AMD Opteron X2 275 vs Intel Pentium 4 HT 670

Comparative analysis of AMD Opteron X2 275 and Intel Pentium 4 HT 670 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Memory, Security & Reliability, Advanced Technologies, Virtualization.

AMD Opteron X2 275

Intel Pentium 4 HT 670

Differences

Reasons to consider the AMD Opteron X2 275

1 more cores, run more applications at once: 2 vs 1
4.6x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 21% lower typical power consumption: 95 Watt vs 115 Watt

Number of cores	2 vs 1
L1 cache	128 KB vs 28 KB
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	95 Watt vs 115 Watt

Reasons to consider the Intel Pentium 4 HT 670

Around 73% higher clock speed: 3.8 GHz vs 2.2 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later

Maximum frequency	3.8 GHz vs 2.2 GHz
L2 cache	2048 KB vs 1024 KB

Compare specifications (specs)

	AMD Opteron X2 275	Intel Pentium 4 HT 670
Essentials
Architecture codename	Italy	Prescott
Launch date	May 2005	May 2005
Place in performance rating	not rated	not rated
Vertical segment	Server	Desktop
Processor Number		670
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
64 bit support
L1 cache	128 KB	28 KB
L2 cache	1024 KB	2048 KB
Manufacturing process technology	90 nm	90 nm
Maximum frequency	2.2 GHz	3.8 GHz
Number of cores	2	1
Transistor count	233 million	169 million
Base frequency		3.80 GHz
Bus Speed		800 MHz FSB
Die size		135 mm2
Maximum core temperature		70.8°C
VID voltage range		1.200V-1.400V
Compatibility
Max number of CPUs in a configuration	2	1
Sockets supported	940	PLGA775
Thermal Design Power (TDP)	95 Watt	115 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Memory
Supported memory types		DDR1, DDR2, DDR3
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)