AMD Ryzen 9 3800X vs Intel Core i9-9820X

Comparative analysis of AMD Ryzen 9 3800X and Intel Core i9-9820X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization, Peripherals, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the AMD Ryzen 9 3800X

  • CPU is newer: launch date 1 year(s) 2 month(s) later
  • 6 more cores, run more applications at once: 16 vs 10
  • 12 more threads: 32 vs 20
  • Around 15% higher clock speed: 4.7 GHz vs 4.10 GHz
  • 2.4x more L1 cache, more data can be stored in the L1 cache for quick access later
  • Around 32% lower typical power consumption: 125 Watt vs 165 Watt
  • Around 27% better performance in PassMark - Single thread mark: 2981 vs 2353
  • Around 16% better performance in PassMark - CPU mark: 24504 vs 21070
Specifications (specs)
Launch date December 2019 vs October 2018
Number of cores 16 vs 10
Number of threads 32 vs 20
Maximum frequency 4.7 GHz vs 4.10 GHz
L1 cache 96K (per core) vs 64K (per core)
Thermal Design Power (TDP) 125 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark 2981 vs 2353
PassMark - CPU mark 24504 vs 21070

Reasons to consider the Intel Core i9-9820X

  • Around 25% more L2 cache; more data can be stored in the L2 cache for quick access later
  • 540672x more L3 cache, more data can be stored in the L3 cache for quick access later
L2 cache 1 MB (per core) vs 512K (per core)
L3 cache 16.5 MB (shared) vs 32MB

Compare benchmarks

CPU 1: AMD Ryzen 9 3800X
CPU 2: Intel Core i9-9820X

PassMark - Single thread mark
CPU 1
CPU 2
2981
2353
PassMark - CPU mark
CPU 1
CPU 2
24504
21070
Name AMD Ryzen 9 3800X Intel Core i9-9820X
PassMark - Single thread mark 2981 2353
PassMark - CPU mark 24504 21070

Compare specifications (specs)

AMD Ryzen 9 3800X Intel Core i9-9820X

Essentials

Architecture codename Zen 2 Skylake
Launch date December 2019 October 2018
Place in performance rating 10 52
Vertical segment Desktop Desktop
Processor Number i9-9820X
Series Intel® Core™ X-series Processors
Status Launched

Performance

64 bit support
Base frequency 3.9 GHz 3.30 GHz
Front-side bus (FSB) 7 nm
L1 cache 96K (per core) 64K (per core)
L2 cache 512K (per core) 1 MB (per core)
L3 cache 32MB 16.5 MB (shared)
Maximum frequency 4.7 GHz 4.10 GHz
Number of cores 16 10
Number of threads 32 20
Transistor count 19,200 million
Unlocked
Bus Speed 8 GT/s DMI3
Manufacturing process technology 14 nm
Maximum case temperature (TCase) 72 °C
Maximum core temperature 92°C
Number of QPI Links 0

Memory

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

Compatibility

Sockets supported AM4 FCLGA2066
Thermal Design Power (TDP) 125 Watt 165 Watt
Max number of CPUs in a configuration 1
Thermal Solution PCG 2017X

Advanced Technologies

Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units 2

Virtualization

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

Peripherals

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

Security & Reliability

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