AMD A6-6420K vs AMD G-T56E

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CPU comparison with benchmarks


AMD A6-6420K CPU1 vs CPU2 AMD G-T56E
AMD A6-6420K AMD G-T56E

CPU comparison

AMD A6-6420K or AMD G-T56E - 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 A6-6420K has 2 cores with 2 threads and clocks with a maximum frequency of 4.20 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A6-6420K was released in Q1/2014.

The AMD G-T56E has 2 cores with 2 threads and clocks with a maximum frequency of 1.65 GHz. The CPU supports up to GB of memory in 1 memory channels. The AMD G-T56E was released in Q1/2012.
AMD A (112) Family AMD G (38)
AMD A6-6000 (3) CPU group AMD G (13)
3 Generation 1
Richland (Piledriver) Architecture Ontario (Bobcat)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A6-6420K is a 2 core processor with a clock frequency of 4.00 GHz (4.20 GHz). The AMD G-T56E has 2 CPU cores with a clock frequency of 1.65 GHz.

AMD A6-6420K Characteristic AMD G-T56E
2 Cores 2
2 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
4.00 GHz Frequency 1.65 GHz
4.20 GHz Turbo Frequency (1 Core) --
4.20 GHz Turbo Frequency (All Cores) --

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 A6-6420K Characteristic AMD G-T56E
-- 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 8470D GPU AMD Radeon HD 6250
0.80 GHz GPU frequency 0.28 GHz
-- GPU (Turbo) --
5 GPU Generation 3
32 nm Technology 40 nm
2 Max. displays 2
3 Compute units 1
192 Shader 80
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 1 GB
11.2 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 8470D GPU AMD Radeon HD 6250
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 A6-6420K supports a maximum of GB of memory in 2 memory channels. The AMD G-T56E can connect up to GB of memory in 1 memory channels.

AMD A6-6420K Characteristic AMD G-T56E
DDR3-1866 Memory DDR3-1333
Max. Memory
2 (Dual Channel) Memory channels 1 (Single Channel)
29.9 GB/s Max. Bandwidth 10.6 GB/s
No ECC No
-- L2 Cache --
1.00 MB L3 Cache 1.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD A6-6420K has a TDP of 65 W, that of the AMD G-T56E is 18 W.

AMD A6-6420K Characteristic AMD G-T56E
65 W TDP (PL1 / PBP) 18 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD A6-6420K has a 1.00 MB cache, while the AMD G-T56E cache has a total of 1.00 MB.

AMD A6-6420K Characteristic AMD G-T56E
32 nm Technology 40 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 SSE3, SSE4a
FM2 Socket --
AMD-V Virtualization AMD-V
Yes AES-NI No
Windows 10, Linux Operating systems
Q1/2014 Release date Q1/2012
53 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
AMD A6-6420K (0%)
AMD G-T56E (0%)
⌀ Multi core performance in 1 CPU benchmarks
AMD A6-6420K (100%)
AMD G-T56E (49%)

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 A6-6420K AMD A6-6420K
AMD Radeon HD 8470D @ 0.80 GHz
307 (100%)
AMD G-T56E AMD G-T56E
AMD Radeon HD 6250 @ 0.28 GHz
45 (15%)

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 A6-6420K AMD A6-6420K
2C 2T @ 4.20 GHz
1542 (100%)
AMD G-T56E AMD G-T56E
2C 2T @ 1.65 GHz
751 (49%)

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 A6-6420K AMD A6-6420K
2C 2T @ 4.20 GHz
607 (100%)
AMD G-T56E AMD G-T56E
2C 2T @ 1.65 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 A6-6420K AMD A6-6420K
2C 2T @ 4.20 GHz
923 (100%)
AMD G-T56E AMD G-T56E
2C 2T @ 1.65 GHz
0 (0%)

Devices using this processor

AMD A6-6420K AMD G-T56E
Unknown Unknown

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