GPU Showdown

GeForce GTX 1660 TivsGeForce RTX 5090 D

The GeForce GTX 1660 Ti is a solid mid-range card for 1080p gaming on a budget, while the RTX 5090 D is a top-tier monster for 4K gaming and heavy creative work.

NVIDIA GeForce GTX 1660 Ti
6 GB · 120W
VS
NVIDIA GeForce RTX 5090 D
32 GB · 575W
NVIDIA

GeForce GTX 1660 Ti

Turing · TSMC 12 nm · 2019

30score
4.3/ 5
0 votes
VRAM
6 GB
TDP
120W
CUDA Cores
1,536
Boost Clock
1770 MHz

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NVIDIA

GeForce RTX 5090 D

Blackwell 2.0 · TSMC 5 nm · 2025

100score
3.3/ 5
0 votes
VRAM
32 GB
TDP
575W
Shaders
21,760
Boost Clock
2407 MHz

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Aggregate Performance

Overall Performance Score

A unified score from combined synthetic and real-world benchmarks. 100 represents the fastest consumer GPU available.

GTX 1660 Ti
30
RTX 5090 DWinner
100
RTX 5090 D leads by 233.3% in aggregate performance.
Where they rank overall
#1RTX 5090 D100
#2RTX 509094
#89Arc A75030
#90GTX 1660 Ti30
#91RTX 3050 8 GB30
Technical Specifications

Side-by-Side Specs

Every detail compared. Highlighted cells indicate the leading value for that metric.

SpecsGTX 1660 TiRTX 5090 D
General
Process Node12 nm5 nm
Memory
VRAM6 GB32 GB
Memory TypeGDDR6GDDR7
Memory Bus192-bit512-bit
Bandwidth288 GB/s1790 GB/s
Compute
CUDA Cores1,53621,760
TMUs96680
ROPs48176
Boost Clock1770 MHz2407 MHz
FP325.437 TF104.8 TF
Power
TDP120575
Power Connectors1x 8-pin1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x DVI, 1x HDMI, 1x DisplayPort1x HDMI 2.1b, 3x DisplayPort 2.1b
Verdict

Which should you buy?

Winner overall

The GeForce RTX 5090 D wins overall, offering vastly superior performance for modern gaming and creative work.

Best value

For budget buyers, the GeForce GTX 1660 Ti is the smarter pick as a capable, lower-power card for older games.

When the other wins

The GeForce GTX 1660 Ti is the right choice for a secondary PC or a system with a weak power supply where raw speed isn't needed.

FAQ

Frequently asked questions

Is the GTX 1660 Ti better than the RTX 5090 D?

Overall the RTX 5090 D is the stronger graphics card: it ranks higher in our aggregate performance score (100 vs 30 out of 100), so it leads the GTX 1660 Ti in most workloads.

How much faster is the RTX 5090 D than the GTX 1660 Ti?

Based on our aggregated benchmark scores the RTX 5090 D is roughly 233% faster than the GTX 1660 Ti overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the GTX 1660 Ti or the RTX 5090 D?

If you want the most performance, pick the RTX 5090 D. If the GTX 1660 Ti is meaningfully cheaper where you shop, it can be the better value for similar real-world results — check current prices and the full spec comparison above before deciding.