Huawei Mate 30 vs Samsung Galaxy J

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

• Weight

  Galaxy J: 50 g lighter

  Mate 30:

  196 g

  Galaxy J:

  146 g

• Width

  Galaxy J: 6.1 mm narrower

  Mate 30:

  76.1 mm

  Galaxy J:

  70 mm

• Screen diagonal

  Galaxy J: 1.62 in smaller diagonal

  Mate 30:

  6.62 in

  Galaxy J:

  5 in

• Chipset

  Mate 30:

  HiSilicon Kirin 990 (7 nm+)

  Galaxy J:

  Qualcomm MSM8974 Snapdragon 800 (28 nm)

• Rear camera layout

  Mate 30:

  Triple

  Galaxy J:

  Single

• Height

  Galaxy J: 23.8 mm shorter

  Mate 30:

  160.8 mm

  Galaxy J:

  137 mm

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. 1. Mate 30

   Height:

   160.8 mm +23.8 mm versus Galaxy J

   Width:

   76.1 mm +6.1 mm versus Galaxy J

   Depth:

   8.4 mm

2. 2. Galaxy J

   Height:

   137 mm

   Width:

   70 mm

   Depth:

   8.6 mm

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. 1. Mate 30

   Screen diagonal:

   6.62 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   107.6 cm²

2. 2. Galaxy J

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Mate 30 has approximately 56.1% more rectangular screen area than Galaxy J.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

Battery capacity

Capacity is not battery life. No endurance test is implied.

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.