AMD Ryzen 7 3800XT vs AMD Ryzen 9 PRO 3900

Comparative analysis of AMD Ryzen 7 3800XT and AMD Ryzen 9 PRO 3900 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics interfaces, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

AMD Ryzen 7 3800XT

AMD Ryzen 9 PRO 3900

Differences

Reasons to consider the AMD Ryzen 7 3800XT

CPU is newer: launch date 9 month(s) later
Around 9% higher clock speed: 4.7 GHz vs 4.3 GHz
Around 4% better performance in PassMark - Single thread mark: 2802 vs 2692

Specifications (specs)
Launch date	21 Jul 2020 vs 30 Sep 2019
Maximum frequency	4.7 GHz vs 4.3 GHz
Benchmarks
PassMark - Single thread mark	2802 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 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 34% better performance in PassMark - CPU mark: 31609 vs 23625
Around 26% better performance in 3DMark Fire Strike - Physics Score: 8013 vs 6357

Specifications (specs)
Number of cores	12 vs 8
Number of threads	24 vs 16
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 23625
3DMark Fire Strike - Physics Score	8013 vs 6357

Compare benchmarks

CPU 1: AMD Ryzen 7 3800XT
CPU 2: AMD Ryzen 9 PRO 3900

PassMark - Single thread mark

CPU 1

CPU 2

2802

2692

PassMark - CPU mark

CPU 1

CPU 2

23625

31609

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

6357

8013

Name	AMD Ryzen 7 3800XT	AMD Ryzen 9 PRO 3900
PassMark - Single thread mark	2802	2692
PassMark - CPU mark	23625	31609
3DMark Fire Strike - Physics Score	6357	8013

Compare specifications (specs)

	AMD Ryzen 7 3800XT	AMD Ryzen 9 PRO 3900
Essentials
Architecture codename	Zen 2	Zen 2
Launch date	21 Jul 2020	30 Sep 2019
Launch price (MSRP)	$400
OPN PIB	100-100000279WOF
Place in performance rating	786	678
Vertical segment	Desktop	Desktop
Family		Ryzen 9
OPN Tray		100-000000072
Processor Number		PRO 3900
Performance
Base frequency	3.9 GHz	3.1 GHz
L2 cache	4 MB	6 MB
L3 cache	32 MB	64 MB
Manufacturing process technology	7 nm	7 nm
Maximum frequency	4.7 GHz	4.3 GHz
Number of cores	8	12
Number of threads	16	24
Unlocked
L1 cache		768 KB
Maximum core temperature		95 °C
Memory
Max memory channels	2	2
Supported memory types	DDR4-3200	DDR4-3200
Maximum memory bandwidth		47.68 GB/s
Maximum memory size		128 GB
Graphics interfaces
DisplayPort
HDMI
Compatibility
Sockets supported	AM4	AM4
Thermal Design Power (TDP)	105 Watt	65 Watt
Max number of CPUs in a configuration		1
Peripherals
PCI Express revision	3.0	4.0
Max number of PCIe lanes		20
PCIe configurations		1x16+x4, 2x8+x4, 1x8+2x4+x4
Advanced Technologies
AMD StoreMI technology
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™)