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ASUS - ROG Astral RTX 5090 OC vs NVIDIA - GeForce RTX 5070 Ti

Last updated · How Mars Score works
ROG Astral RTX 5090 OCASUSILLUSTRATION
Probe A
ASUS
ROG Astral RTX 5090 OC
86.5/ 100A
Benchmarks95· 40%
Core84· 30%
Memory95· 20%
Power & Form35· 10%
GeForce RTX 5070 TiNVIDIAILLUSTRATION
Probe B
NVIDIA
GeForce RTX 5070 Ti
68.1/ 100B
Benchmarks70· 40%
Core66· 30%
Memory64· 20%
Power & Form72· 10%
The fork

Where they actually differ

The most decisive specs, ranked by how much they matter — before the full spec table.

SpecASUS - ROG Astral RTX 5090 OCNVIDIA - GeForce RTX 5070 Ti
TDP600 W300 W
CUDA / Stream cores217608960
Ray tracing cores17070
3DMark Time Spy4400020100
VRAM32 GB16 GB
Memory bus512 bit256 bit
Quick verdict

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 / ray tracing cores, while the GeForce RTX 5070 Ti wins on tdp. Overall, the ROG Astral RTX 5090 OC scores 86.5 and the GeForce RTX 5070 Ti scores 68.1 on our Mars Score.

Buying advice

Which should you buy?

The ROG Astral RTX 5090 OC is the clear pick on raw spec strength, leading by 18.4 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 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. The single most decisive one: CUDA / Stream cores — 142.86% more. 21760 vs 8960.

Pick the GeForce RTX 5070 Ti if you care most about tdp. Its strongest claims are tdp. The single most decisive one: TDP — 300.00 W less. 300 vs 600.

Both ship with comparable dlss, so those specs do not 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.

Decision guide

Which should you buy: ASUS - ROG Astral RTX 5090 OC or NVIDIA - GeForce RTX 5070 Ti?

ASUS - ROG Astral RTX 5090 OC leads the current Mars Score by 18.4 points.The more useful decision is the trade-off behind that result: compare vram, cuda / stream cores, boost clock, tdp against the way you will actually use the product.

Choose ASUS - ROG Astral RTX 5090 OC if…

ASUS - ROG Astral RTX 5090 OC has the measurable edge on cuda cores, ray tracing cores, timespy score.

Choose NVIDIA - GeForce RTX 5070 Ti if…

NVIDIA - GeForce RTX 5070 Ti has the measurable edge on tdp w.

This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.

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.
Full readout

Spec comparison

Core

SpecASUS - ROG Astral RTX 5090 OCNVIDIA - GeForce RTX 5070 Ti
ChipsetGB202GB203
Base clockⓘ2017 MHz2295 MHzlead
Boost clockⓘ2655 MHzlead2452 MHz
CUDA / Stream coresⓘ21760lead8960
Ray tracing coresⓘ170lead70

Memory

SpecASUS - ROG Astral RTX 5090 OCNVIDIA - GeForce RTX 5070 Ti
VRAMⓘ32 GBlead16 GB
VRAM typeⓘGDDR7GDDR7
Memory busⓘ512 bitlead256 bit

Power & Form

SpecASUS - ROG Astral RTX 5090 OCNVIDIA - GeForce RTX 5070 Ti
TDPⓘ600 W300 Wlead
Recommended PSUⓘ1200 W750 Wlead
Length357 mm267 mmlead
Slot size4-slot2-slot

Benchmarks

SpecASUS - ROG Astral RTX 5090 OCNVIDIA - GeForce RTX 5070 Ti
3DMark Time Spyⓘ44000lead20100
DLSSⓘtruetrue
FSRⓘfalsefalse
Reader questions

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.

Drill down

Spec-level deep dives

By manufacturer

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