ffmpegi5
AMD Ryzen Threadripper 1920X 12-Core testing with a ASUS PRIME X399-A (0808 BIOS) and Gigabyte NVIDIA GeForce GTX 960 2GB on Fedora 29 via the Phoronix Test Suite.


Intel Core i5-2520M: 

	Processor: Intel Core i5-2520M @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 42404GG (8AET65WW 1.45 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, Disk: 512GB INTEL SSDSC2KW51 + 2000GB Seagate ST2000LM003 HN-M + 128GB SAMSUNG MZMTD128, Graphics: NVS 4200M 1024MB (810/798MHz), Audio: Conexant CX20590, Monitor: PHL 243V7, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

	OS: Fedora 29, Kernel: 4.20.13-200.fc29.x86_64 (x86_64), Desktop: GNOME Shell 3.30.2, Display Server: X Server 1.20.3, Display Driver: NVIDIA 390.116, OpenGL: 4.6.0, Compiler: Clang 7.0.1 + LLVM 7.0.1, File-System: xfs, Screen Resolution: 3000x1920

ffmpeg_i7: 

	Processor: Intel Core i7-2860QM @ 3.60GHz (4 Cores / 8 Threads), Motherboard: LENOVO 42404GG (8AET65WW 1.45 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, Disk: 512GB INTEL SSDSC2KW51 + 2000GB Seagate ST2000LM003 HN-M + 128GB SAMSUNG MZMTD128, Graphics: NVS 4200M 1024MB (810/798MHz), Audio: Conexant CX20590, Monitor: PHL 243V7, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

	OS: Fedora 29, Kernel: 4.20.13-200.fc29.x86_64 (x86_64), Desktop: GNOME Shell 3.30.2, Display Server: X Server 1.20.3, Display Driver: NVIDIA 390.116, OpenGL: 4.6.0, Compiler: Clang 7.0.1 + LLVM 7.0.1, File-System: xfs, Screen Resolution: 3000x1920

1920x-2866Mhz: 

	Processor: AMD Ryzen Threadripper 1920X 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: ASUS PRIME X399-A (0808 BIOS), Chipset: AMD Family 17h, Memory: 32768MB, Disk: 480GB Toshiba MKNSSDE3480GB + 8002GB HGST HUH728080AL + 10 x 8002GB Seagate ST8000AS0002-1NA, Graphics: Gigabyte NVIDIA GeForce GTX 960 2GB (1126/3505MHz), Audio: Realtek ALC1220, Monitor: DELL 1901FP, Network: Intel I211 + Mellanox MT26448

	OS: Fedora 29, Kernel: 5.0.4-200.fc29.x86_64 (x86_64), Desktop: GNOME Shell 3.30.2, Display Server: X Server 1.20.4, Display Driver: NVIDIA 418.56, OpenGL: 4.6.0, Compiler: GCC 8.3.1 20190223, File-System: ext4, Screen Resolution: 4160x1200


FFmpeg 4.0.2
H.264 HD To NTSC DV
Seconds < Lower Is Better
Intel Core i5-2520M . 14.88 |=======================
ffmpeg_i7 ........... 32.89 |==================================================
1920x-2866Mhz ....... 7.56  |===========