Athlon 64 X2 4400+ vs Phenom II X2 555 BE

General info

Comparing Phenom II X2 555 BE and Athlon 64 X2 4400+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Series	no data	2x Athlon 64 (Desktop)
Architecture codename	Callisto (2009−2010)	Windsor (2006−2009)
Release date	25 January 2010 (14 years ago)	no data
Current price	$60	$115

Technical specs

Phenom II X2 555 BE and Athlon 64 X2 4400+ 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	3.2 GHz	no data
Boost clock speed	3.2 GHz	2.2 GHz
Bus support	no data	1000 MHz
L1 cache	128 KB (per core)	no data
L2 cache	512 KB (per core)	no data
L3 cache	6 MB (shared)	no data
Chip lithography	45 nm	90 nm
Die size	258 mm2	no data
Number of transistors	758 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Phenom II X2 555 BE and Athlon 64 X2 4400+ 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	AM3	no data
Power consumption (TDP)	80 Watt	65 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 555 BE and Athlon 64 X2 4400+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X2 555 BE and Athlon 64 X2 4400+.

PCIe version

2.0

no data

Advantages and disadvantages

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Chip lithography	45 nm	90 nm
Power consumption (TDP)	80 Watt	65 Watt

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Should you still have questions on choice between Phenom II X2 555 BE and Athlon 64 X2 4400+, ask them in Comments section, and we shall answer.

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