Phenom II X2 N660 vs Mobile Sempron SI-42

Primary details

Comparing Mobile Sempron SI-42 and Phenom II X2 N660 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3219	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Mobile Sempron	2x AMD Phenom II
Power efficiency	0.79	no data
Architecture codename	Sable (2008−2009)	Champlain (2010−2011)
Release date	1 September 2009 (15 years ago)	1 January 2011 (13 years ago)

Detailed specifications

Mobile Sempron SI-42 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	1 (Single-Core)	2 (Dual-core)
Threads	1	2
Boost clock speed	2.1 GHz	3 GHz
Bus rate	1800 MHz	3600 MHz
L1 cache	128 KB	256 KB
L2 cache	512 KB	2 MB
Chip lithography	65 nm	45 nm
Maximum core temperature	100 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Mobile Sempron SI-42 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	S1g2	S1
Power consumption (TDP)	25 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Mobile Sempron SI-42 and Phenom II X2 N660. You'll probably need this information if you require some particular technology.

Instruction set extensions	65 nm, 1.075 - 1.125	HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization
VirusProtect	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-42 and Phenom II X2 N660. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

Pros & cons summary

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Recency	1 September 2009	1 January 2011
Physical cores	1	2
Threads	1	2
Chip lithography	65 nm	45 nm
Power consumption (TDP)	25 Watt	35 Watt

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Should you still have questions on choice between Mobile Sempron SI-42 and Phenom II X2 N660, ask them in Comments section, and we shall answer.

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