RTX 4080 vs RX 7900 XTX
Which GPU is the better buy in 2026? Live Amazon prices updated daily.
Our pick: RTX 4080 — best Value Score at current prices.
Specs & Benchmarks
| Spec | RTX 4080 | RX 7900 XTX |
|---|---|---|
| Brand | NVIDIA | AMD |
| VRAM | 16 GB | 24 GB |
| FP32 TFLOPS | 97 | 96 |
| 3DMark TimeSpy | 24,000 | 22,000 |
| Performance Index | 64.3 | 60.2 |
| Current Price | $882.68 | $1,099.99 |
| Value Score | 73 | 55 |
| Categories | Gaming AI | Gaming AI Rendering |
Which GPU Should You Buy?
The RTX 4080 wins on value with a Value Score of 73 vs 55. That means more performance per dollar at current Amazon prices.
Prices change daily — always verify on Amazon before purchasing.
Current Amazon Prices
How We Score GPUs
Each GPU shows a Value score (0–100) — performance per dollar, scaled so the best deals reach 100.
Value score (0–100) = performance per dollar × 10.
RTX 4090 reference price ~$1,700 → score 59. A used RTX 3070 Ti at $339 → score ~100.
Excellent ≥ 90 · Good 75–89 · Fair 60–74 · Poor < 60.
Performance Index = 0.70 × (3DMark TimeSpy ÷ 360) + 0.30 × (FP32 TFLOPS ÷ 1.65). Prices from Amazon US, updated daily.
Frequently Asked Questions
Which is faster, the RTX 4080 or the RX 7900 XTX?
The RTX 4080 is faster with a Performance Index of 64.3 versus 60.2 for the RX 7900 XTX — approximately 7% more raw performance. Performance Index = 0.70 × (TimeSpy ÷ 360) + 0.30 × (FP32 TFLOPS ÷ 1.65).
Which is better value, the RTX 4080 or the RX 7900 XTX?
Based on current Amazon prices, the RTX 4080 offers better value with a Value Score of 73 versus 55. Value Score (0–100) = performance per dollar × 10, capped at 100.
Should I buy the RTX 4080 or the RX 7900 XTX?
If price-to-performance is your priority, the RTX 4080 is the better buy based on current Amazon prices. Always check both listings before purchasing as prices change daily.
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