TECNO Pop 1s vs vivo X21i

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

  Pop 1s: 19 g lighter

  Pop 1s:

  140 g

  X21i:

  159 g

• Width

  Pop 1s: 3.4 mm narrower

  Pop 1s:

  71.6 mm

  X21i:

  75 mm

• Screen diagonal

  Pop 1s: 0.78 in smaller diagonal

  Pop 1s:

  5.5 in

  X21i:

  6.28 in

• Chipset

  Pop 1s:

  Mediatek MT6739WA (28 nm)

  X21i:

  Mediatek MT6771 Helio P60 (12 nm)

• Rear camera layout

  Pop 1s:

  Single

  X21i:

  Dual

• Depth

  X21i: 1.6 mm thinner

  Pop 1s:

  8.6 mm

  X21i:

  7 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. Pop 1s

   Height:

   148.1 mm

   Width:

   71.6 mm

   Depth:

   8.6 mm +1.6 mm versus X21i

2. 2. X21i

   Height:

   154.4 mm +6.3 mm versus Pop 1s

   Width:

   75 mm +3.4 mm versus Pop 1s

   Depth:

   7 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. Pop 1s

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   78.1 cm²

2. 2. X21i

   Screen diagonal:

   6.28 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   98.4 cm²

X21i has approximately 26.1% more rectangular screen area than Pop 1s.

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.