Phenom II X2 N660 vs Phenom II X2 X640 BE

Primary details

Comparing Phenom II X2 X640 BE and Phenom II X2 N660 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2470	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	2x AMD Phenom II	2x AMD Phenom II
Power efficiency	2.10	no data
Architecture codename	Champlain (2010−2011)	Champlain (2010−2011)
Release date	12 May 2011 (13 years ago)	1 January 2011 (13 years ago)

Detailed specifications

Phenom II X2 X640 BE and Phenom II X2 N660 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	2 (Dual-core)
Threads	2	2
Boost clock speed	3.2 GHz	3 GHz
Bus rate	3600 MHz	3600 MHz
L1 cache	256 KB	256 KB
L2 cache	2 MB	2 MB
Chip lithography	45 nm	45 nm
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Phenom II X2 X640 BE and Phenom II X2 N660 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Socket	S1	S1
Power consumption (TDP)	45 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X2 X640 BE and Phenom II X2 N660. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, 3DNow!, SSE1-3A, AMD64, Enhanced Virus Protection, Virtualization	HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization
VirusProtect	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X2 X640 BE and Phenom II X2 N660 are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 X640 BE and Phenom II X2 N660. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR3

Pros & cons summary

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Recency	12 May 2011	1 January 2011
Power consumption (TDP)	45 Watt	35 Watt

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Should you still have questions on choice between Phenom II X2 X640 BE and Phenom II X2 N660, ask them in Comments section, and we shall answer.

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