AMD Phenom II X2 555 BE: specs and benchmarks

Summary

AMD started AMD Phenom II X2 555 BE sales 25 January 2010. Based on a Callisto architecture, this desktop processor is primarily aimed at home systems. It has 2 cores and 2 threads, and is based on 45 nm manufacturing technology, with a max turbo frequency of 3.2 and an unlocked multiplier.

Compatibility-wise, this is AMD Socket AM3 processor with a TDP of 80 Watt. It supports DDR3 memory.

General info

Phenom II X2 555 BE processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance rating	not rated
Market segment	Desktop processor
Architecture codename	Callisto (2009−2010)
Release date	25 January 2010 (13 years old)
Current price	$60	of 25332 (Xeon Platinum 8276L)

Technical specs

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	2 (Dual-core)
Threads	2
Base clock speed	3.2 GHz	of 4.7 (Ryzen 9 7900X)
Boost clock speed	3.2 GHz	of 6 (Core i9-13900KS)
L1 cache	128 KB (per core)	of 1536 (EPYC Embedded 3401)
L2 cache	512 KB (per core)	of 12288 (Core 2 Quad Q9550)
L3 cache	6 MB (shared)	of 32 (Ryzen Threadripper 1998)
Chip lithography	45 nm	of 4 (Ryzen 9 7940HS)
Die size	258 mm2
Number of transistors	758 million	of 9900000 (Ryzen 9 7845HX)
64 bit support	+
Windows 11 compatibility	-
Unlocked multiplier	+

Compatibility

Information on Phenom II X2 555 BE compatibility with other computer components and devices: 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	of 8 (Xeon Platinum 8160M)
Socket	AM3
Thermal design power (TDP)	80 Watt	of 400 (Xeon Platinum 9282)

Memory specs

Types, maximum amount and channel number of RAM supported by Phenom II X2 555 BE's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types

DDR3

of 5600 (Ryzen 9 7940HS)

Peripherals

Specifications and connection types of supported peripherals.

PCIe version

2.0

of 5 (EPYC 9654)

Benchmark performance

Single-core and multi-core benchmark results of Phenom II X2 555 BE. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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