AMD Athlon II X4 640 vs AMD FX-4350

Table of Contents

Physical Specifications

Socket AMD Socket AM3 AMD Socket AM3+
Process size 45 nm 32 nm
Transistors 300 million 1,200 million
Die size 169 mm² 315 mm²
Package µPGA FC-PGA

Performance

Frequency 3 GHz 4.2 GHz
Turbo clock up to 4.3 GHz
Base clock 200 MHz 200 MHz
Multiplier 15.0x 19.5x
Multiplier unlocked No No
Voltage 1.4 V 1.4 V
TDP 95 W 125 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life Active
Release date May 11th, 2010 Apr 29th, 2013
Codename Propus Vishera
Generation Athlon II X4 FX
Part ADX640WFK42GMADX640WFGMBOX FD4350FRW4KHK
Memory support DDR3 Dual-channel 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) 288K
Cache L2 512K (per core) 4MB
Cache L3 8MB (shared)

Features & Technologies

3DNow! Yes
AES Yes
AMD-V Yes Yes
AMD64 Yes Yes
AVX Yes
CLMUL Yes
CVT16 Yes
EVP Yes
FMA4 Yes
HT3.1 Yes
MMX Yes Yes
NX bit Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes
SSE4.2 Yes
SSE4A Yes Yes
SSSE3 Yes
Turbo Core Yes
XOP Yes

Compare

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