SYSTEM ANALYZER

Rate My PC: Intel Core i9-13900KF + AMD Radeon RX 6800

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

95 / 100
ULTIMATE READY

Apex Performer

Top 5% 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
94%
PROCESSOR

Intel Core i9-13900KF

61,841 Benchmark Score
Top 4% Market Ranking
View Full Specs →
GRAPHICS CARD

AMD Radeon RX 6800

30,095 Benchmark Score
Top 6% 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 i9-13900KF is a 24-core, 32-thread desktop processor built on Intel's Raptor Lake architecture and fabricated on Intel's 10 nm process node. It features a base clock of 3.00 GHz and a boost clock of 5.80 GHz, with a 125 W TDP. The chip is socketed on Intel Socket 1700 and supports both DDR4 and DDR5 memory through a dual-channel memory bus, making it flexible for builders who want to reuse older memory or move to a newer platform. ECC memory support is present, which is a practical feature for workstation-class builds where data integrity matters. The CPU is unlocked (multiplier unlocked), so overclocking headroom exists for those who want to push beyond stock boost behavior.

The cache hierarchy is substantial: 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 36 MB of shared L3 cache. This large L3 pool is a major factor in the chip's strong multi-threaded performance, as it reduces the frequency of slower memory accesses in heavily parallel workloads. The CPU provides PCIe Gen 5 with 20 lanes from the CPU itself, which is more than enough for a modern GPU and a fast NVMe drive, though the Radeon RX 6800 in this build uses PCIe 4.0.

Benchmark scores tell a clear story about the i9-13900KF's capabilities. In Cinebench R23, it scores 48,855 in multi-core and 6,897 in single-core. The multi-core number is roughly 7x the single-core score, which reflects the scaling of its 24 cores across the 32 threads. Geekbench results show 22,486 multi-core and 2,668 single-core. PassMark multi-thread score is 57,729, with single-thread at 4,584. The 3DMark thread scaling tests are also revealing: 3DMark 2-thread scores 2,353, 4-thread scores 4,643, 8-thread scores 8,510, 16-thread scores 11,177, and max-thread scores 15,405. This progression shows that the chip continues to gain meaningful performance as more threads are utilized, though the gains taper off after 16 threads, indicating that most real-world applications won't fully saturate all 32 threads.

The CPU holds the 93rd percentile among all CPUs, placing it in the top 7% of processors tracked in the database. Its average benchmark score is 61,841. The nearest rivals are extremely close: the Intel Core Ultra 7 270HX Plus matches at 61,834 (0% delta), the Intel Core i9-13900K is at 61,766 (0.1% ahead of the 13900KF), and the Intel Core i9-13900T at 61,723 (0.2% ahead). The Intel Xeon 636 trails slightly at 61,360 (0.8% behind). This clustering means that for practical purposes, the 13900KF is performance-equivalent to its closest competitors—the differences are well within run-to-run benchmark variance.

For real workloads, these scores translate to excellent multi-threaded throughput for video encoding, 3D rendering, and software compilation. The single-thread performance is equally strong, which matters for games and lightly-threaded productivity apps. The data compression score of 786,218 in PassMark and integer math at 206,859 indicate that the CPU handles data-heavy tasks with ease. Floating-point math at 150,869 is also strong, which is relevant for scientific and engineering simulations.

FAQ

Q: How does the Core i9-13900KF compare to the Core i9-13900K?

A: The two CPUs are nearly identical in average benchmark scores. The i9-13900KF averages 61,841, while the i9-13900K scores 61,766, a delta of 0.1% in favor of the 13900KF. This difference is negligible and within normal benchmark variability.

Q: What is the memory support situation for this CPU?

A: The i9-13900KF supports both DDR4 and DDR5 memory through a dual-channel bus. This gives builders the option to use existing DDR4 memory for a lower-cost build or move to DDR5 for higher bandwidth, depending on the motherboard chosen.

Q: Does the CPU support ECC memory?

A: Yes, ECC memory support is listed as true. This is a useful feature for workstation builds where data integrity in memory is critical, such as financial modeling or scientific computing.

Q: What PCIe generation and lane count does the CPU provide?

A: The CPU provides PCIe Gen 5 with 20 lanes from the CPU. This is sufficient for a high-end GPU and one or more NVMe drives, although the RX 6800 in this build uses PCIe 4.0, which is fully compatible.

Q: What is the launch MSRP of the i9-13900KF?

A: The launch MSRP is $564. This was the price at introduction, and current market pricing may differ.

Q: How does the CPU's multi-threaded performance scale?

A: The 3DMark thread tests show scores of 2,353 at 2 threads, 4,643 at 4 threads, 8,510 at 8 threads, 11,177 at 16 threads, and 15,405 at max threads. The scaling from 2 to 8 threads is nearly linear, but the gains from 16 to 32 threads are smaller, indicating diminishing returns beyond 16 threads for most workloads.

Q: Is the CPU unlocked for overclocking?

A: Yes, the multiplier is unlocked. Combined with the 125 W TDP and robust cooling requirements, this allows for manual overclocking if the user's cooling solution can handle the additional heat output.

Benchmark Performance

The combined performance picture for this build is strong. The CPU sits at the 93rd percentile among all CPUs, and the GPU sits at the 75th percentile among all GPUs. The combined percentile for the pairing is 84, reflecting a high-performing desktop configuration that is well above average but not at the absolute top tier.

The CPU's benchmark results are consistently strong across a wide range of tests. In Cinebench R20, the multi-core score is 20,519 and single-core is 2,896. Cinebench R15 shows 4,924 multi-core and 695 single-core. The 3DMark max-thread score of 15,405 is particularly relevant for gaming and content creation, as it represents how the CPU handles the thread counts typical of modern games and rendering software. PassMark physics score is 2,956, and data encryption is 46,186, with extended instructions at 46,084. The find prime numbers score of 225 is notably low relative to other PassMark scores, which is expected since that test is a single-threaded integer workload that doesn't leverage the CPU's many cores effectively.

The GPU, an AMD Radeon RX 6800, uses the RDNA 2.0 architecture on TSMC's 7 nm process. It has 3,840 shading units, 240 TMUs, and 96 ROPs, with 60 ray tracing cores. The 16 GB of GDDR6 memory on a 256-bit bus provides 512.0 GB/s of bandwidth. Base clock is 1700 MHz with a boost of 2105 MHz and a game clock of 1815 MHz. The GPU's FP32 performance is 16.17 TFLOPS, and FP16 is 32.33 TFLOPS (2:1). The pixel rate is 202.1 GPixel/s and texture rate is 505.2 GTexel/s.

In GPU benchmarks, the RX 6800 scores 22,067 in PassMark G3D, with a GPU compute score of 10,864. Geekbench Vulkan scores 115,107 and OpenCL scores 24,508. The 3DMark Steel Nomad DX12 score is 3,188. The GPU's average benchmark score is 30,095, placing it at the 75th percentile. Its nearest rivals are the NVIDIA GeForce RTX 3070 Ti at 29,945 (0.5% ahead of the RX 6800), the NVIDIA GeForce RTX 5070 Mobile at 29,928 (0.6% ahead), and the NVIDIA GeForce RTX 2080 Ti at 29,783 (1% ahead). The AMD Radeon RX 6700 is 1.1% behind at 30,433. This puts the RX 6800 in a tight competitive cluster with these cards, meaning real-world performance differences will be small.

The combined picture is a CPU that is near the top of the desktop heap and a GPU that is solidly upper-midrange. The CPU's 93rd percentile is significantly higher than the GPU's 75th percentile, which suggests that the CPU is the stronger component relative to its peers. For gaming, this means the GPU will often be the limiting factor at higher resolutions, while the CPU has headroom to spare. For CPU-heavy workloads like rendering or compilation, the system will perform at a very high level.

Who Should Build It

This build targets users who need exceptional multi-threaded CPU performance and solid 1440p or entry-level 4K gaming capability. The i9-13900KF's 93rd percentile CPU score makes it ideal for content creators who work with video editing, 3D rendering, and large data sets. Gamers at 1440p resolution will find the RX 6800's 75th percentile GPU performance sufficient for high settings in most titles, while the CPU ensures that frame rates are never CPU-limited in modern games. The 16 GB of VRAM on the GPU is also well-suited for texture-heavy modding or high-resolution texture packs.

Software developers will benefit from the CPU's strong multi-threaded performance in compilation tasks, with the PassMark integer math score of 206,859 indicating fast code builds. Students in engineering or computer science fields who run simulations or compile large projects will find the CPU responsive, though the power consumption and cooling requirements mean this isn't a typical student laptop replacement—it's a desktop workstation. Small business workstations that run virtualization, database workloads, or heavy spreadsheet analysis will also benefit from the 24 cores and 32 threads.

The GPU's 75th percentile performance is adequate for high-refresh gaming at 1080p and 1440p, but not for consistent 4K high-refresh gaming. For users who prioritize gaming over productivity, the CPU is overkill, but for those who split time between gaming and professional workloads, this pairing makes sense. The ECC memory support on the CPU adds appeal for small businesses or researchers who need data reliability.

Balance and Bottleneck

The balance in this system leans heavily toward the CPU. With the CPU at the 93rd percentile and the GPU at the 75th percentile, the CPU is clearly the stronger component relative to its peers. In gaming workloads, this means the GPU will be the limiting factor at 1080p and 1440p, where the CPU can feed frames faster than the GPU can render them. At 4K, the GPU becomes even more of a bottleneck, as the resolution increases the GPU load while the CPU load remains relatively constant.

The FPS scaling evidence supports this: the GPU's PassMark G3D score of 22,067 is respectable but not top-tier, while the CPU's 3DMark max-thread score of 15,405 is near the top of the desktop range. In CPU-heavy workloads like video encoding or 3D rendering, the CPU will dominate and the GPU will have minimal impact. In gaming, the CPU's single-thread score of 4,584 in PassMark ensures that even the most demanding game engines won't stall on the processor side, but the GPU's 75th percentile means frame rates will vary by title and resolution.

For content creators who use GPU acceleration in applications like video editing, the RX 6800's compute score of 10,864 is decent but not exceptional. The CPU's multi-threaded performance will carry most productivity workloads, while the GPU provides moderate acceleration for GPU-accelerated effects and encoding. The practical bottleneck will be the GPU for gaming and the CPU for productivity, which is a reasonable balance for a system that does both, though users who primarily game at 1080p might find the CPU overkill for the GPU's capabilities.

The 125 W TDP of the CPU and 250 W TDP of the GPU, combined with a suggested PSU of 600 W, means that power delivery is not a bottleneck if the user follows the PSU recommendation. The CPU's performance is also dependent on adequate cooling, as the 10 nm process and high boost clocks will generate significant heat under sustained multi-threaded loads.

Usage Scenarios

For high-refresh gaming at 1080p, this system is exceptional. The CPU's single-thread performance of 4,584 in PassMark will never be a limiting factor, and the GPU's 75th percentile performance can easily push 144+ FPS in most esports and competitive titles. At 1440p, the GPU will still deliver high frame rates in most games, though demanding AAA titles may require settings adjustments to maintain high refresh rates.

Streaming while gaming is a strong use case for this build. The CPU's 24 cores and 32 threads allow for software encoding without impacting game performance significantly, as the 3DMark 8-thread score of 8,510 suggests that even dedicating a few threads to encoding leaves plenty of headroom for gaming. The GPU's hardware encoding capabilities also add flexibility.

Video editing is a primary strength of this system. The Cinebench R23 multi-core score of 48,855 means timeline rendering and export will be fast, and the 16 GB of GPU memory handles large preview buffers and effects layers comfortably. The CPU's PassMark data compression score of 786,218 also helps with video file handling.

3D rendering is another strong scenario. The CPU's multi-threaded performance in Cinebench R20 at 20,519 and R15 at 4,924 indicates that CPU-based rendering will be quick. The GPU's render capabilities are modest by comparison, but the 60 ray tracing cores provide some acceleration for GPU-based renderers.

Software development benefits from the CPU's integer math score of 206,859 and extended instructions score of 46,084. Large codebases will compile quickly across the 32 threads, and the 36 MB of L3 cache helps with repetitive build tasks. The ECC memory support is an added bonus for long-running test suites.

Student and office work is overkill for this system, but it handles these tasks effortlessly. The CPU's single-thread score of 2,668 in Geekbench means even poorly optimized office software runs smoothly. The system's real advantage in this scenario is multitasking—running a browser with dozens of tabs, a word processor, and a spreadsheet simultaneously won't strain the CPU.

Upgrade Path and Platform

The i9-13900KF uses Intel Socket 1700, which is the LGA 1700 platform. This socket supports DDR4 and DDR5 memory, giving builders a choice of memory technology at the motherboard selection stage. The CPU provides PCIe Gen 5 with 20 lanes, which is future-proof for next-generation GPUs and NVMe drives, though the current GPU uses PCIe 4.0. The memory bus is dual-channel, so a pair of memory modules is recommended for optimal bandwidth.

The CPU's TDP is 125 W, and the GPU's TDP is 250 W, with a suggested PSU of 600 W. This leaves some headroom for overclocking the CPU or GPU, though users who push both components hard may want a higher-wattage PSU. The CPU is production status "Active," meaning it's still available, while the GPU is "End-of-life," so the GPU is the component most likely to be replaced first.

A sensible next upgrade for this system would be a higher-tier GPU, as the CPU has substantial headroom to feed a more powerful graphics card. The 93rd percentile CPU score means that even a top-tier GPU would not be significantly CPU-limited in most workloads. Alternatively, adding more RAM or faster DDR5 memory would benefit memory-sensitive workloads, given the dual-channel bus support. The PCIe Gen 5 lanes also mean that a future PCIe Gen 5 NVMe drive would be supported, though the performance gain for most users would be minimal.

Build Overview

This is a desktop build pairing the Intel Core i9-13900KF with the AMD Radeon RX 6800. The CPU is a top-tier 24-core, 32-thread processor with a 93rd percentile ranking among all CPUs, while the GPU is an upper-midrange RDNA 2.0 card with a 75th percentile ranking among all GPUs. The combined percentile of 84 places this build in the top 16% of all tracked system configurations, making it a high-performance desktop for both productivity and gaming.

The CPU's average benchmark score of 61,841 puts it in a virtual tie with its closest rivals, including the Core Ultra 7 270HX Plus and the Core i9-13900K. The GPU's average score of 30,095 places it just above the RTX 3070 Ti and RTX 2080 Ti in the benchmark database. This is a well-matched pairing for users who prioritize CPU-heavy workloads but still want solid gaming performance, with the CPU being the clear performance leader in this configuration.

Gaming Performance

No measured FPS rows exist for this exact CPU+GPU combination, so the following FPS figures are estimates based on the benchmark scores. The CPU's 3DMark max-thread score of 15,405 and single-thread score of 1,188 indicate that it will not bottleneck any current game, while the GPU's PassMark G3D score of 22,067 and 3DMark Steel Nomad DX12 score of 3,188 suggest solid 1440p performance.

At 1080p ultra settings, most games should run well above 100 FPS, with esports titles like competitive shooters and MOBAs likely exceeding 200 FPS due to the CPU's strong single-thread performance. At 1440p ultra, frame rates will vary more by game, with AAA titles typically landing in the 60-120 FPS range depending on optimization. At 4K ultra, the GPU's 75th percentile performance will struggle to maintain 60 FPS in the most demanding titles, though less demanding games and older titles will remain playable.

These estimates are based on the GPU's 75th percentile ranking and the CPU's 93rd percentile ranking, using the relative performance levels of the benchmark scores. Actual FPS will vary depending on game optimization, driver versions, and system configuration. Users who want high-refresh 4K gaming should consider a more powerful GPU, while those targeting 1080p or 1440p will find this system well-suited to their needs.