SYSTEM ANALYZER

Rate My PC: Intel Core i9-12900K + NVIDIA GeForce RTX 5080

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 5080

56,083 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

# Intel Core i9-12900K + NVIDIA GeForce RTX 5080: A Desktop Powerhouse Analysis

The pairing of Intel's Core i9-12900K with NVIDIA's GeForce RTX 5080 creates a desktop configuration that sits at the 88th percentile among all CPU+GPU combinations, indicating a high-performance build aimed at demanding workloads. The CPU, a 16-core Alder Lake-S part with 24 threads, reaches a boost clock of 5.20 GHz, while the GPU, based on the Blackwell 2.0 architecture, delivers 56.28 TFLOPS of FP32 compute. This combination targets users who need both substantial multi-threaded processing power and top-tier graphics acceleration, though the data shows some interesting nuances in how these two components complement each other across different tasks.

CPU Analysis

The Intel Core i9-12900K is a desktop processor built on the Alder Lake-S architecture, manufactured on Intel's 10 nm process with a die size of 215 mm². It features 16 cores and 24 threads, a configuration that uses a hybrid design of performance and efficiency cores, though the FACT PACK does not specify the exact core distribution. The base clock runs at 3.20 GHz, with a boost clock of 5.20 GHz, and the processor has a TDP of 125 W. It supports both DDR4 and DDR5 memory in a dual-channel configuration, with a memory bandwidth of 76.8 GB/s, and includes ECC memory support. The L3 cache is 30 MB shared, while L1 and L2 caches are 80 KB and 1.25 MB per core, respectively.

Benchmark scores reveal a processor that excels in multi-threaded scenarios. The Cinebench R23 multi-core score of 26125 places it in the 88th percentile among all CPUs, with an average benchmark score of 42335. Its nearest rivals include the Intel Core i9-12950HX (avg score 42487, delta -0.4%), AMD Ryzen 5 7400 (avg score 42055, delta 0.7%), AMD Ryzen 9 PRO 8945HS (avg score 41963, delta 0.9%), and Intel Core i7-14700T (avg score 41914, delta 1%). The data shows the 12900K is essentially on par with these competitors, trailing the i9-12950HX by just 0.4% and leading the Ryzen 5 7400 by 0.7%. This tight grouping suggests that in synthetic average scores, the 12900K is a solid mid-pack performer among high-end CPUs, but not a standout leader.

Looking at thread scaling, the 3DMark tests show a clear progression: single-thread score is 1073, 2-thread is 2120, 4-thread is 4145, 8-thread is 7596, and max-thread is 11620. The jump from 8 threads to max threads (24 threads) is significant, indicating that the processor scales well with additional cores. In Cinebench R23, the multi-core score of 26125 is roughly 13 times the single-core score of 2004.5, demonstrating strong parallel efficiency. The PassMark multi-thread score of 41213 further confirms this, with integer math at 139090 and floating-point math at 105471. Data compression scores of 537341 and encryption scores of 29579 suggest robust performance in data-intensive tasks. For real-world workloads, this means video rendering, 3D modeling, and software compilation will benefit heavily from the core count, while the single-thread score of 4136 in PassMark ensures responsive performance in lightly-threaded applications like office suites and web browsing.

Benchmark Performance

The combined benchmark picture for this CPU+GPU pairing is anchored by the CPU's 88th percentile and the GPU's 87th percentile, with a combined percentile of 88. The CPU's average benchmark score is 42335, while the GPU's average benchmark score is 56083. In 3DMark, the CPU scores 9912 in the 16-thread test and 11620 in max-thread, while the GPU scores 8637 in 3DMark Steel Nomad DX12. The Geekbench results show the CPU at 2193 single-core and 16378 multi-core, while the GPU achieves 235901 in OpenCL and 255450 in Vulkan. PassMark GPU tests show a G3D score of 36565, with DirectX 11 scoring 324 and DirectX 12 scoring 151.

The GPU's nearest rivals in average score include the AMD Radeon 8060S (avg score 55757, delta 0.6%), AMD Radeon RX 6750 GRE 12 GB (avg score 55698, delta 0.7%), AMD Radeon Pro W5700X (avg score 54828, delta 2.3%), and AMD Radeon RX 9070 GRE (avg score 57367, delta -2.2%). The RTX 5080 trails the RX 9070 GRE by 2.2% but leads the Radeon 8060S by 0.6%. This places the GPU in a competitive position, though its 87th percentile indicates it is not at the very top of the GPU hierarchy. The combined picture shows a system where CPU and GPU are balanced in percentile terms, with the CPU slightly ahead. This suggests that neither component is a glaring bottleneck, but the CPU's 88th percentile versus the GPU's 87th means the processor might have a marginal edge in driving performance, particularly in CPU-bound scenarios.

GPU Analysis

The NVIDIA GeForce RTX 5080 is built on the Blackwell 2.0 architecture using TSMC's 5 nm process, with a transistor count of 45,600 million on a 378 mm² die. It features 16 GB of GDDR7 memory on a 256-bit bus, delivering a bandwidth of 960.0 GB/s. The GPU has 10752 shading units, 336 texture mapping units, and 112 ROPs. It includes 84 RT cores and 336 tensor cores, which are essential for ray tracing and AI-accelerated workloads. The base clock is 2295 MHz with a boost clock of 2617 MHz, and memory runs at 1875 MHz (30 Gbps effective). The pixel rate is 293.1 GPixel/s, and the texture rate is 879.3 GTexel/s. The FP32 performance is 56.28 TFLOPS, with FP16 at the same rate (1:1), indicating strong compute capability for both gaming and professional applications.

Benchmark results show the GPU's strengths in compute-heavy tasks. The Geekbench Vulkan score of 255450 is higher than the OpenCL score of 235901, suggesting good cross-API performance. PassMark G3D score of 36565 is solid, but the DirectX 12 score of 151 is notably lower than DirectX 11's 324, which might indicate driver optimizations or workload characteristics. The GPU compute score of 21789 in PassMark reflects its parallel processing power. For rendering workloads, the 84 RT cores provide dedicated hardware for ray tracing, while the 336 tensor cores accelerate DLSS and other AI-based features. The 16 GB of VRAM and 960.0 GB/s bandwidth are substantial, allowing for high-resolution textures and complex scenes without memory bottlenecks. The dual-slot design with a 360 W TDP and 16-pin power connector requires a 750 W suggested PSU, and the PCIe 5.0 x16 interface ensures adequate bandwidth for data transfer.

Balance and Bottleneck

The balance between the Core i9-12900K and RTX 5080 is nuanced. In CPU-centric workloads, the 12900K's 88th percentile and high multi-thread scores (Cinebench R23 multi-core 26125, PassMark multi-thread 41213) mean it can feed the GPU effectively in most gaming scenarios. However, the GPU's 87th percentile is slightly lower, suggesting that in GPU-bound tasks like 4K gaming or heavy ray tracing, the RTX 5080 might be the limiting factor. The 3DMark CPU max-thread score of 11620 versus the GPU's Steel Nomad score of 8637 indicates that the CPU can generate a high volume of draw calls, but the GPU's rendering throughput may cap frame rates in demanding titles. Conversely, in CPU-bound workloads like physics simulation or data compression, the GPU's role diminishes, and the CPU's performance becomes the primary constraint.

The FPS scaling data is absent, as no measured FPS rows exist for this exact combination. Without measured FPS data, the bottleneck analysis relies on benchmark scores. The CPU's single-thread score of 1073 in 3DMark and 2004.5 in Cinebench R23 suggests it can handle game logic and physics well, while the GPU's compute scores (Geekbench OpenCL 235901) indicate it can handle pixel and vertex processing. In practice, at lower resolutions like 1080p, the CPU's 88th percentile might be more impactful, while at 4K, the GPU's 87th percentile becomes the dominant factor. The similar percentiles suggest a well-matched pair, but the marginal CPU advantage implies that users upgrading the GPU later could see benefits without changing the CPU, while upgrading the CPU alone might yield less noticeable gains in GPU-bound workloads.

Who Should Build It

This configuration is suited for desktop users who demand high performance across both CPU and GPU intensive tasks. Gamers targeting 1440p or 4K resolution with high refresh rates will benefit from the RTX 5080's 16 GB VRAM and 960.0 GB/s bandwidth, though the lack of measured FPS data means expectations should be tempered. Content creators, particularly video editors and 3D renderers, will leverage the CPU's 24 threads and Cinebench R23 multi-core score of 26125 for rendering, while the GPU's 56.28 TFLOPS FP32 compute accelerates effects and previews. Software developers compiling large codebases will appreciate the PassMark integer math score of 139090 and data compression score of 537341. Students and small business workstations handling data analysis or light rendering will find the CPU's 88th percentile and GPU's 87th percentile provide a robust platform, though the 125 W CPU TDP and 360 W GPU TDP require adequate cooling and power delivery.

FAQ

Q: What is the CPU's core and thread count?

A: The Intel Core i9-12900K has 16 cores and 24 threads.

Q: How much VRAM does the RTX 5080 have?

A: The NVIDIA GeForce RTX 5080 has 16 GB of GDDR7 memory on a 256-bit bus.

Q: What is the CPU's boost clock speed?

A: The boost clock is 5.20 GHz, with a base clock of 3.20 GHz.

Q: What is the GPU's FP32 performance?

A: The RTX 5080 delivers 56.28 TFLOPS of FP32 compute.

Q: How does the CPU compare to its nearest rival?

A: The 12900K trails the Intel Core i9-12950HX by 0.4% in average benchmark score but leads the AMD Ryzen 5 7400 by 0.7%.

Q: What is the suggested PSU wattage for this GPU?

A: The suggested PSU is 750 W.

Q: Does the CPU support ECC memory?

A: Yes, the 12900K has ECC memory support.

Usage Scenarios

High-refresh gaming: The RTX 5080's 87th percentile and 16 GB VRAM support high-resolution gaming, while the CPU's 88th percentile and single-thread score of 2004.5 in Cinebench R23 ensure frame pacing. However, no measured FPS data exists, so expectations are estimates.

Streaming: The CPU's 24 threads and PassMark multi-thread score of 41213 handle encoding, while the GPU's tensor cores can offload AI-based encoding tasks, though the specific FPS impact is unmeasured.

Video editing: The CPU's Cinebench R23 multi-core score of 26125 accelerates timeline rendering, and the GPU's Geekbench OpenCL score of 235901 speeds up effects and color grading.

3D rendering: The CPU's 16 cores and 24 threads provide geometry processing, while the GPU's 84 RT cores and 56.28 TFLOPS FP32 handle ray tracing and shading in render engines.

Software development: The CPU's PassMark integer math score of 139090 and data compression score of 537341 speed up compilation and data processing, with the GPU's compute aiding parallel algorithms.

Student and office work: The CPU's 88th percentile and single-thread score of 4136 in PassMark ensure snappy productivity, while the GPU's 87th percentile handles occasional graphics tasks, though this is overkill for basic office use.

Build Overview

This is a desktop build combining the Intel Core i9-12900K and NVIDIA GeForce RTX 5080. The CPU is from the Core 12th Gen series, using the Alder Lake architecture, and the GPU is from the GeForce 50-series, using Blackwell 2.0. The combined percentile is 88, placing this system in the upper tier of desktop configurations. The CPU's 88th percentile and GPU's 87th percentile indicate a high-performance pairing, with the CPU marginally ahead. The CPU has a launch MSRP of $599, and the GPU has a launch MSRP of 999 USD, though pricing is not a focus of this analysis. This build is suitable for demanding applications that leverage both multi-threaded processing and graphics compute, though it is not at the absolute top of the performance hierarchy.

Upgrade Path and Platform

The CPU uses Intel Socket 1700, which supports DDR4 and DDR5 memory in a dual-channel configuration with a memory bandwidth of 76.8 GB/s. The socket supports PCIe Gen 5 with 16 lanes from the CPU, and the GPU uses PCIe 5.0 x16. The CPU has a TDP of 125 W, while the GPU has a TDP of 360 W, and the suggested PSU is 750 W. The integrated graphics are UHD Graphics 770, providing a fallback if the GPU is removed. A sensible next upgrade would be to increase memory capacity or switch to faster DDR5 modules, given the dual-channel support. For the GPU, the RTX 5080's successor is listed as GeForce 60, and the predecessor is GeForce 40, so future upgrades would involve moving to a newer generation, though the current pairing is well-balanced. The CPU's production status is Active, and it has a multiplier unlocked, allowing overclocking to extract additional performance.

Gaming Performance

No measured FPS rows exist for this exact CPU+GPU combination, so all frame rate discussions are estimates based on benchmark scores. The CPU's 3DMark 16-thread score of 9912 and the GPU's Steel Nomad score of 8637 provide a baseline, but actual FPS will vary by game and resolution. The GPU's 16 GB VRAM and 960.0 GB/s bandwidth suggest it can handle high-texture settings at 4K, while the CPU's single-thread score of 1073 in 3DMark indicates sufficient processing power for game logic. At 1080p, the CPU might be the limiting factor in some titles due to its 88th percentile, but at 1440p and 4K, the GPU's 87th percentile becomes more relevant. The absence of measured FPS data means these are qualitative expectations, not precise numbers, and users should consult game-specific benchmarks for accurate performance.