UNIT · NVIDIA · GPU
6 GB VRAMmidReviewed June 2026

NVIDIA GeForce GTX 1660

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

Turing mid-range without RT cores. 6 GB VRAM fits 7B Q4 with short context. No Tensor cores or FP16 acceleration on consumer Turing-LITE, so inference is bandwidth-limited at ~20-30 tok/s for 7B. Common in pre-built budget gaming rigs.

Released 2019·~$130 street·192 GB/s memory bandwidth
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NVIDIA GeForce GTX 1660

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RUNLOCALAI SCORE
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218/ 1000
DD-tier
Estimated
Throughput
67/ 500
VRAM-fit
30/ 200
Ecosystem
200/ 200
Efficiency
15/ 100

Sub-scores sum to 312 / 1000. Headline = 312 × 0.70 (Estimated-confidence discount) = 218. 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 192 GB/s bandwidth — 23.0 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 operator who already owns a GTX 1660 from a gaming build and wants to dip into local AI without spending a dime on hardware. It runs 7B Q4 models at 20-30 tok/s, usable for chat but not real-time interaction. 6 GB VRAM fits 7B Q4 with short context (2K tokens), but any larger model or longer context will spill to system RAM and tank performance. The lack of Tensor cores and FP16 acceleration means inference is purely bandwidth-limited, so don't expect speed gains from quantization beyond Q4. Pass on this card if you're buying new for AI; a used RTX 3060 12 GB costs ~$180 and triples VRAM with better software support. At $130 used, it's a stopgap for budget tinkerers, not a primary inference card.

Why this rating

The GTX 1660 is usable for small models but severely limited by 6 GB VRAM and no Tensor cores. It scores low because most local AI workloads benefit from more memory and acceleration, making this a niche budget option.

BLK · OVERVIEW

Overview

Turing mid-range without RT cores. 6 GB VRAM fits 7B Q4 with short context. No Tensor cores or FP16 acceleration on consumer Turing-LITE, so inference is bandwidth-limited at ~20-30 tok/s for 7B. Common in pre-built budget gaming rigs.

Retailers we'd check:Amazon

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BLK · SPECS

Specs

VRAM6 GB
Power draw (peak)120 W
Released2019
MSRP$219
Backends
CUDA
Vulkan

Models that fit

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

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Frequently asked

What models can NVIDIA GeForce GTX 1660 run?

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

Does NVIDIA GeForce GTX 1660 support CUDA?

Yes — NVIDIA GeForce GTX 1660 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 cost?

Current street price for NVIDIA GeForce GTX 1660 is around $130 (MSRP $219). Prices vary by region and supply.

Where next?

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