AMD Opteron X2 285 vs Intel Celeron B840

Table of Contents

Physical Specifications

Socket AMD Socket 940 Intel Socket G2 (988B)
Process size 90 nm 32 nm
Transistors 233 million 504 million
Die size unknown 131 mm²
Package µPGA rPGA
Foundry Intel

Performance

Frequency 2.6 GHz 1900 MHz
Turbo clock
Base clock 200 MHz 100 MHz
Multiplier 13.0x 19.0x
Multiplier unlocked No No
Voltage 1.35 V
TDP 95 W 35 W

Architecture Details

Vertical Segment Server/Workstation Mobile
Production status End-of-life End-of-life
Release date Mar 6th, 2006 Jul 1st, 2011
Codename Italy Sandy Bridge
Generation Opteron X2 Celeron
Part OSA285FAA6CB SR0EN
Memory support unknown Dual-channel DDR3 Dual-channel
ECC memory No No
PCI Express Gen 2

Cores

Total Cores 2 2
Total Threads 2 2
SMP # CPUs 2 1
Integrated graphics Intel HD (Sandy Bridge)

Cache

Cache L1 128K 64K (per core)
Cache L2 1MB 256K (per core)
Cache L3 2MB (shared)

Features & Technologies

3DNow! Yes
AMD64 Yes
EIST Yes
Intel 64 Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes
SSE4.2 Yes
SSSE3 Yes
Smart Cache Yes
VT-x Yes
XD bit Yes

Compare

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