AMD Athlon II X4 651K vs AMD A8-7650K

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Athlon II X4 651K or AMD Athlon II X4 651K – 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 Athlon II X4 651K features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q4/2011 and belongs to the 2 generation of the AMD Athlon II series.
To use the AMD Athlon II X4 651K, you'll need a motherboard with a FM1 socket.
The AMD A8-7650K features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2014 and belongs to the 4 generation of the AMD A series.
To use the AMD A8-7650K, you'll need a motherboard with a FM2+ socket.
AMD Athlon II X4 651K Name AMD A8-7650K
2 Generation 4
AMD Athlon II X4 (Llano) Group AMD A8-7000
Desktop / Server Segment Mobile
AMD Athlon II Family AMD A
 
 

CPU Cores and Base Frequency

The AMD Athlon II X4 651K has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Athlon II X4 651K is 3.0 GHz
The AMD A8-7650K has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD A8-7650K is 3.3 GHz
and turbo frequency for one core is 3.8 GHz.
4 CPU Cores 4
None None 3.8 GHz
4x Cores 4x
3.0 GHz Frequency 3.3 GHz
normal Core architecture normal
Yes Overclocking Yes
4 Threads 4
None None 3.8 GHz
No Hyperthreading No
 
 

Internal Graphics

The AMD Athlon II X4 651K does not have integrated graphics.
The AMD A8-7650K has integrated graphics, called iGPU for short.
Specifically, the AMD A8-7650K uses the AMD Radeon R7 - 384 (Kaveri), which has 384 texture shaders
and 6 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- GPU (Turbo) --
-- Shaders 384
-- Max. displays --
-- Release date Q1/2015
-- Technology 28 nm
0 bytes Max. GPU Memory 2.0 GB
-- GPU frequency 0.72 GHz
-- Execution units 6
-- Generation 6
GPU name AMD Radeon R7 - 384 (Kaveri)
-- Direct X 12
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
No ECC Yes
pci PCIe pci
16.0 GB Max. Memory 0 bytes
21.3 GB/s Bandwidth --
DDR3-1333 Memory type DDR3-2133
No AES-NI Yes
 
 

Thermal Management

The processor has a thermal design power (TDP) of 100 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.
-- Tjunction max --
100 W TDP (PL1 / PBP) 95 W
 
 

Technical details

The AMD Athlon II X4 651K is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD A8-7650K is manufactured using a 28 nm process.
In total, this processor boasts a generous 4.0 MB cache.
Llano Architecture Kaveri (Steamroller)
SSE3, SSE4a, MMX, 3DNow! ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
-- Part Number --
0 bytes L3-Cache 4.0 MB
-- Release price 95 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
32 nm Technology 28 nm
AMD-V Virtualization AMD-V
-- Chip design --
Q4/2011 Release date Q1/2014
4.0 MB L2-Cache 0 bytes
FM1 Socket FM2+
Windows 10, Linux Operating systems