Head-to-head used GPU value

GeForce GTX 1660 SUPER vs Radeon R9 390

Radeon R9 390 Grenada | GDDR5 | 8 GB currently offers better used performance per dollar. Radeon R9 390 Grenada | GDDR5 | 8 GB is about 2.5% faster in the tracked relative score.

Prices updated Sep 6, 2026
Used price differenceRadeon R9 390 Grenada | GDDR5 | 8 GB is 47.6% lower
Performance differenceRadeon R9 390 Grenada | GDDR5 | 8 GB is 2.5% higher
Value differenceRadeon R9 390 Grenada | GDDR5 | 8 GB is 95.7% higher

Which GPU Should You Buy?

Current market, memory, and power differences that can change the better choice.

Best Used-Market Value

Radeon R9 390 Grenada | GDDR5 | 8 GB has the stronger tracked performance-per-dollar score at current used prices. Radeon R9 390 Grenada | GDDR5 | 8 GB is about $54.21 cheaper.

VRAM And Longevity

Radeon R9 390 Grenada | GDDR5 | 8 GB includes 2 GB more VRAM. That can matter at higher texture settings, although capacity alone does not make a card faster.

Power And Upgrade Fit

GeForce GTX 1660 SUPER TU116 | GDDR6 | 6 GB uses about 150 W less board power on the tracked specifications, which can reduce PSU and cooling requirements.

Price, Performance And Specification Comparison

Used price uses the latest median, then the 25th percentile or minimum as fallback.

MetricGeForce GTX 1660 SUPER TU116 | GDDR6 | 6 GBRadeon R9 390 Grenada | GDDR5 | 8 GB
Current used price$113.86$59.65
Current new price$176.99$300
Relative performance44
3DMark Time Spy7,2954,693
Performance per used dollar0.0350.069
VRAM6 GB8 GB
Board power125 W275 W
ArchitectureTuringGCN 2.0
Release year20192015
Qualified sales266
Full valuation

GeForce GTX 1660 SUPER TU116 | GDDR6 | 6 GB

Open price history, fair value range, confidence, and complete specifications.

Full valuation

Radeon R9 390 Grenada | GDDR5 | 8 GB

Open price history, fair value range, confidence, and complete specifications.

Build-level estimate

PC Value Calculator

Estimate what a complete gaming PC containing either card may be worth.