Intel Core i7-3920XM vs Intel Xeon E5649

Table of Contents

Physical Specifications

Socket Intel Socket G2 (988B) Intel Socket 1366
Foundry Intel Intel
Process size 22 nm 32 nm
Transistors 1,400 million 1,170 million
Die size 160 mm² 239 mm²
Package FC-PGA12F FC-LGA10

Performance

Frequency 2.9 GHz 2.533 GHz
Turbo clock up to 3.8 GHz up to 2.8 GHz
Base clock 100 MHz 133 MHz
Multiplier 29.0x 19.0x
Multiplier unlocked Yes No
TDP 55 W 80 W
Voltage 1.35 V

Architecture Details

Vertical Segment Mobile Server/Workstation
Production status unknown End-of-life
Release date Apr 29th, 2012 Feb 14th, 2011
Codename Ivy Bridge Westmere-EP
Generation Core i7 Xeon
Part SR0MHSR0T2 SLBZ8
Memory support DDR3 Dual-channel DDR3 Triple-channel
ECC memory No Yes
PCI Express Gen 2

Cores

Total Cores 4 6
Total Threads 8 12
SMP # CPUs 1 2
Integrated graphics Intel HD 4000

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 8MB (shared) 12MB (shared)

Notes

Notes This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. Intel HD 4000 frequency: 650-1300MHz

Features & Technologies

5.86GT/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

Compare

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