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 SUPER comes out dramatically faster — about 195% ahead of the Radeon RX 6650 XT.

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VS
NVIDIA
GeForce RTX 4080 SUPER
Price
£2,000
Performance
56%
VRAM
16 GB GDDR6X
Key Specs Advantage
+400% CUDA Cores (10,240 vs 2,048)
+163% Bandwidth (736 GB/s vs 280 GB/s)
+150% RT Cores (80 vs 32)
Price
Awaiting Data
Performance
19%
VRAM
8 GB GDDR6
Key Specs Advantage
+3% Boost Clock (2,635 MHz vs 2,550 MHz)

GeForce RTX 4080 SUPER vs Radeon RX 6650 XT: In-Depth Breakdown

Performance: GeForce RTX 4080 SUPER vs Radeon RX 6650 XT

The GeForce RTX 4080 SUPER is dramatically faster, around 195% ahead of the Radeon RX 6650 XT. That gap is enough to move it up a tier: the GeForce RTX 4080 SUPER is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6650 XT is better matched to 1080p.

Power & Efficiency

On power, the Radeon RX 6650 XT is the gentler choice at 180W versus 320W. The GeForce RTX 4080 SUPER 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 SUPER carries 16GB versus 8GB on the Radeon RX 6650 XT. The extra 8GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.

Generation & Longevity

The GeForce RTX 4080 SUPER is roughly 2 years newer than the Radeon RX 6650 XT (Ada Lovelace vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.

Features & Ecosystem

Beyond raw numbers, the GeForce RTX 4080 SUPER brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6650 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 SUPER or Radeon RX 6650 XT?

The GeForce RTX 4080 SUPER is the faster card by about 195%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.

Frequently Asked Questions

Is the GeForce RTX 4080 SUPER better than the Radeon RX 6650 XT?

The GeForce RTX 4080 SUPER is dramatically faster, roughly 195% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the GeForce RTX 4080 SUPER or the Radeon RX 6650 XT?

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

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

Its 16GB (vs 8GB) 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 4080 SUPERRadeon RX 6650 XT
ArchitectureAda LovelaceRDNA 2
Process NodeTSMC 4NTSMC N7
CUDA Cores (CUDA Cores / Stream Processors)10,2402,048
Ray Tracing Cores8032
Tensor / AI Cores320

Clock Speeds

SpecificationGeForce RTX 4080 SUPERRadeon RX 6650 XT
Base Clock2,295 MHz2,055 MHz
Boost Clock2,550 MHz2,635 MHz

Memory

SpecificationGeForce RTX 4080 SUPERRadeon RX 6650 XT
VRAM Capacity16 GB8 GB
Memory TypeGDDR6XGDDR6
Memory Bus256-bit128-bit
Memory Speed23 Gbps17.5 Gbps
Bandwidth736 GB/s280 GB/s

Connectivity & Power

SpecificationGeForce RTX 4080 SUPERRadeon RX 6650 XT
InterfacePCIe 4.0 x16PCIe 4.0 x8
TDP320 W180 W
Power Connectors1x 16-pin1x 8-pin
ReleasedJan 2024May 2022