Arc B580 vs RX 6800
Which GPU is the better buy in 2026? Live Amazon prices updated daily.
Our pick: RX 6800 — best Value Score at current prices.
Specs & Benchmarks
| Spec | Arc B580 | RX 6800 |
|---|---|---|
| Brand | Intel | AMD |
| VRAM | 12 GB | 16 GB |
| FP32 TFLOPS | 14 | 16.2 |
| 3DMark TimeSpy | 12,000 | 14,500 |
| Performance Index | 25.9 | 31.1 |
| Current Price | — | $359.99 |
| Value Score | — | 87 |
| Categories | Gaming AI | Gaming AI |
Which GPU Should You Buy?
The RX 6800 has a higher Performance Index (31.1) but price data is unavailable for a full value comparison.
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 Arc B580 or the RX 6800?
The RX 6800 is faster with a Performance Index of 31.1 versus 25.9 for the Arc B580 — approximately 20% more raw performance. Performance Index = 0.70 × (TimeSpy ÷ 360) + 0.30 × (FP32 TFLOPS ÷ 1.65).
Should I buy the Arc B580 or the RX 6800?
If price-to-performance is your priority, the RX 6800 is the better buy based on current Amazon prices. Always check both listings before purchasing as prices change daily.
More Tools
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