AMD Ryzen 9 3900X vs AMD Ryzen 9 3800X

Comparative analysis of AMD Ryzen 9 3900X and AMD Ryzen 9 3800X 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the AMD Ryzen 9 3900X

  • Around 97772% higher clock speed: 4600 MHz vs 4.7 GHz
  • 2097152x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 19% lower typical power consumption: 105 Watt vs 125 Watt
  • Around 30% better performance in PassMark - CPU mark: 31916 vs 24572
Specifications (specs)
Maximum frequency 4600 MHz vs 4.7 GHz
L3 cache 64 MB vs 32MB
Thermal Design Power (TDP) 105 Watt vs 125 Watt
Benchmarks
PassMark - CPU mark 31916 vs 24572

Reasons to consider the AMD Ryzen 9 3800X

  • CPU is newer: launch date 4 month(s) later
  • 4 more cores, run more applications at once: 16 vs 12
  • 8 more threads: 32 vs 24
  • Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 2% better performance in PassMark - Single thread mark: 2985 vs 2930
Specifications (specs)
Launch date December 2019 vs 7 July 2019
Number of cores 16 vs 12
Number of threads 32 vs 24
L2 cache 512K (per core) vs 6 MB
Benchmarks
PassMark - Single thread mark 2985 vs 2930

Compare benchmarks

CPU 1: AMD Ryzen 9 3900X
CPU 2: AMD Ryzen 9 3800X

PassMark - Single thread mark
CPU 1
CPU 2
2930
2985
PassMark - CPU mark
CPU 1
CPU 2
31916
24572
Name AMD Ryzen 9 3900X AMD Ryzen 9 3800X
PassMark - Single thread mark 2930 2985
PassMark - CPU mark 31916 24572
Geekbench 4 - Single Core 5653
Geekbench 4 - Multi-Core 45638
3DMark Fire Strike - Physics Score 0

Compare specifications (specs)

AMD Ryzen 9 3900X AMD Ryzen 9 3800X

Essentials

Architecture codename Zen 2 Zen 2
Family Ryzen
Launch date 7 July 2019 December 2019
OPN PIB 100-100000023BOX
OPN Tray 100-000000023
Place in performance rating 19 10
Vertical segment Desktop Desktop

Performance

Base frequency 3800 MHz 3.9 GHz
L2 cache 6 MB 512K (per core)
L3 cache 64 MB 32MB
Manufacturing process technology 7 nm
Maximum frequency 4600 MHz 4.7 GHz
Number of cores 12 16
Number of threads 24 32
Unlocked
64 bit support
Front-side bus (FSB) 7 nm
L1 cache 96K (per core)
Transistor count 19,200 million

Memory

Max memory channels 2
Supported memory types DDR4-3200 DDR4

Compatibility

Sockets supported AM4 AM4
Thermal Design Power (TDP) 105 Watt 125 Watt

Peripherals

PCI Express revision 4.0
PCIe configurations x16

Advanced Technologies

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™)