Intel Atom C2550 vs AMD A6-6420K

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CPU comparison with benchmarks


Intel Atom C2550 CPU1 vs CPU2 AMD A6-6420K
Intel Atom C2550 AMD A6-6420K

CPU comparison

In this CPU comparison, we compare the Intel Atom C2550 and the AMD A6-6420K and use benchmarks to check which processor is faster.

We compare the Intel Atom C2550 4 core processor released in Q3/2013 with the AMD A6-6420K which has 2 CPU cores and was introduced in Q1/2014.
Intel Atom (108) Family AMD A (112)
Intel Atom C2000 (7) CPU group AMD A6-6000 (3)
3 Generation 3
Avoton Architecture Richland (Piledriver)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom C2550 is a 4 core processor with a clock frequency of 2.40 GHz (2.60 GHz). The processor can compute 4 threads at the same time. The AMD A6-6420K clocks with 4.00 GHz (4.20 GHz), has 2 CPU cores and can calculate 2 threads in parallel.

Intel Atom C2550 Characteristic AMD A6-6420K
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? Yes
2.40 GHz Frequency 4.00 GHz
2.60 GHz Turbo Frequency (1 Core) 4.20 GHz
2.60 GHz Turbo Frequency (All Cores) 4.20 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 C2550 Characteristic AMD A6-6420K
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU AMD Radeon HD 8470D
GPU frequency 0.80 GHz
-- GPU (Turbo) --
-- GPU Generation 5
Technology 32 nm
Max. displays 2
-- Compute units 3
-- Shader 192
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.2

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 8470D
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

Up to 64 GB of memory in a maximum of 2 memory channels is supported by the Intel Atom C2550, while the AMD A6-6420K supports a maximum of GB of memory with a maximum memory bandwidth of 29.9 GB/s enabled.

Intel Atom C2550 Characteristic AMD A6-6420K
DDR3L-1600, DDR3-1600 Memory DDR3-1866
64 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 29.9 GB/s
Yes ECC No
-- L2 Cache --
2.00 MB L3 Cache 1.00 MB
2.0 PCIe version --
16 PCIe lanes --
8.0 GB/s PCIe Bandwidth --

Thermal Management

The Intel Atom C2550 has a TDP of 14 W. The TDP of the AMD A6-6420K is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom C2550 Characteristic AMD A6-6420K
14 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Atom C2550 has 2.00 MB cache and is manufactured in 22 nm. The cache of AMD A6-6420K is at 1.00 MB. The processor is manufactured in 32 nm.

Intel Atom C2550 Characteristic AMD A6-6420K
22 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 1283 Socket FM2
VT-x, VT-x EPT Virtualization AMD-V
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2013 Release date Q1/2014
74 $ Release price 53 $
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Atom C2550 (43%)
AMD A6-6420K (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Atom C2550 (100%)
AMD A6-6420K (81%)

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 C2550 Intel Atom C2550
4C 4T @ 2.60 GHz
259 (43%)
AMD A6-6420K AMD A6-6420K
2C 2T @ 4.20 GHz
607 (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.
Intel Atom C2550 Intel Atom C2550
4C 4T @ 2.60 GHz
971 (100%)
AMD A6-6420K AMD A6-6420K
2C 2T @ 4.20 GHz
923 (95%)

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 C2550 Intel Atom C2550
4C 4T @ 2.60 GHz
2330 (100%)
AMD A6-6420K AMD A6-6420K
2C 2T @ 4.20 GHz
1542 (66%)

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 C2550 Intel Atom C2550
@ 0.00 GHz
0 (0%)
AMD A6-6420K AMD A6-6420K
AMD Radeon HD 8470D @ 0.80 GHz
307 (100%)

Devices using this processor

Intel Atom C2550 AMD A6-6420K
Unknown Unknown

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