League of LegendsFPS onEPYC 8434P&GeForce RTX 4090

League of Legends

As the world's most popular MOBA, League of Legends runs on a proprietary engine that has been updated for over a decade. Recently, Riot increased the minimum requirements to include AVX instruction support and dropped support for older OSs and DirectX 9. While still lightweight, modern team fights with complex particle effects can strain older integrated graphics. The game scales well with single-thread CPU performance, meaning even modern entry-level processors can deliver high frame rates.

League of Legends - FPS Estimates by Resolution

Actual FPS may vary based on RAM speed, background processes, and other system factors

1080P
low700 FPS
medium600 FPS
high500 FPS
ultra448 FPS
1440P
low585 FPS
medium473 FPS
high389 FPS
ultra331 FPS
4K
low444 FPS
medium344 FPS
high254 FPS
ultra195 FPS

Performance Report

League of Legends

GeForce RTX 4090 + EPYC 8434P
🎮Visual Experience

At 1080p, all quality settings exceed 448 FPS, suitable for 144Hz+ monitors. At 1440p, all settings exceed 331 FPS. At 4K, all settings exceed 195 FPS.

Official Requirements

The GeForce RTX 4090 is 1277% above the recommended GPU (GeForce GTX 560) for League of Legends. The EPYC 8434P is 938% above the recommended CPU (Core i5-3330).

⚙️FPS Ceiling Analysis

At lower resolutions (1440p (low/medium/high), 4k (medium/high/ultra)), the EPYC 8434P sets the FPS ceiling. As graphical load increases at (1080p ultra), the GeForce RTX 4090 becomes the FPS-limiting side. The FPS ceiling is closely matched at 1080p (low/medium/high), 1440p ultra, 4k low.

💰Value Analysis

Approximated average price on current market:

GeForce RTX 4090:$1649(updated 2/6/2026)
Official Launch Price: $1599
EPYC 8434P:$3137(updated 3/9/2026)
Official Launch Price: $1517

Combo price: $4786. At 1080p Ultra, this combo delivers 448 FPS, equivalent to 0.09 FPS per dollar.

ResolutionLowMediumHighUltra
1080p0.146 fps/$0.125 fps/$0.104 fps/$0.094 fps/$
1440p0.122 fps/$0.099 fps/$0.081 fps/$0.069 fps/$
4k0.093 fps/$0.072 fps/$0.053 fps/$0.041 fps/$

* Table values represent FPS per Dollar (higher is better)

Performance Limiter Analysis

EPYC 8434P|GeForce RTX 4090

This section is based on estimated CPU/GPU FPS ceilings, not utilization percentages.

📈Analysis

At 4k high, the EPYC 8434P sets the ceiling at about 254 FPS, while the GeForce RTX 4090 could reach 306 FPS. In this scenario, the CPU limits the GPU potential by 17% (FPS gap: 52 FPS). Overall distribution: CPU limits 6/12 cells, GPU limits 1/12, balanced 5/12.

Verdict

CPU Limits GPU

Your EPYC 8434P is the limiting side in the heaviest mismatch. This means part of the GeForce RTX 4090 rendering potential remains unused in those settings.

🧩Detailed Breakdown
1080p (Full HD)
LowBalanced
MediumBalanced
HighBalanced
UltraGPU Limits CPU 7%
1440p (2K QHD)
LowCPU Limits GPU 10%
MediumCPU Limits GPU 9%
HighCPU Limits GPU 10%
UltraBalanced
4K (Ultra HD)
LowBalanced
MediumCPU Limits GPU 10%
HighCPU Limits GPU 17%
UltraCPU Limits GPU 16%
Percentages show how much potential FPS of the stronger component is lost because the other component has a lower FPS ceiling.
🧠Methodology

We estimate the maximum FPS the processor can sustain and the maximum FPS the graphics card can sustain in each setting, then compare those limits directly.

Limit Factor formula: (stronger - weaker) / stronger. Example: if CPU ceiling is 200 FPS and GPU ceiling is 140 FPS, then GPU limits CPU by 30%.

CPU Limits GPU means the processor ceiling is lower. GPU Limits CPU means the graphics ceiling is lower. Balanced means the FPS ceilings are close enough that the gap is negligible.

A component can still be the FPS limiter without reaching 100% utilization. The displayed percentages are derived from FPS ceilings, not generic utilization heuristics.

📊Predicted Hardware Utilization for EPYC 8434P and GeForce RTX 4090

1080p (Full HD)

Low
CPU38% - 81%
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GPU25% - 29%
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Medium
CPU50% - 84%
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GPU28% - 31%
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High
CPU50% - 84%
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GPU28% - 31%
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Ultra
CPU46% - 83%
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GPU31% - 32%
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1440p (2K QHD)

Low
CPU39% - 81%
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GPU31% - 38%
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Medium
CPU51% - 85%
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GPU34% - 39%
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High
CPU51% - 85%
<>
GPU34% - 39%
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Ultra
CPU46% - 83%
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GPU37% - 40%
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4K (Ultra HD)

Low
CPU37% - 80%
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GPU53% - 56%
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Medium
CPU47% - 84%
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GPU54% - 60%
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High
CPU47% - 84%
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GPU54% - 60%
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Ultra
CPU43% - 83%
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GPU55% - 63%
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Performance Summary

The EPYC 8434P + GeForce RTX 4090 pairing runs this title with CPU utilization between 37% and 85% and GPU utilization between 25% and 63%. EPYC 8434P stays in a controlled operating range, while GeForce RTX 4090 is utilized efficiently without persistent saturation. As resolution scales, average GPU load rises from 30% at 1080p to 57% at 4K, while CPU averages move from 65% to 63%.

Load Interpretation

The utilization pattern is relatively even. The GeForce RTX 4090 reaches 59% average at its highest-load preset, while the EPYC 8434P peaks at 68% average. This suggests a fairly controlled load distribution, but the actual FPS-limiting side should still be read from the limiter analysis above.

Resolution Scaling

At 1080p, averages sit around CPU 65% and GPU 30%. At 1440p, that shifts to CPU 65% and GPU 36%, and at 4K it reaches CPU 63% and GPU 57%. This shows that GPU demand scales sharply with resolution while CPU load remains comparatively stable.

Optimal Settings Recommendation

4K (Ultra HD) Ultra is the most balanced preset based on this dataset. It runs around CPU 63% (43-83%) and GPU 59% (55-63%), which keeps GeForce RTX 4090 well utilized without constant max-out behavior while EPYC 8434P remains stable for consistent frame delivery.

Upgrade Insight

Current utilization does not show an urgent upgrade requirement for either component; the EPYC 8434P and GeForce RTX 4090 remain reasonably matched for this title.

Understanding Hardware Utilization: These percentages represent how much of your component's maximum processing power is actively being used during gameplay. They describe hardware load, but they do not directly tell you which component sets the FPS ceiling.

Important: a CPU or GPU can still be the FPS limiter without reaching 100% utilization. Two processors can both show 40% usage and still deliver very different frame rates, depending on per-core speed, cache, engine threading, driver overhead, and frame preparation efficiency.

  • High GPU Load: You typically want to see High GPU Utilization (90%+) and moderate CPU usage when visual settings are heavy. This indicates the graphics pipeline is under strong load, but the exact FPS limiter should still be confirmed by the FPS ceiling analysis.
  • High CPU Load: If you see High CPU Utilization (85%+) paired with lower GPU utilization, the processor is handling a disproportionate share of frame preparation and game logic. That can point to CPU-side pressure, but it should not be treated as a direct replacement for FPS ceiling analysis.
  • Low CPU and GPU Load: If both CPU and GPU utilization are relatively low, it means the hardware is waiting on something else. This could be a game engine limitation, poorly optimized code, or an artificial framerate cap like VSync holding performance back. It does not mean both parts are equally fast in FPS terms.

Data generated by our Machine Learning engine trained on real-world benchmarks. Shows the approximate average utilization at each setting.

League of Legends Requirements Comparison

See how your processor and graphics card compare against the game official minimum and recommended system specs. The placement of your hardware is calculated using relative synthetic performance scores to help you gauge overall playability.

CPU - EPYC 8434P
cpu icon
66,490
Your Score
MinimumCore i3-530
RecommendedCore i5-3330
GPU - GeForce RTX 4090
gpu icon
38,112
Your Score
MinimumGeForce 9600 GT
RecommendedGeForce GTX 560

Your CPU is 938% above and your GPU is 1277% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.

CPU

+938%vsrecommended

GPU

+1277%vsrecommended

CPU

+3069%vsminimum

GPU

+6755%vsminimum

Minimum Requirements
Video Card: GeForce 9600 GT
Processor: Core i3-530
Memory: 2 GB
Disk Space: 16 GB
System: Windows 10 64-bit
Recommended Requirements
Video Card: GeForce GTX 560
Processor: Core i5-3330
Memory: 4 GB
Disk Space: 16 GB (SSD)
System: Windows 11 64-bit

Frequently Asked Questions

1Can the EPYC 8434P and GeForce RTX 4090 run League of Legends well?

Yes, the EPYC 8434P paired with the GeForce RTX 4090 can run League of Legends smoothly up to 4k achieving around 195 FPS at Ultra quality. Your GPU is 1277% above the recommended specs, and your CPU is 938% above the recommended requirements.

2Is there a more cost-effective setup to run League of Legends?

This CPU + GPU combo costs approximately $4786 ($3137 CPU (Rank #245 Value) + $1649 GPU (Rank #77 Value)). Your EPYC 8434P provides phenomenal top-tier performance but at a premium enthusiast price. Since you are essentially at the ceiling of current hardware capabilities, there are no meaningful performance upgrades available. However, if you wanted a more cost-effective build that still delivers a great experience, you could theoretically step down to a high-end processor with a significantly better value rating. For example, the Ryzen Threadripper PRO 9975WX is a great upgrade option for around $4099 (Rank #329 for value).

3Which component should I upgrade first to improve League of Legends performance?

Your EPYC 8434P is already an incredibly powerful processor. While it's technically the first component to hit its limit (which is completely normal in state-of-the-art builds), there is no meaningful upgrade path that would drastically improve your League of Legends performance right now. CPU fully utilized at: 1440p low, 1440p medium, 1440p high, 4k medium, 4k high, 4k ultra. GPU fully utilized at: 1080p ultra.

4Does this setup support Frame Generation for League of Legends?

League of Legends does not currently support Frame Generation technologies like DLSS 3 or FSR 3. Your performance is based entirely on native rendering. If the game adds support in a future update, newer GPUs will benefit the most.

5What are the minimum and recommended specs for League of Legends?

League of Legends requires at minimum a Core i3-530 (CPU) and GeForce 9600 GT (GPU) with 2 GB RAM and 16 GB storage. For the recommended experience, you need a Core i5-3330 and GeForce GTX 560 with 4 GB RAM. Your EPYC 8434P and GeForce RTX 4090 both exceed the recommended specs, so you're well-positioned for a great experience.

6How accurate are these League of Legends FPS estimates for the EPYC 8434P and GeForce RTX 4090?

These League of Legends FPS results are not arbitrary numbers. They come from calculations informed by thousands of real gaming benchmarks, and the typical accuracy range is around 10% to 15%. That makes them far more useful than generic FPS calculators that simply invent values without a benchmark foundation. Actual in-game performance can still vary with drivers, updates, RAM configuration, cooling, and the exact scene being rendered.

Performance estimates are based on synthetic benchmarks and hardware capabilities.

Results may vary based on drivers, OS, and background processes.