AMD Phenom II X4 905e vs Intel Xeon E5603

Table of Contents

Physical Specifications

Socket AMD Socket AM3 Intel Socket 1366
Process size 45 nm 32 nm
Transistors 758 million 1,170 million
Die size 258 mm² 239 mm²
Package µPGA FC-LGA10
Foundry Intel

Performance

Frequency 2.5 GHz 1600 MHz
Turbo clock
Base clock 200 MHz 133 MHz
Multiplier 12.5x 12.0x
Multiplier unlocked No No
Voltage 1.25 V 1.35 V
TDP 65 W 80 W

Architecture Details

Vertical Segment Desktop Server/Workstation
Production status End-of-life End-of-life
Release date Jun 2nd, 2009 Feb 14th, 2011
Codename Deneb Westmere-EP
Generation Phenom II X4 Xeon
Part HD905EOCK4DGIHD905EOCGIBOX SLC2F
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 4
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) 4MB (shared)

Features & Technologies

3DNow! Yes
4.8GT/s QPI Yes
AES-NI Yes
AMD-V Yes
AMD64 Yes
EIST 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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