Phenom II X2 550 vs Athlon II P320

Primary details

Comparing Athlon II P320 and Phenom II X2 550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2959	2683
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.04
Market segment	Laptop	Desktop processor
Series	AMD Athlon II	no data
Power efficiency	1.66	0.86
Architecture codename	Champlain (2010−2011)	Callisto (2009−2010)
Release date	12 May 2010 (14 years ago)	4 November 2009 (15 years ago)
Launch price (MSRP)	no data	$133

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Athlon II P320 and Phenom II X2 550 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	no data	3.1 GHz
Boost clock speed	2.1 GHz	3.1 GHz
Bus rate	3200 MHz	no data
L1 cache	256 KB	128 KB (per core)
L2 cache	1 MB	512 KB (per core)
L3 cache	no data	6 MB (shared)
Chip lithography	45 nm	45 nm
Die size	no data	258 mm2
Number of transistors	no data	758 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Athlon II P320 and Phenom II X2 550 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	no data	1
Socket	S1g4	AM3
Power consumption (TDP)	25 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II P320 and Phenom II X2 550. You'll probably need this information if you require some particular technology.

Instruction set extensions

SSE-3, SSE4A, 3DNow!, MMX, DEP, SVM

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II P320 and Phenom II X2 550 are enumerated here.

AMD-V

-

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II P320 and Phenom II X2 550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Athlon II P320 and Phenom II X2 550.

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	0.44	0.73
Recency	12 May 2010	4 November 2009
Power consumption (TDP)	25 Watt	80 Watt

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Should you still have questions on choice between Athlon II P320 and Phenom II X2 550, ask them in Comments section, and we shall answer.

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