Ryzen vm 6 vCPU KVM testing on Ubuntu 20.04 via the Phoronix Test Suite. QEMU HDD: Processor: Common KVM (6 Cores), Motherboard: QEMU Standard PC (Q35 + ICH9 2009) (0.0.0 BIOS), Chipset: Intel 82G33/G31/P35/P31 + ICH9, Memory: 16GB, Disk: 86GB QEMU HDD + 429GB QEMU HDD, Graphics: Red Hat Virtio GPU, Audio: Intel 82801I, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.4.0-40-generic (x86_64), Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, Compiler: GCC 9.3.0, File-System: ext4 (ecryptfs), Screen Resolution: 1024x768, System Layer: KVM Dbench 4.0 Client Count: 1 MB/s > Higher Is Better QEMU HDD . 22.05 |============================================================= Dbench 4.0 Client Count: 6 MB/s > Higher Is Better QEMU HDD . 59.93 |============================================================= Dbench 4.0 Client Count: 12 MB/s > Higher Is Better QEMU HDD . 103.43 |============================================================ Dbench 4.0 Client Count: 48 MB/s > Higher Is Better QEMU HDD . 203.69 |============================================================ Dbench 4.0 Client Count: 128 MB/s > Higher Is Better QEMU HDD . 180.52 |============================================================ Dbench 4.0 Client Count: 256 MB/s > Higher Is Better QEMU HDD . 229.81 |============================================================