M4 Max 128GB vs RX 7800 XT

GPU AGPU B

Best verified output tok/s per model (single-stream generation). Hover a value for the quant.

Verified data on this pair is thin — most of the board is still pending review. Submit your own run and help fill the matrix: one prompt, three steps, no downloads.

M4 Max 128GB1 verified run · best 134.0 tok/s

RX 7800 XT1 verified run · best 42.0 tok/s

Model	M4 Max 128GB	RX 7800 XT
Qwen3.8-27B	134.0 4-bit	42.0 Unsloth-Dynamic-IQ4_XS

Head-to-head (models tested on both): M4 Max 128GB 1 · RX 7800 XT 0 · tied 0 · data as of Sep 29, 2026. Full rules: methodology.

Related reading: RTX 5090 vs 3090 · quantization · Value index · Full board