How Many FPS Does League of Legends Get with Arc B580? Performance at 1080p, 1440p & 4K
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Arc B580 Specifications
These are the basic specs. The full Arc B580 page adds the rest of the technical data and its FPS game by game, not just in League of Legends.
Want the exact League of Legends FPS with your Arc B580?
These FPS assume a reference CPU. Add your real processor and RAM and we'll tailor the estimate to your rig.
- Estimate tailored to your rig
- Customize resolution, quality, and RAM
League of Legends benchmark on Arc B580: FPS by resolution and quality
Pick yours and we recalculate the whole table above with it.
League of Legends FPS with a Arc B580 and a Intel Core i5-13400
| Quality | 1080p (Full HD) | 1440p (2K) | 4K (Ultra HD) |
|---|---|---|---|
| Ultra | 316FPS min 148Excellent | 278FPS min 137Excellent | 145FPS min 89Excellent |
| High | 411FPS min 193Excellent | 361FPS min 178Excellent | 189FPS min 116Excellent |
| Medium | 500FPS min 235Excellent | 472FPS min 233Excellent | 247FPS min 152Excellent |
| Low | 500FPS min 235Excellent | 500FPS min 247Excellent | 319FPS min 196Excellent |
| Bottleneck (estimated) | CPU 69% | CPU 65% | CPU 44% |
The percentage estimates how much of the stronger component's capability goes unused because of the other one.
This one does matter: from the Intel Core i9-14900K downwards the processor becomes the brake on the Arc B580. There is 9% between the slowest and fastest CPU in the table. One caveat: this is at 1080p, where the CPU weighs most. At 1440p and 4K the graphics card takes over and the processor stops mattering.
XeSS performance: FPS with AI upscaling
Upscaling renders League of Legends at a lower internal resolution and reconstructs the image, so you trade a little sharpness for extra frames. These are the estimated figures for the Arc B580 with XeSS enabled, starting from its native Ultra FPS.
| Resolution | Native | XeSS Quality | XeSS Performance | + Frame generation |
|---|---|---|---|---|
| 1080p | 316 | 395 | 458 | 672 |
| 1440p | 278 | 375 | 459 | 638 |
| 4K | 145 | 210 | 268 | 357 |
Frame generation inserts intermediate frames: it raises the smoothness you see on screen, but it does not reduce input latency, so use it selectively in competitive games.
About ray tracing: every figure on this page is with ray tracing off. The Arc B580 does have dedicated hardware for it, so you can turn it on in games that implement it. The FPS cost swings widely depending on how much ray tracing each title uses, and XeSS is exactly what people lean on to pay for it.
Estimated figures. The real gain varies by game and by the version of the technology.
Is the CPU or the graphics card holding you back?
These FPS assume a mid-range CPU that isn't a bottleneck — roughly a Intel Core i5-13400 — and 16 GB of RAM.
With that CPU, the Arc B580 has headroom to spare in League of Legends: the processor runs out before the graphics card does. A faster processor would gain you FPS; a stronger graphics card would barely help.
Is the Arc B580 Enough for League of Legends?
The Arc B580 delivers 316 FPS at 1080p Ultra in League of Legends. More than enough for 144Hz. You can comfortably play at 1440p.
At 1440p it gets 278 FPS and at 4K 145 FPS at Ultra quality.
This GPU is more than enough — you can play at 1440p or 4K comfortably
Want more FPS in League of Legends?
Our guide collects the settings that give between +40% and +90% FPS in League of Legends with barely any visual loss. Recommended settings, GPU-specific tips (NVIDIA/AMD/Intel) and solutions to common game issues.
Arc B580 or RX 7600 XT for League of Legends?
In League of Legends at 1080p Ultra both land on the same figure: 316 FPS. Price and power draw are what separate them.
Arc B580 vs RX 7600 XT: which one is faster?Other GPUs for League of Legends
If none of these convinces you for League of Legends, the full ranking sorts all 143 cards by real FPS, not synthetic scores.
See the full graphics card ranking by real FPS
