SYSTEM ANALYZER

Rate My PC: Intel Core i9-12900K + AMD Radeon RX 7900 XT

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

91 / 100
ULTIMATE READY

Apex Performer

Top 9% 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
88%
PROCESSOR

Intel Core i9-12900K

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

AMD Radeon RX 7900 XT

13,745 Benchmark Score
Top 12% 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
View All Games →

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

# Intel Core i9-12900K + AMD Radeon RX 7900 XT

This pairing combines Intel's 12th-generation flagship desktop processor with AMD's high-end RDNA 3 graphics card, creating a system that targets demanding workloads across both productivity and gaming. The Core i9-12900K sits in the 88th percentile among all CPUs with an average benchmark score of 42,335, while the RX 7900 XT holds a 55th percentile position among GPUs with an average score of 13,745. Together, the build reaches a 72nd combined percentile. No measured FPS rows exist for this exact combination, so all frame rate discussions below are estimated from the benchmark scores rather than direct testing.

Usage Scenarios

High-refresh gaming: The RX 7900 XT delivers the raw throughput needed for demanding titles, with a 3DMark Steel Nomad DX12 score of 5,623 indicating strong DirectX 12 performance. The CPU's 3DMark 8-thread score of 7,596 and max-thread score of 11,620 ensure that even heavily threaded game engines have headroom. This combination should comfortably drive high-refresh 1440p displays in most titles, though exact frame rates depend on the specific game and settings.

Streaming: The i9-12900K's 16 cores and 24 threads provide substantial multitasking capacity, evidenced by a PassMark multithread score of 41,213. A single-thread score of 4,136 ensures that game logic and streaming overhead can run concurrently without the CPU becoming the limiting factor. The CPU's integrated UHD Graphics 770 offers a fallback for video encoding tasks if the GPU is fully occupied by rendering.

Video editing: Cinebench R23 multicore performance of 26,125 points indicates strong rendering capability for timeline playback and export tasks. The CPU's PassMark data compression score of 537,341 and floating-point math score of 105,471 further support video processing workflows. The GPU's 20 GB of GDDR6 memory with 800.0 GB/s bandwidth provides ample capacity for holding large video buffers and effect chains.

3D rendering: The CPU's Cinebench R20 multicore score of 14,679 and R15 multicore score of 4,057 show consistent scaling across render workloads. For GPU-accelerated rendering, the RX 7900 XT's 51.48 TFLOPS FP32 performance and 103.0 TFLOPS FP16 performance make it a capable compute device. The PassMark GPU compute score of 16,828 confirms strong general-purpose compute ability.

Software development: The i9-12900K's PassMark integer math score of 139,090 and extended instructions score of 33,682 indicate robust performance for compilation and code analysis tasks. The 30 MB shared L3 cache helps keep frequently accessed code and data close to the cores, reducing latency during iterative builds. The CPU's 88th percentile ranking among all CPUs places it well above typical development machines.

Student and office work: This configuration is substantially overpowered for typical productivity tasks, but the single-thread performance — a Geekbench single-core score of 2,193 and 3DMark single-thread score of 1,073 — ensures snappy response in document editing and spreadsheet work. The 2-thread 3DMark score of 2,120 shows that even lightly threaded office applications run efficiently.

Upgrade Path and Platform

The Core i9-12900K uses the Intel Socket 1700 platform, which supports both DDR4 and DDR5 memory through a dual-channel memory bus with 76.8 GB/s bandwidth. The socket also provides PCIe Gen 5 with 16 lanes from the CPU, giving access to the latest NVMe storage and expansion cards. The platform supports ECC memory, which can be relevant for workstation-style builds where data integrity matters.

The CPU's 125 W TDP and the GPU's 300 W TDP combine for a total heat load that a 700 W power supply is suggested to handle, per the specified PSU recommendation. This leaves limited headroom for aggressive overclocking — the CPU has an unlocked multiplier, and the GPU uses dual 8-pin power connectors, but pushing both components simultaneously would require careful power budgeting.

A sensible next upgrade would focus on the GPU, since the CPU's 88th percentile ranking suggests it has more longevity than the GPU's 55th percentile position. The RX 7900 XT is listed as end-of-life production status with a successor in the Navi IV generation, so a future GPU swap would extend the system's gaming relevance. The PCIe 4.0 x16 bus interface on the GPU matches well with the CPU's PCIe Gen 5 capability, leaving bandwidth headroom for future cards.

GPU Analysis

The AMD Radeon RX 7900 XT is built on the Navi 31 chip using a 5 nm process from TSMC, packing 57,700 million transistors into a 529 mm² die. The GPU features 5,376 shading units, 336 texture mapping units, and 192 raster operation units. Clock speeds range from a 1,387 MHz base to a 2,394 MHz boost, with a 2,025 MHz game clock for sustained performance.

Memory configuration is substantial: 20 GB of GDDR6 on a 320-bit bus, delivering 800.0 GB/s of bandwidth. This capacity and bandwidth support high-resolution textures and large datasets without hitting memory ceilings. The GPU includes 84 ray tracing cores, enabling hardware-accelerated ray tracing in supported titles, though the RDNA 3 architecture's ray tracing implementation is typically not as strong as dedicated RT hardware in competing products.

Compute performance is a highlight: 51.48 TFLOPS FP32 and 103.0 TFLOPS FP16 (2:1 ratio) provide strong raw numbers. The pixel rate of 459.6 GPixel/s and texture rate of 804.4 GTexel/s indicate efficient fill-rate throughput. In 3DMark Steel Nomad DX12, the GPU scores 5,623, which is a solid result for a modern DirectX 12 workload. Geekbench scores of 12,756 in OpenCL and 71,068 in Vulkan show strong cross-API compute compatibility.

The GPU's average benchmark score of 13,745 places it in the 55th percentile among all GPUs, with the nearest rivals being the AMD Radeon 660M (0.5% higher), NVIDIA RTX A2000 Mobile (0.5% higher), and AMD Radeon RX 570X (0.9% higher). The RX 9070 XT sits 1.5% behind. These close margins indicate that the RX 7900 XT's average score is tightly clustered with mid-range options, despite its high-end positioning in the product stack.

Who Should Build It

Gamers at 1440p and 4K: The RX 7900 XT's 20 GB VRAM and 800 GB/s bandwidth provide the memory headroom for high-resolution textures. The CPU's 88th percentile ranking ensures that game logic won't bottleneck GPU-bound scenarios at these resolutions. The 3DMark Steel Nomad score of 5,623 suggests strong DX12 performance in modern titles.

Content creators: Video editors and 3D artists benefit from the CPU's Cinebench R23 multicore score of 26,125 and the GPU's 51.48 TFLOPS FP32 compute. The 20 GB VRAM allows larger scenes and longer timelines to stay in GPU memory. The PassMark GPU compute score of 16,828 supports GPU-accelerated effects and renders.

Software developers: The CPU's PassMark integer math score of 139,090 and data encryption score of 29,579 indicate strong performance for build servers and security-focused development. The 16 cores and 24 threads handle parallel compilation well, and the 30 MB L3 cache reduces memory latency for iterative workflows.

Students and small business workstations: While overkill for basic tasks, the single-thread performance from Geekbench (2,193) and 3DMark (1,073) ensures responsiveness. The system's combined 72nd percentile ranking means it will remain capable for several years of coursework or office applications, though the power draw may be higher than necessary for such workloads.

Benchmark Performance

The CPU delivers 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). This clustering shows the i9-12900K remains competitive with newer processors in aggregate performance.

In 3DMark tests, the CPU scores 9,912 in 16-thread, 7,596 in 8-thread, 4,145 in 4-thread, 2,120 in 2-thread, and 1,073 in single-thread. The max-thread score of 11,620 exceeds the 16-thread result, indicating that additional threads beyond 16 provide measurable benefit. Cinebench scores scale similarly: R23 multicore at 26,125 versus single-core at 2,004.5, R20 multicore at 14,679 versus single-core at 2,072, and R15 multicore at 4,057 versus single-core at 289.

The GPU's average benchmark score of 13,745 places it in the 55th percentile. In PassMark tests, it scores 29,009 in G3D, 16,828 in GPU compute, 340 in DirectX 11, 110 in DirectX 12, 158 in DirectX 10, and 322 in DirectX 9. The G2D score of 1,232 indicates solid 2D performance. The 3DMark Steel Nomad DX12 score of 5,623 provides a modern workload reference.

Combined, the CPU's 88th percentile and GPU's 55th percentile produce a 72nd combined percentile for the build, indicating that the CPU is the stronger component relative to their respective markets.

Gaming Performance

No measured FPS data exists for this exact CPU-GPU combination. The FACT PACK contains no measuredFpsUltraByGame entries, so all frame rate expectations below are estimates derived from benchmark scores.

Based on the GPU's 3DMark Steel Nomad DX12 score of 5,623 and the CPU's strong single-thread and multi-thread results, this system should handle modern AAA titles at high settings in 1440p and 4K. The 20 GB VRAM provides substantial headroom for texture-heavy games, and the 800 GB/s bandwidth supports high-resolution frame buffers.

The CPU's 3DMark single-thread score of 1,073 and 2-thread score of 2,120 indicate that lightly threaded game engines will perform well. The 8-thread score of 7,596 suggests that games using up to eight threads — the common console-targeted thread count — will see strong performance. The max-thread score of 11,620 provides additional headroom for games that scale beyond eight threads.

For esports titles at high refresh rates, the CPU's PassMark single-thread score of 4,136 and the GPU's high pixel rate of 459.6 GPixel/s should support triple-digit frame rates at 1080p and 1440p. For demanding single-player titles at 4K, the GPU's 51.48 TFLOPS FP32 compute and 20 GB VRAM are the primary drivers, with the CPU providing sufficient throughput to avoid bottlenecks.

CPU Analysis

The Intel Core i9-12900K features 16 cores and 24 threads based on the Alder Lake architecture, manufactured on Intel's 10 nm process with a 215 mm² die size. Base clock is 3.20 GHz with a 5.20 GHz boost clock, and the TDP is rated at 125 W. The cache hierarchy includes 80 KB L1 per core, 1.25 MB L2 per core, and 30 MB of shared L3 cache.

The CPU supports both DDR4 and DDR5 memory on a dual-channel bus with 76.8 GB/s bandwidth, giving builders flexibility in memory selection. ECC memory support adds reliability for workstation use. The integrated UHD Graphics 770 provides basic display output and hardware acceleration without requiring a discrete GPU.

Benchmark results show strong scaling across thread counts. The 3DMark 16-thread score of 9,912 represents 85% of the max-thread score of 11,620, indicating that the extra 8 threads beyond 16 provide meaningful additional throughput. The single-thread score of 1,073 versus the 2-thread score of 2,120 shows near-perfect scaling for the first additional thread.

Cinebench R23 multicore performance of 26,125 points is competitive for content creation workloads, while the single-core score of 2,004.5 indicates strong per-thread performance. Geekbench scores of 16,378 multicore and 2,193 single-core align with these results. PassMark data compression (537,341) and encryption (29,579) scores suggest the CPU handles data-intensive tasks efficiently.

The CPU's average benchmark score of 42,335 and 88th percentile ranking place it among the top desktop processors. Its nearest rival, the i9-12950HX, is within 0.4%, while the Ryzen 5 7400 and Ryzen 9 PRO 8945HS trail by 0.7% and 0.9% respectively. The i7-14700T is 1.0% behind.

FAQ

Q: Does the Core i9-12900K support DDR5 memory?

A: Yes, the CPU supports both DDR4 and DDR5 memory via a dual-channel memory bus with 76.8 GB/s bandwidth, allowing builders to choose either memory type.

Q: How much VRAM does the RX 7900 XT have?

A: The GPU features 20 GB of GDDR6 memory on a 320-bit bus, delivering 800.0 GB/s of memory bandwidth.

Q: What is the combined performance percentile of this build?

A: The build reaches a 72nd combined percentile, with the CPU at the 88th percentile among all CPUs and the GPU at the 55th percentile among all GPUs.

Q: Is the CPU good for multi-threaded workloads?

A: Yes, the 16-core, 24-thread CPU scores 26,125 in Cinebench R23 multicore and 41,213 in PassMark multithread, indicating strong parallel processing capability.

Q: Does the GPU support ray tracing?

A: Yes, the RX 7900 XT includes 84 ray tracing cores, enabling hardware-accelerated ray tracing in supported games and applications.

Q: What PCIe interface does the GPU use?

A: The GPU uses a PCIe 4.0 x16 bus interface, while the CPU provides PCIe Gen 5 with 16 lanes, leaving bandwidth headroom for future upgrades.

Q: What power supply is suggested for this build?

A: The suggested PSU rating is 700 W, based on the CPU's 125 W TDP and the GPU's 300 W TDP.

Balance and Bottleneck

The performance balance between the CPU and GPU is asymmetric. The i9-12900K ranks in the 88th percentile among CPUs, while the RX 7900 XT sits in the 55th percentile among GPUs. This means the CPU is significantly stronger relative to its market than the GPU is relative to its own market.

In CPU-bound workloads — such as software compilation, data compression, and lightly threaded productivity tasks — the CPU will be the primary driver. The PassMark integer math score of 139,090 and data compression score of 537,341 show that the CPU handles these tasks efficiently, and the GPU's involvement is minimal.

In GPU-bound workloads — such as high-resolution gaming and GPU-accelerated rendering — the RX 7900 XT becomes the limiting factor. The GPU's 55th percentile ranking and its close clustering with the Radeon 660M, RTX A2000 Mobile, and RX 570X (all within 0.9%) indicate that its aggregate benchmark performance is mid-range, which may cap frame rates in demanding titles despite the CPU's headroom.

The CPU's 3DMark 8-thread score of 7,596 and max-thread score of 11,620 suggest that even heavily threaded game engines will not saturate the CPU. The GPU's 3DMark Steel Nomad DX12 score of 5,623 is the more likely performance ceiling for gaming workloads. In mixed workloads like streaming while gaming, the CPU's 24 threads provide ample multitasking capacity, but the GPU's compute performance (16,828 in PassMark GPU compute) may limit simultaneous rendering and encoding tasks.

The 700 W suggested PSU provides adequate power for both components' TDPs, but overclocking the unlocked CPU multiplier or pushing the GPU beyond its boost clock would require careful power management. The GPU's end-of-life status and the CPU's active production status suggest that the CPU will likely outlast the GPU in the system, making the GPU the first component to upgrade for extended system relevance.