AMD Athlon II X4 638 vs Intel Xeon L5520

Table of Contents

Physical Specifications

Socket AMD Socket FM1 Intel Socket 1366
Process size 32 nm 45 nm
Transistors 1,178 million 731 million
Die size 228 mm² 263 mm²
Package µPGA FC-LGA8
Foundry Intel

Performance

Frequency 2.7 GHz 2.266 GHz
Turbo clock up to 2.533 GHz
Base clock 100 MHz 133 MHz
Multiplier 27.0x 17.0x
Multiplier unlocked No No
Voltage 1.4125 V 1.35 V
TDP 65 W 60 W

Architecture Details

Vertical Segment Desktop Server/Workstation
Production status unknown End-of-life
Release date Feb 6th, 2012 Mar 30th, 2009
Codename Llano Gainestown
Generation Athlon II X4 Xeon
Part AD638XOJZ43GXAD638XOJGXBOX SLBFA
Memory support DDR3 Dual-channel DDR3 Triple-channel
ECC memory No Yes
PCI Express 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 1MB (per core) 256K (per core)
Cache L3 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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