AMD FX-8120 vs Intel Xeon E5520

Table of Contents

Physical Specifications

Socket AMD Socket AM3+ Intel Socket 1366
Process size 32 nm 45 nm
Transistors 1,200 million 731 million
Die size 315 mm² 263 mm²
Package µPGA FC-LGA8
Foundry Intel

Performance

Frequency 3.1 GHz 2.266 GHz
Turbo clock up to 4 GHz up to 2.533 GHz
Base clock 200 MHz 133 MHz
Multiplier 15.5x 17.0x
Multiplier unlocked Yes No
Voltage 1.425 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 Oct 12th, 2011 Mar 30th, 2009
Codename Zambezi Gainestown
Generation FX Xeon
Part FD8120FRGUBOXFD8120FRW8KGU SLBFD
Memory support DDR3 Dual-channel DDR3 Triple-channel
ECC memory No Yes
PCI Express Gen 2 Gen 2

Cores

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

Cache

Cache L1 384K 64K (per core)
Cache L2 8MB 256K (per core)
Cache L3 8MB (shared) 8MB (shared)

Notes

Notes 16KB L1 data cache per core. 64KB L1 instruction cache shared per two cores (per module). 2MB L2 cache shared per two cores (per module). This processor comes with an unlocked multiplier, allowing users to set the multiplier value higher than the shipped

Features & Technologies

AES Yes
AMD-V Yes
AMD64 Yes
AVX Yes
CLMUL Yes
CVT16 Yes
EIST Yes
EVP Yes
FMA4 Yes
HT3.1 Yes
HTT Yes
Intel 64 Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes
SSE4.2 Yes Yes
SSE4A Yes
SSSE3 Yes Yes
TXT Yes
Turbo Core Yes
VT-x Yes
XD-Bit Yes
XOP Yes

Compare

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