入门版看来用了低能版SSD，读写速度比m1版低50%和30%..

YouTube channels such as Max Tech and Created Tech tested the 256GB model with Blackmagic's Disk Speed Test app and found that the SSD's read and write speeds are both around 1,450 MB/s, which is around 50% slower reading and around 30% slower writing compared to the 13-inch MacBook Pro with the M1 chip and 256GB of storage.

Disk Speed Test app numbers shared by Vadim Yuryev of Max Tech:

13-inch MacBook Pro (M1/256GB) Read Speed: 2,900
13-inch MacBook Pro (M2/256GB) Read Speed: 1,446
13-inch MacBook Pro (M1/256GB) Write Speed: 2,215
13-inch MacBook Pro (M2/256GB) Write Speed: 1,463
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