League of Legends FPS on Ryzen 7 9800X3D + GeForce RTX 3090

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
low909 FPS
medium745 FPS
high664 FPS
ultra574 FPS
1440P
low711 FPS
medium583 FPS
high508 FPS
ultra434 FPS
4K
low489 FPS
medium406 FPS
high349 FPS
ultra289 FPS

Performance Report

League of Legends

GeForce RTX 3090 + Ryzen 7 9800X3D
🎮Visual Experience

At 1080p, all quality settings exceed 574 FPS, suitable for 144Hz+ monitors. At 1440p, all settings exceed 434 FPS. At 4K, all settings exceed 289 FPS.

Official Requirements

The GeForce RTX 3090 is 861% above the recommended GPU (GeForce GTX 560) for League of Legends. The Ryzen 7 9800X3D is 524% above the recommended CPU (Core i5-3330).

⚙️FPS Ceiling Analysis

At lower resolutions (1080p (low/medium/high), 1440p (low/medium/high), 4k (low/medium)), the Ryzen 7 9800X3D sets the FPS ceiling. As graphical load increases at (4k ultra), the GeForce RTX 3090 becomes the FPS-limiting side. The FPS ceiling is closely matched at 1080p ultra, 1440p ultra, 4k high.

💰Value Analysis

Approximated average price on current market:

GeForce RTX 3090:$900
Official Launch Price: $1499
Ryzen 7 9800X3D:$465.38
Official Launch Price: $479

Combo price: $1365.38. At 1080p Ultra, this combo delivers 574 FPS, equivalent to 0.42 FPS per dollar.

ResolutionLowMediumHighUltra
1080p0.666 fps/$0.546 fps/$0.486 fps/$0.420 fps/$
1440p0.521 fps/$0.427 fps/$0.372 fps/$0.318 fps/$
4k0.358 fps/$0.297 fps/$0.256 fps/$0.212 fps/$

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

Performance Limiter Analysis

Ryzen 7 9800X3D|GeForce RTX 3090

This section is based on estimated CPU/GPU FPS ceilings, not utilization percentages. Adjacent heavier settings are lightly stabilized to remove prediction jitter that would otherwise create impossible reversals.

📈Analysis

At 4k ultra, the GeForce RTX 3090 sets the ceiling at about 299 FPS, while the Ryzen 7 9800X3D has headroom up to 327 FPS. In this scenario, the GPU limits the CPU potential by 9% (FPS gap: 28 FPS). Overall distribution: GPU limits 1/12 cells, CPU limits 8/12, balanced 3/12.

Verdict

Well Balanced

The Ryzen 7 9800X3D and GeForce RTX 3090 stay close in effective frame-generation ceiling across most presets, so neither side consistently suppresses the other by a large margin.

🧩Detailed Breakdown
1080p (Full HD)
LowCPU Limits GPU 6%
MediumCPU Limits GPU 6%
HighCPU Limits GPU 6%
UltraBalanced
1440p (2K QHD)
LowCPU Limits GPU 6%
MediumCPU Limits GPU 6%
HighCPU Limits GPU 6%
UltraBalanced
4K (Ultra HD)
LowCPU Limits GPU 6%
MediumCPU Limits GPU 6%
HighBalanced
UltraGPU Limits CPU 9%
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 and then monotonic-smoothed across heavier presets and resolutions, not generic utilization heuristics.

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 - Ryzen 7 9800X3D
cpu icon
39,966
Your Score
MinimumCore i3-530
RecommendedCore i5-3330
GPU - GeForce RTX 3090
gpu icon
26,594
Your Score
MinimumGeForce 9600 GT
RecommendedGeForce GTX 560

Your CPU is 524% above and your GPU is 861% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.

CPU

+524%vsrecommended

GPU

+861%vsrecommended

CPU

+1805%vsminimum

GPU

+4683%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 Ryzen 7 9800X3D and GeForce RTX 3090 run League of Legends well?

Yes, the Ryzen 7 9800X3D paired with the GeForce RTX 3090 can run League of Legends smoothly up to 4k achieving around 289 FPS at Ultra quality. Your GPU is 861% above the recommended specs, and your CPU is 524% above the recommended requirements.

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

This CPU + GPU combo costs approximately $1365.38 ($465.38 CPU + $900 GPU). Your Ryzen 7 9800X3D 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 9 9950X is a great upgrade option for around $649 (Rank #4 for value).

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

Your Ryzen 7 9800X3D 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: 1080p low, 1080p medium, 1080p high, 1440p low, 1440p medium, 1440p high, 4k low, 4k medium. GPU fully utilized at: 4k 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 Ryzen 7 9800X3D and GeForce RTX 3090 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 Ryzen 7 9800X3D and GeForce RTX 3090?

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.