Apple M1 Ultra (20C48G) vs Intel Xeon w5-2565X Full Specs
20 Cores(16P+4E) 20 Threads(16P+4E) 3.23GHz | 18 Cores 36 Threads 3.2GHz |
TDP 220W | TDP 240W |
Bandwidth 819.2GB/s LPDDR5 | Bandwidth 153.6GB/s DDR5 |
iGPU | iGPU 0 |
·· 15.93 TFLOPSFP16 | ·· - |
Socket - | Socket |
20 Cores 16P 4E | 18 Cores 18P - |
20 Threads 16P 4E | 36 Threads 36P - |
Base Clock 3.23GHz | Base Clock 3.2GHz |
Boost Clock - | Boost Clock 4.8GHz |
Overclocking Locked | Overclocking Locked |
L1i 192KB P 128KB E | L1i 32KB P - |
L1d 128KB P 64KB E | L1d 48KB P - |
L2 48MB P shared 4MB E shared | L2 2MB P - - |
L3 - | L3 37.5MB |
SLC Cache 96MB | SLC Cache - |
Type LPDDR5 | Type DDR5 |
Max Memory 128GB | Max Memory 2.05TB |
ECC No | ECC Yes |
Channels 8 | Channels 4 |
Bus Width 1024-bit | Bus Width 256-bit |
Speed 6400MT/s | Speed 4800MT/s |
Bandwidth 819.2GB/s | Bandwidth 153.6GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 819.2GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 153.6GB/s |
TDP 220W | TDP 240W |
Peak Power - | Peak Power 288W |
Max Operating Temp 100°C Max | Max Operating Temp 100°C Max |
T-Case - | T-Case 79°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 5.0 x64252GB/sBandwidth |
iGPU | iGPU 0 |
Shaders 6144 | Shaders - |
Boost Clock 1.3GHz | Boost Clock - |
·· 15.93 TFLOPSFP16 | ·· - |
NPU Model H13 Eos | NPU Model DL Boost |
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 Sapphire Rapids-WS Sapphire Rapids-MCCVariant Golden CoveP-Core - |
Market Segment Workstation | Market Segment Workstation |
Release Date Mar 8, 2022 | Release Date Jul 1, 2024 |
Foundry TSMC | Foundry Intel |
Fabrication Node N5 | Fabrication Node Intel 7 |
Die Size 865mm² | Die Size 770mm² |
Transistor Count 114 Billion | Transistor Count 53.9 Billion |
Transistor Density 132 MTr/mm² | Transistor Density 70 MTr/mm² |
No images available
No images available
Desktops | Desktops - |



