AMD Ryzen 9 3800X vs Intel Core i9-9940X

Comparative analysis of AMD Ryzen 9 3800X and Intel Core i9-9940X 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Differences

Reasons to consider the AMD Ryzen 9 3800X

  • CPU is newer: launch date 1 year(s) 2 month(s) later
  • 2 more cores, run more applications at once: 16 vs 14
  • 4 more threads: 32 vs 28
  • Around 7% higher clock speed: 4.7 GHz vs 4.40 GHz
  • Around 71% 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 21% better performance in PassMark - Single thread mark: 2973 vs 2451
Specifications (specs)
Launch date December 2019 vs October 2018
Number of cores 16 vs 14
Number of threads 32 vs 28
Maximum frequency 4.7 GHz vs 4.40 GHz
L1 cache 96K (per core) vs 64K (per core)
Thermal Design Power (TDP) 125 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark 2973 vs 2451

Reasons to consider the Intel Core i9-9940X

  • Around 75% more L2 cache; more data can be stored in the L2 cache for quick access later
  • 630784x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 10% better performance in PassMark - CPU mark: 27104 vs 24617
Specifications (specs)
L2 cache 1 MB (per core) vs 512K (per core)
L3 cache 19.25 MB (shared) vs 32MB
Benchmarks
PassMark - CPU mark 27104 vs 24617

Compare benchmarks

CPU 1: AMD Ryzen 9 3800X
CPU 2: Intel Core i9-9940X

PassMark - Single thread mark
CPU 1
CPU 2
2973
2451
PassMark - CPU mark
CPU 1
CPU 2
24617
27104
Name AMD Ryzen 9 3800X Intel Core i9-9940X
PassMark - Single thread mark 2973 2451
PassMark - CPU mark 24617 27104
Geekbench 4 - Single Core 5288
Geekbench 4 - Multi-Core 42218

Compare specifications (specs)

AMD Ryzen 9 3800X Intel Core i9-9940X

Essentials

Architecture codename Zen 2 Skylake
Launch date December 2019 October 2018
Place in performance rating 2 4
Vertical segment Desktop Desktop
Processor Number i9-9940X
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 19.25 MB (shared)
Maximum frequency 4.7 GHz 4.40 GHz
Number of cores 16 14
Number of threads 32 28
Transistor count 19,200 million
Unlocked
Bus Speed 8 GT/s DMI3
Manufacturing process technology 14 nm
Maximum core temperature 88°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)