Intel Core i7-950 vs Intel Core i7-990X

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 3.066 GHz 3.466 GHz
Turbo clock up to 3.333 GHz up to 3.733 GHz
Base clock 133 MHz 133 MHz
Multiplier 23.0x 26.0x
Multiplier unlocked No Yes
Voltage 1.375 V 1.375 V
TDP 130 W 130 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life End-of-life
Release date Jun 2nd, 2009 Feb 24th, 2011
Codename Bloomfield Gulftown
Generation Core i7 Core i7
Part SLBEN SLBVZ
Memory support DDR3 Triple-channel DDR3 Triple-channel
ECC memory No No
PCI Express Gen 2 Gen 2

Cores

Total Cores 4 6
Total Threads 8 12
SMP # CPUs 1 1
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)

Features & Technologies

EIST 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
TXT Yes
VT-x Yes
XD-Bit Yes

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.

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