SYSTEM ANALYZER

Rate My PC: Intel Core i9-13900KS + NVIDIA GeForce RTX 3080

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

94 / 100
ULTIMATE READY

Apex Performer

Top 6% 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
92%
PROCESSOR

Intel Core i9-13900KS

64,051 Benchmark Score
Top 4% 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
View All Games →

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

# CPU Analysis

The Intel Core i9-13900KS sits at the top of the Raptor Lake desktop stack, built on Intel's 10 nm process with a 257 mm² die. This is a 24-core, 32-thread processor combining performance and efficiency cores, with a base clock of 3.20 GHz and a remarkable boost clock of 6.00 GHz. The cache hierarchy is generous: 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3 cache. Memory support spans both DDR4 and DDR5 across a dual-channel bus, delivering 89.6 GB/s of bandwidth, with ECC memory supported for workstation-grade reliability.

The benchmark data reveals a processor that scales exceptionally well with thread count. In 3DMark tests, the i9-13900KS scores 1,226 in single-thread, 2,412 in 2-thread, 4,754 in 4-thread, 8,812 in 8-thread, 11,616 in 16-thread, and 16,243 in max-thread tests. The scaling from 8 to 16 threads shows a 32% improvement, and from 16 to max threads another 40% gain, indicating strong multi-core efficiency across the hybrid architecture. Cinebench results reinforce this: R15 multicore hits 5,177 versus 730 single-core, R20 multicore reaches 21,574 versus 3,045 single-core, and R23 multicore achieves 51,368 versus 7,252 single-core. The R23 multicore score is particularly telling — it is roughly 7 times the single-core score, demonstrating that the 24-core design is being utilized effectively in heavily threaded workloads.

Geekbench scores of 23,607 multi-core and 2,771 single-core place this chip in the top tier of desktop processors. PassMark results show a diverse skill set: integer math at 211,027, floating point at 154,805, extended instructions at 48,217, data compression at 814,838, and data encryption at 47,772. The multithread score of 60,644 and single-thread score of 4,712 suggest balanced performance across both lightly and heavily threaded applications. The average benchmark score of 64,051 places the i9-13900KS in the 93rd percentile of all CPUs, meaning it outperforms the vast majority of processors on the market.

The nearest rivals illustrate just how tight the competition is at this level. The AMD EPYC 7343 scores 64,202, a mere 0.2% higher, while the AMD Ryzen AI Max PRO 390 trails by 0.4% at 63,765. Intel's own Core Ultra 7 265F and Core Ultra 7 265 score 64,438 and 64,640 respectively, putting them 0.6% and 0.9% ahead. These deltas are within noise for real-world workloads, but they show that the 13900KS, despite being a 2023 flagship, still trades blows with newer and server-class parts. The 93rd percentile ranking confirms that this is not just a gaming CPU but a serious compute workhorse.

# GPU Analysis

The NVIDIA GeForce RTX 3080 represents the Ampere architecture on Samsung's 8 nm process, with a massive 628 mm² die housing 28,300 million transistors. The GA102 chip contains 8,704 shading units, 272 texture mapping units, and 96 ROPs, alongside 68 ray tracing cores and 272 tensor cores. Clock speeds are set at 1,440 MHz base and 1,710 MHz boost, with memory running at 1,188 MHz or 19 Gbps effective. The 10 GB of GDDR6X memory sits on a 320-bit bus, providing 760.3 GB/s of bandwidth — a figure that remains competitive even years after launch.

Compute throughput is substantial: FP32 performance reaches 29.77 TFLOPS, with FP16 matching at 29.77 TFLOPS in a 1:1 ratio. Pixel fill rate is 164.2 GPixel/s and texture rate is 465.1 GTexel/s. The 68 RT cores and 272 tensor cores enable hardware-accelerated ray tracing and DLSS, making this GPU capable of handling modern rendering techniques. The PCIe 4.0 x16 interface provides ample bandwidth, and the dual-slot design with a 1x 12-pin power connector requires a 700 W suggested PSU — a significant power draw of 320 W TDP.

Benchmark results show a GPU that performs admirably in synthetic tests. The 3DMark Steel Nomad DX12 score is 4,407, while Geekbench OpenCL reaches 152,423 and Vulkan scores 33,620. PassMark results include G3D at 25,086, GPU compute at 14,397, and DirectX 11 at 207, DirectX 12 at 100, DirectX 10 at 170, and DirectX 9 at 258. The G2D score of 1,054 is modest, reflecting that 2D performance is not this card's focus. The average benchmark score of 23,172 places the RTX 3080 in the 68th percentile of all GPUs.

The nearest rivals are a mixed bag, with the NVIDIA P106-100 scoring 23,249 (0.3% higher), the AMD Radeon Pro Vega 16 at 23,250 (0.3% higher), the AMD Radeon RX 6600M at 23,273 (0.4% higher), and the AMD Radeon R9 M290X at 23,276 (0.4% higher). These deltas are negligible, but they highlight that the RTX 3080's average benchmark score sits in a dense cluster of GPUs. The 68th percentile ranking suggests that while it is not a top-tier card by current standards, it remains a solid mid-to-high performer in the broader GPU landscape. The 10 GB VRAM capacity, while not enormous by 2025 standards, is sufficient for 1440p gaming and many creative workloads, and the 760.3 GB/s bandwidth ensures that memory-heavy tasks like texture streaming and ray tracing do not bottleneck.

# Benchmark Performance

The combined picture from the CPU and GPU benchmarks reveals a system with asymmetric strengths. The i9-13900KS achieves a 93rd percentile ranking among all CPUs with an average score of 64,051, while the RTX 3080 sits at the 68th percentile with an average score of 23,172. The combined percentile for this pairing is 81st, indicating that the CPU is the standout component. In CPU-specific tests, the gap between the i9-13900KS and its rivals is razor-thin: it trails the AMD EPYC 7343 by only 0.2%, the Intel Core Ultra 7 265F by 0.6%, and the Intel Core Ultra 7 265 by 0.9%, while leading the AMD Ryzen AI Max PRO 390 by 0.4%. These sub-1% differences mean that in multi-threaded applications, the choice between these processors is effectively a wash.

On the GPU side, the RTX 3080's average score of 23,172 places it just 0.3% to 0.4% behind its nearest rivals, all of which cluster between 23,249 and 23,276. This tight grouping suggests that the RTX 3080's performance is well understood and consistent, but it also means that the 68th percentile ranking reflects a GPU that has been overtaken by newer generations. The 3DMark Steel Nomad DX12 score of 4,407 is a modern DirectX 12 test, and the Geekbench OpenCL score of 152,423 shows strong compute capability. The PassMark G3D score of 25,086 and GPU compute score of 14,397 further characterize a GPU that handles both rasterization and compute tasks competently.

For real-world workloads, the data implies that this pairing excels in CPU-bound scenarios. The i9-13900KS's 51,368 Cinebench R23 multi-core score and 23,607 Geekbench multi-core score mean that video encoding, 3D rendering, and software compilation will be exceptionally fast. The RTX 3080's 29.77 TFLOPS FP32 and 760.3 GB/s bandwidth handle GPU-accelerated tasks well, but the 68th percentile ranking indicates that it will not lead in GPU-heavy benchmarks. The combined 81st percentile reflects a system that is stronger than either component individually, suggesting that the CPU compensates for the GPU's mid-tier standing in many workloads.

# Gaming Performance

No measured FPS rows exist for this exact CPU+GPU combination in the FACT PACK. The data is not measured, so all frame rate expectations below are estimates derived from the benchmark scores and should be treated as qualitative guidance rather than precise figures. The absence of measured FPS data for the i9-13900KS + RTX 3080 pairing means we must rely on the component-level benchmarks to infer gaming behavior.

The i9-13900KS's single-thread performance is exceptional, with a 3DMark single-thread score of 1,226 and a PassMark single-thread score of 4,712. Gaming workloads are often single-thread limited, and this CPU's 6.00 GHz boost clock ensures that it will not be a bottleneck in most titles. The RTX 3080's 68th percentile ranking suggests that at 1080p and 1440p, the GPU will deliver high frame rates in esports titles, while AAA games at 4K will stress the 10 GB VRAM and 760.3 GB/s bandwidth. The 29.77 TFLOPS FP32 throughput is sufficient for high-refresh 1440p gaming in many titles, but the 68th percentile indicates that newer GPUs will outperform it in raw rasterization.

Based on the benchmark scores, one can estimate that at 1080p ultra settings, the RTX 3080 will achieve very high frame rates in most games, with the CPU's single-thread dominance ensuring minimal frame drops. At 1440p ultra, the GPU becomes the limiting factor, but the 760.3 GB/s bandwidth and 10 GB VRAM should handle most modern titles at high settings. At 4K ultra, the RTX 3080 will struggle in the most demanding games, and DLSS via the 272 tensor cores becomes essential to maintain playable frame rates. Ray tracing performance, supported by the 68 RT cores, will be playable at 1080p and 1440p with DLSS enabled, but 4K ray tracing will require significant upscaling. These are estimates, not measurements, and actual frame rates will vary by game and settings.

# Balance and Bottleneck

The data reveals a clear imbalance in this pairing. The i9-13900KS's 93rd percentile CPU ranking versus the RTX 3080's 68th percentile GPU ranking means that the CPU is the dominant component. In CPU-bound workloads like physics simulation, AI inference, and software compilation, the i9-13900KS will not be challenged. The PassMark physics score of 3,441 and data compression score of 814,838 demonstrate that the CPU handles complex calculations with ease. However, in GPU-bound workloads such as high-resolution gaming and 3D rendering, the RTX 3080's 68th percentile will limit overall system performance.

The FPS scaling evidence, while not measured, can be inferred from the component benchmarks. At 1080p, the CPU's single-thread performance (1,226 in 3DMark single-thread) will drive frame rates high, but the GPU's 68th percentile ranking will cap performance in demanding titles. At 1440p, the GPU becomes more of a bottleneck, and at 4K, the RTX 3080's 10 GB VRAM and 760.3 GB/s bandwidth will be the limiting factor. The CPU's multi-thread performance (16,243 in 3DMark max-thread) is more than sufficient for modern games that use multiple cores, but the GPU's mid-tier ranking means that frame rates will be constrained by graphics processing.

In creative workloads, the balance shifts. The CPU's 51,368 Cinebench R23 multi-core score accelerates video encoding and 3D rendering, while the GPU's 29.77 TFLOPS FP32 and 14,397 PassMark GPU compute score handle GPU-accelerated effects. This pairing will bottleneck in GPU-heavy tasks like 4K video editing with heavy effects or high-poly 3D scenes, where the RTX 3080's 68th percentile will lag. Conversely, in CPU-heavy tasks like code compilation or data analysis, the i9-13900KS will excel while the GPU idles. The overall system is balanced for 1440p gaming and mixed workloads, but users targeting 4K or GPU-compute-heavy tasks will find the RTX 3080 to be the limiting factor.

# Who Should Build It

This pairing targets users who prioritize CPU performance above all else. Gamers at 1080p and 1440p resolutions will benefit from the i9-13900KS's single-thread dominance, which ensures high frame rates in CPU-bound titles, while the RTX 3080 provides solid graphics performance at these resolutions. The 93rd percentile CPU ranking means that gaming at 1440p with high refresh rates is well within reach, though 4K gaming will require careful settings management due to the GPU's 68th percentile.

Content creators and developers are the primary beneficiaries of this build. The i9-13900KS's 51,368 Cinebench R23 multi-core score and 23,607 Geekbench multi-core score accelerate video encoding, 3D rendering, and software compilation. The RTX 3080's 29.77 TFLOPS FP32 and 760.3 GB/s bandwidth support GPU-accelerated rendering and effects. This is a workstation-class CPU paired with a mid-to-high-end GPU, making it ideal for professionals who spend more time compiling code or rendering frames than gaming.

Students and small business workstations will find this pairing overkill for office tasks but useful for engineering, scientific computing, and data analysis. The ECC memory support and 150 W TDP make it a stable platform for long-running compute jobs. The 93rd percentile CPU ranking ensures that even the most demanding multi-threaded applications run smoothly, while the RTX 3080's 68th percentile is sufficient for visualization and light GPU compute. For users who need a desktop that excels at CPU-intensive work and handles modern games competently, this build is a reasonable choice, though the GPU will eventually require an upgrade to match the CPU's longevity.

# Upgrade Path and Platform

The i9-13900KS uses the Intel Socket 1700 platform, which supports both DDR4 and DDR5 memory across a dual-channel bus. The PCIe Gen 5 interface with 20 CPU lanes provides ample bandwidth for current and future GPUs and NVMe drives. The 150 W TDP is modest for a flagship CPU, but the RTX 3080's 320 W TDP and 700 W suggested PSU mean that the total system draw is significant. The UHD Graphics 770 integrated GPU provides a fallback for troubleshooting or basic display output.

A sensible next upgrade would be to replace the RTX 3080 with a newer GPU, as the CPU's 93rd percentile ranking will remain relevant for years. The PCIe 4.0 x16 interface of the RTX 3080 is compatible with the CPU's PCIe Gen 5 lanes, but a newer GPU with PCIe 4.0 or 5.0 support would take full advantage of the platform. The 700 W suggested PSU leaves headroom for a GPU with a higher TDP, though users should verify power connector compatibility. The memory support for both DDR4 and DDR5 means that users can upgrade memory without changing the motherboard, but the dual-channel bus limits maximum bandwidth to 89.6 GB/s, which is adequate for most workloads.

The Socket 1700 platform is nearing the end of its lifecycle, as newer Intel generations use different sockets. This means that future CPU upgrades will require a new motherboard, making the i9-13900KS a final-stop processor for this platform. However, the 93rd percentile CPU ranking suggests that the i9-13900KS will remain competitive for several years, so a motherboard upgrade is not urgent. The 36 MB of shared L3 cache and 6.00 GHz boost clock provide headroom for future software optimizations, and the 150 W TDP is manageable for most cooling solutions.

# FAQ

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

A: The combined percentile is 81st, reflecting a system where the CPU (93rd percentile) outperforms the GPU (68th percentile).

Q: How does the i9-13900KS compare to its nearest CPU rival?

A: The i9-13900KS trails the AMD EPYC 7343 by 0.2%, leads the AMD Ryzen AI Max PRO 390 by 0.4%, and trails the Intel Core Ultra 7 265F and 265 by 0.6% and 0.9% respectively.

Q: What is the RTX 3080's average benchmark score and percentile?

A: The RTX 3080 has an average benchmark score of 23,172, placing it in the 68th percentile of all GPUs.

Q: Does the RTX 3080 support ray tracing?

A: Yes, it has 68 RT cores and 272 tensor cores, with a 3DMark Steel Nomad DX12 score of 4,407.

Q: What memory types does the i9-13900KS support?

A: It supports both DDR4 and DDR5 in a dual-channel configuration, with 89.6 GB/s of memory bandwidth.

Q: What is the TDP of the CPU and GPU, and what PSU is suggested?

A: The CPU has a 150 W TDP, the GPU has a 320 W TDP, and the suggested PSU is 700 W.

Q: Is measured FPS data available for this exact pairing?

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

# Usage Scenarios

High-refresh gaming: The i9-13900KS's single-thread score of 1,226 in 3DMark and 4,712 in PassMark ensures that CPU-bound games run at high frame rates, while the RTX 3080's 68th percentile GPU ranking supports 1440p high-refresh gaming. The 760.3 GB/s bandwidth and 10 GB VRAM handle modern textures well at this resolution, though 4K high-refresh will strain the GPU.

Streaming: The 24-core, 32-thread CPU with a 51,368 Cinebench R23 multi-core score can handle encoding while gaming, and the GPU's 272 tensor cores support NVENC acceleration. The 93rd percentile CPU ranking ensures that streaming does not impact gaming performance.

Video editing: The CPU's 23,607 Geekbench multi-core score accelerates timeline rendering and export, while the GPU's 29.77 TFLOPS FP32 handles effects and color grading. The 10 GB VRAM is sufficient for 4K editing with moderate effects.

3D rendering: The CPU's 51,368 Cinebench R23 multi-core score excels in CPU-based rendering, while the GPU's 14,397 PassMark GPU compute score supports GPU-accelerated renderers. The 68th percentile GPU ranking means that GPU rendering will be slower than with higher-tier cards.

Software development: The CPU's 211,027 PassMark integer math score and 60,644 multithread score accelerate compilation and testing, while the 36 MB L3 cache reduces latency. The ECC memory support ensures data integrity for long builds.

Student and office work: This build is overpowered for basic tasks, but the 93rd percentile CPU ranking ensures no lag in any application. The UHD Graphics 770 provides a fallback if the GPU is under load, and the 150 W CPU TDP is manageable for dorm room power limits.

# Build Overview

This is a desktop-class build pairing the Intel Core i9-13900KS with the NVIDIA GeForce RTX 3080. The CPU is a 24-core, 32-thread Raptor Lake-S processor with a 6.00 GHz boost clock and 36 MB of L3 cache, ranking in the 93rd percentile of all CPUs. The GPU is an Ampere-based RTX 3080 with 10 GB of GDDR6X memory, 68 RT cores, and 272 tensor cores, ranking in the 68th percentile of all GPUs. The combined percentile is 81st, indicating a system that is above average overall but with a significant CPU advantage.

The i9-13900KS launched with an MSRP of $699, while the RTX 3080 launched at 699 USD, making this a flagship CPU paired with a mid-to-high-end GPU. The CPU's 150 W TDP and the GPU's 320 W TDP require a robust cooling and power solution, with a 700 W suggested PSU. The platform supports DDR4 and DDR5 memory, PCIe Gen 5 for the CPU, and PCIe 4.0 for the GPU. This pairing is best suited for users who need maximum CPU performance for productivity tasks and are willing to accept mid-tier GPU performance for gaming and rendering. The 93rd percentile CPU ensures longevity, while the 68th percentile GPU will likely require an upgrade sooner.