speedtest Xen HVM domU 4.13 testing on Ubuntu 20.04 via the Phoronix Test Suite. r720 local storage: Processor: 8 x Intel Xeon E5-2670 0 (15 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 29GB, Graphics: bochs-drmdrmfb OS: Ubuntu 20.04, Kernel: 5.4.0-90-generic (x86_64), Vulkan: 1.0.2, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13 r630 local storage: Processor: 8 x Intel Xeon E5-2680 v3 (15 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 29GB, Graphics: bochs-drmdrmfb OS: Ubuntu 20.04, Kernel: 5.4.0-90-generic (x86_64), Vulkan: 1.0.2, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13 Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better r720 local storage . 5997 |================= r630 local storage . 18200 |=================================================== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better r720 local storage . 23.4 |================= r630 local storage . 72.4 |==================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better r720 local storage . 8316 |============== r630 local storage . 30625 |=================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better r720 local storage . 32.5 |============== r630 local storage . 120.0 |===================================================