AMD Ryzen 9 3900X vs Intel Core i9-9820X

Comparative analysis of AMD Ryzen 9 3900X and Intel Core i9-9820X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, 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, 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).

 

Differences

Reasons to consider the AMD Ryzen 9 3900X

  • CPU is newer: launch date 9 month(s) later
  • 2 more cores, run more applications at once: 12 vs 10
  • 4 more threads: 24 vs 20
  • Around 112095% higher clock speed: 4600 MHz vs 4.10 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
  • 3.9x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 57% lower typical power consumption: 105 Watt vs 165 Watt
  • Around 10% better performance in PassMark - Single thread mark: 2707 vs 2453
  • Around 63% better performance in PassMark - CPU mark: 32660 vs 20045
Specifications (specs)
Launch date 7 July 2019 vs October 2018
Number of cores 12 vs 10
Number of threads 24 vs 20
Maximum frequency 4600 MHz vs 4.10 GHz
Manufacturing process technology 7 nm vs 14 nm
L3 cache 64 MB vs 16.5 MB (shared)
Thermal Design Power (TDP) 105 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark 2707 vs 2453
PassMark - CPU mark 32660 vs 20045

Reasons to consider the Intel Core i9-9820X

  • Around 67% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 19% better performance in 3DMark Fire Strike - Physics Score: 10201 vs 8594
Specifications (specs)
L2 cache 1 MB (per core) vs 6 MB
Benchmarks
3DMark Fire Strike - Physics Score 10201 vs 8594

Compare benchmarks

CPU 1: AMD Ryzen 9 3900X
CPU 2: Intel Core i9-9820X

PassMark - Single thread mark
CPU 1
CPU 2
2707
2453
PassMark - CPU mark
CPU 1
CPU 2
32660
20045
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
8594
10201
Name AMD Ryzen 9 3900X Intel Core i9-9820X
PassMark - Single thread mark 2707 2453
PassMark - CPU mark 32660 20045
Geekbench 4 - Single Core 1276
Geekbench 4 - Multi-Core 12037
3DMark Fire Strike - Physics Score 8594 10201
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 30.575
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 72.097
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.745
CompuBench 1.5 Desktop - Video Composition (Frames/s) 5.887
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 22.686

Compare specifications (specs)

AMD Ryzen 9 3900X Intel Core i9-9820X

Essentials

Architecture codename Zen 2 Skylake
Family Ryzen
Launch date 7 July 2019 October 2018
OPN PIB 100-100000023BOX
OPN Tray 100-000000023
Place in performance rating 1006 770
Vertical segment Desktop Desktop
Processor Number i9-9820X
Series Intel® Core™ X-series Processors
Status Launched

Performance

Base frequency 3800 MHz 3.30 GHz
L2 cache 6 MB 1 MB (per core)
L3 cache 64 MB 16.5 MB (shared)
Manufacturing process technology 7 nm 14 nm
Maximum frequency 4600 MHz 4.10 GHz
Number of cores 12 10
Number of threads 24 20
Unlocked
64 bit support
Bus Speed 8 GT/s DMI3
L1 cache 64K (per core)
Maximum case temperature (TCase) 72 °C
Maximum core temperature 92°C
Number of QPI Links 0

Memory

Max memory channels 2 4
Supported memory types DDR4-3200 DDR4-2666
Maximum memory size 128 GB

Compatibility

Sockets supported AM4 FCLGA2066
Thermal Design Power (TDP) 105 Watt 165 Watt
Max number of CPUs in a configuration 1
Thermal Solution PCG 2017X

Peripherals

PCI Express revision 4.0 3.0
PCIe configurations x16
Max number of PCIe lanes 44
Scalability 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units 2

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)