3900xWindows
AMD Ryzen 9 3950X 16-Core testing with a ASUS PRIME B350M-A (5220 BIOS) and eVGA NVIDIA GeForce GTX 980 4GB on Arch Linux via the Phoronix Test Suite.


AMD Ryzen 9 3900X 12-Core: 

	Processor: AMD Ryzen 9 3900X 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: ASRock X570 Taichi (P2.70 BIOS), Memory: 2 x 16384 MB 3200MHz F4-3200C14-16GVK, Disk: 15GB Kingston DataTraveler 2.0 USB + 894GB NVMe ADATA SX8200NP + 15GB SanDisk Cruzer Glide USB, Graphics: NVIDIA GeForce RTX 2060 + NVIDIA GeForce RTX 2060 6GB, Network: Intel I211 Gigabit Connection + Intel Wi-Fi 6 AX200 160MHz

	OS: Microsoft Windows 10 Pro Build 18363, Kernel: 10.0 (x86_64), Display Driver: 441.66 (26.21.14.4166), File-System: NTFS, Screen Resolution: 3840x2160

AMD Ryzen 9 3950X 16-Core: 

	Processor: AMD Ryzen 9 3950X 16-Core @ 3.50GHz (16 Cores / 32 Threads), Motherboard: ASUS PRIME B350M-A (5220 BIOS), Chipset: AMD Starship/Matisse, Memory: 49152MB, Disk: Samsung SSD 960 EVO 250GB + 2 x 500GB Samsung SSD 750, Graphics: eVGA NVIDIA GeForce GTX 980 4GB (1265/3505MHz), Audio: NVIDIA GM204 HD Audio, Monitor: DELL UP2516D, Network: Realtek RTL8111/8168/8411

	OS: Arch Linux, Kernel: 5.4.6-arch3-1 (x86_64), Desktop: KDE Plasma 5.17.4, Display Server: X Server 1.20.6, Display Driver: NVIDIA 440.44, OpenGL: 4.6.0, Compiler: GCC 9.2.0 + Clang 9.0.1 + CUDA 10.2, File-System: btrfs, Screen Resolution: 2560x1440


Stockfish 9
Total Time
Nodes Per Second > Higher Is Better
AMD Ryzen 9 3900X 12-Core . 39461032 |================================
AMD Ryzen 9 3950X 16-Core . 50457246 |=========================================


asmFish 2018-07-23
1024 Hash Memory, 26 Depth
Nodes/second > Higher Is Better
AMD Ryzen 9 3900X 12-Core . 39109234 |===============================
AMD Ryzen 9 3950X 16-Core . 51933273 |=========================================