Samsung T7 microSD card vs Samsung T9 microSD card

Comparison of MB-MB512T/WW, MB-MH512T/WW

22 specifications	A Samsung T7 microSD card Model MB-MB512T/WW View product	B Samsung T9 microSD card Model MB-MH512T/WW View product
Memory1 differ
Flash memory classKnown for one	Class 10	—Unknown — not stated by the source
Read speedDiffers	170 MB/s	200 MB/s
Write speedKnown for one	—Unknown — not stated by the source	130 MB/s
Features1 differ
Product colourDiffers	Blue	Black

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.