Phenom II X4 955 (125W) vs A9-9420

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Primary details

Comparing A9-9420 and Phenom II X4 955 (125W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2507not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Bristol Ridgeno data
Power efficiency5.93no data
Architecture codenameStoney Ridge (2016−2019)Deneb (2009−2011)
Release date31 May 2016 (8 years ago)1 April 2009 (15 years ago)

Detailed specifications

A9-9420 and Phenom II X4 955 (125W) 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 cores2 (Dual-core)4 (Quad-Core)
Threads24
Base clock speed3 GHz3.2 GHz
Boost clock speed3.6 GHz3.2 GHz
L1 cache160 KB128 KB (per core)
L2 cache1 MB (shared)512 KB (per core)
L3 cacheno data6 MB (shared)
Chip lithography28 nm45 nm
Die size125 mm2258 mm2
Maximum core temperature90 °Cno data
Maximum case temperature (TCase)74 °Cno data
Number of transistors1,200 million758 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on A9-9420 and Phenom II X4 955 (125W) 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
SocketFT4AM3
Power consumption (TDP)15 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A9-9420 and Phenom II X4 955 (125W). You'll probably need this information if you require some particular technology.

Instruction set extensionsVirtualization,no data
AES-NI+-
FMA+-
AVX+-

Virtualization technologies

Virtual machine speed-up technologies supported by A9-9420 and Phenom II X4 955 (125W) are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by A9-9420 and Phenom II X4 955 (125W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardRadeon R5On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by A9-9420 and Phenom II X4 955 (125W).

PCIe version3.02.0
PCI Express lanes8no data

Pros & cons summary


Recency 31 May 2016 1 April 2009
Physical cores 2 4
Threads 2 4
Chip lithography 28 nm 45 nm
Power consumption (TDP) 15 Watt 125 Watt

A9-9420 has an age advantage of 7 years, a 60.7% more advanced lithography process, and 733.3% lower power consumption.

Phenom II X4 955 (125W), on the other hand, has 100% more physical cores and 100% more threads.

We couldn't decide between A9-9420 and Phenom II X4 955 (125W). We've got no test results to judge.

Be aware that A9-9420 is a notebook processor while Phenom II X4 955 (125W) is a desktop one.


Should you still have questions on choice between A9-9420 and Phenom II X4 955 (125W), ask them in Comments section, and we shall answer.

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AMD A9-9420
A9-9420
AMD Phenom II X4 955 (125W)
Phenom II X4 955 (125W)

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Community ratings

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