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.
AMD A6-6420K Name AMD A6-6400K
Desktop / Server Segment Desktop / Server
AMD A Family AMD A
AMD A6-6000 Group AMD A6-6000
3 Generation 3
 
 

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.
2x Cores 2x
2 Threads 2
4.2 GHz Turbo Frequency (all cores) 4.1 GHz
normal Core architecture normal
2 CPU Cores 2
4.0 GHz Frequency 3.9 GHz
4.2 GHz Turbo Frequency (1 core) 4.1 GHz
No Hyperthreading No
Yes Overclocking Yes
 
 

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

Artificial Intelligence and Machine Learning

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

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

Memory & PCIe

0 bytes Max. Memory 0 bytes
2 Memory channels 2
No ECC No
Yes AES-NI Yes
pci PCIe pci
-- Bandwidth --
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.
-- Tjunction max --
65 W TDP (PL1 / PBP) 65 W
 
 

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

Benchmarks