Intel Pentium D 955 EE vs AMD Opteron X2 870 HE

Comparative analysis of Intel Pentium D 955 EE and AMD Opteron X2 870 HE processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization.

Intel Pentium D 955 EE

AMD Opteron X2 870 HE

Differences

Reasons to consider the Intel Pentium D 955 EE

CPU is newer: launch date 1 month(s) later
Around 73% higher clock speed: 3.46 GHz vs 2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 nm vs 90 nm
4x more L2 cache, more data can be stored in the L2 cache for quick access later

Launch date	January 2006 vs December 2005
Maximum frequency	3.46 GHz vs 2 GHz
Manufacturing process technology	65 nm vs 90 nm
L2 cache	4096 KB vs 1024 KB

Reasons to consider the AMD Opteron X2 870 HE

4.6x more L1 cache, more data can be stored in the L1 cache for quick access later
2.4x lower typical power consumption: 55 Watt vs 130 Watt

L1 cache	128 KB vs 28 KB
Max number of CPUs in a configuration	8 vs 2
Thermal Design Power (TDP)	55 Watt vs 130 Watt

Compare specifications (specs)

	Intel Pentium D 955 EE	AMD Opteron X2 870 HE
Essentials
Architecture codename	Presler	Egypt
Launch date	January 2006	December 2005
Place in performance rating	not rated	not rated
Processor Number	955
Series	Legacy Intel® Pentium® Processor
Status	Discontinued
Vertical segment	Desktop	Server
Performance
64 bit support
Base frequency	3.46 GHz
Bus Speed	1066 MHz FSB
Die size	162 mm2
L1 cache	28 KB	128 KB
L2 cache	4096 KB	1024 KB
Manufacturing process technology	65 nm	90 nm
Maximum core temperature	68.6°C
Maximum frequency	3.46 GHz	2 GHz
Number of cores	2	2
Transistor count	376 million	233 million
VID voltage range	1.200V-1.3375V
Memory
Supported memory types	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	8
Package Size	37.5mm x 37.5mm
Sockets supported	PLGA775	940
Thermal Design Power (TDP)	130 Watt	55 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	32-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)