M4 16GB vs AMD Radeon AI PRO R9700 32GB for local LLMs
26 reports on the M4 16GB and 63 on the AMD Radeon AI PRO R9700 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 5.3x higher on the AMD Radeon AI PRO R9700 32GB (120 GB/s on the M4 16GB, 640 on the AMD Radeon AI PRO R9700 32GB). The estimates below compare them on the models people run most.
- Memory
- 16GB unified
- Memory bandwidth
- 120 GB/s
- FP16 compute
- 4.3 TFLOPS
- Reports
- 26
- Memory
- 32GB
- Memory bandwidth
- 640 GB/s
- FP16 compute
- 191 TFLOPS
- Reports
- 63
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.
| Model | M4 16GB | AMD Radeon AI PRO R9700 32GB |
|---|---|---|
| Qwen3.8 27B | doesn't fit at these settings | 16.0 t/sQ6_K |
| Qwen3.8 125B · 6B active | doesn't fit at these settings | 18.7 t/sQ2_K, experts in RAM |
| Qwen3.6 35B · 3B active | doesn't fit at these settings | 58.2 t/sQ5_K_M |
| DeepSeek V4 Flash 284B · 13B active | doesn't fit at these settings | doesn't fit at these settings |
| Qwen3.6 27B | doesn't fit at these settings | 16.0 t/sQ6_K |
| Gemma 4 26B · 4B active | doesn't fit at these settings | 40.9 t/sQ6_K |
Change the context, RAM or model in the calculator: M4 16GB · AMD Radeon AI PRO R9700 32GB
Every report on each card, with its source: M4 16GB · AMD Radeon AI PRO R9700 32GB