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.
Desktop / Server Segment Desktop / Server
AMD A6-6420K Name AMD A6-6400K
AMD A6-6000 Group AMD A6-6000
3 Generation 3
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.
Yes Overclocking Yes
4.2 GHz Turbo Frequency (1 core) 4.1 GHz
2 Threads 2
No Hyperthreading No
2x Cores 2x
4.0 GHz Frequency 3.9 GHz
2 CPU Cores 2
normal Core architecture normal
4.2 GHz Turbo Frequency (all cores) 4.1 GHz
 
 

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
0.8 GHz GPU frequency 0.8 GHz
3 Execution units 3
Q2/2013 Release date Q2/2013
-- GPU (Turbo) --
-- Max. displays --
192 Shaders 192
2.0 GB Max. GPU Memory 2.0 GB
5 Generation 5
11.2 Direct X 11.2
32 nm Technology 32 nm
AMD Radeon HD 8470D GPU name AMD Radeon HD 8470D
 
 

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

Memory & PCIe

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

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.
Windows 10, Linux Operating systems Windows 10, Linux
0 bytes L2-Cache 0 bytes
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
1.0 MB L3-Cache 1.0 MB
Q1/2014 Release date Q2/2013
53 $ Release price 55 $
Technical data sheet Documents Technical data sheet
-- Part Number --
FM2 Socket FM2
Richland (Piledriver) Architecture Richland (Piledriver)
AMD-V Virtualization AMD-V
32 nm Technology 32 nm
-- Chip design --
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
 
 

Benchmarks