Phenom II X4 P940 vs Phenom II X2 N640

Primary details

Comparing Phenom II X2 N640 and Phenom II X4 P940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2523	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	2x AMD Phenom II	4x AMD Phenom II
Power efficiency	2.45	no data
Architecture codename	Champlain (2010−2011)	Champlain (2010−2011)
Release date	1 October 2010 (14 years ago)	4 October 2010 (14 years ago)

Detailed specifications

Phenom II X2 N640 and Phenom II X4 P940 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)	4 (Quad-Core)
Threads	2	4
Boost clock speed	2.9 GHz	1.7 GHz
Bus rate	3600 MHz	3600 MHz
L1 cache	256 KB	512 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 N640 and Phenom II X4 P940 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 (S1g4)
Power consumption (TDP)	35 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X2 N640 and Phenom II X4 P940. You'll probably need this information if you require some particular technology.

Instruction set extensions	HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization	MMX, 3DNow, SSE (1,2,3,4A), AMD64, Enhanced Virus Protection, Virtualization, HyperTransport 3.0
VirusProtect	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X2 N640 and Phenom II X4 P940 are enumerated here.

AMD-V

-

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 N640 and Phenom II X4 P940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR3

Pros & cons summary

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Physical cores	2	4
Threads	2	4
Power consumption (TDP)	35 Watt	25 Watt

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Should you still have questions on choice between Phenom II X2 N640 and Phenom II X4 P940, ask them in Comments section, and we shall answer.

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