NVIDIA· TURING

NVIDIA GeForce GTX 1660

VRAM
6 GB
BUDGET
BANDWIDTH
192
GB/S
MODELS Q4
142/331
43%
7B Q4 SPEED
~22
GOOD
▸ MODEL COVERAGE @ Q443% OF ALL
▸ ESTIMATED SPEED· BY MODEL SIZE @ Q4

Average speeds at Q4 quantization. Actual performance varies by model architecture and context length.

3B
~51
TOK/S
7B
~22
TOK/S
14B
7.9GB NEEDED
32B
18.0GB NEEDED
70B
39.4GB NEEDED
▸ SPECIFICATIONS
VRAM
6 GB
BANDWIDTH
192 GB/s
FP16 COMPUTE
10.1 TFLOPS
TDP
120W
MEMORY
GDDR5
ARCHITECTURE
Turing
CUDA CORES
1,408
PCIE
Gen 3 x16
76
FAST MODELS · >30 TOK/S
Real-time chat speed
142
USABLE · >10 TOK/S
Comfortable for all tasks
142
TOTAL COMPATIBLE
Fit in VRAM at Q4
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▸ COMPATIBLE MODELS· 142
S
nomic-embed-text-v1.5 100M0.1B
EMBEDDING·8K CTX· CHAT
1536
TOK/S · 9% VRAM
S
GPT-2 124M0.124B
GPT2·1K CTX· CHAT
1239
TOK/S · 9% VRAM
S
SmolLM2 135M0.135B
SMOLLM·2K CTX· CHAT
1138
TOK/S · 10% VRAM
S
bge-large-en-v1.5 335M0.335B
EMBEDDING·1K CTX· CHAT
459
TOK/S · 12% VRAM
S
mxbai-embed-large-v10.335B
EMBEDDING·1K CTX· EMBEDDING
459
TOK/S · 12% VRAM
S
Snowflake Arctic Embed L0.335B
EMBEDDING·1K CTX· EMBEDDING
459
TOK/S · 12% VRAM
S
GPT-2 Medium 345M0.345B
GPT2·1K CTX· CHAT
445
TOK/S · 12% VRAM
S
SmolLM2 360M0.36B
SMOLLM·8K CTX· CHAT
427
TOK/S · 12% VRAM
S
Falcon-H1 0.5B0.5B
FALCON·128K CTX· CHAT
307
TOK/S · 13% VRAM
S
Qwen 1.5 0.5B0.5B
QWEN·32K CTX· CHAT
307
TOK/S · 13% VRAM
S
Qwen 2.5 0.5B0.5B
QWEN·32K CTX· CHAT
307
TOK/S · 13% VRAM
S
BGE-M30.568B
EMBEDDING·8K CTX· EMBEDDING
270
TOK/S · 14% VRAM
S
Qwen3 0.6B0.6B
QWEN·32K CTX· CHAT· REASONING
256
TOK/S · 14% VRAM
S
GPT-2 Large 774M0.774B
GPT2·1K CTX· CHAT
198
TOK/S · 16% VRAM
S
Qwen 3.5 0.8B0.8B
QWEN·256K CTX· CHAT· CODING· MULTILINGUAL
192
TOK/S · 16% VRAM
S
Qwen3.5-0.8B0.9B
QWEN·256K CTX· CHAT
171
TOK/S · 17% VRAM
S
Falcon3-1B1B
FALCON·32K CTX· CHAT
154
TOK/S · 18% VRAM
S
InternLM2 1B1B
INTERNLM·32K CTX· CHAT
154
TOK/S · 18% VRAM
S
TinyLlama 1.1B1.1B
LLAMA·2K CTX· CHAT
140
TOK/S · 19% VRAM
S
LFM2.5-1.2B-Thinking1.2B
LFM·122K CTX· CHAT· REASONING· TOOL_USE
128
TOK/S · 20% VRAM
S
Llama-3.2-1B1.2B
LLAMA·4K CTX· CHAT
128
TOK/S · 20% VRAM
S
DeepSeek Coder 1.3B1.3B
DEEPSEEK·16K CTX· CODING
118
TOK/S · 21% VRAM
S
EXAONE-4.0-1.2B1.3B
EXAONE·64K CTX· CHAT
118
TOK/S · 21% VRAM
S
OPT 1.3B1.3B
OPT·2K CTX· CHAT
118
TOK/S · 21% VRAM
S
Phi-1 1.3B1.3B
PHI·2K CTX· CODING
118
TOK/S · 21% VRAM
S
Phi-1.5 1.3B1.3B
PHI·2K CTX· CHAT· CODING
118
TOK/S · 21% VRAM
S
granite-4.0-h-tiny 6.9B6.9BMoE
GRANITE·128K CTX· CHAT
102
TOK/S · 78% VRAM
S
Falcon-H1 1.5B1.5B
FALCON·128K CTX· CHAT· CODING
102
TOK/S · 23% VRAM
S
GPT-2 XL 1.5B1.5B
GPT2·1K CTX· CHAT
102
TOK/S · 23% VRAM
S
Qwen2.5-Coder-1.5B1.5B
QWEN·32K CTX· CHAT· TOOL_USE· CODING
102
TOK/S · 23% VRAM
S
Qwen2 Math 1.5B1.5B
QWEN·4K CTX· REASONING
102
TOK/S · 23% VRAM
S
Qwen 2.5 1.5B1.5B
QWEN·32K CTX· CHAT· CODING
102
TOK/S · 23% VRAM
S
Yi Coder 1.5B1.5B
YI·125K CTX· CODING
102
TOK/S · 23% VRAM
S
stablelm-2-1_6b1.6B
STABLELM·4K CTX· CHAT
96
TOK/S · 24% VRAM
S
SmolLM2 1.7B1.71B
SMOLLM·8K CTX· CHAT
90
TOK/S · 26% VRAM
S
Qwen3 1.7B1.7B
QWEN·32K CTX· CHAT· REASONING
90
TOK/S · 25% VRAM
S
Qwen 1.5 1.8B1.8B
QWEN·32K CTX· CHAT
85
TOK/S · 26% VRAM
S
Moondream2 1.9B1.9B
OTHER·2K CTX· VISION· CHAT
81
TOK/S · 27% VRAM
S
Gemma 1 2B2B
GEMMA·8K CTX· CHAT
77
TOK/S · 29% VRAM
S
Granite 3.0 2B2B
GRANITE·128K CTX· CHAT· CODING
77
TOK/S · 29% VRAM
▸ NEXT STEP

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See ranked models with benchmark scores, run commands, and precise speed estimates for your GeForce GTX 1660.

▸ DEVICE UNDER TEST

NVIDIA GeForce GTX 16606 GB VRAM.

GEFORCE GTX 1660 SPEC
BRAND
NVIDIA
VRAM
6 GB GDDR5
BANDWIDTH
192 GB/s
FP16 COMPUTE
10.1 TFLOPS
FP32 COMPUTE
5 TFLOPS
CUDA CORES
1,408
TDP
120 W
ARCHITECTURE
Turing
▸ AI CAPABILITY
142/ 331 models @ Q4

With 6 GB VRAM and 192 GB/s bandwidth, this GPU handles models up to 8B parameters.

Speed ≈ bandwidth / model_size × efficiency. A 7B model at Q4 runs at ~22 tok/s.

§ 01TOP MODELS FOR GEFORCE GTX 1660
142 FIT · SHOWING 20
MODELSIZEVRAM Q4TOK/SAVG
Aya Expanse 8B8B5.4 GB1927.8
Cogito 8B8B5.4 GB1917.2
DeepSeek R1 Distill Llama 8B8B5.4 GB1936.2
Gemma 3n E4B8B5.4 GB1928.8
Granite 3.3 8B8B5.4 GB1924.6
Llama-3.1-8B8B5.4 GB1923.5
Dolphin Llama 3 8B8B5.4 GB1923.8
Llama 3 8B8B5.4 GB1937.3
Tulu 3 8B8B5.4 GB1931.5
Ministral-8B8B5.4 GB1919.3
Nemotron-H 8B8B5.4 GB1978.4
Granite 8B8B5.4 GB1926.1
InternVL2 8B8B5.4 GB1944.6
MiniCPM-V 2.6 8B8B5.4 GB1940.8
RNJ-1 8B8B5.4 GB1953.5
Gemma 4 E4B8B5.4 GB1932.1
EXAONE Deep 7.8B7.8B5.3 GB2041.4
InternLM2.5 7B7.74B5.2 GB2044.8
Qwen2.5-7B7.6B5.1 GB2035.2
Qwen2.5-Coder-7B7.6B5.1 GB2031.0