ASUSReleased 2025

ASUS ROG Astral RTX 5080 OC

The flagship-of-flagships from ASUS, with a quad-fan cooler, vapor chamber, and aggressive factory overclock sat on top of Nvidia's current 4K powerhouse.

92/100
Outstanding
Overall score · how we rate
16GB GDDR7DLSS 4 with multi-frame genQuad-fan cooler3.8-slot beastFactory overclocked
£1,419best price at Amazon
In stock at 1 retailer

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Why we rate it

  • One of the strongest 5080 coolers around
  • DLSS 4 with multi-frame generation
  • Aggressive factory overclock
  • Premium build quality
  • 3.8-slot, four-fan monster
  • Eye-watering price premium
Score profile

Where the ASUS ROG Astral RTX 5080 OC wins and loses

Scored against the graphics cards class
4KRayPowerCooling95957596
4K rasterisation
95
Ray tracing
95
Power efficiency
75
Cooling headroom
96
Full specification

Specifications

Grouped · supported features marked in blue

General info

ArchitectureBlackwell
GPU chipGB203
Process4 nm
Release year2025
DLSS version4
Ray tracing generation4

Memory

VRAM16 GB
Memory typeGDDR7
Memory bus width256
Memory speed30
Memory bandwidth960

Compute units

CUDA cores / Stream processors10752
Ray tracing cores84
Tensor cores / AI accelerators336
Base clock2295 MHz
Boost clock2617 MHz
AI performance1899

Interface

PCIe version5

Power

TDP / TGP360 W
PSU recommendation850 W
Power connectors1

Design and cooling

Slot width3.8
Fan count4
RGB lightingYes
BackplateYes
Factory overclockedYes

Display outputs

HDMI1
HDMI version2.1
DisplayPort3
DisplayPort version2.1

Watch it in action

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Who it's for

Is the ASUS ROG Astral RTX 5080 OC right for you?

Buy it if
4K enthusiasts chasing the best partner card

If you're building a no-compromise 4K gaming PC, you have the case and PSU to support it, and you want the quietest, coolest 5080 partner card available, this is the one. Cooling and build feel a tier above the rest.

Skip it if
Value-conscious buyers or compact builds

If you mainly want the 5080 chip and don't need the flagship cooler, cheaper 5080 partner cards deliver essentially the same gaming performance. And this card simply won't fit in a small case.

No-compromise 4K builder
Building a flagship-tier gaming PC and wants the best partner cooler on a 5080. Has the case, PSU, and budget to back it up.
excellent
Overclocking enthusiast
Wants to push the chip past stock with manual tuning. The robust VRM, vapor chamber, and quad-fan cooler give plenty of thermal headroom for serious overclocking.
good
Quiet-PC builder
Cares about acoustics as much as raw performance. The massive cooler runs quieter than smaller 5080 partner cards under sustained load, though it's still audible in a silent room.
good
Value-focused 4K gamer
Plays at 4K but doesn't want to pay a premium for marginal performance gains. A standard 5080 partner card delivers nearly identical frame rates for significantly less money.
skip
Common questions

Before you buy

Is the ASUS ROG Astral RTX 5080 worth the premium?

Only if you specifically want the best partner cooler, the robust build quality, and the OC headroom. Cheaper 5080 partner cards deliver near-identical gaming performance for hundreds of pounds less.

What PSU do I need for the ROG Astral 5080?

Nvidia recommends 850W and that's the realistic floor. With a Core i9 or Ryzen 9 CPU and any manual overclocking, step up to a quality 1000W or 1200W unit for transient spike headroom.

Will the ROG Astral RTX 5080 fit my case?

This is a 3.8-slot, quad-fan card, one of the biggest on the market. You need a full-size mid-tower or full-tower with plenty of length clearance and at least four slots free. ITX and most mATX are out.

Is the 5080 enough for 4K gaming with ray tracing?

Yes, comfortably. With DLSS 4 multi-frame generation enabled it handles even heavy path-traced titles at 4K with strong frame rates. Native 4K ultra with full path tracing is the only scenario that stretches it.