Sony Xperia U vs Xiaomi Redmi Note 4

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

  Xperia U: 55 g lighter

  Xperia U:

  110 g

  Redmi Note 4:

  165 g

• Width

  Xperia U: 22 mm narrower

  Xperia U:

  54 mm

  Redmi Note 4:

  76 mm

• Screen diagonal

  Xperia U: 2 in smaller diagonal

  Xperia U:

  3.5 in

  Redmi Note 4:

  5.5 in

• Depth

  Redmi Note 4: 3.5 mm thinner

  Xperia U:

  12 mm

  Redmi Note 4:

  8.5 mm

• Height

  Xperia U: 39 mm shorter

  Xperia U:

  112 mm

  Redmi Note 4:

  151 mm

• Release year

  Xperia U:

  2012

  Redmi Note 4:

  2017

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. Xperia U

   Height:

   112 mm

   Width:

   54 mm

   Depth:

   12 mm +3.5 mm versus Redmi Note 4

2. 2. Redmi Note 4

   Height:

   151 mm +39 mm versus Xperia U

   Width:

   76 mm +22 mm versus Xperia U

   Depth:

   8.5 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. Xperia U

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   33.8 cm²

2. 2. Redmi Note 4

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

Redmi Note 4 has approximately 146.9% more rectangular screen area than Xperia U.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.