SYSTEM ANALYZER

Rate My PC: Intel Core i5-12600KF + NVIDIA GeForce RTX 3090

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PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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90 Score

Top 10% Ranking

90 / 100

ULTIMATE READY

Apex Performer

Top 10% 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%

GPU

93%

PROCESSOR

Intel Core i5-12600KF

27,799 Benchmark Score

Top 12% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 3090

27,565 Benchmark Score

Top 7% Market Ranking

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Market Position

How your build compares to others

Budget

0-30

Mid-Range

30-60

High-End

60-85

Enthusiast

85-100

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Optimal Performance

Your system is in the top tier. You can run any modern game at maximum settings.

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Consider a 4K 144Hz monitor to fully utilize your hardware capabilities.

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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 i5-12600KF + NVIDIA GeForce RTX 3090: A Desktop Powerhouse Examined

This pairing combines Intel's 10-core Alder Lake processor with NVIDIA's flagship Ampere GPU, creating a desktop configuration that ranks in the 76th percentile overall. The CPU and GPU each hold respectable positions in their respective categories — the i5-12600KF sits at the 79th percentile among all CPUs, while the RTX 3090 lands at the 73rd percentile among all GPUs. The data reveals a system built for high-end workloads, though the balance between components raises questions about where each part's strengths are best utilized.

Upgrade Path and Platform

The Intel Core i5-12600KF uses the Intel Socket 1700 platform, which anchors the system to Alder Lake architecture built on Intel's 10 nm process with a 215 mm² die. Memory support spans both DDR4 and DDR5 across a dual-channel bus, giving builders flexibility in choosing between established and next-generation memory technologies. The memory bandwidth figure is not specified in the data, so the practical impact of choosing one memory type over the other remains a qualitative consideration. ECC memory is not supported, which narrows the platform's appeal for certain workstation applications but does not affect gaming or consumer productivity.

PCIe connectivity comes from the CPU itself, offering Gen 4 with 20 lanes. This provides ample bandwidth for the RTX 3090's PCIe 4.0 x16 interface and leaves additional lanes for NVMe storage or other expansion cards. The platform's power delivery requirements are substantial: the CPU carries a 125 W TDP, while the GPU demands 350 W, and the suggested PSU rating is 750 W. Builders need to account for this headroom when selecting a power supply, especially considering the GPU's single 12-pin power connector configuration.

The CPU is unlocked with a multiplier that can be adjusted, giving overclocking headroom on compatible Z-series motherboards. The production status is listed as Active, meaning the CPU remains in the market, while the GPU is End-of-life with its successor already established. A sensible next upgrade path would involve moving to a higher-core-count CPU within the same Socket 1700 generation, provided motherboard BIOS support exists. The GPU, being end-of-life, suggests that future upgrades would target its successor generation rather than another Ampere card. The platform's DDR4/DDR5 flexibility means memory upgrades could go either direction, though the lack of a stated memory bandwidth figure makes quantitative comparison difficult.

Benchmark Performance

The CPU's benchmark results paint a picture of strong multi-threaded performance with respectable single-thread capabilities. In 3DMark tests, the i5-12600KF scores 7956 at 16 threads and 7952 at max threads, showing near-linear scaling from 16 threads to the full thread count. The single-thread score of 1016 and 2-thread score of 1995 indicate solid per-core performance, though the jump from 2 to 4 threads (3806) and 4 to 8 threads (6128) demonstrates the efficiency of the hybrid core design.

Cinebench results reinforce this profile. The R23 multicore score of 23391 places the CPU comfortably in high-performance territory, while the single-core score of 3302 shows strong lightly-threaded performance. The R20 scores of 9824 multicore and 1386 single-core follow the same pattern. Geekbench scores of 12137 multicore and 2157 single-core align with these findings. PassMark results show particular strengths in integer math (87830) and floating-point math (67074), with data compression at 343231 and random string sorting at 35602. The extended instructions score of 22003 and data encryption at 18445 round out a balanced profile.

The CPU's average benchmark score of 27799 places it just 0.3% below the Intel Core i9-10900K and AMD Ryzen 7 5800X3D, while sitting 0.3% above the AMD Ryzen 5 8500GE and matching the AMD Ryzen 7 6800U within the same margin. This clustering suggests the i5-12600KF delivers performance nearly identical to these rivals, making the choice between them depend on platform features rather than raw speed.

The GPU's benchmark results show its compute prowess. The 3DMark Steel Nomad DX12 score of 5118 demonstrates modern API performance, while Geekbench OpenCL reaches 172758 and Vulkan scores 53927. PassMark G3D scores 26645 with GPU compute at 15356. The GPU's average benchmark score of 27565 places it 0.5% above the RTX 4070 Mobile and RX 6700 XT, but 1% below the Radeon Pro Vega 20 and 1.1% below the RX 7800M. These tight margins indicate the RTX 3090 remains competitive with newer mid-range and mobile offerings despite being end-of-life.

FAQ

Q: What socket does the Intel Core i5-12600KF use?

A: The CPU uses Intel Socket 1700, which is compatible with Alder Lake motherboards from the 12th generation Core series.

Q: How much VRAM does the RTX 3090 have and what type is it?

A: The GPU features 24 GB of GDDR6X memory on a 384-bit bus, providing 936.2 GB/s of memory bandwidth.

Q: Does the CPU support ECC memory?

A: No, ECC memory is not supported by the i5-12600KF.

Q: What is the suggested power supply wattage for this GPU?

A: The suggested PSU for the RTX 3090 is 750 W, which accounts for the GPU's 350 W TDP.

Q: How does the CPU compare to the AMD Ryzen 7 5800X3D?

A: The i5-12600KF scores 27799 on average, which is 0.3% lower than the Ryzen 7 5800X3D's 27896 average score.

Q: What is the boost clock speed of the i5-12600KF?

A: The CPU has a boost clock of 4.90 GHz, with a base clock of 3.70 GHz.

Q: Is the RTX 3090 still in production?

A: No, the GPU's production status is listed as End-of-life, with the GeForce 40 series as its successor.

Gaming Performance

No measured FPS data exists for this exact CPU-GPU combination. The FACT PACK contains no measured FPS rows, so all frame rate discussion here is estimated from the benchmark scores. The RTX 3090's PassMark G3D score of 26645 and 3DMark Steel Nomad DX12 score of 5118 indicate strong traditional rasterization performance, while the CPU's single-thread score of 1016 in 3DMark suggests it can feed the GPU adequately in most gaming scenarios.

At 1080p and 1440p resolutions, the CPU's single-thread performance becomes more critical, and the i5-12600KF's 3DMark single-thread score of 1016 combined with its Cinebench R23 single-core score of 3302 should prevent significant CPU bottlenecks in most titles. The GPU's 24 GB VRAM and 936.2 GB/s bandwidth provide ample headroom for high-resolution textures and modern game assets. At 4K resolution, the GPU becomes the primary constraint, and the RTX 3090's compute capabilities should deliver playable frame rates in demanding titles, though exact numbers cannot be stated without measured data.

The GPU's DirectX 12 Ultimate support and Vulkan 1.4 compatibility ensure modern game APIs are fully supported. The RTX 3090's 82 RT cores and 328 tensor cores suggest strong ray tracing and DLSS performance, but specific frame rate impacts require measured data to quantify. Based on the benchmark scores, this pairing should handle high-refresh 1440p gaming and solid 4K gaming, but these figures are estimates derived from synthetic benchmarks rather than real-world game tests.

Who Should Build It

This desktop configuration targets users who need both strong CPU and GPU performance for demanding applications. Gamers seeking high-refresh 1440p or playable 4K experiences would benefit from the RTX 3090's compute power, while the i5-12600KF's multi-threaded scores support background tasks like streaming or Discord alongside gaming. The 10-core, 16-thread CPU with a Cinebench R23 multicore score of 23391 serves content creators working on video editing, 3D rendering, or software compilation, where the GPU's 24 GB VRAM and 35.58 TFLOPS FP32 performance accelerate GPU-accelerated workloads.

Software developers would appreciate the CPU's PassMark integer math score of 87830 and extended instructions score of 22003, which indicate strong compilation and code execution capabilities. Students and small business users building a single workstation for both productivity and occasional gaming would find this pairing covers both needs, though the power requirements and triple-slot GPU may be overkill for pure office tasks. The combination suits users who want one system that handles everything from CAD work to AAA gaming without compromise, provided they have the physical space for the 336 mm GPU and adequate cooling for the combined 475 W CPU-plus-GPU TDP.

GPU Analysis

The NVIDIA GeForce RTX 3090 is built on the GA102 chip using Samsung's 8 nm process, with 28,300 million transistors packed into a 628 mm² die. The memory subsystem is substantial: 24 GB of GDDR6X on a 384-bit bus delivers 936.2 GB/s of bandwidth, with memory clocks running at 1219 MHz and 19.5 Gbps effective. This memory configuration supports high-resolution textures and large datasets in rendering workloads.

The GPU's compute resources are extensive, with 10496 shading units, 328 TMUs, and 112 ROPs. The 82 RT cores handle ray tracing workloads, while 328 tensor cores accelerate AI and DLSS operations. The FP32 throughput of 35.58 TFLOPS with 1:1 FP16 ratio indicates balanced compute for both single and half precision workloads. Pixel rate reaches 189.8 GPixel/s and texture rate hits 556.0 GTexel/s, supporting high-resolution rendering at competitive frame rates.

The PassMark G3D score of 26645 places the GPU at the 73rd percentile, with the nearest rival being the RTX 4070 Mobile at 0.5% higher and the RX 6700 XT at 0.5% lower. The Geekbench OpenCL score of 172758 demonstrates strong compute performance, while the Vulkan score of 53927 shows solid API efficiency. For rendering applications, the 24 GB VRAM capacity is particularly valuable for GPU-accelerated rendering engines that need to hold large scenes in memory. The 350 W TDP and triple-slot cooler require substantial case space and airflow, but the performance justifies the physical footprint for users who need this level of compute.

CPU Analysis

The Intel Core i5-12600KF features 10 cores and 16 threads based on the Alder Lake architecture, built on Intel's 10 nm process with a 215 mm² die. The hybrid architecture combines performance and efficiency cores, though the exact core configuration is not specified in the data. The base clock of 3.70 GHz boosts to 4.90 GHz, and the unlocked multiplier allows overclocking for additional performance headroom.

The cache hierarchy provides 80 KB of L1 per core, 1.25 MB of L2 per core, and 20 MB of shared L3 cache. This cache configuration supports the multi-threaded workloads where the CPU demonstrates strength. The 125 W TDP requires adequate cooling, and the Socket 1700 platform allows pairing with either DDR4 or DDR5 memory, though the specific memory bandwidth impact is not quantified in the data.

Benchmark results show the CPU performing well across various workloads. The Cinebench R23 multicore score of 23391 and Geekbench multicore score of 12137 indicate strong multi-threaded performance for rendering and compilation tasks. The PassMark multithread score of 27575 with integer math at 87830 and floating-point math at 67074 shows balanced compute capabilities. The single-thread PassMark score of 3925 and 3DMark single-thread score of 1016 support responsive everyday use and gaming performance. The CPU's average benchmark score of 27799 places it at the 79th percentile, with performance nearly identical to the i9-10900K and Ryzen 7 5800X3D, both within 0.3%.

Build Overview

This desktop build pairs the Intel Core i5-12600KF with the NVIDIA GeForce RTX 3090, representing a high-end configuration from the Alder Lake and Ampere generations respectively. The CPU, released in November 2021 with a launch MSRP of $264, remains active in production, while the GPU, launched in August 2020 with a launch MSRP of 1,499 USD, has reached end-of-life status. The combined percentile rating of 76 places this pairing in the upper quartile of all system configurations.

The desktop class designation means this build targets stationary use cases where power consumption and physical size are less constrained than in laptops. The RTX 3090's triple-slot design and 350 W TDP, combined with the CPU's 125 W TDP, create a system that requires a 750 W PSU and substantial cooling. The overall tier from the 76th percentile suggests this configuration sits above the majority of systems, though the individual component percentiles (CPU at 79th, GPU at 73rd) indicate the CPU is slightly stronger relative to its peers than the GPU is to its own peers.

Balance and Bottleneck

The performance relationship between the i5-12600KF and RTX 3090 shows a system where the CPU and GPU are closely matched in their respective tiers. The CPU's 79th percentile and the GPU's 73rd percentile indicate the CPU holds a slight relative advantage. In CPU-bound workloads like software compilation, data encryption, and integer math operations, the i5-12600KF's PassMark scores of 87830 for integer math and 18445 for data encryption demonstrate capabilities that the GPU cannot accelerate. Conversely, in GPU-bound workloads like 3D rendering and compute-heavy tasks, the RTX 3090's 35.58 TFLOPS FP32 performance and 24 GB VRAM provide resources the CPU cannot match.

The FPS scaling picture, while lacking measured data, can be inferred from the benchmark scores. In gaming scenarios at lower resolutions, the CPU's single-thread performance becomes the limiting factor, potentially capping frame rates below what the GPU could deliver. At higher resolutions, the GPU's rendering workload increases, and the RTX 3090 becomes the primary constraint. The CPU's 3DMark 2-thread score of 1995 and single-thread score of 1016 suggest it can handle most gaming scenarios, but the RTX 3090's compute power may outpace the CPU in lightweight titles at 1080p, creating a potential CPU bottleneck in esports or less demanding games.

Usage Scenarios

High-refresh gaming: The RTX 3090's 26645 PassMark G3D score and the CPU's 3925 PassMark single-thread score support high frame rates at 1440p, though measured FPS figures are unavailable. The GPU's 936.2 GB/s bandwidth and 82 RT cores enable ray tracing at competitive performance levels.

Streaming: The CPU's 10 cores and 16 threads provide headroom for encoding while gaming, with a Cinebench R23 multicore score of 23391 supporting simultaneous game and stream workloads without significant impact on game performance.

Video editing: The GPU's 24 GB VRAM and 35.58 TFLOPS FP32 accelerate timeline rendering and effects, while the CPU's PassMark floating-point math score of 67074 handles CPU-based encoding and processing tasks effectively.

3D rendering: The RTX 3090's 10496 shading units and 328 tensor cores accelerate GPU-accelerated renderers, with the 24 GB VRAM accommodating large scenes. The CPU's multicore performance supports CPU-based rendering fallbacks.

Software development: The CPU's PassMark integer math score of 87830 and extended instructions score of 22003 indicate strong compilation throughput, while 16 threads allow parallel builds and test execution.

Student and office work: This configuration exceeds requirements for typical productivity tasks, with the CPU's 2157 Geekbench single-core score ensuring responsive applications, though the power draw and physical size make it impractical for basic office use.

Rate My PC: Intel Core i5-12600KF + NVIDIA GeForce RTX 3090

Apex Performer

System Balance Analysis

Intel Core i5-12600KF

NVIDIA GeForce RTX 3090

Market Position

Game Performance Benchmarks

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

Performance Insights

Optimal Performance

4K Gaming Ready

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

Upgrade Path and Platform

Benchmark Performance

FAQ

Gaming Performance

Who Should Build It

GPU Analysis

CPU Analysis

Build Overview

Balance and Bottleneck

Usage Scenarios

4K Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1440p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1080p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

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