Lava Iris Alfa vs vivo Y91

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

  Iris Alfa: 5.5 g lighter

  Iris Alfa:

  158 g

  Y91:

  163.5 g

• Width

  Iris Alfa: 3.7 mm narrower

  Iris Alfa:

  71.4 mm

  Y91:

  75.1 mm

• Screen diagonal

  Iris Alfa: 1.22 in smaller diagonal

  Iris Alfa:

  5 in

  Y91:

  6.22 in

• Chipset

  Iris Alfa:

  Spreadtrum 7731

  Y91:

  Qualcomm SDM439 Snapdragon 439 (12 nm)

• Rear camera layout

  Iris Alfa:

  Single

  Y91:

  Dual

• Depth

  Y91: 1 mm thinner

  Iris Alfa:

  9.3 mm

  Y91:

  8.3 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. Iris Alfa

   Height:

   141 mm

   Width:

   71.4 mm

   Depth:

   9.3 mm +1 mm versus Y91

2. 2. Y91

   Height:

   155.1 mm +14.1 mm versus Iris Alfa

   Width:

   75.1 mm +3.7 mm versus Iris Alfa

   Depth:

   8.3 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. Iris Alfa

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Y91

   Screen diagonal:

   6.22 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   96.6 cm²

Y91 has approximately 40.1% more rectangular screen area than Iris Alfa.

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.