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.

 

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: 32666 vs 28303
  • 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 32666 vs 28303
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
28303
32666
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 28303 32666
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 552 593
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™)