Phenom II X2 N660 vs A8-3820

Primary details

Comparing A8-3820 and Phenom II X2 N660 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2124	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.07	no data
Market segment	Desktop processor	Laptop
Series	no data	2x AMD Phenom II
Architecture codename	Llano (2011−2012)	Champlain (2010−2011)
Release date	20 December 2011 (12 years ago)	1 January 2011 (13 years ago)
Current price	$32	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A8-3820 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.5 GHz	no data
Boost clock speed	2.8 GHz	3 GHz
Bus support	no data	3600 MHz
L1 cache	128 KB (per core)	256 KB
L2 cache	1 MB (per core)	2 MB
L3 cache	0 KB	no data
Chip lithography	32 nm	45 nm
Die size	228 mm2	no data
Number of transistors	1,178 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on A8-3820 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.

Number of CPUs in a configuration	1	no data
Socket	FM1	S1
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-3820 and Phenom II X2 N660. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	DDR3 memory controller, HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization
VirusProtect	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-3820 and Phenom II X2 N660 are enumerated here.

AMD-V

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-3820 and Phenom II X2 N660. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon HD 6550D

no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	20 December 2011	1 January 2011
Physical cores	4	2
Threads	4	2
Chip lithography	32 nm	45 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between A8-3820 and Phenom II X2 N660, ask them in Comments section, and we shall answer.

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