ARMv8 Cortex-A72 On Ubuntu 20.04 Various open-source benchmarks by the Phoronix Test Suite v9.8.0 (Nesodden). Extreme Pro: Processor: ARMv8 Cortex-A72 @ 2.00GHz (4 Cores), Motherboard: BCM2835 Raspberry Pi 4 Model B Rev 1.4, Memory: 8GB, Disk: 256GB Extreme Pro + 2000GB My Passport 0748 OS: Ubuntu 20.04, Kernel: 5.4.0-1018-raspi (aarch64), File-System: ext4 hdparm Timed Disk Reads Disk To Read: /dev/sda MB/s > Higher Is Better Extreme Pro . 264.85 |========================================================= hdparm Timed Disk Reads Disk To Read: /dev/sdb MB/s > Higher Is Better Extreme Pro . 106.12 |=========================================================