Ryzen 9 3900XT Memory Scaling
AMD Ryzen 9 3900XT testing for a future article.


DDR4-2133: 

	Processor: AMD Ryzen 9 3900XT 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 GODLIKE (MS-7C34) v1.0 (1.94 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: Samsung SSD 970 EVO 500GB, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2060/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: DELL P2415Q, Network: Realtek Device 2600 + Realtek Device 3000 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 20.04, Kernel: 5.8.0-050800daily20200622-generic (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.8, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.0.4 (LLVM 9.0.1), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 3840x2160

DDR4-3600: 

	Processor: AMD Ryzen 9 3900XT 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 GODLIKE (MS-7C34) v1.0 (1.94 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: Samsung SSD 970 EVO 500GB, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2060/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: DELL P2415Q, Network: Realtek Device 2600 + Realtek Device 3000 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 20.04, Kernel: 5.8.0-050800daily20200622-generic (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.8, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.0.4 (LLVM 9.0.1), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 3840x2160

DDR4-3800: 

	Processor: AMD Ryzen 9 3900XT 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 GODLIKE (MS-7C34) v1.0 (1.94 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: Samsung SSD 970 EVO 500GB, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2060/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: DELL P2415Q, Network: Realtek Device 2600 + Realtek Device 3000 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 20.04, Kernel: 5.8.0-050800daily20200622-generic (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.8, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.0.4 (LLVM 9.0.1), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 3840x2160

DDR4-3200: 

	Processor: AMD Ryzen 9 3900XT 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 GODLIKE (MS-7C34) v1.0 (1.94 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: Samsung SSD 970 EVO 500GB, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2060/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: DELL P2415Q, Network: Realtek Device 2600 + Realtek Device 3000 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 20.04, Kernel: 5.8.0-050800daily20200622-generic (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.8, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.0.4 (LLVM 9.0.1), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 3840x2160

DDR4-3000: 

	Processor: AMD Ryzen 9 3900XT 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 GODLIKE (MS-7C34) v1.0 (1.94 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: Samsung SSD 970 EVO 500GB, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2060/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: DELL P2415Q, Network: Realtek Device 2600 + Realtek Device 3000 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 20.04, Kernel: 5.8.0-050800daily20200622-generic (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.8, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.0.4 (LLVM 9.0.1), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 3840x2160

DDR4-2666: 

	Processor: AMD Ryzen 9 3900XT 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 GODLIKE (MS-7C34) v1.0 (1.94 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: Samsung SSD 970 EVO 500GB, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2060/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: DELL P2415Q, Network: Realtek Device 2600 + Realtek Device 3000 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 20.04, Kernel: 5.8.0-050800daily20200622-generic (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.8, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.0.4 (LLVM 9.0.1), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 3840x2160


Timed Linux Kernel Compilation 5.4
Time To Compile
Seconds < Lower Is Better
DDR4-2133 . 59.87 |============================================================
DDR4-3600 . 56.55 |=========================================================
DDR4-3800 . 56.22 |========================================================
DDR4-3200 . 56.24 |========================================================
DDR4-3000 . 56.63 |=========================================================
DDR4-2666 . 56.86 |=========================================================


Timed LLVM Compilation 10.0
Time To Compile
Seconds < Lower Is Better
DDR4-2133 . 469.52 |===========================================================
DDR4-3600 . 429.22 |======================================================
DDR4-3800 . 431.02 |======================================================
DDR4-3200 . 437.76 |=======================================================
DDR4-3000 . 435.36 |=======================================================
DDR4-2666 . 441.78 |========================================================


Build2 0.12
Time To Compile
Seconds < Lower Is Better
DDR4-2133 . 80.65 |============================================================
DDR4-3600 . 77.53 |==========================================================
DDR4-3800 . 77.65 |==========================================================
DDR4-3200 . 77.62 |==========================================================
DDR4-3000 . 78.21 |==========================================================
DDR4-2666 . 78.65 |===========================================================


Geometric Mean Of All Test Results
Result Composite - Ryzen 9 3900XT Memory Scaling
Geometric Mean > Higher Is Better
DDR4-2133 . 0.761 |========================================================
DDR4-3600 . 0.810 |============================================================
DDR4-3800 . 0.810 |============================================================
DDR4-3200 . 0.806 |============================================================
DDR4-3000 . 0.803 |===========================================================
DDR4-2666 . 0.797 |===========================================================