AMD Athlon II X4 645 vs AMD FX-8350

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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 FX-8350 features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2012 and belongs to the 2 generation of the AMD FX series.
To use the AMD FX-8350, you'll need a motherboard with a AM3+ socket.
Desktop / Server Segment Desktop / Server
AMD Athlon II X4 645 Name AMD FX-8350
AMD Athlon II Family AMD FX
1 Generation 2
AMD Athlon II X4 (Propus) Group AMD FX-8000
 
 

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 FX-8350 has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the AMD FX-8350 is 4.0 GHz
and turbo frequency for one core is 4.2 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
4 Threads 8
None None 4.1 GHz
No Hyperthreading No
4x Cores 8x
No Overclocking Yes
normal Core architecture normal
3.1 GHz Frequency 4.0 GHz
None None 4.2 GHz
4 CPU Cores 8
 
 

Internal Graphics

The AMD Athlon II X4 645 does not have integrated graphics.
The AMD FX-8350 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

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

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.
The processor has a thermal design power (TDP) of 125 W watts.
-- Tjunction max --
95 W TDP (PL1 / PBP) 125 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 FX-8350 is manufactured using a 32 nm process.
In total, this processor boasts a generous 8.0 MB cache.
Q3/2010 Release date Q4/2012
-- Part Number --
2.0 MB L2-Cache 0 bytes
AMD-V Virtualization AMD-V
SSE3, SSE4a, MMX, 3DNow! ISA extensions SSE4.1, SSE4.2, AVX, FMA3, FMA4
-- Chip design --
Propus Architecture Vishera (Bulldozer)
45 nm Technology 32 nm
AM3 Socket AM3+
Windows 10, Linux Operating systems Windows 10, Linux
-- Release price 170 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
0 bytes L3-Cache 8.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD FX-8350
8C 8T @ 4.0 GHz
5992
5992
AMD Athlon II X4 645
4C 4T @ 3.1 GHz
2274
2274

Cinebench R23 (Multi-Core)

AMD FX-8350
8C 8T @ 4.0 GHz
3803
3803
AMD Athlon II X4 645
4C 4T @ 3.1 GHz
1520
1520

Geekbench 5, 64bit (Multi-Core)

AMD FX-8350
8C 8T @ 4.0 GHz
2777
2777
AMD Athlon II X4 645
4C 4T @ 3.1 GHz
1374
1374

CPU-Z Benchmark 17 (Multi-Core)

AMD FX-8350
8C 8T @ 4.0 GHz
1543
1543
AMD Athlon II X4 645
4C 4T @ 3.1 GHz
575
575

Cinebench R20 (Multi-Core)

AMD FX-8350
8C 8T @ 4.0 GHz
1298
1298
AMD Athlon II X4 645
4C 4T @ 3.1 GHz
601
601

Blender 2.81 (bmw27)

AMD FX-8350
8C 8T @ 4.0 GHz
691.3
691.3

Cinebench R23 (Single-Core)

AMD FX-8350
8C 8T @ 4.0 GHz
579
579
AMD Athlon II X4 645
4C 4T @ 3.1 GHz
402
402

Geekbench 5, 64bit (Single-Core)

AMD FX-8350
8C 8T @ 4.0 GHz
573
573
AMD Athlon II X4 645
4C 4T @ 3.1 GHz
399
399

Cinebench R20 (Single-Core)

AMD FX-8350
8C 8T @ 4.0 GHz
209
209
AMD Athlon II X4 645
4C 4T @ 3.1 GHz
157
157