AMD Athlon II X4 645 vs Intel Core 2 Extreme QX6700

Table of Contents

Physical Specifications

Socket AMD Socket AM3 Intel Socket 775
Process size 45 nm 65 nm
Transistors 300 million 582 million
Die size 169 mm² 2x 143 mm²
Package µPGA FC-LGA6
Foundry Intel
tCaseMax 64°C

Performance

Frequency 3.1 GHz 2.666 GHz
Turbo clock
Base clock 200 MHz 266 MHz
Multiplier 15.5x 10.0x
Multiplier unlocked No Yes
Voltage 1.4 V 1.34 V
TDP 95 W 130 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life End-of-life
Release date Sep 21st, 2010 Nov 1st, 2006
Codename Propus Kentsfield
Generation Athlon II X4 Core 2 Extreme
Part ADX645WFK42GMADX645WFGMBOX SL9UL
Memory support 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 128K (per core) 64K (per core)
Cache L2 512K (per core) 8MB (shared)

Features & Technologies

3DNow! Yes
AMD-V Yes
AMD64 Yes
EIST Yes
Intel 64 Yes
MMX Yes Yes
NX bit Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4A Yes
SSSE3 Yes
VT-x Yes
iAMT2 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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