AMD Ryzen 9 5900X vs AMD Ryzen 9 3900XT

Comparative analysis of AMD Ryzen 9 5900X and AMD Ryzen 9 3900XT 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 5900X

AMD Ryzen 9 3900XT

Differences

Reasons to consider the AMD Ryzen 9 5900X

CPU is newer: launch date 4 month(s) later
Around 2% higher clock speed: 4.8 GHz vs 4.7 GHz
Around 26% better performance in PassMark - Single thread mark: 3471 vs 2748
Around 20% better performance in PassMark - CPU mark: 39192 vs 32738
Around 19% better performance in 3DMark Fire Strike - Physics Score: 10192 vs 8585

Specifications (specs)
Launch date	5 Nov 2020 vs July 2020
Maximum frequency	4.8 GHz vs 4.7 GHz
Benchmarks
PassMark - Single thread mark	3471 vs 2748
PassMark - CPU mark	39192 vs 32738
3DMark Fire Strike - Physics Score	10192 vs 8585

Compare benchmarks

CPU 1: AMD Ryzen 9 5900X
CPU 2: AMD Ryzen 9 3900XT

PassMark - Single thread mark

CPU 1

CPU 2

3471

2748

PassMark - CPU mark

CPU 1

CPU 2

39192

32738

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

10192

8585

Name	AMD Ryzen 9 5900X	AMD Ryzen 9 3900XT
PassMark - Single thread mark	3471	2748
PassMark - CPU mark	39192	32738
3DMark Fire Strike - Physics Score	10192	8585

Compare specifications (specs)

	AMD Ryzen 9 5900X	AMD Ryzen 9 3900XT
Essentials
Architecture codename	Zen 3	Zen 2
Launch date	5 Nov 2020	July 2020
Launch price (MSRP)	$549
OPN PIB	100-100000061WOF	100-100000277WOF
OPN Tray	100-000000061
Place in performance rating	334	623
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.7 GHz	3.8 GHz
L1 cache	768 KB
L2 cache	6 MB	6 MB
L3 cache	64 MB	64 MB
Manufacturing process technology	7 nm	7 nm
Maximum core temperature	95 °C
Maximum frequency	4.8 GHz	4.7 GHz
Number of cores	12	12
Number of threads	24	24
Unlocked
Memory
ECC memory support
Max memory channels	2	2
Maximum memory bandwidth	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	105 Watt
Peripherals
Max number of PCIe lanes	20	20
PCI Express revision	4.0	4.0
PCIe configurations	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™)