Intel Core i7-975 vs Intel Xeon X5698

Table of Contents

Physical Specifications

Socket Intel Socket 1366 Intel Socket 1366
Foundry Intel Intel
Process size 45 nm 32 nm
Transistors 731 million 1,170 million
Die size 263 mm² 239 mm²
Package FC-LGA8 FC-LGA10

Performance

Frequency 3.333 GHz 4.4 GHz
Turbo clock up to 3.6 GHz
Base clock 133 MHz 133 MHz
Multiplier 25.0x 33.0x
Multiplier unlocked Yes No
Voltage 1.375 V
TDP 130 W 130 W

Architecture Details

Vertical Segment Desktop Server/Workstation
Production status End-of-life End-of-life
Release date Jun 2nd, 2009 Feb 14th, 2011
Codename Bloomfield Westmere-EP
Generation Core i7 Xeon
Part SLBEQ SLC32
Memory support DDR3 Triple-channel DDR3 Triple-channel
ECC memory No Yes
PCI Express Gen 2 Gen 2

Cores

Total Cores 4 2
Total Threads 8 4
SMP # CPUs 1 2
Integrated graphics

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 FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. Official release date unknown. Assumed Q1 2011. This processor is reportedly only available in the HP ProLiant DL380 G7 and Dell PowerEdge R710 servers. It is assumed due to its high initial clock, this model lacks Turbo Boost.

Features & Technologies

6.4GT/s QPI Yes
AES-NI Yes
EIST Yes Yes
HTT Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SMT Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.2 Yes Yes
SSSE3 Yes
TXT Yes Yes
VT-x Yes Yes
XD-Bit Yes Yes

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