GIGABYTE GeForce RTX 5080 GAMING OC 16G vs Gigabyte AORUS GeForce RTX 3070 MASTER 8G

Researched, not hands-on tested.How we review ›

all judged against graphics cards at a similar price

The GIGABYTE GeForce RTX 5080 GAMING OC 16G scores 6.9/10 overall, ahead of the Gigabyte AORUS GeForce RTX 3070 MASTER 8G at 4.9/10.

The GIGABYTE GeForce RTX 5080 GAMING OC 16G leads on performance, video memory, efficiency and noise and build and warranty.

They score the same on software support and size and fit.

The biggest difference is video memory, where the GIGABYTE GeForce RTX 5080 GAMING OC 16G scores 7/10 to the Gigabyte AORUS GeForce RTX 3070 MASTER 8G's 3/10.

GIGABYTE GeForce RTX 5080 GAMING OC 16G

6.9/10verdict: buy

This is a factory-overclocked RTX 5080 for buyers who want a quiet, well-cooled high-end card and have a case with room for it. It suits gaming and local AI work that fits within 16GB of video memory. It needs a roomy case, and it has one 16-pin 12V-2x6 power connector with an 850W power supply recommended by Gigabyte.

Typically about £1,510 in the UK when we researched itCheck price at Amazon UK

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Gigabyte AORUS GeForce RTX 3070 MASTER 8G

4.9/10verdict: skip

This card is for someone building a full-size gaming or CUDA workstation PC who wants a factory-overclocked RTX 3070 with a big cooler. It suits users who value a long warranty and a multi-output layout with three DisplayPort and three HDMI connections. It is less suited to small cases or to anyone planning to run large local AI models.

Check price at Amazon UK

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Scores, criterion by criterion

Criterion	Weight	GIGABYTE GeForce RTX 5080 GAMING OC 16G	Gigabyte AORUS GeForce RTX 3070 MASTER 8G
Performance	30%	8/10	6/10
Video memory	25%	7/10	3/10
Software support	15%	6/10	6/10
Efficiency and noise	15%	7/10	5/10
Size and fit	10%	4/10	4/10
Build and warranty	5%	8/10	7/10
Overall		6.9/10	4.9/10

Specifications

Spec	GIGABYTE GeForce RTX 5080 GAMING OC 16G	Gigabyte AORUS GeForce RTX 3070 MASTER 8G
GPU	GeForce RTX 5080, 10752 CUDA cores, core clock 2730 MHz (reference 2617 MHz)	GeForce RTX 3070, 5888 CUDA cores, core clock 1845 MHz (reference 1725 MHz)
Video memory	16GB GDDR7, 256-bit bus, 30 Gbps memory clock	8 GB GDDR6, 256-bit bus, 14000 MHz memory clock, 448 GB/s bandwidth
Length and slots	L=340 mm, W=140 mm, H=70 mm; PCB form ATX	290 mm long, 131 mm wide, 60 mm high
Display outputs	DisplayPort 2.1b x3, HDMI 2.1b x1	DisplayPort 1.4a x3, HDMI 2.1 x2, HDMI 2.0 x1
Power connector	One 16-pin (12V-2x6) power connector	2 x 8-pin power connectors

Strengths and weaknesses

GIGABYTE GeForce RTX 5080 GAMING OC 16G

+ Quiet fans and low temperatures, per owners and TechPowerUp
+ 4-year warranty with a reinforced metal backplate
+ 16GB GDDR7 on a 256-bit bus
− Large at 340 mm long and 70 mm high
− 16GB is fixed, which caps larger AI models
− Gigabyte doesn't publish board power

Skip it if:

Anyone building in a compact or small-form-factor case.
Buyers running local AI models that need more than 16GB of video memory.
Buyers who want a published board power figure before choosing a power supply.

Read the full GIGABYTE GeForce RTX 5080 GAMING OC 16G review ›

Gigabyte AORUS GeForce RTX 3070 MASTER 8G

+ Three 100 mm fans with copper plate and heat pipes
+ 4-year warranty with online registration
+ Factory core clock of 1845 MHz
− Only 8GB of video memory
− Large 290 mm card needs two 8-pin connectors
− Some owners report heat and poor Gigabyte software

Skip it if:

Anyone planning to run large local AI models that need more than 8 GB of memory.
Builders with a small case or server chassis that can't take a 290 mm card.
Buyers who want a guaranteed cool, quiet card and are put off by reports of heat.

Read the full Gigabyte AORUS GeForce RTX 3070 MASTER 8G review ›

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