RTX 3090 24GB vs RX 7800 XT 16GB
The RX 7800 XT 16GB is about 7% faster at 1440p, and the RX 7800 XT 16GB costs about $652 less right now. For the money, the RX 7800 XT 16GB is the better buy.
Graphics card
GeForce RTX 3090 24GB
—
No new stock · used about $1,406
- Video memory
- 24 GB
- Power
- 350 W
- Recommended power supply
- 750 W
- Power connector
- 8-pin
- Card length
- 300–323 mm
- Released
- 2020
Models: ASUS TUF Gaming OC, MSI Gaming X Trio, EVGA FTW3 Ultra
Graphics card · faster · better value
Radeon RX 7800 XT 16GB
$754
cheapest new: Sapphire Pulse at Scorptec · used about $525
- Video memory
- 16 GB
- Power
- 263 W
- Recommended power supply
- 700 W
- Power connector
- 8-pin
- Card length
- 280–322 mm
- Released
- 2023
Models: Sapphire Pulse, PowerColor Hellhound
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: RTX 3090 24GB $17 · RX 7800 XT 16GB $8
Game by game at 1440p
| Game | RTX 3090 24GB | RX 7800 XT 16GB | Difference |
|---|---|---|---|
| Cyberpunk 2077 | 50 | 54 | RX 7800 XT 16GB +8% |
| Black Myth: Wukong | 42 | 45 | RX 7800 XT 16GB +7% |
| Fortnite | 117 | 125 | RX 7800 XT 16GB +7% |
| Counter-Strike 2 | 251 | 268 | RX 7800 XT 16GB +7% |
| Call of Duty: Black Ops 7 | 92 | 99 | RX 7800 XT 16GB +8% |
| Baldur’s Gate 3 | 75 | 81 | RX 7800 XT 16GB +8% |
Which graphics card should you buy?
- Better value: the RX 7800 XT 16GB costs less per frame ($8 vs $17 per fps at 1440p).
- The RTX 3090 24GB has more video memory (24 GB vs 16 GB), which matters for 1440p and 4K with high textures.
- The RX 7800 XT 16GB uses about 87 W less, so it runs cooler and quieter and can get by with a smaller power supply.
- The RTX 3090 24GB is no longer sold new — it’s a second-hand buy at around $1,406.
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.