Microsoft Lumia 640 LTE vs Oppo Realme XT

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 640 LTE:

  LCD

  Realme XT:

  OLED

• Weight

  Lumia 640 LTE: 38 g lighter

  Lumia 640 LTE:

  145 g

  Realme XT:

  183 g

• Width

  Lumia 640 LTE: 3 mm narrower

  Lumia 640 LTE:

  72.2 mm

  Realme XT:

  75.2 mm

• Screen diagonal

  Lumia 640 LTE: 1.4 in smaller diagonal

  Lumia 640 LTE:

  5 in

  Realme XT:

  6.4 in

• Chipset

  Lumia 640 LTE:

  Qualcomm MSM8926 Snapdragon 400 (28 nm)

  Realme XT:

  Qualcomm SDM712 Snapdragon 712 (10 nm)

• Rear camera layout

  Lumia 640 LTE:

  Single

  Realme XT:

  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 640 LTE

   Height:

   141.3 mm

   Width:

   72.2 mm

   Depth:

   8.8 mm

2. 2. Realme XT

   Height:

   158.7 mm +17.4 mm versus Lumia 640 LTE

   Width:

   75.2 mm +3 mm versus Lumia 640 LTE

   Depth:

   8.6 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 640 LTE

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Realme XT

   Screen diagonal:

   6.4 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   100.5 cm²

Realme XT has approximately 45.9% more rectangular screen area than Lumia 640 LTE.

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.