AMD A6-6400K vs AMD Phenom II X3 B73

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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 Phenom II X3 B73 features 3 processor cores and has the capability to manage 3 threads concurrently.
It was released in Q3/2009 and belongs to the 3 generation of the AMD Phenom II series.
To use the AMD Phenom II X3 B73, you'll need a motherboard with a AM3 socket.
AMD A6-6000 Group AMD Phenom II - 700
3 Generation 3
Desktop / Server Segment Desktop / Server
AMD A6-6400K Name AMD Phenom II X3 B73
AMD A Family AMD Phenom II
 
 

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 Phenom II X3 B73 has 3 CPU cores and can calculate 3 threads in parallel.
The clock frequency of the AMD Phenom II X3 B73 is 2.8 GHz
2 Threads 3
2x Cores 3x
2 CPU Cores 3
normal Core architecture normal
No Hyperthreading No
Yes Overclocking Yes
4.1 GHz Turbo Frequency (1 core) None
3.9 GHz Frequency 2.8 GHz
4.1 GHz Turbo Frequency (all cores) None
 
 

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 Phenom II X3 B73 does not have integrated graphics.
192 Shaders --
Q2/2013 Release date --
32 nm Technology --
11.2 Direct X --
2.0 GB Max. GPU Memory 0 bytes
-- Max. displays --
3 Execution units --
0.8 GHz GPU frequency --
5 Generation --
-- GPU (Turbo) --
AMD Radeon HD 8470D GPU name
 
 

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

Memory & PCIe

pci PCIe pci
Yes AES-NI No
DDR3-1866 Memory type DDR3-1333, DDR2-1066
No ECC No
0 bytes Max. Memory 0 bytes
2 Memory channels 2
-- Bandwidth --
 
 

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 95 W watts.
65 W TDP (PL1 / PBP) 95 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 Phenom II X3 B73 is manufactured using a 45 nm process.
In total, this processor boasts a generous 6.0 MB cache.
Q2/2013 Release date Q3/2009
AMD-V Virtualization AMD-V
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE3, SSE4a
32 nm Technology 45 nm
-- Chip design --
55 $ Release price --
Richland (Piledriver) Architecture Heka (K10)
1.0 MB L3-Cache 6.0 MB
Windows 10, Linux Operating systems Windows 10, Linux
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
FM2 Socket AM3
0 bytes L2-Cache 0 bytes