ASUS

ASUS Prime GeForce RTX 5080 OC

Name: ASUS Prime GeForce RTX 5080 OC
Brand: ASUS
SKU: asus-prime-geforce-rtx-5080-oc
Price: 1011.99 GBP
Availability: InStock

ASUS's Prime take on the RTX 5080, with 16GB of GDDR7, DLSS 4 multi-frame generation, vapor chamber cooling, and a compact 2.5-slot SFF-ready design.

75/100

Very good

Overall score · how we rate

16GB GDDR7DLSS 4 with multi-frame genVapor chamber coolingSFF-ready 2.5-slot2685 MHz OC mode

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Why we rate it

Strong 4K performance with DLSS 4
DLSS 4 with multi-frame generation
SFF-ready compact design
Vapor chamber and Phase Change pad
360W TDP wants a real PSU
Premium pricing within tier

Score profile

Where the ASUS Prime GeForce RTX 5080 OC wins and loses

Scored against the graphics cards class

4K rasterisation

Ray tracing

Form factor

Value within tier

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 clock2685 MHz

AI performance1801

Interface

PCIe version5

Power

TDP / TGP360 W

PSU recommendation850 W

Power connectors1

Design and cooling

Slot width2.5

Zero-RPM idle modeYes

Dual BIOS switchYes

Factory overclockedYes

Display outputs

HDMI1

HDMI version2.1

DisplayPort3

DisplayPort version2.1

Watch it in action

Who it's for

Is the ASUS Prime GeForce RTX 5080 OC right for you?

Buy it if

Compact 4K build enthusiasts

If you want a current-gen 5080 with SFF-friendly compact design and capable vapor chamber cooling, the Prime variant hits the sweet spot of performance, form factor, and price. Genuinely usable in ITX builds.

Skip it if

Showpiece or maximalist builders

If you want premium aesthetics, RGB lighting, or absolute best acoustics, the ROG Strix or Noctua variants of the 5080 justify their price premiums. Prime is value-focused, not showcase-focused.

Compact 4K builder

Building or upgrading a mid-tower, mATX, or ITX PC at 4K. The compact 2.5-slot Prime design fits where bulkier triple-fan flagship partner cards won't.

excellent

Value-focused 4K gamer

Wants the 5080 chip at the lowest sensible ASUS partner card price. The Prime variant delivers identical gaming performance to TUF Gaming and ROG Strix for less.

excellent

Multitasking creator

Uses the card for gaming plus 3D rendering or video work. The 16GB VRAM and DLSS 4 features handle creator workloads well, though 5090's 32GB is better for serious pro work.

good

RGB showpiece builder

Building a showpiece PC where lighting is part of the visual identity. Prime is functional rather than premium aesthetically. ROG Strix or Noctua variants are better fits.

skip

Common questions

Before you buy

Is the Prime 5080 worth buying over the TUF or ROG Strix variants?

For most buyers, yes. The Prime delivers vapor chamber cooling and identical gaming performance to pricier variants for less money. TUF and ROG Strix justify their premiums mainly through aesthetics and acoustics.

Will the Prime 5080 fit in an ITX case?

Likely yes. The compact 2.5-slot design is SFF-friendly, fitting most modern ITX cases that accept dual-slot or 2.5-slot GPUs. Check exact dimensions against your specific case before buying.

Is the RTX 5080 worth buying over the RTX 5090?

Yes for most gamers. The 5080 delivers excellent 4K gaming with the same DLSS 4 features at roughly half the 5090's price. The 5090's extra performance is only justified for serious 4K maximalists or creators.

What PSU do I need for the Prime 5080 OC?

Nvidia recommends 850W and that's the realistic floor for the 5080. With a power-hungry CPU like a Ryzen 9 or Core i9, step up to a quality 1000W unit for transient spike headroom.

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