llamaperf

NVIDIA RTX 3080 Laptop 16GB vs AMD Strix Halo 128GB for local LLMs

2 reports on the NVIDIA RTX 3080 Laptop 16GB and 82 on the AMD Strix Halo 128GB

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
AMD Strix Halo 128GB
Memory
128GB unified
Memory bandwidth
256 GB/s
FP16 compute
59 TFLOPS
Reports
82

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 16GBAMD Strix Halo 128GB
Qwen3.8 27Bno estimateQ2_K3.5 t/sFP16
Qwen3.8 125B · 6B activedoesn't fit at these settings12.6 t/sQ6_K
DeepSeek V4 Flash 284B · 13B activedoesn't fit at these settings33.5 t/sQ2_K
Qwen3.6 35B · 3B activeno estimateQ2_K12.6 t/sFP16
Qwen3.6 27Bno estimateQ2_K3.5 t/sFP16
Gemma 4 26B · 4B activeno estimateQ3_K_S9.5 t/sFP16

Change the context, RAM or model in the calculator: NVIDIA RTX 3080 Laptop 16GB · AMD Strix Halo 128GB

Every report on each card, with its source: NVIDIA RTX 3080 Laptop 16GB · AMD Strix Halo 128GB

More comparisons