Intel Pentium M 770 vs AMD Opteron 846

Comparative analysis of Intel Pentium M 770 and AMD Opteron 846 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization.

Intel Pentium M 770

AMD Opteron 846

Differences

Reasons to consider the Intel Pentium M 770

CPU is newer: launch date 1 month(s) later
Around 7% higher clock speed: 2.13 GHz vs 2 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
3.1x lower typical power consumption: 27 Watt vs 85 Watt

Launch date	January 2005 vs December 2004
Maximum frequency	2.13 GHz vs 2 GHz
L2 cache	2048 KB vs 1024 KB
Thermal Design Power (TDP)	27 Watt vs 85 Watt

Reasons to consider the AMD Opteron 846

4x more L1 cache, more data can be stored in the L1 cache for quick access later

L1 cache	128 KB vs 32 KB
Max number of CPUs in a configuration	8 vs 1

Compare specifications (specs)

	Intel Pentium M 770	AMD Opteron 846
Essentials
Architecture codename	Dothan	Athens
Launch date	January 2005	December 2004
Place in performance rating	not rated	not rated
Processor Number	770
Series	Legacy Intel® Pentium® Processor
Status	Discontinued
Vertical segment	Mobile	Server
Performance
64 bit support
Base frequency	2.13 GHz
Bus Speed	533 MHz FSB
Die size	87 mm2	193 mm
Front-side bus (FSB)	533 MHz
L1 cache	32 KB	128 KB
L2 cache	2048 KB	1024 KB
Manufacturing process technology	90 nm	90 nm
Maximum core temperature	100°C
Maximum frequency	2.13 GHz	2 GHz
Number of cores	1	1
Number of threads	1
Transistor count	144 million	106 million
VID voltage range	1.260V-1.372V
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	8
Package Size	35mm x 35mm
Sockets supported	PPGA478, H-PBGA479	940
Thermal Design Power (TDP)	27 Watt	85 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)