HTC One E9s dual sim vs vivo X21

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

  X21: 8.8 g lighter

  One E9s dual sim:

  165 g

  X21:

  156.2 g

• Width

  X21: 4.9 mm narrower

  One E9s dual sim:

  79.7 mm

  X21:

  74.8 mm

• Screen diagonal

  One E9s dual sim: 0.78 in smaller diagonal

  One E9s dual sim:

  5.5 in

  X21:

  6.28 in

• Chipset

  One E9s dual sim:

  Mediatek MT6752M

  X21:

  Qualcomm SDM660 Snapdragon 660 (14 nm)

• Rear camera layout

  One E9s dual sim:

  Single

  X21:

  Dual

• Height

  X21: 3.2 mm shorter

  One E9s dual sim:

  157.7 mm

  X21:

  154.5 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. One E9s dual sim

   Height:

   157.7 mm +3.2 mm versus X21

   Width:

   79.7 mm +4.9 mm versus X21

   Depth:

   7.6 mm

2. 2. X21

   Height:

   154.5 mm

   Width:

   74.8 mm

   Depth:

   7.4 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. One E9s dual sim

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. X21

   Screen diagonal:

   6.28 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   98.4 cm²

X21 has approximately 18% more rectangular screen area than One E9s dual sim.

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.