Athlon II X2 255 vs A6-4400M

Primary details

Comparing A6-4400M and Athlon II X2 255 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2757	2659
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.02
Market segment	Laptop	Desktop processor
Series	AMD A-Series	no data
Power efficiency	1.72	1.08
Architecture codename	Trinity (2012−2013)	Regor (2009−2013)
Release date	15 May 2012 (12 years ago)	25 January 2010 (14 years ago)
Launch price (MSRP)	no data	$60

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A6-4400M and Athlon II X2 255 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
Base clock speed	2.7 GHz	3.1 GHz
Boost clock speed	3.2 GHz	3.1 GHz
L1 cache	96 KB	128 KB
L2 cache	1 MB (shared)	1 MB
L3 cache	0 KB	0 KB
Chip lithography	32 nm	45 nm
Die size	246 mm2	117 mm2
Number of transistors	1,178 million	410 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on A6-4400M and Athlon II X2 255 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	1
Socket	FS1r2	AM3
Power consumption (TDP)	35 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-4400M and Athlon II X2 255. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA	no data
AES-NI	+	-
FMA	+	-
AVX	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by A6-4400M and Athlon II X2 255 are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-4400M and Athlon II X2 255. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

unknown

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon HD 7520G

no data

Peripherals

Specifications and connection of peripherals supported by A6-4400M and Athlon II X2 255.

PCIe version

no data

2.0

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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	0.66	0.77
Recency	15 May 2012	25 January 2010
Chip lithography	32 nm	45 nm
Power consumption (TDP)	35 Watt	65 Watt

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Should you still have questions on choice between A6-4400M and Athlon II X2 255, ask them in Comments section, and we shall answer.

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