AMD Athlon II X3 455 vs AMD Phenom X4 9950 BE (125W)

Table of Contents

Physical Specifications

Socket AMD Socket AM3 AMD Socket AM2+
Process size 45 nm 65 nm
Transistors 300 million 450 million
Die size 169 mm² 285 mm²
Package µPGA µPGA

Performance

Frequency 3.3 GHz 2.6 GHz
Turbo clock
Base clock 200 MHz 200 MHz
Multiplier 16.5x 13.0x
Multiplier unlocked No Yes
Voltage 1.4 V 1.3 V
TDP 95 W 125 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life End-of-life
Release date Dec 7th, 2010 Oct 1st, 2008
Codename Rana Agena
Generation Athlon II X3 Phenom X4
Part ADX455WFK32GMADX455WFGMBOX HD995ZXAJ4BGH
Memory support DDR3 Dual-channel unknown Dual-channel
ECC memory No No
PCI Express Gen 2 Gen 2

Cores

Total Cores 3 4
Total Threads 3 4
SMP # CPUs 1 1
Integrated graphics

Cache

Cache L1 128K (per core) 128K (per core)
Cache L2 512K (per core) 512K (per core)
Cache L3 2MB (shared)

Features & Technologies

3DNow! Yes Yes
AMD-V Yes Yes
AMD64 Yes Yes
CnQ Yes
HT3.0 Yes
MMX Yes Yes
NX bit Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4A Yes Yes

Notes

Notes This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Black Edition label.

Compare

Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.