AMD A6-6400K vs AMD A4-4000

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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 A4-4000 features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q2/2013 and belongs to the 2 generation of the AMD A series.
To use the AMD A4-4000, you'll need a motherboard with a FM2 socket.
Desktop / Server Segment Desktop / Server
AMD A6-6400K Name AMD A4-4000
AMD A Family AMD A
3 Generation 2
AMD A6-6000 Group AMD A4-4000
 
 

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 A4-4000 has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the AMD A4-4000 is 3.0 GHz
and turbo frequency for one core is 3.2 GHz.
4.1 GHz Turbo Frequency (1 core) 3.2 GHz
Yes Overclocking No
normal Core architecture normal
3.9 GHz Frequency 3.0 GHz
2 Threads 2
4.1 GHz Turbo Frequency (all cores) 3.2 GHz
No Hyperthreading No
2 CPU Cores 2
2x Cores 2x
 
 

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 A4-4000 has integrated graphics, called iGPU for short.
Specifically, the AMD A4-4000 uses the AMD Radeon HD 7480D, which has 128 texture shaders
and 2 execution units.
0.8 GHz GPU frequency 0.72 GHz
Q2/2013 Release date Q2/2012
11.2 Direct X 11
AMD Radeon HD 8470D GPU name AMD Radeon HD 7480D
32 nm Technology 32 nm
-- Max. displays --
192 Shaders 128
2.0 GB Max. GPU Memory 2.0 GB
3 Execution units 2
5 Generation 4
-- GPU (Turbo) --
 
 

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

Memory & PCIe

2 Memory channels 2
0 bytes Max. Memory 0 bytes
pci PCIe pci
Yes AES-NI Yes
No ECC No
-- Bandwidth --
DDR3-1866 Memory type DDR3-1333
 
 

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 A6-6400K 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 A4-4000 is manufactured using a 32 nm process.
Q2/2013 Release date Q2/2013
-- Part Number --
0 bytes L2-Cache 0 bytes
AMD-V Virtualization AMD-V
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
-- Chip design --
Richland (Piledriver) Architecture Richland (Piledriver)
32 nm Technology 32 nm
FM2 Socket FM2
Windows 10, Linux Operating systems Windows 10, Linux
55 $ Release price 32 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
1.0 MB L3-Cache 1.0 MB
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

AMD A6-6400K
2C 2T @ 3.9 GHz
3292
3292
AMD A4-4000
2C 2T @ 3.0 GHz
2533
2533

Estimated results for PassMark CPU Mark

AMD A6-6400K
2C 2T @ 3.9 GHz
2397
2397
AMD A4-4000
2C 2T @ 3.0 GHz
1831
1831

Geekbench 3, 64bit (Single-Core)

AMD A6-6400K
2C 2T @ 3.9 GHz
2063
2063
AMD A4-4000
2C 2T @ 3.0 GHz
1629
1629

Geekbench 5, 64bit (Multi-Core)

AMD A6-6400K
2C 2T @ 3.9 GHz
723
723
AMD A4-4000
2C 2T @ 3.0 GHz
499
499

Geekbench 5, 64bit (Single-Core)

AMD A6-6400K
2C 2T @ 3.9 GHz
471
471
AMD A4-4000
2C 2T @ 3.0 GHz
348
348

CPU-Z Benchmark 17 (Multi-Core)

AMD A6-6400K
2C 2T @ 3.9 GHz
370
370
AMD A4-4000
2C 2T @ 3.0 GHz
293
293

Cinebench R11.5, 64bit (Multi-Core)

AMD A6-6400K
2C 2T @ 3.9 GHz
1.7
1.7
AMD A4-4000
2C 2T @ 3.0 GHz
1.3
1.3

Cinebench R11.5, 64bit (Single-Core)

AMD A6-6400K
2C 2T @ 3.9 GHz
0.8
0.8
AMD A4-4000
2C 2T @ 3.0 GHz
0.8
0.8