Head-to-head used GPU value

Radeon R9 380 vs Radeon RX 6400

Radeon R9 380 Antigua | GDDR5 | 2 GB currently offers better used performance per dollar. Performance is effectively tied in the tracked relative score.

Prices updated Oct 26, 2026
Used price differenceRadeon RX 6400 Navi 24 | GDDR6 | 4 GB is 305.1% higher
Performance differenceEffectively tied
Value differenceRadeon RX 6400 Navi 24 | GDDR6 | 4 GB is 75.3% lower

Which GPU Should You Buy?

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

Best Used-Market Value

Radeon R9 380 Antigua | GDDR5 | 2 GB has the stronger tracked performance-per-dollar score at current used prices. Radeon R9 380 Antigua | GDDR5 | 2 GB is about $122.01 cheaper.

VRAM And Longevity

Radeon RX 6400 Navi 24 | GDDR6 | 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 6400 Navi 24 | GDDR6 | 4 GB uses about 137 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 R9 380 Antigua | GDDR5 | 2 GBRadeon RX 6400 Navi 24 | GDDR6 | 4 GB
Current used price$39.99$162
Current new price$85$221.87
Relative performance33
3DMark Time Spy3,265-
Performance per used dollar0.070.017
VRAM2 GB4 GB
Board power190 W53 W
ArchitectureGCN 3.0RDNA 2.0
Release year20152022
Qualified sales527
Full valuation

Radeon R9 380 Antigua | GDDR5 | 2 GB

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

Full valuation

Radeon RX 6400 Navi 24 | GDDR6 | 4 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.