AMD Ryzen 7 5800X3D vs AMD Ryzen 9 3900XT

Comparative analysis of AMD Ryzen 7 5800X3D 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 7 5800X3D

AMD Ryzen 9 3900XT

Differences

Reasons to consider the AMD Ryzen 7 5800X3D

CPU is newer: launch date 1 year(s) 9 month(s) later
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 18% better performance in PassMark - Single thread mark: 3233 vs 2746

Specifications (specs)
Launch date	20 Apr 2022 vs July 2020
L3 cache	96 MB vs 64 MB
Benchmarks
PassMark - Single thread mark	3233 vs 2746

Reasons to consider the AMD Ryzen 9 3900XT

Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more cores, run more applications at once: 12 vs 8
8 more threads: 24 vs 16
Around 4% higher clock speed: 4.7 GHz vs 4.5 GHz
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 15% better performance in PassMark - CPU mark: 32670 vs 28304
Around 17% better performance in 3DMark Fire Strike - Physics Score: 8546 vs 7303

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	12 vs 8
Number of threads	24 vs 16
Maximum frequency	4.7 GHz vs 4.5 GHz
L2 cache	6 MB vs 4 MB
Benchmarks
PassMark - CPU mark	32670 vs 28304
3DMark Fire Strike - Physics Score	8546 vs 7303

Compare benchmarks

CPU 1: AMD Ryzen 7 5800X3D
CPU 2: AMD Ryzen 9 3900XT

PassMark - Single thread mark

CPU 1

CPU 2

3233

2746

PassMark - CPU mark

CPU 1

CPU 2

28304

32670

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

7303

8546

Name	AMD Ryzen 7 5800X3D	AMD Ryzen 9 3900XT
PassMark - Single thread mark	3233	2746
PassMark - CPU mark	28304	32670
3DMark Fire Strike - Physics Score	7303	8546

Compare specifications (specs)

	AMD Ryzen 7 5800X3D	AMD Ryzen 9 3900XT
Essentials
Architecture codename	Zen 3	Zen 2
Launch date	20 Apr 2022	July 2020
Launch price (MSRP)	$449
OPN PIB	100-100000651WOF	100-100000277WOF
OPN Tray	100-000000651
Place in performance rating	554	595
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.4 GHz	3.8 GHz
Die size	74 mm²
L1 cache	512 KB
L2 cache	4 MB	6 MB
L3 cache	96 MB	64 MB
Manufacturing process technology	7 nm	7 nm
Maximum core temperature	90 °C
Maximum frequency	4.5 GHz	4.7 GHz
Number of cores	8	12
Number of threads	16	24
Unlocked
Memory
ECC memory support
Max memory channels	2	2
Supported memory types	DDR4-3200	DDR4-3200
Maximum memory size		128 GB
Compatibility
Max number of CPUs in a configuration	1
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
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™)