SYSTEM ANALYZER

Rate My PC: Intel Core i9-13900KS + NVIDIA GeForce RTX 5090

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

97 / 100
ULTIMATE READY

Apex Performer

Top 3% 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
96%
VS
GPU
98%
PROCESSOR

Intel Core i9-13900KS

64,051 Benchmark Score
Top 4% Market Ranking
View Full Specs →
GRAPHICS CARD

NVIDIA GeForce RTX 5090

79,842 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

# Upgrade Path and Platform

The Intel Core i9-13900KS is built on the Raptor Lake architecture and drops into the Intel Socket 1700 platform, which is the final stop for that socket generation. The CPU supports both DDR4 and DDR5 memory through a dual-channel memory bus, with a memory bandwidth of 89.6 GB/s, giving builders flexibility to reuse existing DDR4 kits or move to DDR5 for higher bandwidth. The platform also supports ECC memory, a feature that matters for workstation reliability. PCIe connectivity is Gen 5 with 20 lanes available from the CPU, which pairs cleanly with the GPU's PCIe 5.0 x16 interface.

The CPU carries a TDP of 150 W, while the GPU demands a 575 W TDP and the suggested PSU for the graphics card alone is 950 W. That means any build around this pairing needs a substantial power supply, and the combined thermal load of a 150 W CPU plus a 575 W GPU leaves no headroom for a weak PSU. The GPU uses a single 16-pin power connector, so the PSU must support that connector natively. The CPU has an unlocked multiplier, making overclocking possible, though the 13900KS already boosts to 6.00 GHz out of the box.

A sensible next upgrade path from this platform is limited because Socket 1700 is the end of the line for this socket. The 13900KS is already the top SKU for Raptor Lake, so there is no higher CPU to step up to within the same socket. The GPU, however, is the current flagship from NVIDIA, meaning any future upgrade would be lateral at best or require a platform change. For a builder starting fresh, the motherboard choice must account for the 20 PCIe Gen 5 lanes from the CPU and the dual-channel memory topology, and the power delivery needs to handle both the CPU's 150 W TDP and the GPU's 575 W TDP without compromise.

# Benchmark Performance

The benchmark data paints a picture of a pairing that sits at the very top of the desktop heap. The Intel Core i9-13900KS achieves an average benchmark score of 64051, placing it in the 93rd percentile against all CPUs. Its nearest rivals are tightly clustered: the AMD EPYC 7343 scores 64202, which is 0.2% higher; the Intel Core Ultra 7 265F scores 64438, 0.6% higher; the Intel Core Ultra 7 265 scores 64640, 0.9% higher; and the AMD Ryzen AI Max PRO 390 scores 63765, 0.4% lower. The deltas are all within a single percentage point, meaning the 13900KS is statistically tied with these competitors in aggregate performance, despite being a last-generation part.

The NVIDIA GeForce RTX 5090 posts an average benchmark score of 79842, which lands it in the 92nd percentile against all GPUs. Its nearest rivals include the NVIDIA Tesla P100 PCIe 16 GB at 79605 (0.3% lower), the NVIDIA Tesla P100 PCIe 12 GB at 79396 (0.6% lower), the AMD Radeon RX 6850M XT at 78940 (1.1% lower), and the AMD Radeon Pro Vega 64X at 80959 (1.4% higher). Again, the deltas are small, but the RTX 5090's raw score is the second-highest among these four rivals, trailing only the Pro Vega 64X by a narrow margin.

Looking at specific CPU benchmarks, the 13900KS delivers a Cinebench R23 multicore score of 51368 and a single-core score of 7252. The Geekbench multicore result is 23607 with a single-core score of 2771. In 3DMark threaded tests, the CPU scores 11616 with 16 threads, 8812 with 8 threads, 4754 with 4 threads, 2412 with 2 threads, and 16243 with max threads. The single-thread 3DMark score is 1226. PassMark results show a multithread score of 60644, a single-thread score of 4712, integer math at 211027, floating-point math at 154805, and data compression at 814838. These numbers indicate a CPU that excels in both lightly threaded and heavily threaded workloads, with the multicore scores particularly strong for a desktop part.

On the GPU side, the RTX 5090 achieves a 3DMark Steel Nomad DX12 score of 18355. Geekbench OpenCL scores 334370, and Vulkan scores 376728. PassMark G3D scores 39650, with GPU compute at 26756. The graphics card also posts DirectX 11 and DirectX 12 scores of 341 and 185 respectively, though these PassMark DirectX tests are not the primary indicator of gaming performance. The combined percentile for this build is 93, putting it in the top tier of desktop systems.

The combined picture is one of extreme capability: the CPU is within a rounding error of its nearest rivals in aggregate score, and the GPU is similarly positioned at the top of the stack. Neither component drags the other down; both are in the 92-93rd percentile of their respective categories.

# Balance and Bottleneck

The data shows a system where the CPU and GPU are closely matched in percentile terms, but the nature of the bottleneck depends on the workload. The CPU's 93rd percentile and the GPU's 92nd percentile are nearly identical, suggesting that in aggregate, neither component is dramatically overspending relative to the other. However, the specific benchmark scores reveal where each component leads.

In heavily threaded CPU workloads, the 13900KS is formidable. The Cinebench R23 multicore score of 51368 and the PassMark multithread score of 60644 indicate that the CPU can feed even the most demanding rendering engines without becoming the limiting factor. The 3DMark max-thread score of 16243 further confirms this. For GPU-bound tasks like gaming at high resolutions, the RTX 5090's raw compute power — a PassMark G3D score of 39650 and a 3DMark Steel Nomad DX12 score of 18355 — means the GPU will be the primary driver of frame rates, with the CPU needing only to keep up with draw calls and physics.

The FPS scaling evidence is absent from the data since no measured FPS rows exist for this exact combination, but the benchmark scores imply that at 1080p, the CPU's single-thread performance (Cinebench R23 single-core of 7252, Geekbench single-core of 2771) will matter more, and at 4K, the GPU's massive shading and rasterization throughput will dominate. The GPU's 104.8 TFLOPS of FP32 performance and 423.6 GPixel/s pixel rate are the numbers that will dictate high-resolution frame rates, while the CPU's 3DMark 2-thread score of 2412 and single-thread score of 1226 show it is not a weak link in lightly threaded scenarios.

The bottleneck analysis points to the GPU being the limiter in pure gaming at lower resolutions where the CPU can keep pace, but at higher resolutions, the GPU is so fast that the CPU's role diminishes further. In productivity workloads like video editing or 3D rendering, the CPU's multicore scores (Cinebench R20 multicore of 21574, Geekbench multicore of 23607) will be the deciding factor, and the GPU's compute capabilities (PassMark GPU compute of 26756) will accelerate tasks that use GPU acceleration. Neither component is clearly the bottleneck in aggregate; the system is balanced, with the CPU slightly ahead in percentile standing.

# Usage Scenarios

High-refresh gaming: The RTX 5090's 3DMark Steel Nomad DX12 score of 18355 and PassMark G3D score of 39650 place it among the fastest GPUs, and the 13900KS's single-thread Cinebench R23 score of 7252 ensures the CPU can drive high frame rates. This pairing is built for 144Hz and beyond at high resolutions, though the absence of measured FPS data means exact frame rates are estimates.

Streaming: The CPU's 24 cores and 32 threads, evidenced by a PassMark multithread score of 60644, provide ample headroom for encoding while gaming. The GPU's dedicated tensor cores and 680 RT cores also support hardware-accelerated encoding, so the system can handle simultaneous gaming and streaming without a significant frame rate penalty.

Video editing: The CPU's Cinebench R23 multicore score of 51368 and Geekbench multicore score of 23607 accelerate timeline rendering and export, while the GPU's 32 GB of GDDR7 memory and 1.79 TB/s bandwidth handle large video buffers and effects. The combination is suited for 4K and 8K editing workflows, with the GPU's compute score of 26756 supporting GPU-accelerated effects.

3D rendering: In CPU-based rendering, the 13900KS's 51368 Cinebench R23 multicore score is a strong result, but the RTX 5090's 104.8 TFLOPS of FP32 compute and 680 tensor cores make GPU rendering the faster path for most modern engines. The system can handle both CPU and GPU render workloads, with the GPU's 32 GB memory accommodating large scenes.

Software development: The CPU's 24 cores and 32 threads compile code quickly, with PassMark integer math scoring 211027 and data compression at 814838. The 32 GB of GPU memory is irrelevant for most development tasks, but the CPU's multithreaded performance is a clear asset for build times and running virtual machines.

Student and office work: This system is overkill for document processing and spreadsheets, but the CPU's single-thread PassMark score of 4712 and the GPU's 2D score of 1413 ensure that even mundane tasks are instant. The system's 93rd combined percentile means it will not struggle with any academic software, though the 575 W GPU TDP and 950 W suggested PSU make it an impractical choice for a dorm room or small office.

# Who Should Build It

The target user is a desktop enthusiast or professional who demands the absolute highest performance in both CPU and GPU workloads. The 93rd combined percentile places this build in the top tier of all systems. Gamers aiming for high-refresh 4K or ultrawide resolutions will benefit from the RTX 5090's 32 GB memory and 104.8 TFLOPS compute, while the 13900KS's 6.00 GHz boost clock and single-core score of 7252 in Cinebench R23 ensure no CPU bottleneck at lower resolutions.

Content creators working with video editing or 3D rendering will find the CPU's Cinebench R23 multicore score of 51368 and the GPU's compute score of 26756 to be a potent combination. Developers compiling large codebases will appreciate the PassMark multithread score of 60644 and integer math score of 211027. Students and small business users are not the target audience — the 575 W GPU TDP and 950 W suggested PSU make this a workstation-class build, not a casual office machine. The 32 GB of GDDR7 memory on the GPU also appeals to AI researchers and data scientists who need large VRAM buffers, though the CPU's 89.6 GB/s memory bandwidth is a modest figure for that role.

# FAQ

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

A: The combined percentile is 93, placing it in the top tier of desktop systems.

Q: Does the CPU support both DDR4 and DDR5 memory?

A: Yes, the Intel Core i9-13900KS supports both DDR4 and DDR5 memory through a dual-channel memory bus with 89.6 GB/s bandwidth.

Q: What is the GPU's memory size and type?

A: The NVIDIA GeForce RTX 5090 has 32 GB of GDDR7 memory on a 512-bit bus with 1.79 TB/s bandwidth.

Q: How does the CPU compare to its nearest rival, the AMD EPYC 7343?

A: The 13900KS has an average benchmark score of 64051, which is 0.2% lower than the EPYC 7343's 64202.

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

A: The suggested PSU for the RTX 5090 is 950 W.

Q: Does the CPU have an unlocked multiplier?

A: Yes, the multiplier is unlocked, and the CPU boosts to 6.00 GHz out of the box.

Q: Are there measured FPS figures for this exact CPU+GPU combination?

A: No, the data contains no measured FPS rows for this combination, so all FPS discussion is estimated from benchmark scores.

# Gaming Performance

There are no measured FPS rows in the data for this exact CPU and GPU combination. The FACT PACK contains no measuredFps data, so all FPS figures discussed here are estimates derived from the benchmark scores. The RTX 5090's 3DMark Steel Nomad DX12 score of 18355 and PassMark G3D score of 39650 indicate it is one of the fastest GPUs available, and the 13900KS's single-thread Cinebench R23 score of 7252 ensures the CPU can keep up with the GPU in most gaming scenarios.

At 1080p, the CPU's single-thread performance will be the primary driver of frame rates, and the 13900KS's 3DMark 2-thread score of 2412 and single-thread score of 1226 show strong lightly threaded performance. At 1440p, the balance shifts toward the GPU, and the RTX 5090's 104.8 TFLOPS of FP32 compute will deliver high frame rates. At 4K, the GPU's 423.6 GPixel/s pixel rate and 1.79 TB/s memory bandwidth are the determining factors, and the 32 GB of GDDR7 memory prevents any VRAM capacity issues. The 680 TMUs and 176 ROPs further support high-resolution rendering. These are estimates, not measured results, but the benchmark data strongly suggests that this pairing is capable of high-refresh gaming at any resolution.

# Build Overview

This build pairs the Intel Core i9-13900KS, a 24-core, 32-thread desktop processor from the Raptor Lake generation, with the NVIDIA GeForce RTX 5090, a desktop graphics card from the GeForce 50-series based on the Blackwell 2.0 architecture. The build class is desktop, and the combined percentile is 93, placing it in the top tier of all systems. The CPU has an average benchmark score of 64051 and sits in the 93rd percentile against all CPUs, while the GPU has an average benchmark score of 79842 and sits in the 92nd percentile against all GPUs.

The CPU's nearest rivals are all within a single percentage point of its average score, and the GPU's nearest rivals are similarly close, indicating that this pairing is competitive with the best available hardware. The 13900KS is a last-generation part, but its benchmark scores remain competitive with newer CPUs like the Intel Core Ultra 7 265, which is only 0.9% ahead. The RTX 5090 is the current flagship from NVIDIA, and its benchmark scores reflect that status. Overall, this is a top-tier desktop build for users who want no compromises in either CPU or GPU performance.

# CPU Analysis

The Intel Core i9-13900KS is a 24-core, 32-thread desktop processor from the Raptor Lake architecture, built on Intel's 10 nm process node with a die size of 257 mm². The base clock is 3.20 GHz, and the boost clock reaches 6.00 GHz, the highest boost clock in the data. The CPU has an unlocked multiplier, making it overclockable. The cache hierarchy includes 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 36 MB of shared L3 cache. The CPU supports both DDR4 and DDR5 memory through a dual-channel memory bus with 89.6 GB/s bandwidth, and ECC memory is supported. PCIe connectivity is Gen 5 with 20 lanes from the CPU, and the integrated graphics are UHD Graphics 770.

The benchmark scores show a CPU that excels across the board. The Cinebench R23 multicore score of 51368 and single-core score of 7252 are both strong results. The Geekbench multicore score of 23607 and single-core score of 2771 confirm the CPU's dual nature: it is fast in lightly threaded tasks and even faster in heavily threaded workloads. The 3DMark tests show scaling from a single-thread score of 1226 to a max-thread score of 16243, with the 16-thread score of 11616 being particularly strong. PassMark results include a multithread score of 60644, a single-thread score of 4712, integer math at 211027, floating-point math at 154805, and data compression at 814838.

The 93rd percentile against all CPUs places the 13900KS in the top tier, and its nearest rivals are the AMD EPYC 7343 (0.2% ahead), Intel Core Ultra 7 265F (0.6% ahead), Intel Core Ultra 7 265 (0.9% ahead), and AMD Ryzen AI Max PRO 390 (0.4% behind). These small deltas mean the 13900KS is statistically tied with these competitors in aggregate performance, despite being from an earlier generation. For real workloads, the 24 cores and 32 threads handle video editing, 3D rendering, and software compilation with ease, while the 6.00 GHz boost clock and strong single-core scores ensure snappy responsiveness in everyday tasks and high-refresh gaming. The 150 W TDP is modest for the performance on offer, though the 575 W GPU TDP in this pairing means the total system power draw is substantial.