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AMD Radeon AI PRO R9700 32GB vs AMD Radeon Pro W7800 48GB for local LLMs

43 reports on the AMD Radeon AI PRO R9700 32GB and 1 on the AMD Radeon Pro W7800 48GB

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 35% higher on the AMD Radeon Pro W7800 48GB (640 GB/s on the AMD Radeon AI PRO R9700 32GB, 864 on the AMD Radeon Pro W7800 48GB). The estimates below compare them on the models people run most.

AMD Radeon AI PRO R9700 32GB
Memory
32GB
Memory bandwidth
640 GB/s
FP16 compute
191 TFLOPS
Reports
43
AMD Radeon Pro W7800 48GB
Memory
48GB
Memory bandwidth
864 GB/s
FP16 compute
90.4 TFLOPS
Reports
1

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 AI PRO R9700 32GBAMD Radeon Pro W7800 48GB
Qwen3.8 27B16.0 t/sQ6_K17.6 t/sQ8_0
Qwen3.8 125B · 6B active18.7 t/sQ2_K, experts in RAM80.1 t/sQ2_K
DeepSeek V4 Flash 284B · 13B activedoesn't fit at these settingsdoesn't fit at these settings
Qwen3.6 35B · 3B active58.2 t/sQ5_K_M55.4 t/sQ8_0
Qwen3.6 27B16.0 t/sQ6_K17.6 t/sQ8_0
Gemma 4 26B · 4B active40.9 t/sQ6_K47.5 t/sQ8_0

Change the context, RAM or model in the calculator: AMD Radeon AI PRO R9700 32GB · AMD Radeon Pro W7800 48GB

Every report on each card, with its source: AMD Radeon AI PRO R9700 32GB · AMD Radeon Pro W7800 48GB

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