Intel Core 2 Quad Q9400 vs Intel Core 2 Quad Q9650

Table of Contents

Physical Specifications

Socket Intel Socket 775 Intel Socket 775
Foundry Intel Intel
Process size 45 nm 45 nm
Transistors 456 million 820 million
Die size 2x 81 mm² 2x 107 mm²
Package FC-LGA6 FC-LGA6
tCaseMax 71°C

Performance

Frequency 2.666 GHz 3 GHz
Turbo clock
Base clock 333 MHz 333 MHz
Multiplier 8.0x 9.0x
Multiplier unlocked No No
Voltage 1.11 V 1.3625 V
TDP 95 W 95 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life End-of-life
Release date Aug 10th, 2008 Aug 10th, 2008
Codename Yorkfield Yorkfield
Generation Core 2 Quad Core 2 Quad
Part SLB6B SLB8W
Memory support DDR1, DDR2, DDR3 Dual-channel DDR1, DDR2, DDR3 Dual-channel
ECC memory No No
PCI Express Gen 2 Gen 2

Cores

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

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 6MB (shared) 6MB (per die)

Features & Technologies

EIST Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes Yes
TXT Yes Yes
VT-x Yes Yes
iAMT2 Yes Yes

Compare

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