-tier gaming GPU. The 24 GB VRAM and 1.01 TB/s bandwidth suggest it can handle high-resolution textures and ray tracing at 4K without capacity issues. The 128 RT cores and 512 tensor cores provide hardware acceleration for ray-traced effects and DLSS, which can boost frame rates in supported titles.

Given the CPU's 88th percentile ranking and single-thread score of 1073 (3DMark), the 12900K is unlikely to bottleneck the GPU at 4K resolution. At 1440p, the CPU's 16 cores and 5.20 GHz boost clock should maintain high frame rates in most games. At 1080p, the CPU may become the limiting factor in ultra-high-refresh scenarios (240 Hz+), but the GPU's raw compute ensures it can deliver very high FPS in less CPU-intensive titles. The 76.8 GB/s CPU memory bandwidth could affect physics-heavy games, but the overall system is balanced for high-refresh gaming.

The GPU's 82.58 TFLOPS FP32 and 1,290.2 GTexel/s texture rate suggest that even at 4K ultra settings, the bottleneck will be the game engine's draw calls rather than the GPU's fill rate. For esports titles at 1080p, estimated frame rates could exceed 300 FPS in lightweight engines, while AAA titles at 4K with ray tracing enabled might see 60-100 FPS depending on optimization. These figures are estimates, as the FACT PACK contains no measured FPS data for this pairing.

# Build Overview

This build pairs the Intel Core i9-12900K with the NVIDIA GeForce RTX 4090 in a desktop configuration. The CPU is a 16-core, 24-thread Alder Lake-S processor with a 5.20 GHz boost clock and 30 MB L3 cache. The GPU is an Ada Lovelace-based card with 24 GB GDDR6X and 1.01 TB/s bandwidth. Both components rank at the 88th percentile in their respective categories, making this a high-end desktop system. The CPU's average benchmark score is 42335, and the GPU's is 60347, with a combined percentile of 88.

The overall tier is upper-midrange to enthusiast, given that both parts are in the top 12% of all available hardware. The build is suitable for demanding workloads such as 4K gaming, 3D rendering, video editing, and machine learning. The CPU's 125 W TDP and the GPU's 450 W TDP indicate a system that requires robust cooling and a high-wattage power supply. The suggested PSU is 850 W, which provides headroom for both components under full load.

The desktop form factor allows for future upgrades, including additional storage or memory. The CPU's socket is Intel Socket 1700, and the GPU uses PCIe 4.0 x16, ensuring compatibility with modern motherboards. This pairing is balanced, with neither component significantly outperforming the other in aggregate benchmarks, making it a cohesive platform for high-performance computing.

# Who Should Build It

Target users are gamers seeking maximum frame rates at 4K resolution. The RTX 4090's 24 GB VRAM and 1.01 TB/s bandwidth, combined with the 12900K's 16 cores, provide the headroom for ultra settings and ray tracing. Gamers at 1440p will also benefit, as the system can drive high-refresh monitors well beyond 144 Hz in most titles. Esports players at 1080p will find the CPU's single-thread performance sufficient, though the GPU is overkill for such workloads.

Content creators working in video editing will leverage the GPU's 255416 OpenCL score and the CPU's 26125 Cinebench R23 multicore score for fast exports and effects rendering. 3D artists using ray-traced renderers will benefit from the 128 RT cores and 82.58 TFLOPS FP32 compute. Software developers training machine learning models can use the 512 tensor cores and 24 GB VRAM for larger batch sizes. Students in computer science or digital media programs will have more power than required, but the longevity of the system justifies the investment. Small business workstations running virtualization or database workloads will utilize the CPU's 24 threads and ECC memory support, though the GPU may be underutilized in such scenarios.

The build is also suitable for professionals who need a single machine for multiple demanding tasks, such as architectural visualization, scientific computing, or high-end photo editing. The 88th percentile ranking of both components ensures that users are near the top of performance for their respective fields.

# Upgrade Path and Platform

The CPU uses Intel Socket 1700, which supports DDR4 and DDR5 memory. The memory bus is dual-channel with 76.8 GB/s bandwidth. The PCIe interface is Gen 5 with 16 lanes (CPU only), while the GPU uses PCIe 4.0 x16. The CPU supports ECC memory, which is useful for workstation reliability. The TDP is 125 W for the CPU and 450 W for the GPU, with a suggested PSU of 850 W. This leaves ample headroom for overclocking the unlocked CPU multiplier or adding peripherals.

A sensible next upgrade would be moving to a newer Intel platform with support for faster DDR5 memory and PCIe Gen 5 storage, as the current CPU's 76.8 GB/s memory bandwidth is a potential bottleneck for multi-threaded data processing. Alternatively, adding a second RTX 4090 via NVIDIA's NVLink (if supported) would double VRAM and compute, though this is impractical for most users. The GPU's predecessor is GeForce 30 and its successor is GeForce 50, indicating that an upgrade to a newer generation would yield better ray tracing and AI performance, but the current card remains competitive.

The 850 W PSU suggestion provides 200 W of headroom beyond the combined 575 W TDP of CPU and GPU, allowing for additional drives, fans, and RGB lighting. The GPU's triple-slot width and 304 mm length require a spacious case with good airflow. The 1x 16-pin power connector is modern and compatible with ATX 3.0 power supplies. For a meaningful upgrade, focusing on storage speed (PCIe Gen 5 NVMe) and memory capacity (64 GB or more DDR5) would complement the existing CPU and GPU without requiring a platform change.