AMD A6-6420K vs AMD A6-6400K

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD A6-6420K or AMD A6-6420K – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The AMD A6-6420K features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q1/2014 and belongs to the 3 generation of the AMD A series.
To use the AMD A6-6420K, you'll need a motherboard with a FM2 socket.
The AMD A6-6400K features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q2/2013 and belongs to the 3 generation of the AMD A series.
To use the AMD A6-6400K, you'll need a motherboard with a FM2 socket.
3 Generation 3
Desktop / Server Segment Desktop / Server
AMD A6-6000 Group AMD A6-6000
AMD A6-6420K Name AMD A6-6400K
AMD A Family AMD A
 
 

CPU Cores and Base Frequency

The AMD A6-6420K has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the AMD A6-6420K is 4.0 GHz
and turbo frequency for one core is 4.2 GHz.
The AMD A6-6400K has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the AMD A6-6400K is 3.9 GHz
and turbo frequency for one core is 4.1 GHz.
No Hyperthreading No
4.2 GHz Turbo Frequency (all cores) 4.1 GHz
Yes Overclocking Yes
2 Threads 2
2x Cores 2x
4.2 GHz Turbo Frequency (1 core) 4.1 GHz
normal Core architecture normal
4.0 GHz Frequency 3.9 GHz
2 CPU Cores 2
 
 

Internal Graphics

The AMD A6-6420K has integrated graphics, called iGPU for short.
Specifically, the AMD A6-6420K uses the AMD Radeon HD 8470D, which has 192 texture shaders
and 3 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD A6-6400K has integrated graphics, called iGPU for short.
Specifically, the AMD A6-6400K uses the AMD Radeon HD 8470D, which has 192 texture shaders
5 Generation 5
11.2 Direct X 11.2
-- GPU (Turbo) --
2.0 GB Max. GPU Memory 2.0 GB
192 Shaders 192
-- Max. displays --
3 Execution units 3
32 nm Technology 32 nm
Q2/2013 Release date Q2/2013
AMD Radeon HD 8470D GPU name AMD Radeon HD 8470D
0.8 GHz GPU frequency 0.8 GHz
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

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 VP8 No
No h265 / HEVC (10 bit) No
No h265 / HEVC (8 bit) No
No AV1 No
Decode AVC Decode
No VP9 No
Decode VC-1 Decode
Decode h264 Decode
Decode / Encode JPEG Decode / Encode
 
 

Memory & PCIe

pci PCIe pci
-- Bandwidth --
Yes AES-NI Yes
No ECC No
2 Memory channels 2
0 bytes Max. Memory 0 bytes
DDR3-1866 Memory type DDR3-1866
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
65 W TDP (PL1 / PBP) 65 W
-- Tjunction max --
 
 

Technical details

The AMD A6-6420K is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 1.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD A6-6400K is manufactured using a 32 nm process.
FM2 Socket FM2
Richland (Piledriver) Architecture Richland (Piledriver)
AMD-V Virtualization AMD-V
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
Windows 10, Linux Operating systems Windows 10, Linux
53 $ Release price 55 $
1.0 MB L3-Cache 1.0 MB
-- Chip design --
Technical data sheet Documents Technical data sheet
0 bytes L2-Cache 0 bytes
32 nm Technology 32 nm
Q1/2014 Release date Q2/2013
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
 
 

Benchmarks