zhè / liǎng / kuǎn / shǒu jī / de / xìng néng / dà chà bú chà / nǐ / xuǎn / nǎ ge / dōu / xíng

这两款手机的性能大差不差，你选哪个都行。

These two phones have roughly the same performance; whichever you choose is fine.