ASUS - ROG Astral RTX 5080 OC vs AMD - Radeon RX 9070 XT
Between the ROG Astral RTX 5080 OC and Radeon RX 9070 XT, the ROG Astral RTX 5080 OC comes out ahead in cuda / stream cores and 3dmark time spy, while the Radeon RX 9070 XT wins on tdp and boost clock. Overall, the ROG Astral RTX 5080 OC scores 78.7 and the Radeon RX 9070 XT scores 67.3 on our Mars Score.
Which should you buy?
The ROG Astral RTX 5080 OC is the clear pick on raw spec strength, leading by 11.4 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the ROG Astral RTX 5080 OC if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are cuda / stream cores, 3dmark time spy, ray tracing cores, among others.
Pick the Radeon RX 9070 XT if you care most about tdp and boost clock. Its strongest claims are tdp, boost clock.
Both ship with comparable vram, memory bus, so those specs don't separate the two — focus on the differences below.
Bottom line: the ROG Astral RTX 5080 OC is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why ASUS - ROG Astral RTX 5080 OC wins
- ▲CUDA / Stream cores — 162.50% more. 10752 vs 4096.
- ▲3DMark Time Spy — 69.27% more. 32500 vs 19200.
- ▲Ray tracing cores — 31.25% more. 84 vs 64.
- ▲Has DLSS.
Why AMD - Radeon RX 9070 XT wins
- ▲TDP — 56.00 W less. 304 vs 360.
- ▲Boost clock — 11.86% more. 2970 MHz vs 2655 MHz.
Spec comparison
Core
| Spec | ASUS - ROG Astral RTX 5080 OC | AMD - Radeon RX 9070 XT |
|---|---|---|
| Chipset | GB203 | Navi 48 |
| Base clockⓘ | 2295 MHz | 2400 MHzlead |
| Boost clockⓘ | 2655 MHz | 2970 MHzlead |
| CUDA / Stream coresⓘ | 10752lead | 4096 |
| Ray tracing coresⓘ | 84lead | 64 |
Memory
| Spec | ASUS - ROG Astral RTX 5080 OC | AMD - Radeon RX 9070 XT |
|---|---|---|
| VRAMⓘ | 16 GB | 16 GB |
| VRAM typeⓘ | GDDR7lead | GDDR6 |
| Memory busⓘ | 256 bit | 256 bit |
Power & Form
| Spec | ASUS - ROG Astral RTX 5080 OC | AMD - Radeon RX 9070 XT |
|---|---|---|
| TDPⓘ | 360 W | 304 Wlead |
| Recommended PSUⓘ | 850 W | 750 Wlead |
| Length | 357 mm | 287 mmlead |
| Slot size | 3.5-slot | 2.5-slot |
Benchmarks
| Spec | ASUS - ROG Astral RTX 5080 OC | AMD - Radeon RX 9070 XT |
|---|---|---|
| 3DMark Time Spyⓘ | 32500lead | 19200 |
| DLSSⓘ | truelead | false |
| FSRⓘ | false | truelead |
Frequently asked
Which has more VRAM, ROG Astral RTX 5080 OC or Radeon RX 9070 XT?+
Radeon RX 9070 XT ships with 16GB GDDR6 vs 16GB.
Which scores higher in 3DMark Time Spy, ROG Astral RTX 5080 OC or Radeon RX 9070 XT?+
ROG Astral RTX 5080 OC scores 32500 vs 19200.
Which draws less power, ROG Astral RTX 5080 OC or Radeon RX 9070 XT?+
Radeon RX 9070 XT draws 304W TDP vs 360W.
Spec-level deep dives
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