Phenom II X2 N640 vs Celeron M 585

Primary details

Comparing Celeron M 585 and Phenom II X2 N640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2526
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron M	2x AMD Phenom II
Power efficiency	no data	2.45
Architecture codename	Merom (2006−2008)	Champlain (2010−2011)
Release date	20 August 2008 (16 years ago)	1 October 2010 (14 years ago)
Launch price (MSRP)	$70	no data

Detailed specifications

Celeron M 585 and Phenom II X2 N640 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	1 (Single-Core)	2 (Dual-core)
Threads	1	2
Boost clock speed	2.16 GHz	2.9 GHz
Bus rate	667 MHz	3600 MHz
L1 cache	no data	256 KB
L2 cache	1 MB	2 MB
Chip lithography	65 nm	45 nm
Die size	143 mm2	no data
Maximum core temperature	100 °C	no data
Number of transistors	291 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron M 585 and Phenom II X2 N640 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	PPGA478	S1
Power consumption (TDP)	31 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron M 585 and Phenom II X2 N640. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization
VirusProtect	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron M 585 and Phenom II X2 N640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

Pros & cons summary

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Recency	20 August 2008	1 October 2010
Physical cores	1	2
Threads	1	2
Chip lithography	65 nm	45 nm
Power consumption (TDP)	31 Watt	35 Watt

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Should you still have questions on choice between Celeron M 585 and Phenom II X2 N640, ask them in Comments section, and we shall answer.

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