AMD Athlon II X3 445 vs AMD Phenom II X3 B77

Table of Contents

Physical Specifications

Socket AMD Socket AM3 AMD Socket AM3
Process size 45 nm 45 nm
Transistors 300 million 758 million
Die size 169 mm² 258 mm²
Package µPGA µPGA

Performance

Frequency 3.1 GHz 3.2 GHz
Turbo clock
Base clock 200 MHz 200 MHz
Multiplier 15.5x 16.0x
Multiplier unlocked No No
Voltage 1.4 V 1.425 V
TDP 95 W 95 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life End-of-life
Release date May 11th, 2010 May 11th, 2010
Codename Rana Heka
Generation Athlon II X3 Phenom II X3
Part ADX445WFK32GMADX445WFGMBOX HDXB77WFK3DGM
Memory support DDR3 Dual-channel DDR3 Dual-channel
ECC memory No No
PCI Express Gen 2 Gen 2

Cores

Total Cores 3 3
Total Threads 3 3
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 6MB (shared)

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

Notes

Notes AMD Business Class processor, availability guaranteed for 24 months after release.

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