GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for GeForce GTX 1660 and GeForce RTX 3080.
The GeForce RTX 3080 is dramatically faster than the GeForce GTX 1660, leading by roughly 250% in our performance index.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 3080 vs GeForce GTX 1660: In-Depth Breakdown
Performance: GeForce RTX 3080 vs GeForce GTX 1660
The GeForce RTX 3080 is dramatically faster, around 250% ahead of the GeForce GTX 1660. That gap is enough to move it up a tier: the GeForce RTX 3080 is comfortable at 1440p, while the GeForce GTX 1660 is better matched to entry-level 1080p. The GeForce RTX 3080 packs 8,704 CUDA cores versus 1,408 on the GeForce GTX 1660.
Power & Efficiency
The GeForce GTX 1660 pulls less power (120W 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's 6GB can fall short. The GeForce RTX 3080's memory is also faster — 760 GB/s versus 192 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 or GeForce RTX 3080?
The GeForce RTX 3080 is the faster card by about 250%. 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 3080 better than the GeForce GTX 1660?
Which is better for 4K gaming, the GeForce GTX 1660 or the GeForce RTX 3080?
Does the GeForce RTX 3080 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce GTX 1660 | GeForce RTX 3080 |
|---|---|---|
| Architecture | Turing | Ampere |
| Process Node | TSMC 12nm | Samsung 8nm |
| CUDA Cores (CUDA Cores / CUDA Cores) | 1,408 | 8,704✓ |
| Ray Tracing Cores | — | 68 |
| Tensor / AI Cores | — | 272 |
Clock Speeds
| Specification | GeForce GTX 1660 | GeForce RTX 3080 |
|---|---|---|
| Base Clock | 1,530 MHz✓ | 1,440 MHz |
| Boost Clock | 1,785 MHz✓ | 1,710 MHz |
Memory
| Specification | GeForce GTX 1660 | GeForce RTX 3080 |
|---|---|---|
| VRAM Capacity | 6 GB | 10 GB✓ |
| Memory Type | GDDR5 | GDDR6X |
| Memory Bus | 192-bit | 320-bit✓ |
| Memory Speed | 8 Gbps | 19 Gbps✓ |
| Bandwidth | 192 GB/s | 760 GB/s✓ |
Connectivity & Power
| Specification | GeForce GTX 1660 | GeForce RTX 3080 |
|---|---|---|
| Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| TDP | 120 W✓ | 320 W |
| Power Connectors | 1x 8-pin | 1x 12-pin |
| Released | Mar 2019 | Sep 2020 |