SYSTEM ANALYZER

Rate My PC: Intel Core i5-12600K + NVIDIA GeForce RTX 5090 D

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

93 / 100
ULTIMATE READY

Apex Performer

Top 7% 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
88%
VS
GPU
98%
PROCESSOR

Intel Core i5-12600K

27,578 Benchmark Score
Top 12% Market Ranking
View Full Specs →
GRAPHICS CARD

NVIDIA GeForce RTX 5090 D

77,712 Benchmark Score
Top 2% 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 i5-12600K + NVIDIA GeForce RTX 5090 D

This desktop pairing combines Intel's 12th-generation Alder Lake CPU with NVIDIA's flagship Blackwell 2.0 GPU, but the benchmark data reveals a striking imbalance: the RTX 5090 D sits at the 92nd percentile among all GPUs, while the i5-12600K lands at the 79th percentile among all CPUs. The combined percentile for this build is 86, indicating a system that is undeniably powerful, yet one where the processor will frequently be the limiting factor in GPU-bound workloads. The data shows a platform with exceptional graphics headroom and a CPU that, while competent, is a generation behind the GPU's immense capabilities.

CPU Analysis

The Intel Core i5-12600K is a 10-core, 16-thread processor based on the Alder Lake architecture, built on Intel's 10 nm process with a die size of 215 mm². It features a base clock of 3.70 GHz and a boost clock of 4.90 GHz, with a TDP of 125 W. The cache hierarchy includes 80 KB of L1 per core, 1.25 MB of L2 per core, and a shared 20 MB L3 cache. The CPU supports both DDR4 and DDR5 memory in a dual-channel configuration, and it offers PCIe Gen 4 with 20 lanes from the CPU. It also includes integrated UHD Graphics 770 and an unlocked multiplier for overclocking.

Benchmark results indicate a processor that scales well with thread count. The 3DMark scores progress from 1016 in single-thread to 1989 in 2-thread, 3794 in 4-thread, 6144 in 8-thread, and peak at 7975 in 16-thread, with max-thread performance nearly identical at 7966. This near-flat scaling beyond 8 threads suggests the 10-core hybrid design effectively utilizes its performance and efficiency cores. In Cinebench, the R23 multicore score of 17491 versus a single-core score of 1907 shows a multicore-to-single-core ratio of roughly 9.2x, indicating strong parallel efficiency for a mid-range desktop chip. Geekbench results reinforce this with a multicore score of 12599 and single-core score of 2190.

PassMark tests reveal specific workload characteristics. The integer math score of 87776 and floating-point math score of 67217 show solid arithmetic throughput, while data compression at 344071 and random string sorting at 35704 indicate good memory subsystem performance. The extended instructions score of 22002 and data encryption score of 18485 suggest capable AES and SIMD processing. The physics score of 1525 and find prime numbers score of 91 are lower, indicating that the CPU may struggle with certain legacy or single-threaded integer workloads. The average benchmark score of 27578 places the i5-12600K at the 79th percentile, with its nearest rival being the AMD Ryzen 7 5700X at a 0% delta, meaning performance is essentially identical. The Ryzen 5 7600X is 0.2% ahead, while the Ryzen 7 5800 is 0.2% behind, and the Intel Core Ultra 5 125H is 0.3% ahead.

For real workloads, this CPU is a solid all-rounder. The 10 cores and 16 threads handle modern multithreaded applications like video encoding and compilation well, while the 4.90 GHz boost clock ensures snappy single-threaded response in everyday tasks. However, the 20 MB L3 cache is modest by modern standards, and the lack of ECC memory support may matter for certain workstation users.

GPU Analysis

The NVIDIA GeForce RTX 5090 D is a monster of a graphics card. Based on the GB202 chip with Blackwell 2.0 architecture, it is manufactured on TSMC's 5 nm process with 92,200 million transistors on a 750 mm² die, yielding a transistor density of 122.9 million per mm². It features 32 GB of GDDR7 memory on a 512-bit bus, delivering a staggering 1.79 TB/s of memory bandwidth. The memory clock runs at 1750 MHz with 28 Gbps effective speed. The GPU core operates at a base clock of 2017 MHz and boosts to 2407 MHz.

Compute resources are massive: 21760 shading units, 680 texture mapping units, 176 ROPs, 170 RT cores, and 680 tensor cores. The pixel rate is 423.6 GPixel/s, and the texture rate is 1,636.8 GTexel/s. Raw compute throughput is rated at 104.8 TFLOPS for both FP32 and FP16, indicating a 1:1 ratio that is unusual and suggests this card is heavily optimized for AI workloads. The TDP is 575 W, requiring a 950 W suggested PSU and a single 16-pin power connector. The card is dual-slot with dimensions of 304 mm in length, 137 mm in height, and 48 mm in width.

Benchmark results place the RTX 5090 D at the 92nd percentile among all GPUs, with an average benchmark score of 77712. The 3DMark Steel Nomad DX12 score is 14326, which is a strong indicator of modern DirectX 12 gaming performance. Geekbench OpenCL scores 310674 and Vulkan scores 376915, showing excellent compute API utilization. PassMark G3D scores 44065, with GPU compute at 28396. The nearest rivals are interesting: the AMD Radeon RX 6850M XT is 1.6% ahead, while the RX 6650M XT is 1.1% behind, and the NVIDIA Tesla P100 PCIe variants are 2.1% and 2.4% behind. This suggests that in the benchmark database's scoring, the RTX 5090 D's performance is closely matched by some mobile and datacenter parts, though these comparisons are based on average scores that may weight different workloads.

For rendering workloads, the 32 GB VRAM is exceptional, allowing massive texture loads and complex scenes without memory pressure. The 1.79 TB/s bandwidth ensures that data-intensive operations like ray tracing and AI denoising have ample throughput. The 170 RT cores and 680 tensor cores will accelerate both real-time ray tracing and DLSS-style upscaling tasks. The FP32 and FP16 at 104.8 TFLOPS suggests this GPU is equally adept at traditional graphics compute and half-precision AI inference.

Benchmark Performance

The exact CPU scores show a processor that performs admirably in synthetic tests. The 3DMark 16-thread score of 7975 is nearly identical to the max-thread score of 7966, indicating that the CPU is fully utilized at 16 threads and adding more threads does not help. The 3DMark single-thread score of 1016 is modest compared to modern high-end chips, but the 8-thread score of 6144 shows good scaling. In Cinebench R20, the multicore score of 9821 and single-core score of 1386 show similar scaling characteristics. The Geekbench multicore score of 12599 is respectable, while the single-core score of 2190 is typical for the Alder Lake generation.

The GPU scores are where this build shines. The 3DMark Steel Nomad DX12 score of 14326 is a strong indicator of 1440p and 4K gaming capability. The Geekbench Vulkan score of 376915 is particularly high, suggesting excellent driver optimization for Vulkan titles. The PassMark G3D score of 44065 places the GPU in the top tier, while the GPU compute score of 28396 shows it is also a formidable compute device.

The combined picture is one of asymmetry. The CPU is at the 79th percentile, the GPU at the 92nd percentile, and the combined system at the 86th percentile. This means that in a balanced workload, the system performs above average, but in GPU-heavy scenarios, the CPU will bottleneck. The average CPU benchmark score of 27578 is exactly matched by the AMD Ryzen 7 5700X, showing that the i5-12600K is an upper-mid-range processor. The GPU's average score of 77712 is within 1.6% of the RX 6850M XT, which is a mobile part, indicating that the RTX 5090 D's desktop performance is being compared against a wide range of hardware.

Upgrade Path and Platform

The Intel Core i5-12600K uses the LGA 1700 socket, which is shared with other 12th-generation Alder Lake processors. The platform supports both DDR4 and DDR5 memory, giving builders flexibility, though the dual-channel memory bus means that higher bandwidth DDR5 will be beneficial for matching the GPU's data appetite. PCIe Gen 4 with 20 lanes from the CPU is sufficient for most GPUs, though the RTX 5090 D uses PCIe 5.0 x16, which is backward compatible but will run at Gen 4 speeds if the motherboard does not support Gen 5.

The CPU has a TDP of 125 W, which is manageable for a capable air cooler, while the GPU has a TDP of 575 W and requires a suggested PSU of 950 W. This PSU requirement is substantial, and the system will need a high-wattage power supply with a 16-pin connector. The GPU is dual-slot and 304 mm long, so case clearance is a consideration. The platform is not upgradeable to newer CPU generations beyond the 12th-gen and 13th-gen that share the LGA 1700 socket, so the upgrade path for the CPU is limited.

A sensible next upgrade would be a more powerful CPU on the same socket, such as a higher-core-count 12th-generation i7 or i9, which would better match the RTX 5090 D's capabilities. Alternatively, one could consider a platform change to a newer socket that supports PCIe Gen 5 and DDR5 at higher speeds. However, given that the CPU has an unlocked multiplier, overclocking could squeeze additional performance without a platform change. The memory support for both DDR4 and DDR5 means that a builder could upgrade memory without changing the motherboard, though the CPU's memory bandwidth is not specified in the data.

Balance and Bottleneck

The benchmark data clearly indicates that the RTX 5090 D is the dominant component in this build, but the bottleneck analysis is nuanced. The CPU has a 3DMark 16-thread score of 7975, which is high for a mid-range chip, but the GPU's 3DMark Steel Nomad score of 14326 is exceptional. In gaming workloads, the CPU is likely to limit frame rates at lower resolutions where the GPU is not fully taxed, but at higher resolutions the GPU will become the limiting factor.

The CPU's percentile of 79 versus the GPU's percentile of 92 means that in multithreaded workloads that use both components, the CPU will finish its tasks and wait for the GPU, or vice versa. The PassMark integer math score of 87776 is strong, but the find prime numbers score of 91 is weak, indicating that the CPU may struggle with certain integer-heavy tasks. The GPU's FP32 of 104.8 TFLOPS is enormous, suggesting that any compute task will be GPU-bound unless it requires the CPU to feed data.

The FPS scaling evidence, while not measured for this exact combination, can be inferred from the benchmark scores. At 1080p, the CPU's single-thread score of 1016 in 3DMark and Cinebench R23 single-core score of 1907 will likely cap frame rates in esports titles. At 1440p and 4K, the GPU will dominate, and the CPU will be less of a bottleneck. The data suggests a system that is well-balanced for high-resolution gaming but less so for competitive low-resolution gaming.

Gaming Performance

No measured FPS rows exist for this exact combination, and the FACT PACK contains no measuredFps data. Therefore, all frame rate discussion is estimated from the benchmark scores and should be treated as qualitative expectations rather than precise figures.

Based on the 3DMark Steel Nomad DX12 score of 14326, the GPU is capable of excellent DirectX 12 performance. At 1440p and 4K resolutions, the RTX 5090 D with its 32 GB VRAM and 1.79 TB/s bandwidth should deliver very high frame rates in most modern titles, with the CPU being sufficient to keep up. The GPU's pixel rate of 423.6 GPixel/s and texture rate of 1,636.8 GTexel/s indicate it can handle high-resolution textures and complex geometry without issue.

At 1080p, the CPU's 3DMark single-thread score of 1016 and Cinebench R23 single-core score of 1907 suggest that the processor may limit frame rates in CPU-bound scenes. The PassMark single-thread score of 3926 is modest compared to the GPU's power, so esports titles that rely on high CPU clock speeds may not achieve their full potential. The 4.90 GHz boost clock helps, but the 10-core design is not optimized for extreme single-thread performance.

For ray-traced workloads, the 170 RT cores should provide strong performance, and the 680 tensor cores will enable DLSS where supported. The 1.79 TB/s bandwidth and 32 GB VRAM will prevent texture streaming issues in open-world games. Overall, gaming performance is expected to be excellent at high resolutions, with the caveat that low-resolution high-refresh-rate gaming may be CPU-limited.

Who Should Build It

This build targets users who prioritize GPU-bound workloads and are willing to accept a mid-range CPU. Gamers at 1440p and 4K resolutions will benefit most from the RTX 5090 D's capabilities, as the GPU's 92nd percentile performance will deliver high frame rates in demanding titles. The 32 GB VRAM makes this system suitable for 4K texture packs and future game releases that demand large memory pools.

Content creators who work with video editing, 3D rendering, and AI applications will find the GPU's 104.8 TFLOPS FP16 performance and 680 tensor cores useful for acceleration. The CPU's 10 cores and 16 threads are adequate for multitasking and non-GPU-accelerated tasks, though they will not be the primary strength of the system. Developers working on machine learning models or GPU compute will appreciate the Vulkan score of 376915 and OpenCL score of 310674.

Students and small business workstations that need to run GPU-intensive applications like CAD, data visualization, or scientific simulations will find the 32 GB VRAM valuable. However, the 575 W TDP and 950 W suggested PSU mean that power consumption is high, which may be a consideration for office environments. The desktop form factor and dual-slot GPU require a full-sized case with adequate cooling.

Build Overview

This is a desktop build that pairs a mid-range 12th-generation Intel Core i5 processor with a flagship 50-series NVIDIA GPU. The i5-12600K is a 10-core, 16-thread Alder Lake chip with a 125 W TDP, while the RTX 5090 D is a 575 W Blackwell 2.0 GPU with 32 GB GDDR7 memory. The combined percentile of 86 places this system in the upper tier of all builds, but the configuration is clearly GPU-dominant.

The CPU is at the 79th percentile, which is solidly above average, but it is not a top-tier processor. The GPU is at the 92nd percentile, placing it in the top 8% of all graphics cards. This imbalance means that the system will excel in GPU-bound tasks but may underperform in CPU-bound scenarios. The data shows a build that is designed for maximum graphics performance, with the CPU chosen as a cost-effective companion rather than a performance equal. The 10-core CPU is capable, but it does not match the immense computational power of the RTX 5090 D.

FAQ

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

A: The combined percentile is 86, placing the system in the upper tier of all builds.

Q: How does the i5-12600K compare to its nearest rival, the AMD Ryzen 7 5700X?

A: The two processors have identical average benchmark scores of 27578, with a deltaPct of 0%, meaning performance is exactly matched.

Q: What is the GPU's memory bandwidth and capacity?

A: The RTX 5090 D has 32 GB of GDDR7 memory with a 512-bit bus, providing 1.79 TB/s of memory bandwidth.

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

A: The suggested PSU is 950 W, which is required to handle the GPU's 575 W TDP.

Q: Does the CPU support ECC memory?

A: No, the i5-12600K does not support ECC memory.

Q: What is the RTX 5090 D's raw FP32 compute performance?

A: The GPU delivers 104.8 TFLOPS of FP32 performance, with FP16 also rated at 104.8 TFLOPS, indicating a 1:1 ratio.

Q: Are there measured FPS figures for this build in games?

A: No, the FACT PACK contains no measured FPS data for this exact combination, so all frame rate discussions are estimates based on benchmark scores.