Nokia Lumia 830 vs Oppo A91

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

  Lumia 830:

  LCD

  A91:

  OLED

• Weight

  Lumia 830: 22 g lighter

  Lumia 830:

  150 g

  A91:

  172 g

• Width

  Lumia 830: 2.6 mm narrower

  Lumia 830:

  70.7 mm

  A91:

  73.3 mm

• Screen diagonal

  Lumia 830: 1.4 in smaller diagonal

  Lumia 830:

  5 in

  A91:

  6.4 in

• Chipset

  Lumia 830:

  Qualcomm Snapdragon 400 (28 nm)

  A91:

  Mediatek MT6771V Helio P70 (12nm)

• Rear camera layout

  Lumia 830:

  Single

  A91:

  Quad

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. Lumia 830

   Height:

   139.4 mm

   Width:

   70.7 mm

   Depth:

   8.5 mm +0.6 mm versus A91

2. 2. A91

   Height:

   160.2 mm +20.8 mm versus Lumia 830

   Width:

   73.3 mm +2.6 mm versus Lumia 830

   Depth:

   7.9 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. Lumia 830

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. A91

   Screen diagonal:

   6.4 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   98.9 cm²

A91 has approximately 43.5% more rectangular screen area than Lumia 830.

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.