AMD A6-6400K vs AMD A6-3670K

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD A6-6400K or AMD A6-6400K – 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 A6-6400K 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.
The AMD A6-3670K features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q4/2011 and belongs to the 1 generation of the AMD A series.
To use the AMD A6-3670K, you'll need a motherboard with a FM1 socket.
Desktop / Server Segment Desktop / Server
3 Generation 1
AMD A6-6400K Name AMD A6-3670K
AMD A Family AMD A
AMD A6-6000 Group AMD A6-3000
 
 

CPU Cores and Base Frequency

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.
The AMD A6-3670K has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD A6-3670K is 2.7 GHz
4.1 GHz Turbo Frequency (all cores) None
4.1 GHz Turbo Frequency (1 core) None
No Hyperthreading No
2 Threads 4
normal Core architecture normal
Yes Overclocking Yes
3.9 GHz Frequency 2.7 GHz
2x Cores 4x
2 CPU Cores 4
 
 

Internal Graphics

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
and 3 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD A6-3670K has integrated graphics, called iGPU for short.
Specifically, the AMD A6-3670K uses the AMD Radeon HD 6530D, which has 320 texture shaders
and 5 execution units.
192 Shaders 320
Q2/2013 Release date Q4/2010
0.8 GHz GPU frequency 0.44 GHz
5 Generation 3
32 nm Technology 32 nm
-- GPU (Turbo) --
-- Max. displays --
3 Execution units 5
AMD Radeon HD 8470D GPU name AMD Radeon HD 6530D
2.0 GB Max. GPU Memory 1.0 GB
11.2 Direct X 11
 
 

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

Memory & PCIe

-- Bandwidth --
pci PCIe pci
2 Memory channels 2
0 bytes Max. Memory 0 bytes
No ECC No
Yes AES-NI No
DDR3-1866 Memory type DDR3-1600
 
 

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.
The processor has a thermal design power (TDP) of 100 W watts.
65 W TDP (PL1 / PBP) 100 W
-- Tjunction max --
 
 

Technical details

The AMD A6-6400K 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 A6-3670K is manufactured using a 32 nm process.
In total, this processor boasts a generous 4.0 MB cache.
Q2/2013 Release date Q4/2011
-- Part Number --
Richland (Piledriver) Architecture Llano (K10)
Windows 10, Linux Operating systems Windows 10, Linux
32 nm Technology 32 nm
-- Chip design --
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
0 bytes L2-Cache 0 bytes
AMD-V Virtualization AMD-V
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE3, SSE4a
55 $ Release price 60 $
FM2 Socket FM1
1.0 MB L3-Cache 4.0 MB
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