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GPU comparison

MacBook Air/Pro M5 (16GB) vs AMD RX 9070 XT (16GB) for local LLMs

How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 34 tracked models each one can run.

MacBook Air/Pro M5 (16GB)AMD RX 9070 XT (16GB)
Memory16.0 GB16.0 GB
Bandwidth153 GB/s645 GB/s
Price (approx)$1,099$699
LLMs it runs13 of 3418 of 34
Best model it runsDevstral Small 2 24B · 10–15 tok/sGemma 4 26B-A4B (MoE) · 132–198 tok/s

The AMD RX 9070 XT (16GB) runs 5 more of the tracked models (18 vs 13). With the same nominal memory, more of it is usable for model weights on this architecture. The AMD RX 9070 XT (16GB) has more memory bandwidth (645 GB/s), so it generates tokens faster at the same model and quant.

What the MacBook Air/Pro M5 (16GB) runs →What the AMD RX 9070 XT (16GB) runs →Open the calculator →