AMD Athlon II X2 270 vs AMD Athlon II X4 640

Table of Contents

Physical Specifications

Socket AMD Socket AM3 AMD Socket AM3
Process size 45 nm 45 nm
Transistors 410 million 300 million
Die size 117 mm² 169 mm²
Package µPGA µPGA


Frequency 3.4 GHz 3 GHz
Turbo clock
Base clock 200 MHz 200 MHz
Multiplier 17.0x 15.0x
Multiplier unlocked No No
Voltage 1.15 V 1.4 V
TDP 65 W 95 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life End-of-life
Release date Jul 1st, 2011 May 11th, 2010
Codename Regor Propus
Generation Athlon II X2 Athlon II X4
Memory support DDR2, DDR3 Dual-channel DDR3 Dual-channel
ECC memory No No
PCI Express Gen 2 Gen 2


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


Cache L1 128K 128K (per core)
Cache L2 1MB 512K (per core)

Features & Technologies

3DNow! Yes Yes
AMD-V Yes Yes
AMD64 Yes Yes
MMX Yes Yes
NX bit Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4A Yes Yes


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