Skip to main content
GPU Comparison: FPS, Specs & Value

GeForce GTX 1660 Ti vs Radeon R9 M390X

The GeForce GTX 1660 Ti is much faster than the Radeon R9 M390X on average across 100+ games. We cannot compare value as at least one GPU is out of stock.

  • Up to 185% faster on average across 100+ games
  • Is 3 years and 10 months newer
  • Available for $245.73

FPS Comparison Across Popular Games

Specs & Benchmark Comparison

Scorehelp

GeForce GTX 1660 Ti ranks 5 points higher.

FP32 Computehelp
AMD Radeon R9 M390X Logo
Radeon R9 M390X
2961 TFLOPS

GeForce GTX 1660 Ti has 84% more compute power.

Pixel Fillratehelp
AMD Radeon R9 M390X Logo
Radeon R9 M390X
23.14 GP/s

GeForce GTX 1660 Ti fills pixels 267% faster.

Texture Fillratehelp
AMD Radeon R9 M390X Logo
Radeon R9 M390X
92.54 GT/s

GeForce GTX 1660 Ti maps textures 84% faster.

VRAMhelp

GeForce GTX 1660 Ti has 2 GB more VRAM.

Memory Bandwidthhelp

GeForce GTX 1660 Ti moves data 80% faster.

TDPhelp

Radeon R9 M390X draws 45W less power.

GDDR6
Memory Typehelp
GDDR5
192-bit
Memory Bushelp
256-bit
GeForce 16
Generationhelp
Gem System (R9 M300)
Desktop
Segmenthelp
Mobile
-
Power Connectorshelp
-
-
Outputshelp
-

Frequently Asked Questions

compare_arrowsWhich is better, GeForce GTX 1660 Ti or Radeon R9 M390X?expand_more
The GeForce GTX 1660 Ti. It's 63% faster than the Radeon R9 M390X on average across 100+ games, scoring 13/100 vs 8/100 in our gaming rating.
speedHow much faster is GeForce GTX 1660 Ti than Radeon R9 M390X?expand_more
63% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.
aspect_ratioWhich is better for 1440p and 4K gaming, GeForce GTX 1660 Ti or Radeon R9 M390X?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 GeForce GTX 1660 Ti and Radeon R9 M390X?expand_more
Performance: GeForce GTX 1660 Ti scores 13/100, Radeon R9 M390X scores 8/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the GeForce GTX 1660 Ti or Radeon R9 M390X 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 GeForce GTX 1660 Ti or Radeon R9 M390X?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 GeForce GTX 1660 Ti and Radeon R9 M390X?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.

Popular Comparisons

Why Is My PC Slow?

Join thousands of gamers already benchmarking their rigs.

Download HowManyFPS

Windows 10/11, under 50 MB, always free

Spot BottlenecksBoost FPS100+ Games