Head-to-head used GPU value

Radeon RX 640 OEM vs GeForce GTX 950

GeForce GTX 950 GM206 | GDDR5 | 2 GB currently offers better used performance per dollar. GeForce GTX 950 GM206 | GDDR5 | 2 GB is about 7.7% faster in the tracked relative score.

Prices updated Sep 2, 2026
Used price differenceGeForce GTX 950 GM206 | GDDR5 | 2 GB is 25.6% lower
Performance differenceGeForce GTX 950 GM206 | GDDR5 | 2 GB is 7.7% higher
Value differenceGeForce GTX 950 GM206 | GDDR5 | 2 GB is 44.8% higher

Which GPU Should You Buy?

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

Best Used-Market Value

GeForce GTX 950 GM206 | GDDR5 | 2 GB has the stronger tracked performance-per-dollar score at current used prices. GeForce GTX 950 GM206 | GDDR5 | 2 GB is about $11.4 cheaper.

VRAM And Longevity

Radeon RX 640 OEM Polaris 23 | GDDR5 | 4 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

Radeon RX 640 OEM Polaris 23 | GDDR5 | 4 GB uses about 40 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.

MetricRadeon RX 640 OEM Polaris 23 | GDDR5 | 4 GBGeForce GTX 950 GM206 | GDDR5 | 2 GB
Current used price$44.45$33.05
Current new price-$170
Relative performance11
3DMark Time Spy-2,394
Performance per used dollar0.0290.042
VRAM4 GB2 GB
Board power50 W90 W
ArchitectureGCN 4.0Maxwell 2.0
Release year20202015
Qualified sales512
Full valuation

Radeon RX 640 OEM Polaris 23 | GDDR5 | 4 GB

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

Full valuation

GeForce GTX 950 GM206 | GDDR5 | 2 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.