Intel Xeon MP 3.66 vs AMD Opteron 852

Comparative analysis of Intel Xeon MP 3.66 and AMD Opteron 852 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization.

Intel Xeon MP 3.66

AMD Opteron 852

Differences

Reasons to consider the Intel Xeon MP 3.66

Around 41% higher clock speed: 3.67 GHz vs 2.6 GHz

Maximum frequency	3.67 GHz vs 2.6 GHz

Reasons to consider the AMD Opteron 852

8x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 20% lower typical power consumption: 92 Watt vs 110 Watt

L1 cache	128 KB vs 16 KB
Max number of CPUs in a configuration	8 vs 1
Thermal Design Power (TDP)	92 Watt vs 110 Watt

Compare specifications (specs)

	Intel Xeon MP 3.66	AMD Opteron 852
Essentials
Architecture codename	Cranford	Athens
Launch date	March 2005	February 2005
Place in performance rating	not rated	not rated
Series	Legacy Intel® Xeon® Processors
Status	Discontinued
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.66 GHz
Bus Speed	667 MHz FSB
Die size	112 mm2
L1 cache	16 KB	128 KB
L2 cache	1024 KB	1024 KB
Manufacturing process technology	90 nm	90 nm
Maximum core temperature	73°C
Maximum frequency	3.67 GHz	2.6 GHz
Number of cores	1	1
Transistor count	125 million	106 million
VID voltage range	1.2875V-1.4000V
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	8
Package Size	53.3mm x 53.3mm
Sockets supported	PPGA604	940
Thermal Design Power (TDP)	110 Watt	92 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® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	32-bit
Virtualization
Intel® Virtualization Technology (VT-x)