Rigsmith

All comparisons /

RX 7900 XT 20GB vs RX 9070 16GB

The RX 7900 XT 20GB is about 4% faster at 1440p, and the RX 7900 XT 20GB costs about $210 less right now. For the money, the RX 7900 XT 20GB is the better buy.

Graphics card · faster · better value

Radeon RX 7900 XT 20GB

—
No new stock · used about $659
Video memory
20 GB
Power
315 W
Recommended power supply
750 W
Power connector
8-pin
Card length
313–344 mm
Released
2022

Models: Sapphire Pulse, XFX Merc 310

Graphics card

Radeon RX 9070 16GB

$869
cheapest new: PowerColor Reaper at Amazon AU · used about $625
Video memory
16 GB
Power
220 W
Recommended power supply
650 W
Power connector
8-pin
Card length
304–330 mm
Released
2025

Models: PowerColor Reaper, Sapphire Pulse, XFX Swift OC, ASUS Prime OC

Average frame rates

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

1080p
RX 7900 XT 20GB 156 fps
RX 9070 16GB 151 fps
1440p
RX 7900 XT 20GB 117 fps
RX 9070 16GB 112 fps
4K
RX 7900 XT 20GB 66 fps
RX 9070 16GB 64 fps

Cost per frame at 1440p: RX 7900 XT 20GB $6 · RX 9070 16GB $8

Game by game at 1440p

GameRX 7900 XT 20GBRX 9070 16GBDifference
Cyberpunk 20777068RX 7900 XT 20GB +3%
Black Myth: Wukong5956RX 7900 XT 20GB +5%
Fortnite163157RX 7900 XT 20GB +4%
Counter-Strike 2347334RX 7900 XT 20GB +4%
Call of Duty: Black Ops 7128123RX 7900 XT 20GB +4%
Baldur’s Gate 3104100RX 7900 XT 20GB +4%

Which graphics card should you buy?

  • Better value: the RX 7900 XT 20GB costs less per frame ($6 vs $8 per fps at 1440p).
  • The RX 7900 XT 20GB has more video memory (20 GB vs 16 GB), which matters for 1440p and 4K with high textures.
  • The RX 9070 16GB uses about 95 W less, so it runs cooler and quieter and can get by with a smaller power supply.

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.