AMD Phenom II X4 955 vs AMD A8-3550MX

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CPU comparison with benchmarks


AMD Phenom II X4 955 CPU1 vs CPU2 AMD A8-3550MX
AMD Phenom II X4 955 AMD A8-3550MX

CPU comparison

AMD Phenom II X4 955 or AMD A8-3550MX - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD Phenom II X4 955 has 4 cores with 4 threads and clocks with a maximum frequency of 3.20 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X4 955 was released in Q2/2009.

The AMD A8-3550MX has 4 cores with 4 threads and clocks with a maximum frequency of 2.70 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A8-3550MX was released in Q4/2011.
AMD Phenom II (52) Family AMD A (112)
AMD Phenom II - 800/900 (23) CPU group AMD A6-3000M (9)
4 Generation 1
Deneb (K10) Architecture Llano (K10)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X4 955 is a 4 core processor with a clock frequency of 3.20 GHz. The AMD A8-3550MX has 4 CPU cores with a clock frequency of 2.00 GHz (2.70 GHz).

AMD Phenom II X4 955 Characteristic AMD A8-3550MX
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? Yes
3.20 GHz Frequency 2.00 GHz
-- Turbo Frequency (1 Core) 2.70 GHz
-- Turbo Frequency (All Cores) 2.70 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Phenom II X4 955 Characteristic AMD A8-3550MX
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

no iGPU GPU AMD Radeon HD 6620G
GPU frequency 0.44 GHz
-- GPU (Turbo) --
-- GPU Generation 3
Technology 32 nm
Max. displays 2
-- Compute units 5
-- Shader 400
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 1 GB
-- DirectX Version 11

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU AMD Radeon HD 6620G
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The AMD Phenom II X4 955 supports a maximum of GB of memory in 2 memory channels. The AMD A8-3550MX can connect up to GB of memory in 2 memory channels.

AMD Phenom II X4 955 Characteristic AMD A8-3550MX
DDR3-1333, DDR2-1066 Memory DDR3-1600
Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
6.00 MB L3 Cache 4.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Phenom II X4 955 has a TDP of 125 W, that of the AMD A8-3550MX is 45 W.

AMD Phenom II X4 955 Characteristic AMD A8-3550MX
125 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD Phenom II X4 955 has a 6.00 MB cache, while the AMD A8-3550MX cache has a total of 4.00 MB.

AMD Phenom II X4 955 Characteristic AMD A8-3550MX
45 nm Technology 32 nm
Unknown Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE3, SSE4a
AM3 Socket FS1
AMD-V Virtualization AMD-V
No AES-NI No
Windows 10, Linux Operating systems
Q2/2009 Release date Q4/2011
-- Release price --
show more data show more data


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Here you can rate the AMD Phenom II X4 955 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (3 ratings). Rate now:
Here you can rate the AMD A8-3550MX to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
3987 (100%)
AMD A8-3550MX AMD A8-3550MX
4C 4T @ 2.70 GHz
2866 (72%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
488 (100%)
AMD A8-3550MX AMD A8-3550MX
4C 4T @ 2.70 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
1967 (100%)
AMD A8-3550MX AMD A8-3550MX
4C 4T @ 2.70 GHz
0 (0%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
422 (100%)
AMD A8-3550MX AMD A8-3550MX
4C 4T @ 2.70 GHz
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
1401 (100%)
AMD A8-3550MX AMD A8-3550MX
4C 4T @ 2.70 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
651 (100%)
AMD A8-3550MX AMD A8-3550MX
4C 4T @ 2.70 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Phenom II X4 955 AMD Phenom II X4 955
@ 0.00 GHz
0 (0%)
AMD A8-3550MX AMD A8-3550MX
AMD Radeon HD 6620G @ 0.44 GHz
355 (100%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
156 (100%)
AMD A8-3550MX AMD A8-3550MX
4C 4T @ 2.70 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
598 (100%)
AMD A8-3550MX AMD A8-3550MX
4C 4T @ 2.00 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
84 (100%)
AMD A8-3550MX AMD A8-3550MX
4C 4T @ 2.70 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
324 (100%)
AMD A8-3550MX AMD A8-3550MX
4C 4T @ 2.70 GHz
0 (0%)

Devices using this processor

AMD Phenom II X4 955 AMD A8-3550MX
Unknown Unknown

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