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Arc B580 12GB vs RX 6700 XT 12GB

The RX 6700 XT 12GB is about 5% faster at 1440p, and the RX 6700 XT 12GB costs about $65 less right now. For the money, the RX 6700 XT 12GB is the better buy.

Graphics card

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 · faster · better value

Radeon RX 6700 XT 12GB

—
No new stock · used about $329
Video memory
12 GB
Power
230 W
Recommended power supply
650 W
Power connector
8-pin
Card length
267–313 mm
Released
2021

Models: Sapphire Pulse, XFX Swft 309

Average frame rates

Estimated across demanding games at High settings, each tested with a Ryzen 7 9800X3D and 32 GB of DDR5-6000.

1080p
Arc B580 12GB 80 fps
RX 6700 XT 12GB 83 fps
1440p
Arc B580 12GB 57 fps
RX 6700 XT 12GB 60 fps
4K
Arc B580 12GB 31 fps
RX 6700 XT 12GB 32 fps

Cost per frame at 1440p: Arc B580 12GB $7 · RX 6700 XT 12GB $5

Game by game at 1440p

GameArc B580 12GBRX 6700 XT 12GBDifference
Cyberpunk 20773436RX 6700 XT 12GB +6%
Black Myth: Wukong2930RX 6700 XT 12GB +3%
Fortnite8084RX 6700 XT 12GB +5%
Counter-Strike 2172179RX 6700 XT 12GB +4%
Call of Duty: Black Ops 76366RX 6700 XT 12GB +5%
Baldur’s Gate 35254RX 6700 XT 12GB +4%

Which graphics card should you buy?

  • Better value: the RX 6700 XT 12GB costs less per frame ($5 vs $7 per fps at 1440p).
  • The Arc B580 12GB uses about 40 W less, so it runs cooler and quieter and can get by with a smaller power supply.
  • The RX 6700 XT 12GB is no longer sold new — it’s a second-hand buy at around $329.

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.