Apple M1 Ultra (20C48G) vs Apple M2 Max (12C30G) Full Specs
20 Cores(16P+4E) 20 Threads(16P+4E) 3.23GHz | 12 Cores(8P+4E) 12 Threads(8P+4E) 3.69GHz |
TDP 220W | TDP 140W |
Bandwidth 819.2GB/s LPDDR5 | Bandwidth 409.6GB/s LPDDR5 |
iGPU | iGPU |
·· 15.93 TFLOPSFP16 | ·· 10.74 TFLOPSFP16 |
M1 Ultra (20C48G)2,400
M2 Max (12C30G)2,82520 Cores 16P 4E | 12 Cores 8P 4E |
20 Threads 16P 4E | 12 Threads 8P 4E |
Base Clock 3.23GHz | Base Clock 3.69GHz |
Overclocking Locked | Overclocking Locked |
L1i 192KB P 128KB E | L1i 192KB P 128KB E |
L1d 128KB P 64KB E | L1d 128KB P 64KB E |
L2 48MB P shared 4MB E shared | L2 24MB P shared 4MB E shared |
SLC Cache 96MB | SLC Cache 48MB |
Type LPDDR5 | Type LPDDR5 |
Max Memory 128GB | Max Memory 64GB |
ECC No | ECC No |
Channels 8 | Channels 4 |
Bus Width 1024-bit | Bus Width 512-bit |
Speed 6400MT/s | Speed 6400MT/s |
Bandwidth 819.2GB/s | Bandwidth 409.6GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 819.2GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 409.6GB/s |
TDP 220W | TDP 140W |
Max Operating Temp 100°C Max | Max Operating Temp 100°C Max |
PCIe PCIe 4.0 x2855.1GB/sBandwidth | PCIe PCIe 4.0 x1631.5GB/sBandwidth |
iGPU | iGPU |
Shaders 6144 | Shaders 3840 |
Boost Clock 1.3GHz | Boost Clock 1.4GHz |
·· 15.93 TFLOPSFP16 | ·· 10.74 TFLOPSFP16 |
NPU Model H13 Eos | NPU Model H14 Selene |
NPU Cores 32 | NPU Cores 16 |
NPU Clock 1.5GHz | NPU Clock 2.1GHz |
Performance 22 TOPSFP16 | Performance 15.8 TOPSFP16 |
Manufacturer | Manufacturer |
ISA AArch64 | ISA AArch64 |
Architecture Apple Silicon 10ARMv8.5-A | Architecture Apple Silicon 11ARMv8.5-A |
Family | Family |
Branding  | Branding  |
Codename Jade-2C M1 UltraVariant FirestormP-Core IcestormE-Core | Codename Rhodes-1C M2 MaxVariant AvalancheP-Core BlizzardE-Core |
Market Segment Workstation | Market Segment Desktop |
Release Date Mar 8, 2022 | Release Date Jan 17, 2023 |
Foundry TSMC | Foundry TSMC |
Fabrication Node N5 | Fabrication Node N5P |
Die Size 865mm² | Die Size 486mm² |
Transistor Count 114 Billion | Transistor Count 67 Billion |
Transistor Density 132 MTr/mm² | Transistor Density 138 MTr/mm² |
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