AMD Opteron 856 vs Intel Core Solo ULV U1500

Comparative analysis of AMD Opteron 856 and Intel Core Solo ULV U1500 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Memory, Security & Reliability, Advanced Technologies, Virtualization.

AMD Opteron 856

Intel Core Solo ULV U1500

Differences

Reasons to consider the AMD Opteron 856

Around 126% higher clock speed: 3 GHz vs 1.33 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later

Maximum frequency	3 GHz vs 1.33 GHz
L1 cache	128 KB vs 64 KB
Max number of CPUs in a configuration	8 vs 1

Reasons to consider the Intel Core Solo ULV U1500

A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 nm vs 90 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
15.3x lower typical power consumption: 5.5 Watt vs 92 Watt

Manufacturing process technology	65 nm vs 90 nm
L2 cache	2048 KB vs 1024 KB
Thermal Design Power (TDP)	5.5 Watt vs 92 Watt

Compare specifications (specs)

	AMD Opteron 856	Intel Core Solo ULV U1500
Essentials
Architecture codename	Athens	Yonah
Launch date	April 2006	April 2006
Place in performance rating	not rated	not rated
Vertical segment	Server	Mobile
Processor Number		U1500
Series		Legacy Intel® Core™ Processors
Status		Discontinued
Performance
64 bit support
L1 cache	128 KB	64 KB
L2 cache	1024 KB	2048 KB
Manufacturing process technology	90 nm	65 nm
Maximum frequency	3 GHz	1.33 GHz
Number of cores	1	1
Transistor count	106 million	151 million
Base frequency		1.33 GHz
Bus Speed		533 MHz FSB
Die size		90 mm2
Maximum core temperature		100°C
VID voltage range		0.85V - 1.1V
Compatibility
Max number of CPUs in a configuration	8	1
Sockets supported	940	PBGA479
Thermal Design Power (TDP)	92 Watt	5.5 Watt
Low Halogen Options Available
Package Size		35mm x 35mm
Memory
Supported memory types		DDR1
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
Physical Address Extensions (PAE)		32-bit
Virtualization
Intel® Virtualization Technology (VT-x)