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 3090 comes out dramatically faster — about 105% ahead of the Radeon RX 6650 XT.

Maximum Capacity Reached. Remove a model to add another. (2/2)

VS
NVIDIA
GeForce RTX 3090
Price
£1,282
Performance
39%
VRAM
24 GB GDDR6X
Key Specs Advantage
+413% CUDA Cores (10,496 vs 2,048)
+234% Bandwidth (936 GB/s vs 280 GB/s)
+200% Memory Bus (384-bit vs 128-bit)
Price
Awaiting Data
Performance
19%
VRAM
8 GB GDDR6
Key Specs Advantage
+55% Boost Clock (2,635 MHz vs 1,695 MHz)

GeForce RTX 3090 vs Radeon RX 6650 XT: In-Depth Breakdown

Performance: GeForce RTX 3090 vs Radeon RX 6650 XT

The GeForce RTX 3090 is dramatically faster, around 105% ahead of the Radeon RX 6650 XT. That gap is enough to move it up a tier: the GeForce RTX 3090 is comfortable at 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 350W. The GeForce RTX 3090 is more efficient per watt because it's faster, but its higher 350W draw means more heat and a bigger PSU.

VRAM & Future-Proofing

The GeForce RTX 3090 carries 24GB versus 8GB on the Radeon RX 6650 XT. The extra 16GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.

Generation & Longevity

The Radeon RX 6650 XT is roughly 2 years newer than the GeForce RTX 3090 (RDNA 2 vs Ampere), so it generally benefits from a more modern architecture and longer driver-support runway.

Features & Ecosystem

Beyond raw numbers, the GeForce RTX 3090 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 3090 or Radeon RX 6650 XT?

The GeForce RTX 3090 is the faster card by about 105%. 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 3090 better than the Radeon RX 6650 XT?

The GeForce RTX 3090 is dramatically faster, roughly 105% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the GeForce RTX 3090 or the Radeon RX 6650 XT?

Neither is a dedicated 4K card; both are best at 1440p. For 4K you'd want a faster GPU, or lean on upscaling.

Does the GeForce RTX 3090 have enough VRAM advantage to matter?

Its 24GB (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 3090Radeon RX 6650 XT
ArchitectureAmpereRDNA 2
Process NodeSamsung 8nmTSMC N7
CUDA Cores (CUDA Cores / Stream Processors)10,4962,048
Ray Tracing Cores8232
Tensor / AI Cores328

Clock Speeds

SpecificationGeForce RTX 3090Radeon RX 6650 XT
Base Clock1,395 MHz2,055 MHz
Boost Clock1,695 MHz2,635 MHz

Memory

SpecificationGeForce RTX 3090Radeon RX 6650 XT
VRAM Capacity24 GB8 GB
Memory TypeGDDR6XGDDR6
Memory Bus384-bit128-bit
Memory Speed19.5 Gbps17.5 Gbps
Bandwidth936 GB/s280 GB/s

Connectivity & Power

SpecificationGeForce RTX 3090Radeon RX 6650 XT
InterfacePCIe 4.0 x16PCIe 4.0 x8
TDP350 W180 W
Power Connectors1x 12-pin1x 8-pin
ReleasedSep 2020May 2022