AMD Ryzen 9 3900 vs AMD Ryzen 7 1800X

Comparative analysis of AMD Ryzen 9 3900 and AMD Ryzen 7 1800X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), 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 3900

  • CPU is newer: launch date 2 year(s) 6 month(s) later
  • 4 more cores, run more applications at once: 12 vs 8
  • 8 more threads: 24 vs 16
  • Around 107400% higher clock speed: 4300 MHz vs 4 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
  • Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
  • 4x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 46% lower typical power consumption: 65 Watt vs 95 Watt
  • Around 32% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 30.97 vs 23.426
  • Around 27% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 70.972 vs 55.914
  • Around 51% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.748 vs 1.16
  • Around 32% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 4.924 vs 3.726
  • Around 31% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 19.043 vs 14.577
Specifications (specs)
Launch date 24 Sep 2019 vs 2 March 2017
Number of cores 12 vs 8
Number of threads 24 vs 16
Maximum frequency 4300 MHz vs 4 GHz
Manufacturing process technology 7 nm vs 14 nm
L2 cache 6 MB vs 4 MB
L3 cache 64 MB vs 16 MB
Thermal Design Power (TDP) 65 Watt vs 95 Watt
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 30.97 vs 23.426
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 70.972 vs 55.914
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.748 vs 1.16
CompuBench 1.5 Desktop - Video Composition (Frames/s) 4.924 vs 3.726
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 19.043 vs 14.577

Compare benchmarks

CPU 1: AMD Ryzen 9 3900
CPU 2: AMD Ryzen 7 1800X

CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
30.97
23.426
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
70.972
55.914
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
1.748
1.16
CompuBench 1.5 Desktop - Video Composition (Frames/s)
CPU 1
CPU 2
4.924
3.726
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
19.043
14.577
Name AMD Ryzen 9 3900 AMD Ryzen 7 1800X
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 30.97 23.426
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 70.972 55.914
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.748 1.16
CompuBench 1.5 Desktop - Video Composition (Frames/s) 4.924 3.726
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 19.043 14.577
PassMark - Single thread mark 2197
PassMark - CPU mark 16386
Geekbench 4 - Single Core 934
Geekbench 4 - Multi-Core 6333
3DMark Fire Strike - Physics Score 4496

Compare specifications (specs)

AMD Ryzen 9 3900 AMD Ryzen 7 1800X

Essentials

Architecture codename Zen 2 Zen
Launch date 24 Sep 2019 2 March 2017
OPN Tray 100-000000070 YD180XBCM88AE
Place in performance rating 1373 1530
Vertical segment Desktop Desktop
Family AMD Ryzen Processors
Launch price (MSRP) $499
OPN PIB YD180XBCAEWOF
OS Support Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit
Price now $249.49
Series AMD Ryzen 7 Desktop Processors
Value for money (0-100) 18.18

Performance

64 bit support
Base frequency 3100 MHz 3.6 GHz
L1 cache 768 KB 768 KB
L2 cache 6 MB 4 MB
L3 cache 64 MB 16 MB
Manufacturing process technology 7 nm 14 nm
Maximum core temperature 95 °C 95°C
Maximum frequency 4300 MHz 4 GHz
Number of cores 12 8
Number of threads 24 16
Unlocked
Die size 192 mm
Transistor count 4800 Million

Memory

Max memory channels 2 2
Maximum memory bandwidth 47.68 GB/s
Maximum memory size 128 GB
Supported memory types DDR4-3200 DDR4
Supported memory frequency 2667 MHz

Compatibility

Sockets supported AM4 AM4
Thermal Design Power (TDP) 65 Watt 95 Watt
Max number of CPUs in a configuration 1
Thermal Solution Not included

Peripherals

Max number of PCIe lanes 20
PCI Express revision 4.0 3.0 x16
PCIe configurations 1x16+x4, 2x8+x4, 1x8+2x4+x4

Advanced Technologies

Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
AMD SenseMI
Enmotus FuzeDrive
Extended Frequency Range (XFR)
Fused Multiply-Add (FMA)
Intel® AES New Instructions
The "Zen" Core Architecture

Virtualization

AMD Virtualization (AMD-V™)