llamaperf

NVIDIA GTX 1080 Ti vs NVIDIA RTX 3060 12GB for local LLMs

2 reports on the NVIDIA GTX 1080 Ti and 46 on the NVIDIA RTX 3060 12GB

Which is faster for local LLMs?

Nobody has reported the same model at the same quant on both cards yet, so there's no measured head-to-head. Memory bandwidth, which caps how fast a card can write, is 34% higher on the NVIDIA GTX 1080 Ti (484 GB/s on the NVIDIA GTX 1080 Ti, 360 on the NVIDIA RTX 3060 12GB). The estimates below compare them on the models people run most.

NVIDIA GTX 1080 Ti
Memory
11GB
Memory bandwidth
484 GB/s
FP16 compute
11.3 TFLOPS
Reports
2
NVIDIA RTX 3060 12GB
Memory
12GB
Memory bandwidth
360 GB/s
FP16 compute
51 TFLOPS
Reports
46

Estimated by the calculator

The quant the calculator recommends for each card and its estimated speed at a 32,768-token context with 32 GB of system RAM, from memory bandwidth and the model's shape.

ModelNVIDIA GTX 1080 TiNVIDIA RTX 3060 12GB
Qwen3.8 27B1.6 t/sQ8_0, layers on CPU1.5 t/sQ8_0, layers on CPU
Qwen3.8 125B · 6B activedoesn't fit at these settingsdoesn't fit at these settings
DeepSeek V4 Flash 284B · 13B activedoesn't fit at these settingsdoesn't fit at these settings
Qwen3.6 35B · 3B active13.8 t/sQ6_K, experts in RAM13.1 t/sQ6_K, experts in RAM
Qwen3.6 27B1.6 t/sQ8_0, layers on CPU1.5 t/sQ8_0, layers on CPU
Gemma 4 26B · 4B active8.4 t/sQ8_0, experts in RAM58.8 t/sQ2_K

Change the context, RAM or model in the calculator: NVIDIA GTX 1080 Ti · NVIDIA RTX 3060 12GB

Every report on each card, with its source: NVIDIA GTX 1080 Ti · NVIDIA RTX 3060 12GB

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