GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The GeForce RTX 3090 is dramatically faster than the GeForce RTX 3060 8GB, leading by roughly 128% in our performance index.
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GeForce RTX 3090 vs GeForce RTX 3060 8GB: In-Depth Breakdown
Performance: GeForce RTX 3090 vs GeForce RTX 3060 8GB
The GeForce RTX 3090 is dramatically faster, around 128% ahead of the GeForce RTX 3060 8GB. That gap is enough to move it up a tier: the GeForce RTX 3090 is comfortable at 1440p, while the GeForce RTX 3060 8GB is better matched to 1080p. The GeForce RTX 3090 packs 10,496 CUDA cores versus 3,584 on the GeForce RTX 3060 8GB. The GeForce RTX 3090 also has more RT cores (82 vs 28) and more AI cores (328 vs 112), strengthening its ray-tracing and AI-upscaling performance.
Power & Efficiency
The GeForce RTX 3060 8GB pulls less power (170W vs 350W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 3090 draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it.
VRAM & Future-Proofing
With 24GB against 8GB, the GeForce RTX 3090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce RTX 3060 8GB's 8GB can fall short. The GeForce RTX 3090's memory is also faster — 936 GB/s versus 240 GB/s (384-bit vs 128-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 3090 or GeForce RTX 3060 8GB?
The GeForce RTX 3090 is the faster card by about 128%. 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.