GTX 1660 Ti for Blender
Turing GPU with 6 GB VRAM, below Blender’s recommended 8 GB. Check scene memory needs and GPU compatibility before buying.
Last updated: October 1, 2026
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- Blender Cycles score
- 695
- 16.7× slower than
- VRAM
- 6 GB
- Below Blender’s recommended VRAM
- Released
- 2019
- Render support
- OptiX, CUDA
- Power draw (TDP)
- 120 W
- System PSU
- 450 W
Technical specifications
GPU
- ArchitectureTuring
- CUDA cores1,536
Memory
- TypeGDDR6
- Bandwidth288 GB/s
- Bus width192-bit
Clocks & manufacturing
- Boost clock1770 MHz
- Base clock1500 MHz
- Process size12 nm
- GPU chipTU116
Power & PSU sources
GPU power ratings
Graphics Card Power (W): 120 W · Graphics card power
Manufacturer: NVIDIA reference specifications ↗ · Checked Sep 23, 2026 · Reference card
Reference/Founders Edition specifications; card specifications and system power requirements can vary by manufacturer and system configuration.
TDP: 120 W
Secondary source: RightNow GPU Database / TechPowerUp ↗ · Checked Sep 23, 2026 · Reference card
System power supply
Minimum System Power (W) (3): 450 W
Manufacturer: NVIDIA reference specifications ↗ · Checked Sep 23, 2026 · Reference system
Reference/Founders Edition specifications; card specifications and system power requirements can vary by manufacturer and system configuration.
Suggested PSU: 300 W
Secondary source: RightNow GPU Database / TechPowerUp ↗ · Checked Sep 23, 2026 · Reference system
Third-party source suggestion; not the manufacturer’s minimum system requirement.
GPU power ratings and whole-system PSU recommendations measure different things. Check the exact card and the source’s system assumptions.
GTX 1660 Ti Blender benchmarks
Estimated time to render one benchmark frame · Lower is faster.
Blender 5.2.0 · OptiX · 12 runs
About these estimates
Times estimate one frame of each benchmark scene from the same runs, Blender version and backend as the displayed Cycles score. The calculation uses 240 samples for Junkshop, 256 for Monster and 300 for Classroom, plus a 19% estimation buffer. Actual project render times vary. Results from different Blender versions may not be directly comparable.
Is GTX 1660 Ti good for Blender?
A concise editorial read on where this GPU looks strong, the tradeoffs to keep in mind, and who it suits best.
What stands out
- Turing Architecture
- 12 nm Process Size
- Longer render waits; consider when rendering time is a lower priority.
Tradeoffs to know
- Meets Blender’s 2 GB VRAM minimum but falls below its 8 GB recommendation for Windows/Linux. Usability depends on GPU and driver compatibility and your scene’s memory needs.
- Limited VRAM for high-end projects
- Not the latest generation
Who should choose it
- Turing GPU with 6 GB VRAM, below Blender’s recommended 8 GB. Check scene memory needs and GPU compatibility before buying.
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