Head-to-head used GPU value

GeForce RTX 4090 vs L40S

GeForce RTX 4090 AD102 | GDDR6X | 24 GB currently offers better used performance per dollar. L40S AD102 | GDDR6 | 48 GB is about 11% faster in the tracked relative score.

Prices updated Aug 12, 2026
Used price differenceL40S AD102 | GDDR6 | 48 GB is 179.6% higher
Performance differenceL40S AD102 | GDDR6 | 48 GB is 11% higher
Value differenceL40S AD102 | GDDR6 | 48 GB is 60.3% lower

Which GPU Should You Buy?

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

Best Used-Market Value

GeForce RTX 4090 AD102 | GDDR6X | 24 GB has the stronger tracked performance-per-dollar score at current used prices. GeForce RTX 4090 AD102 | GDDR6X | 24 GB is about $4,240 cheaper.

VRAM And Longevity

L40S AD102 | GDDR6 | 48 GB includes 24 GB more VRAM. That can matter at higher texture settings, although capacity alone does not make a card faster.

Power And Upgrade Fit

L40S AD102 | GDDR6 | 48 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 RTX 4090 AD102 | GDDR6X | 24 GBL40S AD102 | GDDR6 | 48 GB
Current used price$2,360$6,600
Current new price$943.11$1,559
Relative performance6673
3DMark Time Spy39,437-
Performance per used dollar0.0280.011
VRAM24 GB48 GB
Board power450 W300 W
ArchitectureAda LovelaceAda Lovelace
Release year20222022
Qualified sales115
Full valuation

GeForce RTX 4090 AD102 | GDDR6X | 24 GB

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

Full valuation

L40S AD102 | GDDR6 | 48 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.