llamaperf

NVIDIA RTX 3080 Laptop 16GB vs NVIDIA RTX 5070 Ti for local LLMs

2 reports on the NVIDIA RTX 3080 Laptop 16GB and 30 on the NVIDIA RTX 5070 Ti

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. The estimates below compare them on the models people run most.

NVIDIA RTX 3080 Laptop 16GB
Memory
16GB
Memory bandwidth
not on record
FP16 compute
not on record
Reports
2
NVIDIA RTX 5070 Ti
Memory
16GB
Memory bandwidth
896 GB/s
FP16 compute
176 TFLOPS
Reports
30

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 RTX 3080 Laptop 16GBNVIDIA RTX 5070 Ti
Qwen3.8 27Bno estimateQ2_K58.4 t/sQ2_K
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 activeno estimateQ2_K193.2 t/sQ2_K
Qwen3.6 27Bno estimateQ2_K58.4 t/sQ2_K
Gemma 4 26B · 4B activeno estimateQ3_K_S130.3 t/sQ3_K_S

Change the context, RAM or model in the calculator: NVIDIA RTX 3080 Laptop 16GB · NVIDIA RTX 5070 Ti

Every report on each card, with its source: NVIDIA RTX 3080 Laptop 16GB · NVIDIA RTX 5070 Ti

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