Runs more models well (grade B or better)
M4 Max (32-core GPU)
M4 Max (32-core GPU): 36 · Radeon RX 7900 XTX: 35
M4 Max (32-core GPU) runs 36 of 74 open models well and Radeon RX 7900 XTX runs 35. Here is every model on both, with the grade and the speed you would get.
Runs more models well (grade B or better)
M4 Max (32-core GPU)
M4 Max (32-core GPU): 36 · Radeon RX 7900 XTX: 35
Faster on the models both run
Radeon RX 7900 XTX · ×1.8
Median speed ratio over 35 models both load fully in memory.
Most intelligent model it runs well
M4 Max (32-core GPU)Qwen3.8 27B
Radeon RX 7900 XTXQwen3.8 27B
| M4 Max (32-core GPU) | Radeon RX 7900 XTX | |
|---|---|---|
| Memory compared | 36 GB | 24 GB |
| Memory bandwidth | 410 GB/s | 960 GB/s |
| Memory type | Unified (shared with the system) | Dedicated VRAM |
| Backend | Metal | Vulkan |
| Released | 2024 | 2022 |
Grade and output speed at Q4_K_M with an 8K context; green marks the better of the two.
Estimates from published specs and measurements, calibrated per backend. Your drivers, settings and runtime change the real numbers.
Your privacy
We use PostHog to understand how the site is used and improve it. If you accept, it stores an identifier in your browser and records your session (text fields stay hidden). If you reject, we only count the visit anonymously, without cookies. You can change this any time from the footer.