Hardware
91 GPUs, chips and CPU configurations
Advertised memory and peak bandwidth as published by each vendor. “Usable” is what a runtime can actually claim once the display and driver reserve is gone — that is the number every fit on this site is measured against.
AMD · Instinct
| Device | Memory | Bandwidth | Usable | Architecture | Models that fit | |
|---|---|---|---|---|---|---|
| Instinct MI210 | 64 GB HBM2e | 1638 GB/s | 62.4 GB | CDNA 2 | 61 of 80 | Open |
AMD · Ryzen AI Max
| Device | Memory | Bandwidth | Usable | Architecture | Models that fit | |
|---|---|---|---|---|---|---|
| Ryzen AI Max+ 395 · 64 GB | 64 GB LPDDR5X unified | 256 GB/s | 48.0 GB | Strix Halo | 60 of 80 | Open |
Apple · Apple Silicon
| Device | Memory | Bandwidth | Usable | Architecture | Models that fit | |
|---|---|---|---|---|---|---|
| M1 Max · 64 GB | 64 GB LPDDR5 unified | 400 GB/s | 48.0 GB | M1 Max | 60 of 80 | Open |
| M3 Max · 64 GB | 64 GB LPDDR5 unified | 400 GB/s | 48.0 GB | M3 Max | 60 of 80 | Open |
| M4 Pro · 64 GB | 64 GB LPDDR5X unified | 273 GB/s | 48.0 GB | M4 Pro | 60 of 80 | Open |
| M4 Max · 64 GB | 64 GB LPDDR5X unified | 410 GB/s | 48.0 GB | M4 Max | 60 of 80 | Open |
CPU · CPU + system RAM
| Device | Memory | Bandwidth | Usable | Architecture | Models that fit | |
|---|---|---|---|---|---|---|
| CPU only · DDR5 dual-channel | 64 GB System RAM | 90 GB/s | 51.2 GB | DDR5-5600 | 60 of 80 | Open |
Missing a card? The table is hand-maintained, not scraped — every row was typed from the vendor's own spec sheet, which is why there are 91 of them and not ten thousand.