llamaperf

AMD RX 480 8GB vs AMD Strix Halo 128GB for local LLMs

0 reports on the AMD RX 480 8GB and 317 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. Memory bandwidth, which caps how fast a card can write, is about the same on both (256 GB/s on the AMD RX 480 8GB, 256 on the AMD Strix Halo 128GB). The estimates below compare them on the models people run most.

AMD RX 480 8GB
Memory
8GB
Memory bandwidth
256 GB/s
FP16 compute
5.8 TFLOPS
Reports
0
AMD Strix Halo 128GB
Memory
128GB unified
Memory bandwidth
256 GB/s
FP16 compute
59 TFLOPS
Reports
317

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.

ModelAMD RX 480 8GBAMD Strix Halo 128GB
Qwen3.8 27B1.6 t/sQ6_K, layers on CPU3.5 t/sFP16
Qwen3.8 125B · 6B activedoesn't fit at these settings12.6 t/sQ6_K
Qwen3.6 35B · 3B active14.3 t/sQ5_K_M, experts in RAM12.6 t/sFP16
DeepSeek V4 Flash 284B · 13B activedoesn't fit at these settings33.5 t/sQ2_K
Qwen3.6 27B1.6 t/sQ6_K, layers on CPU3.5 t/sFP16
Gemma 4 26B · 4B active9.1 t/sQ6_K, experts in RAM9.5 t/sFP16

Change the context, RAM or model in the calculator: AMD RX 480 8GB · AMD Strix Halo 128GB

Every report on each card, with its source: AMD RX 480 8GB · AMD Strix Halo 128GB

More comparisons