AMD Athlon II X4 651 vs AMD A8-3870K

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Athlon II X4 651 or AMD Athlon II X4 651 – 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 651 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 651, you'll need a motherboard with a FM1 socket.
The AMD A8-3870K 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 A8-3870K, you'll need a motherboard with a FM1 socket.
Desktop / Server Segment Desktop / Server
AMD Athlon II X4 651 Name AMD A8-3870K
AMD Athlon II X4 (Llano) Group AMD A8-3000
2 Generation 1
AMD Athlon II Family AMD A
 
 

CPU Cores and Base Frequency

The AMD Athlon II X4 651 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Athlon II X4 651 is 3.0 GHz
The AMD A8-3870K has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD A8-3870K is 3.1 GHz
No Overclocking Yes
No Hyperthreading No
4 CPU Cores 4
4 Threads 4
normal Core architecture normal
4x Cores 4x
3.0 GHz Frequency 3.1 GHz
 
 

Internal Graphics

The AMD Athlon II X4 651 does not have integrated graphics.
The AMD A8-3870K has integrated graphics, called iGPU for short.
Specifically, the AMD A8-3870K uses the AMD Radeon HD 6550D, which has 400 texture shaders
and 5 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- GPU frequency 0.6 GHz
-- Execution units 5
-- Release date Q2/2011
-- GPU (Turbo) --
-- Max. displays --
-- Shaders 400
0 bytes Max. GPU Memory 1.0 GB
-- Generation 3
-- Direct X 11
-- Technology 32 nm
GPU name AMD Radeon HD 6550D
 
 

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

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.
16.0 GB Max. Memory 0 bytes
DDR3-1333 Memory type DDR3-1600
pci PCIe pci
No AES-NI No
21.3 GB/s Bandwidth --
No ECC No
2 Memory channels 2
 
 

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.
100 W TDP (PL1 / PBP) 100 W
-- Tjunction max --
 
 

Technical details

The AMD Athlon II X4 651 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 A8-3870K is manufactured using a 32 nm process.
In total, this processor boasts a generous 4.0 MB cache.
Windows 10, Linux Operating systems Windows 10, Linux
4.0 MB L2-Cache 0 bytes
SSE3, SSE4a, MMX, 3DNow! ISA extensions SSE3, SSE4a
0 bytes L3-Cache 4.0 MB
Q4/2011 Release date Q4/2011
-- Release price 80 $
Technical data sheet Documents Technical data sheet
-- Part Number --
FM1 Socket FM1
Llano Architecture Llano (K10)
AMD-V Virtualization AMD-V
32 nm Technology 32 nm
-- Chip design --
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)