Intel Xeon W3670 vs Apple M3 Ultra (28C60G) Full Specs
6 Cores 12 Threads 3.2GHz | 28 Cores(20P+8E) 28 Threads(20P+8E) 4.05GHz |
TDP 130W | TDP 300W |
Bandwidth 25.6GB/s DDR3 | Bandwidth 819.2GB/s LPDDR5 |
iGPU 0 | iGPU |
·· - | ·· 21.2 TFLOPSFP16 |
Socket | Socket - |
6 Cores 6P - | 28 Cores 20P 8E |
12 Threads 12P - | 28 Threads 20P 8E |
Base Clock 3.2GHz | Base Clock 4.05GHz |
Boost Clock 3.4GHz | Boost Clock - |
Overclocking Locked | Overclocking Locked |
L1i 32KB P - | L1i 192KB P 128KB E |
L1d 32KB P - | L1d 128KB P 64KB E |
L2 256KB P - - | L2 64MB P shared 4MB E shared |
L3 12MB | L3 - |
SLC Cache - | SLC Cache 96MB |
Type DDR3 | Type LPDDR5 |
Max Memory 24GB | Max Memory 128GB |
ECC Yes | ECC No |
Channels 3 | Channels 8 |
Bus Width 192-bit | Bus Width 1024-bit |
Speed 1066MT/s | Speed 6400MT/s |
Bandwidth 25.6GB/s | Bandwidth 819.2GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 25.6GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 819.2GB/s |
TDP 130W | TDP 300W |
Max Operating Temp - | Max Operating Temp 100°C Max |
T-Case 67.9°C Max | T-Case - |
Voltage Range - | Voltage Range - |
Bus Type QPI | Bus Type - |
Bus Config 16-bit | Bus Config - |
Bus Speed 4.8GT/s | Bus Speed - |
Bus Bandwidth 9.6GB/s | Bus Bandwidth - |
- | PCIe PCIe 4.0 x3263GB/sBandwidth |
iGPU 0 | iGPU |
Shaders - | Shaders 7680 |
Boost Clock - | Boost Clock 1.38GHz |
·· - | ·· 21.2 TFLOPSFP16 |
NPU Model - | NPU Model H15 Erebus |
NPU Cores - | NPU Cores 32 |
NPU Clock - | NPU Clock 2.36GHz |
Performance - | Performance 36 TOPSFP16 |
Manufacturer | Manufacturer |
ISA x86-64 | ISA AArch64 |
Architecture | Architecture Apple Silicon 13ARMv8.6-A |
Family | Family |
Branding ![]() | Branding ![]() |
Codename Gulftown - - - | Codename Palma-D M3 UltraVariant EverestP-Core Sawtooth E-Core |
Market Segment Workstation | Market Segment Workstation |
Release Date Aug 29, 2010 | Release Date Mar 5, 2025 |
Foundry Intel | Foundry TSMC |
Fabrication Node 32nm | Fabrication Node N3B |
Die Size 240mm² | Die Size 954mm² |
Transistor Count 1.2 Billion | Transistor Count 184 Billion |
Transistor Density 5 MTr/mm² | Transistor Density 193 MTr/mm² |
No images available
No images available
Desktops - | Desktops |



