Apple M3 Ultra (28C60G) vs Apple M2 Ultra (24C76G) Full Specs
28 Cores(20P+8E) 28 Threads(20P+8E) 4.05GHz | 24 Cores(16P+8E) 24 Threads(16P+8E) 3.69GHz |
TDP 300W | TDP 300W |
Bandwidth 819.2GB/s LPDDR5 | Bandwidth 819.2GB/s LPDDR5 |
iGPU | iGPU |
·· 21.2 TFLOPSFP16 | ·· 27.2 TFLOPSFP16 |
28 Cores 20P 8E | 24 Cores 16P 8E |
28 Threads 20P 8E | 24 Threads 16P 8E |
Base Clock 4.05GHz | 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 64MB P shared 4MB E shared | L2 48MB P shared 4MB E shared |
SLC Cache 96MB | SLC Cache 96MB |
Type LPDDR5 | Type LPDDR5 |
Max Memory 128GB | Max Memory 192GB |
ECC No | ECC No |
Channels 8 | Channels 8 |
Bus Width 1024-bit | Bus Width 1024-bit |
Speed 6400MT/s | Speed 6400MT/s |
Bandwidth 819.2GB/s | Bandwidth 819.2GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 300W | TDP 300W |
Max Operating Temp 100°C Max | Max Operating Temp 100°C Max |
PCIe PCIe 4.0 x3263GB/sBandwidth | PCIe PCIe 4.0 x3263GB/sBandwidth |
iGPU | iGPU |
Shaders 7680 | Shaders 9728 |
Boost Clock 1.38GHz | Boost Clock 1.4GHz |
·· 21.2 TFLOPSFP16 | ·· 27.2 TFLOPSFP16 |
NPU Model H15 Erebus | NPU Model H14 Selene |
NPU Cores 32 | NPU Cores 32 |
NPU Clock 2.36GHz | NPU Clock 2.1GHz |
Performance 36 TOPSFP16 | Performance 31.6 TOPSFP16 |
Manufacturer | Manufacturer |
ISA AArch64 | ISA AArch64 |
Architecture Apple Silicon 13ARMv8.6-A | Architecture Apple Silicon 11ARMv8.5-A |
Family | Family |
Branding  | Branding  |
Codename Palma-D M3 UltraVariant EverestP-Core Sawtooth E-Core | Codename Rhodes-2C M2 UltraVariant AvalancheP-Core BlizzardE-Core |
Market Segment Workstation | Market Segment Workstation |
Release Date Mar 5, 2025 | Release Date Jun 5, 2023 |
Foundry TSMC | Foundry TSMC |
Fabrication Node N3B | Fabrication Node N5P |
Die Size 954mm² | Die Size 971mm² |
Transistor Count 184 Billion | Transistor Count 134 Billion |
Transistor Density 193 MTr/mm² | Transistor Density 138 MTr/mm² |
