A8-4555M vs Phenom II X4 955 BE

Primary details

Comparing Phenom II X4 955 BE and A8-4555M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2571
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD A-Series
Power efficiencyno data4.18
Architecture codenameDeneb (2009−2011)Trinity (2012−2013)
Release date23 April 2009 (15 years ago)27 September 2012 (12 years ago)

Detailed specifications

Phenom II X4 955 BE and A8-4555M 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 cores4 (Quad-Core)4 (Quad-Core)
Threads44
Base clock speed3.2 GHz1.6 GHz
Boost clock speed3.2 GHz2.4 GHz
L1 cache128 KB (per core)192 KB
L2 cache512 KB (per core)4 MB (shared)
L3 cache6 MB (shared)0 KB
Chip lithography45 nm32 nm
Die size258 mm2246 mm2
Maximum case temperature (TCase)no data100 °C
Number of transistors758 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Phenom II X4 955 BE and A8-4555M 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 configuration11
SocketAM3FP2
Power consumption (TDP)125 Watt19 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 955 BE and A8-4555M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA
AES-NI-+
FMA-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 955 BE and A8-4555M are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 955 BE and A8-4555M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3unknown Dual-channel

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)AMD Radeon HD 7600G (320 - 424 MHz)

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 955 BE and A8-4555M.

PCIe version2.0no data

Pros & cons summary


Recency 23 April 2009 27 September 2012
Chip lithography 45 nm 32 nm
Power consumption (TDP) 125 Watt 19 Watt

A8-4555M has an age advantage of 3 years, a 40.6% more advanced lithography process, and 557.9% lower power consumption.

We couldn't decide between Phenom II X4 955 BE and A8-4555M. We've got no test results to judge.

Note that Phenom II X4 955 BE is a desktop processor while A8-4555M is a notebook one.


Should you still have questions on choice between Phenom II X4 955 BE and A8-4555M, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Phenom II X4 955 BE
Phenom II X4 955 BE
AMD A8-4555M
A8-4555M

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.8 286 votes

Rate Phenom II X4 955 BE on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.8 37 votes

Rate A8-4555M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Phenom II X4 955 BE or A8-4555M, agree or disagree with our judgements, or report an error or mismatch.