Apple M1 Ultra (20C48G) vs Intel Core i9-11900K Full Specs
20 Cores(16P+4E) 20 Threads(16P+4E) 3.23GHz | 8 Cores 16 Threads 3.5GHz |
TDP 220W | TDP 125W |
Bandwidth 819.2GB/s LPDDR5 | Bandwidth 51.2GB/s DDR4 |
iGPU | iGPU |
·· 15.93 TFLOPSFP16 | ·· 1.33 TFLOPSFP16 |
Socket - | Socket |
20 Cores 16P 4E | 8 Cores 8P - |
20 Threads 16P 4E | 16 Threads 16P - |
Base Clock 3.23GHz | Base Clock 3.5GHz |
Boost Clock - | Boost Clock 5.2GHz |
Overclocking Locked | Overclocking Unlocked |
L1i 192KB P 128KB E | L1i 32KB P - |
L1d 128KB P 64KB E | L1d 48KB P - |
L2 48MB P shared 4MB E shared | L2 512KB P - - |
L3 - | L3 16MB |
SLC Cache 96MB | SLC Cache - |
Type LPDDR5 | Type DDR4 |
Max Memory 128GB | Max Memory 128GB |
ECC No | ECC No |
Channels 8 | Channels 2 |
Bus Width 1024-bit | Bus Width 128-bit |
Speed 6400MT/s | Speed 3200MT/s |
Bandwidth 819.2GB/s | Bandwidth 51.2GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 220W | TDP 125W |
Peak Power - | Peak Power 295W |
Max Operating Temp 100°C Max | Max Operating Temp 100°C Max |
Included Cooler - | Included Cooler 0 |
Bus Type - | Bus Type DMI |
Bus Config - | Bus Config 8 lanes |
Bus Speed - | Bus Speed 8GT/s |
Bus Bandwidth - | Bus Bandwidth 8GB/s |
PCIe PCIe 4.0 x2855.1GB/sBandwidth | PCIe PCIe 4.0 x2039.4GB/sBandwidth |
iGPU | iGPU |
Shaders 6144 | Shaders 256 |
Boost Clock 1.3GHz | Boost Clock 1.3GHz |
·· 15.93 TFLOPSFP16 | ·· 1.33 TFLOPSFP16 |
NPU Model H13 Eos | NPU Model GNA 2.0 |
NPU Cores 32 | NPU Cores - |
NPU Clock 1.5GHz | NPU Clock - |
Performance 22 TOPSFP16 | Performance - |
Manufacturer | Manufacturer |
ISA AArch64 | ISA x86-64 |
Architecture Apple Silicon 10ARMv8.5-A | Architecture |
Family | Family |
Branding  | Branding  |
Codename Jade-2C M1 UltraVariant FirestormP-Core IcestormE-Core | Codename Rocket Lake-S - Cypress CoveP-Core - |
Market Segment Workstation | Market Segment Desktop |
Release Date Mar 8, 2022 | Release Date Mar 16, 2021 |
Foundry TSMC | Foundry Intel |
Fabrication Node N5 | Fabrication Node 14nm++++ |
Die Size 865mm² | Die Size 276mm² |
Transistor Count 114 Billion | Transistor Count 6.9 Billion |
Transistor Density 132 MTr/mm² | Transistor Density 25 MTr/mm² |
Desktops | Desktops - |
