UNIT · NVIDIA · GPU
6 GB VRAMmidReviewed November 2026

NVIDIA GeForce GTX 1660 Super

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

Turing mid-range with GDDR6 — bandwidth jumps to 336 GB/s vs the base 1660. Same 6 GB VRAM ceiling. Still no Tensor cores. Strong used-market value in 2026.

Released 2019·Launch MSRP $229 (2019) · Now sells well below its launch price on the used market.·336 GB/s memory bandwidth
RUNLOCALAI SCORE
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261/ 1000
DD-tier
Estimated
Throughput
117/ 500
VRAM-fit
30/ 200
Ecosystem
200/ 200
Efficiency
26/ 100

Sub-scores sum to 373 / 1000. Headline = 373 × 0.70 (Estimated-confidence discount) = 261. 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 336 GB/s bandwidth — 40.3 tok/s estimated. No measured benchmarks yet.

WORKLOAD FIT
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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 · OVERVIEW

Overview

Turing mid-range with GDDR6 — bandwidth jumps to 336 GB/s vs the base 1660. Same 6 GB VRAM ceiling. Still no Tensor cores. Strong used-market value in 2026.

Retailers we'd check:Amazon

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BLK · SPECS

Specs

VRAM6 GB
Power draw (peak)125 W
Released2019
MSRP$229
Backends
CUDA
Vulkan

Models that fit

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

all-MiniLM-L6-v2
0.022B · other · fits by VRAM, no benchmark yet
Nomic Embed Text v1.5
0.137B · other · fits by VRAM, no benchmark yet
Kokoro 82M
0.082B · other · fits by VRAM, no benchmark yet
BGE Large EN v1.5
0.335B · other · fits by VRAM, no benchmark yet
Qwen 3 0.6B
0.6B · qwen · fits by VRAM, no benchmark yet
all-mpnet-base-v2
0.109B · other · fits by VRAM, no benchmark yet
XTTS v2
0.46B · other · fits by VRAM, no benchmark yet
BGE Reranker v2 M3
0.57B · other · fits by VRAM, no benchmark yet

Frequently asked

What models can NVIDIA GeForce GTX 1660 Super run?

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

Does NVIDIA GeForce GTX 1660 Super support CUDA?

Yes — NVIDIA GeForce GTX 1660 Super 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 Super cost?

The NVIDIA GeForce GTX 1660 Super launched at an MSRP of $229 in 2019. Now sells well below its launch price on the used market. Retail prices change often, so check the current price with a retailer before you buy.

Where next?

Buyer guides
Troubleshooting

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