Benchmark Sandisk Extreme
10/10/2021
One-minute read
Benchmarking the Sandisk Extreme 64 GB MicroSDX with hdparm on Raspberry Pi OS, 32bit usint hdparm
cli command:
sudo hdparm -Tt /dev/mmcblk0
Output:
Timing cached reads: 1506 MB in 2.00 seconds = 752.72 MB/sec
Timing buffered disk reads: 132 MB in 3.03 seconds = 43.53 MB/sec
For reference Sandisk public specs:
SanDisk Extreme microSDXC UHS-I
Capacities: 1TB, 512GB, 400GB, 256GB,128GB, 64GB, 32GB
Speed: Up to 160MB/s Sequential Read, 90MB/s Sequential Write
Speed rating: UHS-I
Product Numbers:
64GB - SDSQXA2-064G
For comparision output of hdparm for M.2 SSD Kingston NV1 500 GB on USB 3.0 RSHTECH M2.NVMe
Timing cached reads: 14990 MB in 1.99 seconds = 7523.96 MB/sec
Timing buffered disk reads: 1244 MB in 3.00 seconds = 414.07 MB/sec
No shocker M2.SSD overperformed MicroSD, even when attached to USB3.0 Gen1.