BLU C5 Plus 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.

• Display technology

  OLED versus LCD

  C5 Plus:

  LCD

  X21:

  OLED

• Width

  C5 Plus: 2.5 mm narrower

  C5 Plus:

  72.3 mm

  X21:

  74.8 mm

• Screen diagonal

  C5 Plus: 0.78 in smaller diagonal

  C5 Plus:

  5.5 in

  X21:

  6.28 in

• Rear camera layout

  C5 Plus:

  Single

  X21:

  Dual

• Depth

  X21: 2.6 mm thinner

  C5 Plus:

  10 mm

  X21:

  7.4 mm

• Height

  C5 Plus: 3.5 mm shorter

  C5 Plus:

  151 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. C5 Plus

   Height:

   151 mm

   Width:

   72.3 mm

   Depth:

   10 mm +2.6 mm versus X21

2. 2. X21

   Height:

   154.5 mm +3.5 mm versus C5 Plus

   Width:

   74.8 mm +2.5 mm versus C5 Plus

   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.

At least two phones need compatible screen dimensions for a drawing.

1. 1. C5 Plus

   C5 Plus: Screen geometry unavailable or conflicting.

2. 2. X21

   Screen diagonal:

   6.28 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   98.4 cm²

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.