Socket | Intel Socket 1356 | Intel Socket 1366 |
---|---|---|
Foundry | Intel | Intel |
Process size | 32 nm | 32 nm |
Transistors | 1,270 million | 1,170 million |
Die size | 294 mm² | 239 mm² |
Package | — | FC-LGA10 |
Frequency | 2.8 GHz | 3.2 GHz |
---|---|---|
Turbo clock | up to 3.2 GHz | up to 3.6 GHz |
Base clock | 100 MHz | 133 MHz |
Multiplier | 28.0x | 24.0x |
Multiplier unlocked | No | No |
Voltage | 1.35 V | 1.35 V |
TDP | 80 W | 95 W |
Vertical Segment | Server/Workstation | Server/Workstation |
---|---|---|
Production status | unknown | End-of-life |
Release date | May 14th, 2012 | Feb 14th, 2011 |
Codename | Sandy Bridge-EN | Westmere-EP |
Generation | Xeon E5 | Xeon |
Part | SR0RM | SLBYK |
Memory support | DDR3 | DDR3 Triple-channel |
ECC memory | Yes | Yes |
PCI Express | — | Gen 2 |
Total Cores | 4 | 4 |
---|---|---|
Total Threads | 8 | 8 |
SMP # CPUs | 1 | 2 |
Integrated graphics | — | — |
Cache L1 | 64K (per core) | 64K (per core) |
---|---|---|
Cache L2 | 256K (per core) | 256K (per core) |
Cache L3 | 10MB (shared) | 12MB (shared) |
6.4GT/s QPI | — | Yes |
---|---|---|
AES-NI | Yes | Yes |
AVX | Yes | — |
EIST | Yes | Yes |
HTT | Yes | Yes |
Intel 64 | Yes | Yes |
MMX | Yes | Yes |
SSE | Yes | Yes |
SSE2 | Yes | Yes |
SSE3 | Yes | Yes |
SSE4.2 | Yes | Yes |
SSSE3 | Yes | Yes |
TXT | Yes | Yes |
VT-d | Yes | — |
VT-x | Yes | Yes |
XD bit | Yes | — |
XD-Bit | — | Yes |