Arc B580 12GB vs RTX 3070 8GB
The Arc B580 12GB is about 8% faster at 1440p, and the RTX 3070 8GB costs about $69 less right now. For the money, the RTX 3070 8GB is the better buy.
Graphics card · faster
Arc B580 12GB
$394
cheapest new: Intel Limited Edition at Umart · used about $260
- Video memory
- 12 GB
- Power
- 190 W
- Recommended power supply
- 600 W
- Power connector
- 8-pin
- Card length
- 270–284 mm
- Released
- 2024
Models: Intel Limited Edition, ASRock Challenger OC, Sparkle Titan OC
Graphics card · better value
GeForce RTX 3070 8GB
—
No new stock · used about $325
- Video memory
- 8 GB
- Power
- 220 W
- Recommended power supply
- 650 W
- Power connector
- 8-pin
- Card length
- 267–323 mm
- Released
- 2020
Models: ASUS Dual, Gigabyte Eagle OC, MSI Gaming X Trio
Average frame rates
Estimated across demanding games at High settings, each tested with a Ryzen 7 9800X3D and 32 GB of DDR5-6000.
Cost per frame at 1440p: Arc B580 12GB $7 · RTX 3070 8GB $6
Game by game at 1440p
| Game | Arc B580 12GB | RTX 3070 8GB | Difference |
|---|---|---|---|
| Cyberpunk 2077 | 34 | 25 | Arc B580 12GB +36% |
| Black Myth: Wukong | 29 | 21 | Arc B580 12GB +38% |
| Fortnite | 80 | 80 | about the same |
| Counter-Strike 2 | 172 | 172 | about the same |
| Call of Duty: Black Ops 7 | 63 | 54 | Arc B580 12GB +17% |
| Baldur’s Gate 3 | 52 | 45 | Arc B580 12GB +16% |
Which graphics card should you buy?
- Better value: the RTX 3070 8GB costs less per frame ($6 vs $7 per fps at 1440p).
- The Arc B580 12GB has more video memory (12 GB vs 8 GB), which matters for 1440p and 4K with high textures — 8 GB is already tight in some new games.
- The RTX 3070 8GB is no longer sold new — it’s a second-hand buy at around $325.
Check either card with your processor in the bottleneck checker, or try it in a full build in the builder.
Related comparisons
Frame rates are Rigsmith estimates from its performance indices, not measured benchmarks. Prices are the cheapest in-stock new price at Australian stores as of 12/11/2026, including GST.