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.
AMD Athlon II X4 (Llano) Group AMD A8-3000
Desktop / Server Segment Desktop / Server
2 Generation 1
AMD Athlon II Family AMD A
AMD Athlon II X4 651 Name AMD A8-3870K
 
 

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
4 Threads 4
No Hyperthreading No
3.0 GHz Frequency 3.1 GHz
4 CPU Cores 4
4x Cores 4x
normal Core architecture normal
No Overclocking Yes
 
 

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 name AMD Radeon HD 6550D
-- Max. displays --
-- Technology 32 nm
0 bytes Max. GPU Memory 1.0 GB
-- Generation 3
-- GPU frequency 0.6 GHz
-- Direct X 11
-- Execution units 5
-- Shaders 400
-- Release date Q2/2011
-- GPU (Turbo) --
 
 

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

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

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

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.
32 nm Technology 32 nm
Llano Architecture Llano (K10)
FM1 Socket FM1
-- Part Number --
-- Chip design --
SSE3, SSE4a, MMX, 3DNow! ISA extensions SSE3, SSE4a
0 bytes L3-Cache 4.0 MB
Windows 10, Linux Operating systems Windows 10, Linux
-- Release price 80 $
Technical data sheet Documents Technical data sheet
AMD-V Virtualization AMD-V
Q4/2011 Release date Q4/2011
4.0 MB L2-Cache 0 bytes
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)