Apple said that in addition to storage capacity, all iPhone 7 models are basically identical. The entry-level 32GB iPhone 7 is priced at $649. If you are willing to pay $100 more, you can buy a 128GB version of the iPhone 7. If you are willing to pay more than $200, you can get a 256GB iPhone 7.
You can't see the difference in the design of the screen, chip and phone.
In fact, there is a big difference that you can't see: the 256GB iPhone 7 writes faster than the 32GB iPhone 7.
Recently, the YouTube channel Unbox Therapy compared the write speed of the 256G version of the iPhone 7 and 32G versions of the iPhone 7. First, he tested the write speed of the two phones using performance testing software. Then he did a real test: copying a 4GB "Star Wars" installation file from a Mac notebook to a mobile phone.
Test results show that the 256GB iPhone 7 beat the 32GB iPhone 7 at write speed. Saving a 4G file to the 256GB version of the iPhone 7 is almost a minute faster than the 32GB iPhone 7.
There is no consistent explanation for why there is such a difference. According to How-To-Geek's analysis, larger SSDs typically outperform smaller models in terms of performance, as larger SSDs mean more NANDA flash chips. Another explanation is that Apple may purchase 32GB memory chips from different vendors.
For most people, they don't often store large files on their mobile phones. This difference has little effect. (Compile / Wing Fei)
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