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ASUS - ROG Astral RTX 5080 OC vs AMD - Radeon RX 9070

Last updated · How Mars Score works
ROG Astral RTX 5080 OCASUSILLUSTRATION
Probe A
ASUS
ROG Astral RTX 5080 OC
77.5/ 100B
Benchmarks91· 40%
Core71· 30%
Memory64· 20%
Power & Form66· 10%
Radeon RX 9070AMDILLUSTRATION
Probe B
AMD
Radeon RX 9070
64.9/ 100C
Benchmarks64· 40%
Core61· 30%
Memory64· 20%
Power & Form81· 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 5080 OCAMD - Radeon RX 9070
CUDA / Stream cores107523584
TDP360 W220 W
3DMark Time Spy3250016800
Ray tracing cores8456
Boost clock2655 MHz2520 MHz
DLSStruefalse
Quick verdict

Between the ROG Astral RTX 5080 OC and Radeon RX 9070, the ROG Astral RTX 5080 OC comes out ahead in cuda / stream cores / 3dmark time spy, while the Radeon RX 9070 wins on tdp. Overall, the ROG Astral RTX 5080 OC scores 77.5 and the Radeon RX 9070 scores 64.9 on our Mars Score.

Buying advice

Which should you buy?

The ROG Astral RTX 5080 OC is the clear pick on raw spec strength, leading by 12.6 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. The single most decisive one: CUDA / Stream cores — 200.00% more. 10752 vs 3584.

Pick the Radeon RX 9070 if you care most about tdp. Its strongest claims are tdp. The single most decisive one: TDP — 140.00 W less. 220 vs 360.

Both ship with comparable vram, memory bus, so those specs do not 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.

Decision guide

Which should you buy: ASUS - ROG Astral RTX 5080 OC or AMD - Radeon RX 9070?

ASUS - ROG Astral RTX 5080 OC leads the current Mars Score by 12.6 points.The more useful decision is the trade-off behind that result: compare cuda / stream cores, boost clock, tdp against the way you will actually use the product.

Choose ASUS - ROG Astral RTX 5080 OC if…

ASUS - ROG Astral RTX 5080 OC has the measurable edge on cuda cores, timespy score, ray tracing cores.

Choose AMD - Radeon RX 9070 if…

AMD - Radeon RX 9070 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 5080 OC wins

  • ▲CUDA / Stream cores — 200.00% more. 10752 vs 3584.
  • ▲3DMark Time Spy — 93.45% more. 32500 vs 16800.
  • ▲Ray tracing cores — 50.00% more. 84 vs 56.
  • ▲Boost clock — 5.36% more. 2655 MHz vs 2520 MHz.
  • ▲Has DLSS.

Why AMD - Radeon RX 9070 wins

  • ▲TDP — 140.00 W less. 220 vs 360.
Full readout

Spec comparison

Core

SpecASUS - ROG Astral RTX 5080 OCAMD - Radeon RX 9070
ChipsetGB203Navi 48
Base clockⓘ2295 MHzlead2070 MHz
Boost clockⓘ2655 MHzlead2520 MHz
CUDA / Stream coresⓘ10752lead3584
Ray tracing coresⓘ84lead56

Memory

SpecASUS - ROG Astral RTX 5080 OCAMD - Radeon RX 9070
VRAMⓘ16 GB16 GB
VRAM typeⓘGDDR7leadGDDR6
Memory busⓘ256 bit256 bit

Power & Form

SpecASUS - ROG Astral RTX 5080 OCAMD - Radeon RX 9070
TDPⓘ360 W220 Wlead
Recommended PSUⓘ850 W650 Wlead
Length357 mm287 mmlead
Slot size3.5-slot2-slot

Benchmarks

SpecASUS - ROG Astral RTX 5080 OCAMD - Radeon RX 9070
3DMark Time Spyⓘ32500lead16800
DLSSⓘtrueleadfalse
FSRⓘfalsetruelead
Reader questions

Frequently asked

Which has more VRAM, ROG Astral RTX 5080 OC or Radeon RX 9070?+

Radeon RX 9070 ships with 16GB GDDR6 vs 16GB.

Which scores higher in 3DMark Time Spy, ROG Astral RTX 5080 OC or Radeon RX 9070?+

ROG Astral RTX 5080 OC scores 32500 vs 16800.

Which draws less power, ROG Astral RTX 5080 OC or Radeon RX 9070?+

Radeon RX 9070 draws 220W TDP vs 360W.

Drill down

Spec-level deep dives

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