GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The GeForce RTX 3080 is dramatically faster than the GeForce GTX 1660 SUPER, leading by roughly 200% in our performance index.
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GeForce RTX 3080 vs GeForce GTX 1660 SUPER: In-Depth Breakdown
Performance: GeForce RTX 3080 vs GeForce GTX 1660 SUPER
The GeForce RTX 3080 is dramatically faster, around 200% ahead of the GeForce GTX 1660 SUPER. That gap is enough to move it up a tier: the GeForce RTX 3080 is comfortable at 1440p, while the GeForce GTX 1660 SUPER is better matched to entry-level 1080p. The GeForce RTX 3080 packs 8,704 CUDA cores versus 1,408 on the GeForce GTX 1660 SUPER.
Power & Efficiency
The GeForce GTX 1660 SUPER pulls less power (125W vs 320W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 3080 draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern Ampere architecture on a Samsung 8nm process is part of why it does more with each watt.
VRAM & Future-Proofing
With 10GB against 6GB, the GeForce RTX 3080 has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce GTX 1660 SUPER's 6GB can fall short. The GeForce RTX 3080's memory is also faster — 760 GB/s versus 336 GB/s (320-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce GTX 1660 SUPER or GeForce RTX 3080?
The GeForce RTX 3080 is the faster card by about 200%. 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.