GPU Comparison

Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.

Quick Verdict

On raw speed the GeForce RTX 4080 comes out dramatically faster — about 129% ahead of the Radeon RX 6700 XT. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.

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VS
NVIDIA
GeForce RTX 4080
Price
£1,459
Performance
55%
VRAM
16 GB GDDR6X
Key Specs Advantage
+280% CUDA Cores (9,728 vs 2,560)
+90% RT Cores (76 vs 40)
+87% Bandwidth (716.8 GB/s vs 384 GB/s)
Price
£868
Performance
24%
VRAM
12 GB GDDR6
Key Specs Advantage
+3% Boost Clock (2,581 MHz vs 2,505 MHz)

GeForce RTX 4080 vs Radeon RX 6700 XT: In-Depth Breakdown

Performance: GeForce RTX 4080 vs Radeon RX 6700 XT

The GeForce RTX 4080 is dramatically faster, around 129% ahead of the Radeon RX 6700 XT. That gap is enough to move it up a tier: the GeForce RTX 4080 is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6700 XT is better matched to 1080p.

Price & Value

The Radeon RX 6700 XT currently lists from $868 GBP, $591 GBP less than the GeForce RTX 4080 at $1,459 GBP. Because it's both faster and competitively priced, the GeForce RTX 4080 wins on performance-per-dollar by about 36%. The Radeon RX 6700 XT still sits about $389 GBP above its $479 GBP MSRP. The GeForce RTX 4080 still sits about $260 GBP above its $1,199 GBP MSRP.

Power & Efficiency

On power, the Radeon RX 6700 XT is the gentler choice at 230W versus 320W. The GeForce RTX 4080 is more efficient per watt because it's faster, but its higher 320W draw means more heat and a bigger PSU. Its more modern Ada Lovelace architecture on a TSMC 4N process is part of why it does more with each watt.

VRAM & Future-Proofing

The GeForce RTX 4080 carries 16GB versus 12GB on the Radeon RX 6700 XT. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.

Features & Ecosystem

Beyond raw numbers, the GeForce RTX 4080 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6700 XT offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.

Which should you buy: GeForce RTX 4080 or Radeon RX 6700 XT?

The GeForce RTX 4080 is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the Radeon RX 6700 XT if you find it at a steep discount.

Frequently Asked Questions

Is the GeForce RTX 4080 better than the Radeon RX 6700 XT?

The GeForce RTX 4080 is dramatically faster, roughly 129% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the GeForce RTX 4080 or the Radeon RX 6700 XT?

The GeForce RTX 4080 is the better 4K option — it's comfortable at 4K with upscaling and native 1440p, and its 16GB of VRAM helps with 4K textures.

Is the GeForce RTX 4080 worth the extra $591 GBP over the Radeon RX 6700 XT?

Often yes — despite the higher price the GeForce RTX 4080 delivers better performance-per-dollar here.

Does the GeForce RTX 4080 have enough VRAM advantage to matter?

Its 16GB (vs 12GB) gives real headroom for 4K, heavy texture mods, and creative/AI work. At 1080p the gap matters less.

Technical Specifications Comparison

Architecture & Cores

SpecificationGeForce RTX 4080Radeon RX 6700 XT
ArchitectureAda LovelaceRDNA 2
Process NodeTSMC 4NTSMC N7
CUDA Cores (CUDA Cores / Stream Processors)9,7282,560
Ray Tracing Cores7640
Tensor / AI Cores304

Clock Speeds

SpecificationGeForce RTX 4080Radeon RX 6700 XT
Base Clock2,205 MHz2,321 MHz
Boost Clock2,505 MHz2,581 MHz

Memory

SpecificationGeForce RTX 4080Radeon RX 6700 XT
VRAM Capacity16 GB12 GB
Memory TypeGDDR6XGDDR6
Memory Bus256-bit192-bit
Memory Speed22.4 Gbps16 Gbps
Bandwidth716.8 GB/s384 GB/s

Connectivity & Power

SpecificationGeForce RTX 4080Radeon RX 6700 XT
InterfacePCIe 4.0 x16PCIe 4.0 x16
TDP320 W230 W
Power Connectors1x 16-pin1x 6-pin + 1x 8-pin
ReleasedSep 2022Mar 2021