AMD Ryzen 7 5800X vs AMD Ryzen 9 PRO 3900

Comparative analysis of AMD Ryzen 7 5800X and AMD Ryzen 9 PRO 3900 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 7 5800X

AMD Ryzen 9 PRO 3900

Differences

Reasons to consider the AMD Ryzen 7 5800X

CPU is newer: launch date 1 year(s) 1 month(s) later
Around 9% higher clock speed: 4.7 GHz vs 4.3 GHz
Around 28% better performance in PassMark - Single thread mark: 3446 vs 2692

Specifications (specs)
Launch date	5 Nov 2020 vs 30 Sep 2019
Maximum frequency	4.7 GHz vs 4.3 GHz
Benchmarks
PassMark - Single thread mark	3446 vs 2692

Reasons to consider the AMD Ryzen 9 PRO 3900

4 more cores, run more applications at once: 12 vs 8
8 more threads: 24 vs 16
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 62% lower typical power consumption: 65 Watt vs 105 Watt
Around 13% better performance in PassMark - CPU mark: 31609 vs 27912
Around 5% better performance in 3DMark Fire Strike - Physics Score: 8013 vs 7634

Specifications (specs)
Number of cores	12 vs 8
Number of threads	24 vs 16
L1 cache	768 KB vs 512 KB
L2 cache	6 MB vs 4 MB
L3 cache	64 MB vs 32 MB
Thermal Design Power (TDP)	65 Watt vs 105 Watt
Benchmarks
PassMark - CPU mark	31609 vs 27912
3DMark Fire Strike - Physics Score	8013 vs 7634

Compare benchmarks

CPU 1: AMD Ryzen 7 5800X
CPU 2: AMD Ryzen 9 PRO 3900

PassMark - Single thread mark

CPU 1

CPU 2

3446

2692

PassMark - CPU mark

CPU 1

CPU 2

27912

31609

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

7634

8013

Name	AMD Ryzen 7 5800X	AMD Ryzen 9 PRO 3900
PassMark - Single thread mark	3446	2692
PassMark - CPU mark	27912	31609
3DMark Fire Strike - Physics Score	7634	8013

Compare specifications (specs)

	AMD Ryzen 7 5800X	AMD Ryzen 9 PRO 3900
Essentials
Architecture codename	Zen 3	Zen 2
Launch date	5 Nov 2020	30 Sep 2019
Launch price (MSRP)	$449
OPN PIB	100-100000063WOF
OPN Tray	100-000000063	100-000000072
Place in performance rating	516	678
Vertical segment	Desktop	Desktop
Family		Ryzen 9
Processor Number		PRO 3900
Performance
Base frequency	3.8 GHz	3.1 GHz
L1 cache	512 KB	768 KB
L2 cache	4 MB	6 MB
L3 cache	32 MB	64 MB
Manufacturing process technology	7 nm	7 nm
Maximum core temperature	95 °C	95 °C
Maximum frequency	4.7 GHz	4.3 GHz
Number of cores	8	12
Number of threads	16	24
Unlocked
Memory
ECC memory support
Max memory channels	2	2
Maximum memory bandwidth	47.68 GB/s	47.68 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-3200	DDR4-3200
Compatibility
Sockets supported	AM4	AM4
Thermal Design Power (TDP)	105 Watt	65 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	20	20
PCI Express revision	4.0	4.0
PCIe configurations	1x16+x4, 2x8+x4, 1x8+2x4+x4	1x16+x4, 2x8+x4, 1x8+2x4+x4
Advanced Technologies
AMD SenseMI
AMD StoreMI technology
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™)