AMD Ryzen 9 3900 vs AMD PRO A12-8870

Comparative analysis of AMD Ryzen 9 3900 and AMD PRO A12-8870 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Graphics, Graphics API support. Benchmark processor performance analysis: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), PassMark - Single thread mark, PassMark - CPU mark.

AMD Ryzen 9 3900

AMD PRO A12-8870

Differences

Reasons to consider the AMD Ryzen 9 3900

Processor is unlocked, an unlocked multiplier allows for easier overclocking
8 more cores, run more applications at once: 12 vs 4
Around 102281% higher clock speed: 4300 MHz vs 4.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 28 nm
3x more L2 cache, more data can be stored in the L2 cache for quick access later

Unlocked	Unlocked vs Locked
Number of cores	12 vs 4
Maximum frequency	4300 MHz vs 4.2 GHz
Manufacturing process technology	7 nm vs 28 nm
L2 cache	6 MB vs 2 MB

Compare benchmarks

CPU 1: AMD Ryzen 9 3900
CPU 2: AMD PRO A12-8870

Name	AMD Ryzen 9 3900	AMD PRO A12-8870
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	30.97
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	70.972
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.748
CompuBench 1.5 Desktop - Video Composition (Frames/s)	4.924
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	19.043
PassMark - Single thread mark		1782
PassMark - CPU mark		3869

Compare specifications (specs)

	AMD Ryzen 9 3900	AMD PRO A12-8870
Essentials
Architecture codename	Zen 2
Launch date	24 Sep 2019	Q3 2016
OPN Tray	100-000000070	AD887BAUM44AB
Place in performance rating	1442	1450
Vertical segment	Desktop	Desktop
Family		AMD PRO A-Series Processors
OS Support		Windows 10 - 64-Bit Edition, Windows 7 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit
Series		AMD PRO A-Series A12 APU for Desktops
Performance
64 bit support
Base frequency	3100 MHz	3.7 GHz
L1 cache	768 KB
L2 cache	6 MB	2 MB
L3 cache	64 MB
Manufacturing process technology	7 nm	28 nm
Maximum core temperature	95 °C
Maximum frequency	4300 MHz	4.2 GHz
Number of cores	12	4
Number of threads	24
Unlocked
Number of GPU cores		8
Memory
Max memory channels	2	2
Maximum memory bandwidth	47.68 GB/s
Maximum memory size	128 GB
Supported memory types	DDR4-3200
Supported memory frequency		2400 MHz
Compatibility
Sockets supported	AM4	AM4
Thermal Design Power (TDP)	65 Watt	65 Watt
Peripherals
Max number of PCIe lanes	20
PCI Express revision	4.0	3.0
PCIe configurations	1x16+x4, 2x8+x4, 1x8+2x4+x4
Advanced Technologies
Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
FreeSync
Fused Multiply-Add 4 (FMA4)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)
Graphics
Graphics max frequency		1108 MHz
Processor graphics		R7
Switchable graphics
Graphics API support
DirectX		12
Vulkan