AMD A4-5145M vs AMD A8-5550M

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CPU comparison with benchmarks


AMD A4-5145M CPU1 vs CPU2 AMD A8-5550M
AMD A4-5145M AMD A8-5550M

CPU comparison

AMD A4-5145M or AMD A8-5550M - 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 A4-5145M has 2 cores with 2 threads and clocks with a maximum frequency of 2.60 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A4-5145M was released in Q2/2013.

The AMD A8-5550M has 4 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A8-5550M was released in Q2/2013.
AMD A (112) Family AMD A (112)
AMD A4-5000M (2) CPU group AMD A8-5000M (3)
3 Generation 3
Richland (Piledriver) Architecture Richland (Piledriver)
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A4-5145M is a 2 core processor with a clock frequency of 2.00 GHz (2.60 GHz). The AMD A8-5550M has 4 CPU cores with a clock frequency of 2.10 GHz (3.10 GHz).

AMD A4-5145M Characteristic AMD A8-5550M
2 Cores 4
2 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.00 GHz Frequency 2.10 GHz
2.60 GHz Turbo Frequency (1 Core) 3.10 GHz
2.60 GHz Turbo Frequency (All Cores) 3.10 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 A4-5145M Characteristic AMD A8-5550M
-- 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.

AMD Radeon HD 8310G GPU AMD Radeon HD 8550G
0.42 GHz GPU frequency 0.52 GHz
0.55 GHz GPU (Turbo) 0.72 GHz
5 GPU Generation 5
32 nm Technology 32 nm
2 Max. displays 2
2 Compute units 4
128 Shader 256
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11 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.

AMD Radeon HD 8310G GPU AMD Radeon HD 8550G
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 Decode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD A4-5145M supports a maximum of GB of memory in 2 memory channels. The AMD A8-5550M can connect up to GB of memory in 2 memory channels.

AMD A4-5145M Characteristic AMD A8-5550M
DDR3-1333 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 --
1.00 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 A4-5145M has a TDP of 17 W, that of the AMD A8-5550M is 35 W.

AMD A4-5145M Characteristic AMD A8-5550M
17 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD A4-5145M has a 1.00 MB cache, while the AMD A8-5550M cache has a total of 4.00 MB.

AMD A4-5145M Characteristic AMD A8-5550M
32 nm Technology 32 nm
Unknown Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
FP2 Socket FS1r2
AMD-V Virtualization AMD-V
Yes AES-NI Yes
Operating systems
Q2/2013 Release date Q2/2013
-- Release price --
show more data show more data


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Here you can rate the AMD A8-5550M to help other visitors make their purchasing decisions. The average rating is 4.0 stars (2 ratings). Rate now:


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 A4-5145M AMD A4-5145M
AMD Radeon HD 8310G @ 0.55 GHz
141 (38%)
AMD A8-5550M AMD A8-5550M
AMD Radeon HD 8550G @ 0.72 GHz
369 (100%)

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 A4-5145M AMD A4-5145M
2C 2T @ 2.60 GHz
0 (0%)
AMD A8-5550M AMD A8-5550M
4C 4T @ 3.10 GHz
381 (100%)

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 A4-5145M AMD A4-5145M
2C 2T @ 2.60 GHz
0 (0%)
AMD A8-5550M AMD A8-5550M
4C 4T @ 3.10 GHz
947 (100%)

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 A4-5145M AMD A4-5145M
2C 2T @ 2.60 GHz
0 (0%)
AMD A8-5550M AMD A8-5550M
4C 4T @ 3.10 GHz
3093 (100%)

Devices using this processor

AMD A4-5145M AMD A8-5550M
Unknown Unknown

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