GPU Comparison

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

Quick Verdict

The GeForce RTX 4090 is dramatically faster than the GeForce RTX 3060 12GB, leading by roughly 300% in our performance index.

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

VS
NVIDIA
GeForce RTX 3060 12GB
Price
£359
Performance
18%
VRAM
12 GB GDDR6
Key Specs Advantage

Comparable or lower specs

Price
Awaiting Data
Performance
72%
VRAM
24 GB GDDR6X
Key Specs Advantage
+357% CUDA Cores (16,384 vs 3,584)
+357% RT Cores (128 vs 28)
+357% Tensor Cores (512 vs 112)

GeForce RTX 4090 vs GeForce RTX 3060 12GB: In-Depth Breakdown

Performance: GeForce RTX 4090 vs GeForce RTX 3060 12GB

The GeForce RTX 4090 is dramatically faster, around 300% ahead of the GeForce RTX 3060 12GB. That gap is enough to move it up a tier: the GeForce RTX 4090 is comfortable at 4K and high-refresh 1440p, while the GeForce RTX 3060 12GB is better matched to 1080p. The GeForce RTX 4090 packs 16,384 CUDA cores versus 3,584 on the GeForce RTX 3060 12GB.

Power & Efficiency

The GeForce RTX 3060 12GB pulls less power (170W vs 450W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 4090 draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern Ada Lovelace architecture on a TSMC 4N process is part of why it does more with each watt.

VRAM & Future-Proofing

With 24GB against 12GB, the GeForce RTX 4090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce RTX 3060 12GB's 12GB can fall short. The GeForce RTX 4090's memory is also faster — 1,008 GB/s versus 360 GB/s (384-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.

Which should you buy: GeForce RTX 3060 12GB or GeForce RTX 4090?

The GeForce RTX 4090 is the faster card by about 300%. 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 4090 better than the GeForce RTX 3060 12GB?

The GeForce RTX 4090 is dramatically faster, roughly 300% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the GeForce RTX 3060 12GB or the GeForce RTX 4090?

The GeForce RTX 4090 is the better 4K option — it's comfortable at 4K and high-refresh 1440p, and its 24GB of VRAM helps with 4K textures.

Does the GeForce RTX 4090 have enough VRAM advantage to matter?

Its 24GB (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 3060 12GBGeForce RTX 4090
ArchitectureAmpereAda Lovelace
Process NodeSamsung 8nmTSMC 4N
CUDA Cores (CUDA Cores / CUDA Cores)3,58416,384
Ray Tracing Cores28128
Tensor / AI Cores112512

Clock Speeds

SpecificationGeForce RTX 3060 12GBGeForce RTX 4090
Base Clock1,320 MHz2,235 MHz
Boost Clock1,777 MHz2,520 MHz

Memory

SpecificationGeForce RTX 3060 12GBGeForce RTX 4090
VRAM Capacity12 GB24 GB
Memory TypeGDDR6GDDR6X
Memory Bus192-bit384-bit
Memory Speed15 Gbps21 Gbps
Bandwidth360 GB/s1,008 GB/s

Connectivity & Power

SpecificationGeForce RTX 3060 12GBGeForce RTX 4090
InterfacePCIe 4.0 x16PCIe 4.0 x16
TDP170 W450 W
Power Connectors1x 8-pin1x 16-pin
ReleasedFeb 2021Sep 2022