ASUS - ROG Astral RTX 5090 OC vs NVIDIA - GeForce RTX 5070 Ti
Between the ROG Astral RTX 5090 OC and GeForce RTX 5070 Ti, the ROG Astral RTX 5090 OC comes out ahead in cuda / stream cores and ray tracing cores, while the GeForce RTX 5070 Ti wins on tdp. Overall, the ROG Astral RTX 5090 OC scores 91.4 and the GeForce RTX 5070 Ti scores 67.6 on our Mars Score.
Which should you buy?
The ROG Astral RTX 5090 OC is the clear pick on raw spec strength, leading by 23.8 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 5090 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, ray tracing cores, 3dmark time spy, among others.
Pick the GeForce RTX 5070 Ti 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 5090 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 5090 OC wins
- ▲CUDA / Stream cores — 142.86% more. 21760 vs 8960.
- ▲Ray tracing cores — 142.86% more. 170 vs 70.
- ▲3DMark Time Spy — 118.91% more. 44000 vs 20100.
- ▲VRAM — 100.00% more. 32 GB vs 16 GB.
- ▲Memory bus — 100.00% more. 512 bit vs 256 bit.
- ▲Boost clock — 8.28% more. 2655 MHz vs 2452 MHz.
Why NVIDIA - GeForce RTX 5070 Ti wins
- ▲TDP — 300.00 W less. 300 vs 600.
Spec comparison
Core
| Spec | ASUS - ROG Astral RTX 5090 OC | NVIDIA - GeForce RTX 5070 Ti |
|---|---|---|
| Chipset | GB202 | GB203 |
| Base clockⓘ | 2017 MHz | 2295 MHzlead |
| Boost clockⓘ | 2655 MHzlead | 2452 MHz |
| CUDA / Stream coresⓘ | 21760lead | 8960 |
| Ray tracing coresⓘ | 170lead | 70 |
Memory
| Spec | ASUS - ROG Astral RTX 5090 OC | NVIDIA - GeForce RTX 5070 Ti |
|---|---|---|
| VRAMⓘ | 32 GBlead | 16 GB |
| VRAM typeⓘ | GDDR7 | GDDR7 |
| Memory busⓘ | 512 bitlead | 256 bit |
Power & Form
| Spec | ASUS - ROG Astral RTX 5090 OC | NVIDIA - GeForce RTX 5070 Ti |
|---|---|---|
| TDPⓘ | 600 W | 300 Wlead |
| Recommended PSUⓘ | 1200 W | 750 Wlead |
| Length | 357 mm | 267 mmlead |
| Slot size | 4-slot | 2-slot |
Benchmarks
| Spec | ASUS - ROG Astral RTX 5090 OC | NVIDIA - GeForce RTX 5070 Ti |
|---|---|---|
| 3DMark Time Spyⓘ | 44000lead | 20100 |
| DLSSⓘ | true | true |
| FSRⓘ | false | false |
Frequently asked
Which has more VRAM, ROG Astral RTX 5090 OC or GeForce RTX 5070 Ti?+
ROG Astral RTX 5090 OC ships with 32GB GDDR7 vs 16GB.
Which scores higher in 3DMark Time Spy, ROG Astral RTX 5090 OC or GeForce RTX 5070 Ti?+
ROG Astral RTX 5090 OC scores 44000 vs 20100.
Which draws less power, ROG Astral RTX 5090 OC or GeForce RTX 5070 Ti?+
GeForce RTX 5070 Ti draws 300W TDP vs 600W.
Spec-level deep dives
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