AMD Ryzen 9 PRO 3900 vs AMD Ryzen 9 3800X

Comparative analysis of AMD Ryzen 9 PRO 3900 and AMD Ryzen 9 3800X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

AMD Ryzen 9 PRO 3900

AMD Ryzen 9 3800X

Differences

Reasons to consider the AMD Ryzen 9 PRO 3900

2097152x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 92% lower typical power consumption: 65 Watt vs 125 Watt
Around 37% better performance in PassMark - CPU mark: 31616 vs 23125

Specifications (specs)
L3 cache	64 MB vs 32MB
Thermal Design Power (TDP)	65 Watt vs 125 Watt
Benchmarks
PassMark - CPU mark	31616 vs 23125

Reasons to consider the AMD Ryzen 9 3800X

CPU is newer: launch date 2 month(s) later
4 more cores, run more applications at once: 16 vs 12
8 more threads: 32 vs 24
Around 9% higher clock speed: 4.7 GHz vs 4.3 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 1% better performance in PassMark - Single thread mark: 2717 vs 2681

Specifications (specs)
Launch date	December 2019 vs 30 Sep 2019
Number of cores	16 vs 12
Number of threads	32 vs 24
Maximum frequency	4.7 GHz vs 4.3 GHz
L1 cache	96K (per core) vs 768 KB
L2 cache	512K (per core) vs 6 MB
Benchmarks
PassMark - Single thread mark	2717 vs 2681

Compare benchmarks

CPU 1: AMD Ryzen 9 PRO 3900
CPU 2: AMD Ryzen 9 3800X

PassMark - Single thread mark

CPU 1

CPU 2

2681

2717

PassMark - CPU mark

CPU 1

CPU 2

31616

23125

Name	AMD Ryzen 9 PRO 3900	AMD Ryzen 9 3800X
PassMark - Single thread mark	2681	2717
PassMark - CPU mark	31616	23125
3DMark Fire Strike - Physics Score	7891

Compare specifications (specs)

	AMD Ryzen 9 PRO 3900	AMD Ryzen 9 3800X
Essentials
Architecture codename	Zen 2	Zen 2
Family	Ryzen 9
Launch date	30 Sep 2019	December 2019
OPN Tray	100-000000072
Place in performance rating	656	659
Processor Number	PRO 3900
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.1 GHz	3.9 GHz
L1 cache	768 KB	96K (per core)
L2 cache	6 MB	512K (per core)
L3 cache	64 MB	32MB
Manufacturing process technology	7 nm
Maximum core temperature	95 °C
Maximum frequency	4.3 GHz	4.7 GHz
Number of cores	12	16
Number of threads	24	32
Unlocked
64 bit support
Front-side bus (FSB)		7 nm
Transistor count		19,200 million
Memory
Max memory channels	2
Maximum memory bandwidth	47.68 GB/s
Maximum memory size	128 GB
Supported memory types	DDR4-3200	DDR4
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	AM4	AM4
Thermal Design Power (TDP)	65 Watt	125 Watt
Peripherals
Max number of PCIe lanes	20
PCI Express revision	4.0
PCIe configurations	1x16+x4, 2x8+x4, 1x8+2x4+x4
Advanced Technologies
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)