Nokia Lumia 830 vs Oppo A39

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.

• Width

  Lumia 830: 2.2 mm narrower

  Lumia 830:

  70.7 mm

  A39:

  72.9 mm

• Screen diagonal

  Lumia 830: 0.2 in smaller diagonal

  Lumia 830:

  5 in

  A39:

  5.2 in

• Chipset

  Lumia 830:

  Qualcomm Snapdragon 400 (28 nm)

  A39:

  Mediatek MT6750 (28 nm)

• Depth

  A39: 0.8 mm thinner

  Lumia 830:

  8.5 mm

  A39:

  7.7 mm

• Height

  Lumia 830: 9.7 mm shorter

  Lumia 830:

  139.4 mm

  A39:

  149.1 mm

• Release year

  Lumia 830:

  2014

  A39:

  2017

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 +0.8 mm versus A39

2. 2. A39

   Height:

   149.1 mm +9.7 mm versus Lumia 830

   Width:

   72.9 mm +2.2 mm versus Lumia 830

   Depth:

   7.7 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. Lumia 830

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. A39

   Screen diagonal:

   5.2 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   74.5 cm²

A39 has approximately 8.2% 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.