AMD Phenom II X4 955 (125W) vs Intel Xeon E5520

Table of Contents

Physical Specifications

Socket AMD Socket AM3 Intel Socket 1366
Process size 45 nm 45 nm
Transistors 758 million 731 million
Die size 258 mm² 263 mm²
Package µPGA FC-LGA8
Foundry Intel

Performance

Frequency 3.2 GHz 2.266 GHz
Turbo clock up to 2.533 GHz
Base clock 200 MHz 133 MHz
Multiplier 16.0x 17.0x
Multiplier unlocked No No
Voltage 1.4 V 1.35 V
TDP 125 W 80 W

Architecture Details

Vertical Segment Desktop Server/Workstation
Production status End-of-life End-of-life
Release date Apr 1st, 2009 Mar 30th, 2009
Codename Deneb Gainestown
Generation Phenom II X4 Xeon
Part HDX955FBK4DGIHDX955FBK4DGMHDX955FBGMBOX SLBFD
Memory support DDR3 Dual-channel DDR3 Triple-channel
ECC memory No Yes
PCI Express Gen 2 Gen 2

Cores

Total Cores 4 4
Total Threads 4 8
SMP # CPUs 1 2
Integrated graphics

Cache

Cache L1 128K (per core) 64K (per core)
Cache L2 512K (per core) 256K (per core)
Cache L3 6MB (shared) 8MB (shared)

Features & Technologies

3DNow! Yes
AMD-V Yes
AMD64 Yes
EIST Yes
HTT Yes
Intel 64 Yes
MMX Yes Yes
NX bit Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.2 Yes
SSE4A Yes
SSSE3 Yes
TXT Yes
VT-x Yes
XD-Bit Yes

Compare

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