llamaperf

AMD Radeon Pro V620 32GB vs AMD Radeon Pro W7800 32GB for local LLMs

12 reports on the AMD Radeon Pro V620 32GB and 0 on the AMD Radeon Pro W7800 32GB

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 13% higher on the AMD Radeon Pro W7800 32GB (512 GB/s on the AMD Radeon Pro V620 32GB, 576 on the AMD Radeon Pro W7800 32GB). The estimates below compare them on the models people run most.

AMD Radeon Pro V620 32GB
Memory
32GB
Memory bandwidth
512 GB/s
FP16 compute
41.5 TFLOPS
Reports
12
AMD Radeon Pro W7800 32GB
Memory
32GB
Memory bandwidth
576 GB/s
FP16 compute
90.4 TFLOPS
Reports
0

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 Radeon Pro V620 32GBAMD Radeon Pro W7800 32GB
Qwen3.8 27B12.8 t/sQ6_K14.4 t/sQ6_K
Qwen3.8 125B · 6B active18.1 t/sQ2_K, experts in RAM18.4 t/sQ2_K, experts in RAM
Qwen3.6 35B · 3B active46.6 t/sQ5_K_M52.4 t/sQ5_K_M
DeepSeek V4 Flash 284B · 13B activedoesn't fit at these settingsdoesn't fit at these settings
Qwen3.6 27B12.8 t/sQ6_K14.4 t/sQ6_K
Gemma 4 26B · 4B active32.7 t/sQ6_K36.8 t/sQ6_K

Change the context, RAM or model in the calculator: AMD Radeon Pro V620 32GB · AMD Radeon Pro W7800 32GB

Every report on each card, with its source: AMD Radeon Pro V620 32GB · AMD Radeon Pro W7800 32GB

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