NVIDIA
GeForce GTX 1660
Turing · 6 GB GDDR5 · 120 W
62
/ 100
From $219
VS
GeForce RTX 5090 wins by 36
NVIDIA
GeForce RTX 5090
Blackwell · 32 GB GDDR7 · 575 W
98
/ 100
From $1,999
Specdex verdict
GeForce RTX 5090 takes it — here’s why.
In our weighted Specdex score, GeForce GTX 1660 lands at 62 and GeForce RTX 5090 at 98. That puts GeForce RTX 5090 ahead by 36 points — a decisive margin driven mostly by its strengths in the categories below.
Pick GeForce GTX 1660 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
Pick GeForce RTX 5090 if…
- ✓Unrivaled 4K and path-tracing
- ✓DLSS 4 Multi-Frame Gen
- ✓32 GB VRAM for AI
GeForce GTX 1660 62
vs 98 GeForce RTX 5090
Score breakdown
GeForce GTX 1660
62 raster 62
rt 57
ai 59
efficiency 70
GeForce RTX 5090
98 raster 100
rt 100
ai 100
efficiency 78
Specs side-by-side
| Spec | GeForce GTX 1660 | GeForce RTX 5090 |
|---|---|---|
| Architecture | Turing | Blackwell |
| VRAM | 6 GB GDDR5 | ▲ 32 GB GDDR7 |
| TBP | 120 W | 575 W |
| Release year | 2019 | — |
| CUDA cores | — | 21,760 |
| Tensor cores | — | 680 (5th gen) |
| RT cores | — | 170 (4th gen) |
| Memory bus | — | 512-bit |
| Bandwidth | — | 1792 GB/s |
| PCIe | — | PCIe 5.0 x16 |
GeForce GTX 1660
Pros
- +NVIDIA driver stack
- +DLSS support on RTX
- +Strong resale value
Cons
- −Power draw scales with tier
- −Gen-over-gen price creep
- −VRAM gated per tier
GeForce RTX 5090
Pros
- +Unrivaled 4K and path-tracing
- +DLSS 4 Multi-Frame Gen
- +32 GB VRAM for AI
Cons
- −Enormous power draw
- −Two-slot+ cooler required
- −Scarce MSRP supply
FAQ: GeForce GTX 1660 vs GeForce RTX 5090
Which is better, GeForce GTX 1660 or GeForce RTX 5090? +
GeForce RTX 5090 scores 98 on our weighted rubric — ahead by 36. Your best pick depends on the sub-scores above.
Is GeForce GTX 1660 worth the price? +
At $219, GeForce GTX 1660 delivers a Specdex score of 62 — strongest in efficiency.
Is GeForce RTX 5090 worth the price? +
At $1,999, GeForce RTX 5090 delivers a Specdex score of 98 — strongest in raster.
Does GeForce GTX 1660 or GeForce RTX 5090 last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.