Intel Atom C3955 vs AMD A8-5550M

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CPU comparison with benchmarks


Intel Atom C3955 CPU1 vs CPU2 AMD A8-5550M
Intel Atom C3955 AMD A8-5550M

CPU comparison

Intel Atom C3955 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 Intel Atom C3955 has 16 cores with 16 threads and clocks with a maximum frequency of 2.40 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C3955 was released in Q3/2017.

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.
Intel Atom (108) Family AMD A (112)
Intel Atom C3000 (20) CPU group AMD A8-5000M (3)
5 Generation 3
Denverton Architecture Richland (Piledriver)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom C3955 has 16 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Atom C3955 is 2.10 GHz (2.40 GHz) while the AMD A8-5550M has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD A8-5550M is at 2.10 GHz (3.10 GHz).

Intel Atom C3955 Characteristic AMD A8-5550M
16 Cores 4
16 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.10 GHz Frequency 2.10 GHz
2.40 GHz Turbo Frequency (1 Core) 3.10 GHz
2.40 GHz Turbo Frequency (All Cores) 3.10 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Atom C3955 Characteristic AMD A8-5550M
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Atom C3955 or AMD A8-5550M has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU AMD Radeon HD 8550G
GPU frequency 0.52 GHz
-- GPU (Turbo) 0.72 GHz
-- GPU Generation 5
Technology 32 nm
Max. displays 2
-- Compute units 4
-- Shader 256
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 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 8550G
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 Intel Atom C3955 can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The AMD A8-5550M supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.

Intel Atom C3955 Characteristic AMD A8-5550M
DDR4-2400 Memory DDR3-1600
256 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 25.6 GB/s
Yes ECC No
16.00 MB L2 Cache --
-- L3 Cache 4.00 MB
3.0 PCIe version --
16 PCIe lanes --
15.8 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Atom C3955 is 32 W, while the AMD A8-5550M has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Atom C3955 Characteristic AMD A8-5550M
32 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Atom C3955 is manufactured in 14 nm and has 16.00 MB cache. The AMD A8-5550M is manufactured in 32 nm and has a 4.00 MB cache.

Intel Atom C3955 Characteristic AMD A8-5550M
14 nm Technology 32 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
BGA 1310 Socket FS1r2
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q3/2017 Release date Q2/2013
434 $ Release price --
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Rate these processors

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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 (3 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Atom C3955 (100%)
AMD A8-5550M (98%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Atom C3955 (100%)
AMD A8-5550M (19%)

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.
Intel Atom C3955 Intel Atom C3955
16C 16T @ 2.40 GHz
387 (100%)
AMD A8-5550M AMD A8-5550M
4C 4T @ 3.10 GHz
381 (98%)

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.
Intel Atom C3955 Intel Atom C3955
16C 16T @ 2.40 GHz
4896 (100%)
AMD A8-5550M AMD A8-5550M
4C 4T @ 3.10 GHz
947 (19%)

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.
Intel Atom C3955 Intel Atom C3955
@ 0.00 GHz
0 (0%)
AMD A8-5550M AMD A8-5550M
AMD Radeon HD 8550G @ 0.72 GHz
369 (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.
Intel Atom C3955 Intel Atom C3955
16C 16T @ 2.40 GHz
0 (0%)
AMD A8-5550M AMD A8-5550M
4C 4T @ 3.10 GHz
3093 (100%)

Devices using this processor

Intel Atom C3955 AMD A8-5550M
Unknown Unknown

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