M1 Ultra
Top-tier member of the M1 family
2 variants
| Spec | M1 Ultra 20c CPU / 64c GPU |
M1 Ultra 20c CPU / 48c GPU |
|---|---|---|
| CPU | ||
| CPU Cores | 20 | 20 |
| Performance Cores | 16 | 16 |
| Performance Core Speed (GHz) | 3.2 | 3.2 |
| Efficiency Cores | 4 | 4 |
| Efficiency Core Speed (GHz) | 2.06 | 2.06 |
| L2 Cache (MB) | 96 | 96 |
| SLC Cache (MB) | 96 | 96 |
| GPU | ||
| GPU cores | 64 | 48 |
| Execution Units | 1024 | 768 |
| ALU Count | 8192 | 6144 |
| TFLOPS | 21.2 | 15.8 |
| GPU Vendor | 4th-gen Apple | 4th-gen Apple |
| NPU | ||
| Neural Engine cores | 32 | 32 |
| Neural Engine TOPS | 22 | 22 |
| Memory | ||
| Memory bandwidth (GB/s) | 819.2 | 819.2 |
| Memory bus width (bits) | 1024 | 1024 |
| Memory channels | 8 | 8 |
| Memory channel width (bits) | 128 | 128 |
| Memory type | LPDDR5-6400 | LPDDR5-6400 |
| Memory options (GB) |
64 128 |
64 128 |
| Media Engine | ||
| Hardware Acceleration |
H264 HEVC ProRes ProRes RAW |
H264 HEVC ProRes ProRes RAW |
| Video Decode | 2 | 2 |
| Video Encode | 4 | 4 |
| ProRes Engines | 4 | 4 |
| Semiconductor Tech | ||
| Process node (nm) | 5 | 5 |
| Transistors (billion) | 114 | 114 |
| Release date | 2022-03-18 | 2022-03-18 |