UNIT · NVIDIA · GPU
6 GB VRAMmidReviewed June 2026

NVIDIA GeForce GTX 1660 Ti

No editorial image yet — generic vendor mark shown. Credentials in spec table below.

Turing mid-tier without RT/Tensor cores. 6 GB VRAM fits 7B Q4 with short context. Bandwidth (288 GB/s) is solid for the tier — ~30-40 tok/s on 7B Q4. Same VRAM ceiling as the 1660 Super; the Ti pays for slightly more compute that doesn't help much for inference.

Released 2019·~$160 street·288 GB/s memory bandwidth
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NVIDIA GeForce GTX 1660 Ti

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RUNLOCALAI SCORE
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247/ 1000
DD-tier
Estimated
Throughput
100/ 500
VRAM-fit
30/ 200
Ecosystem
200/ 200
Efficiency
23/ 100

Sub-scores sum to 353 / 1000. Headline = 353 × 0.70 (Estimated-confidence discount) = 247. This is an algorithmic performance-tier score — distinct from, and often lower than, the editorial “Our verdict” below, which weighs value and real-world fit (especially for hardware we haven’t measured yet). How scoring works →

Extrapolated from 288 GB/s bandwidth — 34.6 tok/s estimated. No measured benchmarks yet.

Plain-English: Edge-of-fit for 7B; expect compromises.

7B chat~
Tight
14B chat
Doesn't fit
32B chat
Doesn't fit
70B chat
Doesn't fit
Coding agent
Doesn't fit
Vision (≤8B VLM)~
Tight
Long context (32K)
Doesn't fit
Comfortable — fits with headroom
~Tight — works, no slack
Marginal — needs aggressive quant
Doesn't fit usefully

Verdicts extrapolated from catalog VRAM + bandwidth + ecosystem flags. Hover any chip for the rationale. Want measured numbers? Submit your own run with runlocalai-bench --submit.

BLK · VERDICT

Our verdict

OP · Fredoline Eruo|VERIFIED JUN 9, 2026
2.8/10

This card is for the budget operator who needs a functional local inference rig at the lowest possible entry cost and is willing to accept strict model size limits. The 6 GB VRAM fits a 7B Q4 model with a short context window (2-4K tokens), and the 288 GB/s bandwidth delivers 30-40 tok/s on that workload — usable for chat or code completion. Larger models like 13B Q4 or 7B Q8 are out of reach; the card cannot load them at all. The lack of Tensor cores means no acceleration for CUDA-based inference engines like llama.cpp, but the card still runs them fine via FP16 compute. Pass on this card if you need to run 13B models, want longer context (8K+), or plan to experiment with larger quantizations. At ~$160 used, it is a stopgap for learning local AI, not a long-term investment.

Why this rating

The GTX 1660 Ti offers decent inference speed for 7B Q4 models at a low price, but its 6 GB VRAM is a hard ceiling that excludes most modern workloads. It scores a 5.5 because it is functional for entry-level use but lacks headroom for growth.

BLK · OVERVIEW

Overview

Turing mid-tier without RT/Tensor cores. 6 GB VRAM fits 7B Q4 with short context. Bandwidth (288 GB/s) is solid for the tier — ~30-40 tok/s on 7B Q4. Same VRAM ceiling as the 1660 Super; the Ti pays for slightly more compute that doesn't help much for inference.

Retailers we'd check:Amazon

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BLK · SPECS

Specs

VRAM6 GB
Power draw (peak)120 W
Released2019
MSRP$279
Backends
CUDA
Vulkan

Models that fit

Open-weight models small enough to run on NVIDIA GeForce GTX 1660 Ti with usable context.

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Frequently asked

What models can NVIDIA GeForce GTX 1660 Ti run?

With 6GB VRAM, the NVIDIA GeForce GTX 1660 Ti runs 7B models comfortably in Q4 quantization. See the model list below for tested combinations.

Does NVIDIA GeForce GTX 1660 Ti support CUDA?

Yes — NVIDIA GeForce GTX 1660 Ti is an NVIDIA card with full CUDA support, the most mature local-AI backend. llama.cpp, Ollama, vLLM, and ExLlamaV2 all run natively.

How much does NVIDIA GeForce GTX 1660 Ti cost?

Current street price for NVIDIA GeForce GTX 1660 Ti is around $160 (MSRP $279). Prices vary by region and supply.

Where next?

Reviewed by RunLocalAI Editorial. See our editorial policy for how we research and verify hardware specifications.