Head to head

Mac Studio M4 Max 128GB vs Radeon RX 7900 XTX

The Mac Studio M4 Max 128GB holds more — 128 GB against 24 GB — which decides what you can load at all. The Radeon RX 7900 XTX has more bandwidth at 960 GB/s, which decides how fast tokens come out once a model fits.

Model (Q4_K_M, 8K)Mac Studio M4 Max 128GBtok/sRadeon RX 7900 XTXtok/s
Llama 3.1 8B Runs comfortably 67.8 Runs comfortably 105
Llama 3.1 70B Runs comfortably 8.48 Won't fit 1.52
Llama 3.2 3B Runs comfortably 150 Runs comfortably 230
Llama 3.2 1B Runs comfortably 400 Runs comfortably 609
Llama 4 Scout 109B-A17B Runs comfortably 28.7 Won't fit 4.91
Qwen3 8B Runs comfortably 65.6 Runs comfortably 101
Qwen3 14B Runs comfortably 38.3 Runs comfortably 59.3
Qwen3 32B Runs comfortably 17.8 Fits, but tight 27.6
Qwen3 4B Runs comfortably 120 Runs comfortably 183
Qwen3 30B-A3B Runs comfortably 86.4 Runs comfortably 112
Qwen3 235B-A22B Won't fit 7.42 Won't fit 3.07
Qwen2.5-Coder 32B Runs comfortably 17.8 Fits, but tight 27.6
Qwen2.5 7B Runs comfortably 75.3 Runs comfortably 116
Qwen2.5 72B Runs comfortably 8.24 Won't fit 1.44
Gemma 3 4B Runs comfortably 128 Runs comfortably 196
Gemma 3 12B Runs comfortably 46.1 Runs comfortably 71.1

Specifications

Mac Studio M4 Max 128GBRadeon RX 7900 XTX
Memory128 GB24 GB
Bandwidth546 GB/s960 GB/s
FP16 compute34 TFLOPS123 TFLOPS
Launch price$3,499$999
ArchitectureM4RDNA3