AMD Ryzen 9 3950X vs Intel Core i9-9940X

Comparative analysis of AMD Ryzen 9 3950X and Intel Core i9-9940X 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.

 

Differences

Reasons to consider the AMD Ryzen 9 3950X

  • CPU is newer: launch date 1 year(s) 1 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
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
  • Around 14% more L1 cache; more data can be stored in the L1 cache for quick access later
  • 3.3x 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 3% better performance in PassMark - Single thread mark: 2705 vs 2632
  • Around 38% better performance in PassMark - CPU mark: 38806 vs 28059
  • Around 14% better performance in Geekbench 4 - Single Core: 1296 vs 1140
  • Around 6% better performance in Geekbench 4 - Multi-Core: 14150 vs 13302
Specifications (specs)
Launch date 25 Nov 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
Manufacturing process technology 7 nm vs 14 nm
L1 cache 1 MB vs 64K (per core)
L3 cache 64 MB vs 19.25 MB (shared)
Thermal Design Power (TDP) 105 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark 2705 vs 2632
PassMark - CPU mark 38806 vs 28059
Geekbench 4 - Single Core 1296 vs 1140
Geekbench 4 - Multi-Core 14150 vs 13302

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
  • Around 6% better performance in 3DMark Fire Strike - Physics Score: 11442 vs 10804
Specifications (specs)
L2 cache 1 MB (per core) vs 8 MB
Benchmarks
3DMark Fire Strike - Physics Score 11442 vs 10804

Compare benchmarks

CPU 1: AMD Ryzen 9 3950X
CPU 2: Intel Core i9-9940X

PassMark - Single thread mark
CPU 1
CPU 2
2705
2632
PassMark - CPU mark
CPU 1
CPU 2
38806
28059
Geekbench 4 - Single Core
CPU 1
CPU 2
1296
1140
Geekbench 4 - Multi-Core
CPU 1
CPU 2
14150
13302
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
10804
11442
Name AMD Ryzen 9 3950X Intel Core i9-9940X
PassMark - Single thread mark 2705 2632
PassMark - CPU mark 38806 28059
Geekbench 4 - Single Core 1296 1140
Geekbench 4 - Multi-Core 14150 13302
3DMark Fire Strike - Physics Score 10804 11442

Compare specifications (specs)

AMD Ryzen 9 3950X Intel Core i9-9940X

Essentials

Architecture codename Zen 2 Skylake
Launch date 25 Nov 2019 October 2018
Launch price (MSRP) $749
OPN PIB 100-100000051WOF
OPN Tray 100-000000051
Place in performance rating 593 699
Vertical segment Desktop Desktop
Processor Number i9-9940X
Series Intel® Core™ X-series Processors
Status Launched

Performance

64 bit support
Base frequency 3.5 GHz 3.30 GHz
L1 cache 1 MB 64K (per core)
L2 cache 8 MB 1 MB (per core)
L3 cache 64 MB 19.25 MB (shared)
Manufacturing process technology 7 nm 14 nm
Maximum frequency 4.7 GHz 4.40 GHz
Number of cores 16 14
Number of threads 32 28
Unlocked
Bus Speed 8 GT/s DMI3
Maximum core temperature 88°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

Max number of PCIe lanes 40 44
PCI Express revision 4.0 3.0
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)