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GPU Comparison: FPS, Specs & Value

Radeon RX 580 Mobile vs GeForce GTX 1660 Ti

The Radeon RX 580 Mobile is quite a bit slower than the GeForce GTX 1660 Ti on average across 100+ games. We cannot compare value as at least one GPU is out of stock.

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$245.73View GPUAll GPUs

Up to 78% faster on average across 100+ games
Is 1 year and 11 months newer
Available for $245.73

FPS Comparison Across Popular Games

Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.

Resolution

Quality

Paired CPU

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League of Legends2009

Radeon RX 580 Mobile

469FPS

GeForce GTX 1660 Ti

477FPS

Grand Theft Auto V2013

Radeon RX 580 Mobile

53FPS

GeForce GTX 1660 Ti

64FPS

Fortnite2017

Radeon RX 580 Mobile

12FPS

GeForce GTX 1660 Ti

51FPS

Escape From Tarkov2017

Radeon RX 580 Mobile

184FPS

GeForce GTX 1660 Ti

200FPS

Valorant2020

573FPS

630FPS

496FPS

480FPS

Call of Duty: Warzone 2.02020

Radeon RX 580 Mobile

79FPS

GeForce GTX 1660 Ti

111FPS

World of Warcraft2004

Radeon RX 580 Mobile

182FPS

GeForce GTX 1660 Ti

213FPS

Specs & Benchmark Comparison

Side-by-side specs, synthetic benchmarks, and key hardware differences.

Scorehelp

Radeon RX 580 Mobile

13%

GeForce GTX 1660 Ti

13%

Similar overall gaming performance.

FP32 Computehelp

Radeon RX 580 Mobile

4963 TFLOPS

GeForce GTX 1660 Ti

5437 TFLOPS

GeForce GTX 1660 Ti has 10% more compute power.

Pixel Fillratehelp

Radeon RX 580 Mobile

34.46 GP/s

GeForce GTX 1660 Ti

84.96 GP/s

GeForce GTX 1660 Ti fills pixels 147% faster.

Texture Fillratehelp

Radeon RX 580 Mobile

155.1 GT/s

GeForce GTX 1660 Ti

169.9 GT/s

GeForce GTX 1660 Ti maps textures 10% faster.

VRAMhelp

Radeon RX 580 Mobile

8 GB

GeForce GTX 1660 Ti

6 GB

Radeon RX 580 Mobile has 2 GB more VRAM.

Memory Bandwidthhelp

Radeon RX 580 Mobile

256 GB/s

GeForce GTX 1660 Ti

288 GB/s

GeForce GTX 1660 Ti moves data 13% faster.

TDPhelp

Radeon RX 580 Mobile

100W

GeForce GTX 1660 Ti

120W

Radeon RX 580 Mobile draws 20W less power.

Pricehelp

Radeon RX 580 Mobile

GeForce GTX 1660 Ti

$245.73

Radeon RX 580 MobileGeForce GTX 1660 Ti

GDDR5

Memory Typehelp

GDDR6

256-bit

Memory Bushelp

192-bit

Polaris Mobile (RX M500)

Generationhelp

GeForce 16

Mobile

Segmenthelp

Desktop

Power Connectorshelp

Outputshelp

Frequently Asked Questions

compare_arrowsWhich is better, Radeon RX 580 Mobile or GeForce GTX 1660 Ti?expand_more

Neither, they're within 1% of each other across 100+ games. Pick based on price, availability, or VRAM.

aspect_ratioWhich is better for 1440p and 4K gaming, Radeon RX 580 Mobile or GeForce GTX 1660 Ti?expand_more

The GeForce GTX 1660 Ti is faster at both resolutions. At 4K, VRAM matters more, check the specs section to compare memory. Toggle the resolution selector above to see per-game FPS.

paidIs the GeForce GTX 1660 Ti worth buying in 2026?expand_more

It scores 13/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.

differenceWhat is the difference between Radeon RX 580 Mobile and GeForce GTX 1660 Ti?expand_more

Performance: Radeon RX 580 Mobile scores 13/100, GeForce GTX 1660 Ti scores 13/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.

compressWill the Radeon RX 580 Mobile or GeForce GTX 1660 Ti bottleneck my PC?expand_more

Depends on the rest of your build, especially your CPU. Swap the paired CPU in the FPS section above to see if it limits performance, or use our bottleneck calculator for a full analysis.

upgradeIs it worth upgrading to the Radeon RX 580 Mobile or GeForce GTX 1660 Ti?expand_more

The GeForce GTX 1660 Ti is the stronger pick at 13/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.

memoryDoes VRAM matter when comparing the Radeon RX 580 Mobile and GeForce GTX 1660 Ti?expand_more

Yes, more VRAM helps at higher resolutions and in modded games. Check the specs section above to compare memory capacity and bandwidth between both GPUs.