AMD Athlon II X4 645 vs AMD Athlon II X4 860K

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Athlon II X4 645 or AMD Athlon II X4 645 – 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 645 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q3/2010 and belongs to the 1 generation of the AMD Athlon II series.
To use the AMD Athlon II X4 645, you'll need a motherboard with a AM3 socket.
The AMD Athlon II X4 860K features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q4/2014 and belongs to the 5 generation of the AMD Athlon II series.
To use the AMD Athlon II X4 860K, you'll need a motherboard with a FM2+ socket.
Desktop / Server Segment Desktop / Server
AMD Athlon II X4 645 Name AMD Athlon II X4 860K
AMD Athlon II Family AMD Athlon II
1 Generation 5
AMD Athlon II X4 (Propus) Group AMD Athlon II X4 (Kaveri)
 
 

CPU Cores and Base Frequency

The AMD Athlon II X4 645 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Athlon II X4 645 is 3.1 GHz
The AMD Athlon II X4 860K has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Athlon II X4 860K is 3.7 GHz
and turbo frequency for one core is 4.0 GHz.
4 Threads 4
None None 4.0 GHz
No Hyperthreading No
4x Cores 4x
No Overclocking Yes
normal Core architecture normal
3.1 GHz Frequency 3.7 GHz
None None 4.0 GHz
4 CPU Cores 4
 
 

Internal Graphics

The AMD Athlon II X4 645 does not have integrated graphics.
The AMD Athlon II X4 860K does not have integrated graphics.
-- GPU frequency --
-- Release date --
-- Direct X --
GPU name
-- Technology --
-- Max. displays --
-- Shaders --
0 bytes Max. GPU Memory 0 bytes
-- Execution units --
-- Generation --
-- 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.
-- AVC --
-- VC-1 --
-- VP9 --
-- h265 / HEVC (10 bit) --
-- h264 --
-- VP8 --
-- h265 / HEVC (8 bit) --
-- JPEG --
-- AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
16.0 GB Max. Memory 32.0 GB
pci PCIe pci
No AES-NI No
No ECC Yes
-- Bandwidth 34.1 GB/s
DDR3-1333 Memory type DDR3-2133
 
 

Thermal Management

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

Technical details

The AMD Athlon II X4 645 is manufactured using a 45 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 Athlon II X4 860K is manufactured using a 32 nm process.
Q3/2010 Release date Q4/2014
-- Part Number --
2.0 MB L2-Cache 4.0 MB
AMD-V Virtualization AMD-V
SSE3, SSE4a, MMX, 3DNow! ISA extensions SSE3, SSE4a, MMX, 3DNow!
-- Chip design --
Propus Architecture Kaveri
45 nm Technology 32 nm
AM3 Socket FM2+
Windows 10, Linux Operating systems Windows 10, Linux
-- Release price 70 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
0 bytes L3-Cache 0 bytes
 
 

Benchmarks

Cinebench R23 (Multi-Core)

AMD Athlon II X4 860K
4C 4T @ 3.7 GHz
1677
1677
AMD Athlon II X4 645
4C 4T @ 3.1 GHz
1520
1520