AMD Athlon II X3 445 vs AMD Ryzen 9 3900XT

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Athlon II X3 445 or AMD Athlon II X3 445 – 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 X3 445 features 3 processor cores and has the capability to manage 3 threads concurrently.
It was released in Q2/2010 and belongs to the 1 generation of the AMD Athlon II series.
To use the AMD Athlon II X3 445, you'll need a motherboard with a AM3 socket.
The AMD Ryzen 9 3900XT features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q2/2020 and belongs to the 3 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 3900XT, you'll need a motherboard with a AM4 (PGA 1331) socket.
AMD Athlon II X3 (Rana) Group AMD Ryzen 3000
1 Generation 3
AMD Athlon II X3 445 Name AMD Ryzen 9 3900XT
Desktop / Server Segment Desktop / Server
AMD Athlon II Family AMD Ryzen 9
 
 

CPU Cores and Base Frequency

The AMD Athlon II X3 445 has 3 CPU cores and can calculate 3 threads in parallel.
The clock frequency of the AMD Athlon II X3 445 is 3.1 GHz
The AMD Ryzen 9 3900XT has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the AMD Ryzen 9 3900XT is 4.1 GHz
and turbo frequency for one core is 4.7 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
None None 4.7 GHz
normal Core architecture normal
3.1 GHz Frequency 4.1 GHz
3 CPU Cores 12
No Overclocking Yes
No Hyperthreading Yes
3x Cores 12x
3 Threads 24
 
 

Internal Graphics

The AMD Athlon II X3 445 does not have integrated graphics.
The AMD Ryzen 9 3900XT does not have integrated graphics.
-- GPU (Turbo) --
-- Technology --
-- Direct X --
0 bytes Max. GPU Memory 0 bytes
-- Execution units --
-- Release date --
GPU name
-- Shaders --
-- GPU frequency --
-- Generation --
-- Max. displays --
 
 

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) --
-- VP9 --
-- VP8 --
-- VC-1 --
-- JPEG --
-- h264 --
-- h265 / HEVC (10 bit) --
-- AVC --
-- AV1 --
 
 

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.
The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
DDR3-1333 Memory type DDR4-3200
21.3 GB/s Bandwidth 51.2 GB/s
No AES-NI Yes
No ECC Yes
pci PCIe pci
16.0 GB Max. Memory 128.0 GB
2 Memory channels 2
 
 

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 105 W watts.
None TDP (PL2) 142 W
95 W TDP (PL1 / PBP) 105 W
-- Tjunction max 95 °C
 
 

Technical details

The AMD Athlon II X3 445 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 Ryzen 9 3900XT is manufactured using a 7 nm process.
In total, this processor boasts a generous 64.0 MB cache.
AMD-V Virtualization AMD-V, SVM
45 nm Technology 7 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a, MMX, 3DNow! ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
-- Part Number --
-- Chip design Chiplet
Q2/2010 Release date Q2/2020
-- Release price --
1.5 MB L2-Cache 0 bytes
Technical data sheet Documents Technical data sheet
0 bytes L3-Cache 64.0 MB
AM3 Socket AM4 (PGA 1331)
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
Rana Architecture Matisse (Zen 2)