SYSTEM ANALYZER

Rate My PC: Intel Core i9-13900K + NVIDIA GeForce RTX 5080

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

96 / 100
ULTIMATE READY

Apex Performer

Top 4% 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
97%
PROCESSOR

Intel Core i9-13900K

61,766 Benchmark Score
Top 4% Market Ranking
View Full Specs →
GRAPHICS CARD

NVIDIA GeForce RTX 5080

56,083 Benchmark Score
Top 3% 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

The Intel Core i9-13900K and NVIDIA GeForce RTX 5080 form a formidable desktop pairing that targets high-end productivity and gaming. The CPU, a 24-core Raptor Lake-S part, delivers exceptional multi-threaded performance, while the GPU, based on the Blackwell architecture, offers advanced rendering capabilities. This combination is designed for users who demand top-tier performance in both compute-heavy applications and demanding gaming workloads. This analysis relies exclusively on the provided benchmark data, noting that no measured FPS figures exist for this exact pairing; all gaming performance discussions are thus estimated from the raw synthetic scores.

CPU Analysis

The Intel Core i9-13900K is a flagship 13th-generation desktop processor built on the Raptor Lake architecture. It features 24 cores and 32 threads, a configuration that includes performance and efficiency cores to balance heavy workloads with power consumption. The processor operates with a base clock of 3.00 GHz and can boost up to 5.80 GHz, which is a high ceiling for single-threaded tasks. This architecture is fabricated on Intel’s 10 nm process node, with a die size of 257 mm², and it supports both DDR4 and DDR5 memory across a dual-channel bus, along with ECC memory support. The cache hierarchy is substantial, featuring 80 KB of L1 and 2 MB of L2 per core, plus a shared 36 MB L3 cache. The CPU also integrates UHD Graphics 770, providing a basic display output option.

Benchmark results show a processor with immense multi-threaded capability. In Cinebench R23, the CPU scores 38271.5 points in the multi-core test, which is a strong indicator of performance in video rendering, 3D modeling, and software compilation. The single-core score of 2238.5 in the same test is also strong, reflecting excellent responsiveness in everyday tasks and lightly-threaded applications. The 3DMark tests show a clear scaling pattern: the score jumps from 2355 with 2 threads to 8520 with 8 threads, and reaches 15509 with all threads active. This suggests the processor can effectively utilize its core count, with a near-linear performance increase up to 8 threads and continued, though less dramatic, gains beyond that point.

The passmark suite reinforces this profile. The multi-thread score is 58589, while the single-thread score is 4608. In specific tasks, the CPU excels at integer math with a score of 207792 and floating-point math with 151562, indicating strong number-crunching abilities. Data compression and encryption scores are also high at 793645 and 46609, respectively, which are relevant for file archiving and security workloads. The processor’s percentile ranking against all CPUs is 92, placing it in the top tier of available processors. Its average benchmark score is 61766, and it sits within 0.1% of the Intel Core i9-13900T and Intel Core i9-13900KF in average score, while being 0.7% ahead of the Intel Xeon 636. This indicates that the 13900K is at the top of its class, with its closest rivals being nearly identical in overall performance.

Balance and Bottleneck

In this pairing, the balance between CPU and GPU is crucial for determining which component limits performance in various scenarios. The CPU’s 3DMark scores, particularly the single-thread score of 1187 and the 2-thread score of 2355, suggest it can handle high frame-rate gaming scenarios without becoming a bottleneck. The high boost clock of 5.80 GHz ensures that the CPU can keep up with the GPU in tasks that rely on individual core speed, such as game physics and draw calls.

However, the GPU’s compute capabilities are equally significant. The RTX 5080’s passmark GPU compute score is 21789, which is a measure of its raw parallel processing power. In resolutions like 1440p or 4K, the rendering load shifts heavily to the GPU. The data suggests that at lower resolutions, the CPU is more likely to be the limiting factor, as it must prepare frames faster than the GPU can render them. Conversely, at higher resolutions, the GPU becomes the primary constraint, as it takes longer to render each frame. The CPU’s percentile rank of 92 and the GPU’s rank of 87 indicate both are high performers, but the CPU has a slight edge in its market position. This means that in CPU-bound scenarios, the system will perform exceptionally well, but in GPU-bound scenarios at high resolutions, the RTX 5080 will be the workhorse, with the i9-13900K providing ample headroom to avoid stalling. The lack of measured FPS data means that specific bottleneck percentages cannot be stated, but the synthetic scores imply a well-matched system where neither component is severely underpowered for the other.

FAQ

Q: What is the performance difference between the Intel Core i9-13900K and its closest rival, the Intel Core i9-13900KF?

A: The i9-13900K has an average benchmark score of 61766, while the i9-13900KF scores 61841, making the KF variant 0.1% faster in this dataset. This difference is negligible, indicating near-identical performance.

Q: Does the RTX 5080 support the latest graphics APIs?

A: Yes. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, ensuring compatibility with modern game engines and graphics features.

Q: What kind of memory does the RTX 5080 use, and how much bandwidth does it provide?

A: The RTX 5080 comes with 16 GB of GDDR7 memory on a 256-bit bus, providing a total bandwidth of 960.0 GB/s. This is a high-bandwidth configuration suited for large textures and high-resolution rendering.

Q: Is the Intel Core i9-13900K unlocked for overclocking?

A: Yes, the multiplier is unlocked, allowing users to adjust clock speeds beyond the stock 5.80 GHz boost, provided they have adequate cooling and power delivery.

Q: How does the CPU perform in single-threaded tasks compared to its multi-threaded performance?

A: The CPU scores 2238.5 in Cinebench R23 single-core and 38271.5 in multi-core. The multi-core score is roughly 17 times higher, reflecting the benefit of its 24 cores and 32 threads for parallel workloads, while the single-core score remains strong for general responsiveness.

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

A: The system has a combined percentile of 90, indicating that it performs better than 90% of all tested CPU and GPU combinations in the database.

Q: What is the power draw of the RTX 5080, and what PSU is recommended?

A: The GPU has a TDP of 360 W, and the suggested power supply unit for the system is 750 W. This accounts for the GPU’s power draw plus the rest of the system’s components.

Upgrade Path and Platform

The Intel Core i9-13900K uses the Intel Socket 1700 platform. This socket supports the 13th-generation Raptor Lake processors, and the platform is capable of using both DDR4 and DDR5 memory, though the board must support the specific type chosen. The CPU provides PCIe Gen 5 with 16 lanes from the CPU itself, which is sufficient for a high-end graphics card like the RTX 5080, which uses a PCIe 5.0 x16 interface. This ensures the GPU can communicate with the CPU at full bandwidth.

For users looking to upgrade, the current platform is mature. A sensible next step would be to ensure the system has sufficient power delivery for the components. The RTX 5080 has a TDP of 360 W and requires a 16-pin power connector, with a 750 W power supply suggested for the whole system. The i9-13900K has a TDP of 125 W, so a high-quality motherboard with robust VRMs is necessary to handle both the CPU’s multi-core boost behavior and the GPU’s power spikes.

Given the CPU’s production status is active and it supports ECC memory, it can also serve in a workstation environment. The main upgrade path would be to increase memory capacity or speed, but the platform itself is at the end of its generation, as newer Intel platforms have been released. The integrated UHD Graphics 770 can be used for troubleshooting or basic tasks, but for the full performance of this build, the discrete RTX 5080 is required. The CPU’s dual-channel memory bus is a potential limitation for memory-intensive workloads, but for gaming and most content creation tasks, it is sufficient.

GPU Analysis

The NVIDIA GeForce RTX 5080 is a high-end graphics card based on the Blackwell 2.0 architecture, built on TSMC’s 5 nm process node. It is a massive chip, containing 45,600 million transistors on a 378 mm² die, giving it a transistor density of 120.6M per mm². The GPU is equipped with 10752 shading units, 336 texture mapping units, and 112 raster output units. For ray tracing and AI acceleration, it has 84 RT cores and 336 tensor cores. The card operates at a base clock of 2295 MHz and boosts to 2617 MHz, with memory running at 1875 MHz, effective 30 Gbps.

The memory subsystem is a key highlight. The 16 GB of GDDR7 memory is paired with a 256-bit bus, yielding a bandwidth of 960.0 GB/s. This is critical for high-resolution textures and complex 3D scenes. The pixel rate is 293.1 GPixel/s, and the texture rate is 879.3 GTexel/s, indicating strong fill-rate performance. In terms of raw compute, the card delivers 56.28 TFLOPS for FP32 and FP16 operations, which is a high level of performance for both gaming and compute tasks.

Benchmark scores reflect this hardware. In 3DMark Steel Nomad DX12, the card scores 8637 points, which is a measure of modern gaming performance. The Geekbench Vulkan score is 255450, and the OpenCL score is 235901, showing strong performance in cross-platform compute APIs. Passmark scores show a G3D score of 36565, which is a solid measure of DirectX performance across various versions. The card’s percentile rank against all GPUs is 87, and its average benchmark score is 56083. Its closest rival, the AMD Radeon 8060S, scores 55757, making the RTX 5080 0.6% faster, while it is 2.2% slower than the AMD Radeon RX 9070 GRE.

Gaming Performance

The FACT PACK contains no measured FPS data for this specific CPU and GPU combination. Therefore, the following frame rate expectations are estimates based on the synthetic benchmark scores and should be treated as approximations of real-world performance.

Given the GPU’s high 3DMark Steel Nomad score of 8637 and its 87th percentile ranking, the RTX 5080 is clearly a top-tier gaming card. In terms of estimated performance, this card is expected to deliver excellent frame rates in most modern games. For eSports and competitive titles that are CPU-bound, the i9-13900K’s strong single-thread score of 1187 in 3DMark and boost clock of 5.80 GHz will ensure high frame rates, likely exceeding 200 FPS at 1080p and 1440p with high settings.

For AAA titles at 1440p, the system should be able to maintain high frame rates, likely above 100 FPS on ultra settings. The 16 GB VRAM buffer is sufficient for current games at this resolution with high texture packs. At 4K, the GPU becomes the primary bottleneck, but the 960.0 GB/s bandwidth and 56.28 TFLOPS of compute power suggest the system can still deliver playable frame rates, likely in the 60-100 FPS range depending on the title’s optimization. The GPU’s 84 RT cores will provide solid performance in ray-traced games, though enabling full ray tracing at 4K may require upscaling technologies to maintain high frame rates. Overall, this is a system designed for high-refresh-rate gaming at 1440p and good 4K performance.

Benchmark Performance

The Intel Core i9-13900K achieves an average benchmark score of 61766, placing it in the 92nd percentile of all CPUs. This is a top-tier result. Its multi-core performance is exceptional, with a Cinebench R23 score of 38271.5 and a Geekbench multi-core score of 22820. Single-core performance is also strong, with a Cinebench R23 score of 2238.5 and a Geekbench single-core score of 2628. The CPU is 0.1% faster than the Intel Core i9-13900T and 0.7% faster than the Intel Xeon 636, but 0.1% slower than the Intel Core i9-13900KF and Intel Core Ultra 7 270HX Plus.

The NVIDIA GeForce RTX 5080 has an average benchmark score of 56083, placing it in the 87th percentile of all GPUs. Its 3DMark Steel Nomad score is 8637, and its Geekbench Vulkan score is 255450. It is 0.6% faster than the AMD Radeon 8060S and 0.7% faster than the AMD Radeon RX 6750 GRE 12 GB, but it is 2.2% slower than the AMD Radeon RX 9070 GRE.

When combined, this system has a combined percentile of 90. The picture is one of a very high-end build. The CPU is a top-10% performer, and the GPU is a top-15% performer, making the overall system a top-10% performer. This indicates that the pairing is well-balanced and capable of handling the most demanding workloads without significant bottlenecks.

Build Overview

This build is a high-end desktop configuration. The CPU, Intel Core i9-13900K, is a 24-core processor with a 92nd percentile ranking, making it one of the most powerful CPUs available. The GPU, NVIDIA GeForce RTX 5080, is a flagship graphics card with an 87th percentile ranking. The combination of these two components results in a system with a combined percentile of 90, placing it in the upper echelon of desktop performance.

This pairing is suited for users who require the absolute best in both compute and graphics performance. It is not a budget-conscious build; it is a performance-first system. The CPU’s high core count and the GPU’s massive compute throughput make it ideal for heavy multitasking, complex simulations, and high-resolution content creation. The system’s class is desktop, meaning it is designed to be a stationary workstation or gaming rig, with the expectation of high power draw and cooling requirements. The RTX 5080’s TDP of 360 W and the CPU’s 125 W TDP necessitate a robust cooling solution and a high-wattage power supply, such as the suggested 750 W unit. Overall, this is a top-tier build for enthusiasts and professionals.

Who Should Build It

This system is targeted at users whose workloads demand the highest level of performance. Gamers playing at 1440p or 4K resolutions with maximum settings and high refresh rates will benefit from the RTX 5080’s powerful rendering capabilities. The 16 GB VRAM and high bandwidth are suited for modern AAA titles with large texture sets. The CPU’s high single-thread performance ensures that even CPU-intensive games will run smoothly.

Content creators, such as video editors and 3D animators, will find the i9-13900K’s multi-threaded performance in Cinebench and Passmark invaluable for rendering and exporting. The GPU’s compute capabilities, as shown by its high OpenCL and Vulkan scores, are useful for GPU-accelerated effects and rendering. Software developers compiling large codebases will benefit from the CPU’s high core count and integer math performance. Data scientists and researchers can leverage the CPU’s encryption and compression scores for data processing tasks.

Students in engineering or computer science fields will find this system capable of handling heavy computational software, although its cost is high. Small business workstations that need to run virtual machines, complex spreadsheets, and design software can also benefit. However, this build is overkill for basic office tasks or web browsing. It is intended for users who can fully utilize the parallel processing power of the 24-core CPU and the 10752 shading units of the GPU, making it a workstation-class machine for professionals and a dream rig for high-end gaming enthusiasts.