SYSTEM ANALYZER

Rate My PC: Intel Core i9-12900K + NVIDIA GeForce RTX 3080

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

92 / 100
ULTIMATE READY

Apex Performer

Top 8% 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
92%
PROCESSOR

Intel Core i9-12900K

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

NVIDIA GeForce RTX 3080

23,172 Benchmark Score
Top 8% 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 3080: A High-Performance Desktop Pairing

This desktop build combines Intel’s 12th-generation flagship CPU with NVIDIA’s Ampere-based RTX 3080 GPU, creating a system that targets high-end gaming and demanding productivity workloads. The Core i9-12900K sits at the 88th percentile among all CPUs, while the RTX 3080 ranks at the 68th percentile among all GPUs, giving the combined platform a 78th-percentile overall standing. Benchmark data indicates strong multi-threaded CPU performance and solid GPU compute capabilities, though the pairing shows a notable imbalance in certain workloads. No measured FPS data exists for this exact combination, so all gaming frame rates discussed here are estimates derived from the individual component benchmark scores.

CPU Analysis

The Intel Core i9-12900K is a 16-core, 24-thread processor based on the Alder Lake-S architecture, manufactured on Intel’s 10 nm process with a die size of 215 mm². It features a base clock of 3.20 GHz and a boost clock of 5.20 GHz, with a 125 W TDP. The cache hierarchy includes 80 KB of L1 per core, 1.25 MB of L2 per core, and 30 MB of shared L3 cache. Memory support spans both DDR4 and DDR5 across a dual-channel bus, delivering 76.8 GB/s of memory bandwidth, and the CPU supports ECC memory. The integrated UHD Graphics 770 provides basic display output, while the processor connects via PCIe Gen 5 with 16 lanes available from the CPU.

Benchmark results reveal a processor that excels in multi-threaded scenarios. In Cinebench R23, the i9-12900K scores 26,125 points in multi-core and 2,004.5 in single-core, indicating a roughly 13x scaling from single to multi-threaded workloads. The 3DMark results show a similar pattern: 1,073 in single-thread, 2,120 in 2-thread, 4,145 in 4-thread, 7,596 in 8-thread, 9,912 in 16-thread, and 11,620 in max-thread tests. This scaling suggests excellent thread utilization, with diminishing returns beyond 16 threads due to the hybrid P-core/E-core arrangement. The PassMark multi-thread score of 41,213 and single-thread score of 4,136 reinforce this picture, while the floating-point math score of 105,471 and integer math score of 139,090 highlight strong arithmetic throughput.

The CPU’s average benchmark score of 42,335 places it at the 88th percentile among all CPUs. Its nearest rivals include the Intel Core i9-12950HX (average score 42,487, 0.4% faster), AMD Ryzen 5 7400 (42,055, 0.7% slower), AMD Ryzen 9 PRO 8945HS (41,963, 0.9% slower), and Intel Core i7-14700T (41,914, 1% slower). The data shows the i9-12900K is essentially neck-and-neck with these alternatives, with performance differences under 1% in most cases. This suggests that for multi-threaded workloads like video encoding, 3D rendering, and software compilation, the i9-12900K delivers performance on par with newer mobile and lower-power desktop parts, despite being a 2021 release.

In single-threaded workloads, the Cinebench R20 score of 2,072 and Geekbench single-core score of 2,193 indicate strong per-core performance, which is critical for legacy applications and lightly-threaded tasks. The PassMark data compression score of 537,341 and encryption score of 29,579 further demonstrate the CPU’s capability in data-intensive operations. The extended instructions score of 33,682 suggests robust AVX and SIMD performance, beneficial for scientific computing and media processing.

FAQ

Q: How does the Core i9-12900K compare to its nearest rivals in multi-threaded performance?

A: The i9-12900K scores 42,335 on average, which is 0.4% behind the Intel Core i9-12950HX (42,487), 0.7% ahead of the AMD Ryzen 5 7400 (42,055), 0.9% ahead of the AMD Ryzen 9 PRO 8945HS (41,963), and 1% ahead of the Intel Core i7-14700T (41,914). These deltas are minimal, indicating near-parity performance across these four CPUs.

Q: What is the RTX 3080’s memory configuration and bandwidth?

A: The RTX 3080 features 10 GB of GDDR6X memory on a 320-bit bus, delivering 760.3 GB/s of memory bandwidth. The memory clock runs at 1188 MHz with 19 Gbps effective data rate. This configuration supports high-resolution textures and compute workloads that demand substantial memory throughput.

Q: Does the i9-12900K support both DDR4 and DDR5 memory?

A: Yes, the processor officially supports both DDR4 and DDR5 memory across a dual-channel bus, with a maximum memory bandwidth of 76.8 GB/s. This flexibility allows builders to choose between more affordable DDR4 or faster DDR5 modules, though the actual bandwidth ceiling depends on the memory type and speed used.

Q: What is the GPU’s percentile ranking and average benchmark score?

A: The RTX 3080 holds a 68th-percentile position among all GPUs, with an average benchmark score of 23,172. Its nearest rivals include the NVIDIA P106-100 (23,249, 0.3% faster), AMD Radeon Pro Vega 16 (23,250, 0.3% faster), AMD Radeon RX 6600M (23,273, 0.4% faster), and AMD Radeon R9 M290X (23,276, 0.4% faster).

Q: How many RT and tensor cores does the RTX 3080 have?

A: The RTX 3080 includes 68 RT cores and 272 tensor cores, which enable hardware-accelerated ray tracing and AI-based features like DLSS. The tensor cores provide 29.77 TFLOPS of FP16 performance, while the RT cores handle ray-traced geometry and lighting calculations.

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

A: The combined platform achieves a 78th-percentile ranking, which is lower than the CPU’s individual 88th percentile but higher than the GPU’s 68th percentile. This suggests the GPU is the limiting factor in overall system performance for many workloads.

Q: Does the i9-12900K have an unlocked multiplier?

A: Yes, the multiplier is unlocked, allowing overclocking on supported Intel Socket 1700 motherboards with appropriate chipsets. The CPU’s boost clock of 5.20 GHz can potentially be exceeded with manual tuning, though the 125 W TDP may require robust cooling.

GPU Analysis

The NVIDIA GeForce RTX 3080 is built on the GA102 chip using Samsung’s 8 nm process, with 28,300 million transistors on a 628 mm² die. The GPU features 8,704 shading units, 272 texture mapping units, and 96 raster operation units. Clock speeds are set at 1440 MHz base and 1710 MHz boost, with memory running at 1188 MHz (19 Gbps effective). The memory subsystem consists of 10 GB of GDDR6X across a 320-bit bus, providing 760.3 GB/s of bandwidth. Pixel rate reaches 164.2 GPixel/s, and texture rate hits 465.1 GTexel/s. FP32 compute is rated at 29.77 TFLOPS, with FP16 at the same 29.77 TFLOPS (1:1 ratio).

The RTX 3080 includes 68 RT cores and 272 tensor cores, enabling hardware ray tracing and AI acceleration. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, making it compatible with modern graphics APIs. Display outputs include 1x HDMI 2.1 and 3x DisplayPort 1.4a. The card is dual-slot, 285 mm long, 112 mm high, and 40 mm wide, requiring a 700 W suggested power supply and a single 12-pin power connector. Its TDP is 320 W.

Benchmark results show the RTX 3080 achieving a 3DMark Steel Nomad DX12 score of 4,407, a Geekbench OpenCL score of 152,423, and a Geekbench Vulkan score of 33,620. PassMark results include a G3D score of 25,086, GPU compute score of 14,397, DirectX 12 score of 100, DirectX 11 score of 207, DirectX 10 score of 170, DirectX 9 score of 258, and G2D score of 1,054. These numbers indicate strong compute performance, particularly in OpenCL, which is relevant for rendering and scientific workloads.

The GPU’s average benchmark score of 23,172 places it at the 68th percentile among all GPUs. Its nearest rivals are notably older or lower-tier parts: the NVIDIA P106-100 (23,249, 0.3% faster), AMD Radeon Pro Vega 16 (23,250, 0.3% faster), AMD Radeon RX 6600M (23,273, 0.4% faster), and AMD Radeon R9 M290X (23,276, 0.4% faster). This clustering suggests the RTX 3080’s average benchmark score is not exceptionally high, but the individual test results (especially OpenCL and 3DMark) show it excels in modern workloads. The DirectX 12 score of 100 is notably low compared to DirectX 11’s 207, which may indicate driver overhead or benchmark-specific quirks rather than raw capability.

Gaming Performance

No measured FPS data exists for this exact CPU+GPU combination, so all gaming frame rates discussed here are estimates derived from the individual benchmark scores. The RTX 3080’s 3DMark Steel Nomad DX12 score of 4,407 suggests strong DirectX 12 performance, while the CPU’s 3DMark max-thread score of 11,620 indicates ample processing power for game logic and physics. The GPU’s 10 GB of GDDR6X memory and 760.3 GB/s bandwidth should handle 1080p and 1440p gaming with high texture settings, while 4K gaming may be limited by the 10 GB capacity in some modern titles.

At 1080p, the combination of the i9-12900K’s single-thread score of 1,073 in 3DMark and the RTX 3080’s compute capabilities should deliver high refresh rates in most titles, likely exceeding 144 FPS in esports and competitive games. At 1440p, the GPU becomes the primary bottleneck, but the 68th-percentile GPU ranking suggests solid performance for high-refresh 1440p gaming. For 4K, the RTX 3080’s 10 GB VRAM and 29.77 TFLOPS FP32 compute should handle many titles at 60 FPS, though ultra settings with ray tracing may push the GPU to its limits.

The CPU’s 88th-percentile ranking means it is unlikely to bottleneck the GPU in most gaming scenarios, except in CPU-bound titles at lower resolutions. The 16 cores and 24 threads provide headroom for background tasks like streaming or Discord while gaming. The 30 MB of L3 cache helps with game asset streaming, and the dual-channel memory bandwidth of 76.8 GB/s is sufficient for gaming workloads. Overall, this pairing should deliver a high-quality gaming experience at 1440p, with 4K performance depending on the specific title and settings.

Upgrade Path and Platform

The Intel Core i9-12900K uses the Intel Socket 1700 interface, which supports 12th-generation Alder Lake processors. The platform supports both DDR4 and DDR5 memory across a dual-channel bus, providing flexibility for builders. The CPU provides 16 PCIe Gen 5 lanes, while the RTX 3080 uses PCIe 4.0 x16, ensuring full bandwidth for the GPU. The 125 W TDP of the CPU and 320 W TDP of the GPU suggest a total system power draw that fits within the 700 W suggested PSU rating for the GPU alone, though a quality 850 W unit would provide additional headroom for overclocking.

The RTX 3080 is marked as end-of-life, with the GeForce 30-series succeeded by the GeForce 40-series. This means future GPU upgrades would require moving to a newer architecture, potentially the RTX 40-series or later. The CPU, however, remains in active production, and its unlocked multiplier allows overclocking to extend its useful life. The Socket 1700 platform supports up to 16 PCIe Gen 5 lanes from the CPU, which could accommodate future high-bandwidth devices like NVMe SSDs or additional GPUs, though the RTX 3080 itself uses PCIe 4.0.

For a sensible next upgrade, users could consider increasing system memory to the maximum supported by the dual-channel bus, or upgrading to a newer GPU when the RTX 3080 becomes insufficient. The CPU’s 88th-percentile ranking suggests it will remain relevant for several years, while the GPU’s 68th-percentile ranking may be the first component to require replacement. The 700 W suggested PSU provides sufficient power for the current configuration, but a higher-wattage unit would be needed for a more power-hungry GPU in the future.

Who Should Build It

This desktop build targets users who need strong multi-threaded CPU performance combined with capable GPU compute. Gamers at 1440p resolution will benefit from the CPU’s 88th-percentile ranking and the GPU’s solid 3DMark scores, which together should deliver high refresh rates in most titles. Content creators working with video editing, 3D rendering, or software development will appreciate the i9-12900K’s Cinebench R23 multi-core score of 26,125 and PassMark multi-thread score of 41,213, which indicate fast rendering and compilation times.

Developers compiling large codebases will see significant speedups from the 16-core, 24-thread configuration, with the Geekbench multi-core score of 16,378 and PassMark integer math score of 139,090 supporting heavy parallel workloads. Students and small business workstations can leverage the CPU’s integrated UHD Graphics 770 for basic tasks while reserving the RTX 3080 for GPU-accelerated applications. The 10 GB VRAM and 29.77 TFLOPS FP32 compute make this system suitable for machine learning inference, scientific computing, and CAD workloads that utilize CUDA acceleration.

The combination is less ideal for users who prioritize maximum gaming FPS at 4K, as the GPU’s 68th-percentile ranking and 10 GB VRAM may limit performance in the most demanding titles. However, for 1440p gaming and productivity workloads, this build offers a strong balance of CPU and GPU capabilities. The CPU’s 88th-percentile ranking ensures it won’t hold back the GPU in most scenarios, while the GPU provides sufficient compute for mainstream creative work.

Benchmark Performance

The CPU’s average benchmark score of 42,335 places it at the 88th percentile among all CPUs, with a multi-threaded Cinebench R23 score of 26,125 and single-core score of 2,004.5. The GPU’s average benchmark score of 23,172 places it at the 68th percentile among all GPUs, with a 3DMark Steel Nomad DX12 score of 4,407 and Geekbench OpenCL score of 152,423. The combined platform achieves a 78th-percentile ranking, reflecting the CPU’s strength and the GPU’s moderate position.

The CPU’s nearest rivals show tight competition: the Intel Core i9-12950HX leads by 0.4%, while the AMD Ryzen 5 7400 trails by 0.7%, the AMD Ryzen 9 PRO 8945HS by 0.9%, and the Intel Core i7-14700T by 1%. This indicates the i9-12900K performs essentially at parity with these newer or lower-power parts. The GPU’s nearest rivals are all older or lower-tier models, with the NVIDIA P106-100, AMD Radeon Pro Vega 16, AMD Radeon RX 6600M, and AMD Radeon R9 M290X all within 0.4% of the RTX 3080’s average score.

The combined picture shows a system where the CPU significantly outperforms the GPU in relative terms. The CPU’s 88th-percentile ranking suggests it is a high-end part, while the GPU’s 68th-percentile ranking indicates it is above average but not top-tier. This imbalance means the GPU will be the limiting factor in GPU-bound workloads, while the CPU provides ample headroom for CPU-intensive tasks. The 3DMark 16-thread score of 9,912 and max-thread score of 11,620 demonstrate the CPU’s ability to feed the GPU with data, while the GPU’s 3DMark Steel Nomad score of 4,407 shows its raw rendering capability.

Build Overview

This is a desktop-class build pairing Intel’s Core i9-12900K with NVIDIA’s GeForce RTX 3080. The CPU is a 16-core, 24-thread Alder Lake-S processor with a 5.20 GHz boost clock and 125 W TDP, while the GPU is an Ampere-architecture card with 10 GB of GDDR6X memory and 320 W TDP. The combined platform ranks at the 78th percentile, positioning it as a high-end desktop system suitable for demanding applications.

The CPU’s 88th-percentile ranking places it among the top 12% of all processors, while the GPU’s 68th-percentile ranking places it in the upper third of all graphics cards. This pairing is typical of a high-performance gaming or workstation build from the 2020-2021 era, with the CPU providing exceptional multi-threaded performance and the GPU delivering solid rasterization and compute capabilities. The system is designed for 1440p gaming and productivity workloads, with the CPU’s 16 cores handling multi-threaded tasks and the GPU’s 29.77 TFLOPS FP32 compute accelerating graphics and compute applications.

Balance and Bottleneck

The performance data reveals a clear imbalance between CPU and GPU capabilities. The CPU’s 88th-percentile ranking versus the GPU’s 68th-percentile ranking indicates that the GPU is the limiting factor in most workloads. In GPU-bound scenarios like gaming at high resolutions, the RTX 3080 will determine the maximum frame rate, with the CPU providing more than enough processing power to avoid becoming a bottleneck. The CPU’s 3DMark max-thread score of 11,620 and single-thread score of 1,073 suggest it can handle game logic and physics without limiting the GPU.

In CPU-bound workloads like video encoding, 3D rendering, or software compilation, the i9-12900K’s 88th-percentile ranking means it will excel, while the GPU’s compute capabilities may go underutilized. The PassMark GPU compute score of 14,397 and Geekbench OpenCL score of 152,423 indicate the GPU is still capable in compute tasks, but the CPU’s 26,125 Cinebench R23 multi-core score suggests it will lead in pure CPU workloads. The combined 78th-percentile ranking reflects this balance, with the CPU pulling the overall score up and the GPU pulling it down.

The FPS scaling evidence, though not directly measured, can be inferred from the benchmark scores. At lower resolutions like 1080p, the CPU’s strong single-thread performance will dominate, potentially allowing the GPU to reach its maximum frame output. At higher resolutions like 4K, the GPU’s 10 GB VRAM and 760.3 GB/s bandwidth will become the primary constraint, limiting performance despite the CPU’s headroom. This suggests that users targeting 4K gaming should consider a more powerful GPU, while 1440p and below will see a balanced performance profile.

Usage Scenarios

High-refresh gaming: At 1080p and 1440p, the i9-12900K’s single-thread score of 1,073 in 3DMark and the RTX 3080’s 3DMark Steel Nomad score of 4,407 should deliver high frame rates in competitive titles, potentially exceeding 144 FPS at 1080p. The CPU’s 88th-percentile ranking ensures minimal bottlenecking, while the GPU’s 10 GB VRAM handles modern game assets at these resolutions.

Streaming: The CPU’s 16 cores and 24 threads provide ample headroom for encoding while gaming, with the PassMark multi-thread score of 41,213 and data compression score of 537,341 supporting real-time video encoding. The GPU’s tensor cores could also be used for AI-based encoding features, though the CPU alone is capable of handling streaming workloads.

Video editing: The CPU’s Cinebench R23 multi-core score of 26,125 and PassMark floating-point math score of 105,471 indicate fast rendering and effects processing in applications like Adobe Premiere or DaVinci Resolve. The GPU’s 29.77 TFLOPS FP32 compute accelerates GPU-accelerated effects and color grading, while the 10 GB VRAM handles 4K timelines.

3D rendering: The CPU’s 16 cores and 24 threads excel in CPU-based renderers, with the Cinebench R20 multi-core score of 14,679 and Geekbench multi-core score of 16,378 supporting complex scenes. The GPU’s 68 RT cores and 272 tensor cores enable hardware-accelerated ray tracing and denoising, while the 760.3 GB/s memory bandwidth facilitates texture streaming.

Software development: The CPU’s PassMark integer math score of 139,090 and multi-thread score of 41,213 accelerate code compilation, with the 30 MB L3 cache and dual-channel memory bandwidth supporting large build processes. The GPU’s compute capabilities can be leveraged for parallel processing tasks like unit testing or simulation.

Student and office work: The CPU’s integrated UHD Graphics 770 provides basic display output for everyday tasks, while the RTX 3080 remains available for GPU-accelerated applications. The 125 W TDP and 320 W GPU TDP require adequate cooling, but the system’s 78th-percentile ranking ensures it handles typical office workloads with ease.