ASUS - ROG Astral RTX 5080 OC vs NVIDIA - GeForce RTX 5070
Between the ROG Astral RTX 5080 OC and GeForce RTX 5070, the ROG Astral RTX 5080 OC comes out ahead in 3dmark time spy and cuda / stream cores, while the GeForce RTX 5070 wins on tdp. Overall, the ROG Astral RTX 5080 OC scores 78.7 and the GeForce RTX 5070 scores 62.3 on our Mars Score.
Which should you buy?
The ROG Astral RTX 5080 OC is the clear pick on raw spec strength, leading by 16.4 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 3dmark time spy, cuda / stream cores, ray tracing cores, among others.
Pick the GeForce RTX 5070 if you care most about tdp. Its strongest claims are tdp.
Both ship with comparable dlss, 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
- ▲3DMark Time Spy — 93.45% more. 32500 vs 16800.
- ▲CUDA / Stream cores — 75.00% more. 10752 vs 6144.
- ▲Ray tracing cores — 75.00% more. 84 vs 48.
- ▲VRAM — 33.33% more. 16 GB vs 12 GB.
- ▲Memory bus — 33.33% more. 256 bit vs 192 bit.
- ▲Boost clock — 5.69% more. 2655 MHz vs 2512 MHz.
Why NVIDIA - GeForce RTX 5070 wins
- ▲TDP — 110.00 W less. 250 vs 360.
Spec comparison
Core
| Spec | ASUS - ROG Astral RTX 5080 OC | NVIDIA - GeForce RTX 5070 |
|---|---|---|
| Chipset | GB203 | GB205 |
| Base clockⓘ | 2295 MHz | 2325 MHzlead |
| Boost clockⓘ | 2655 MHzlead | 2512 MHz |
| CUDA / Stream coresⓘ | 10752lead | 6144 |
| Ray tracing coresⓘ | 84lead | 48 |
Memory
| Spec | ASUS - ROG Astral RTX 5080 OC | NVIDIA - GeForce RTX 5070 |
|---|---|---|
| VRAMⓘ | 16 GBlead | 12 GB |
| VRAM typeⓘ | GDDR7 | GDDR7 |
| Memory busⓘ | 256 bitlead | 192 bit |
Power & Form
| Spec | ASUS - ROG Astral RTX 5080 OC | NVIDIA - GeForce RTX 5070 |
|---|---|---|
| TDPⓘ | 360 W | 250 Wlead |
| Recommended PSUⓘ | 850 W | 650 Wlead |
| Length | 357 mm | 267 mmlead |
| Slot size | 3.5-slot | 2-slot |
Benchmarks
| Spec | ASUS - ROG Astral RTX 5080 OC | NVIDIA - GeForce RTX 5070 |
|---|---|---|
| 3DMark Time Spyⓘ | 32500lead | 16800 |
| DLSSⓘ | true | true |
| FSRⓘ | false | false |
Frequently asked
Which has more VRAM, ROG Astral RTX 5080 OC or GeForce RTX 5070?+
ROG Astral RTX 5080 OC ships with 16GB GDDR7 vs 12GB.
Which scores higher in 3DMark Time Spy, ROG Astral RTX 5080 OC or GeForce RTX 5070?+
ROG Astral RTX 5080 OC scores 32500 vs 16800.
Which draws less power, ROG Astral RTX 5080 OC or GeForce RTX 5070?+
GeForce RTX 5070 draws 250W TDP vs 360W.
Spec-level deep dives
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