Microsoft Lumia 640 XL vs ZTE Blade 20

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

  Lumia 640 XL: 19 g lighter

  Lumia 640 XL:

  171 g

  Blade 20:

  190 g

• Width

  Blade 20: 4.9 mm narrower

  Lumia 640 XL:

  81.5 mm

  Blade 20:

  76.6 mm

• Screen diagonal

  Lumia 640 XL: 0.79 in smaller diagonal

  Lumia 640 XL:

  5.7 in

  Blade 20:

  6.49 in

• Chipset

  Lumia 640 XL:

  Qualcomm MSM8226 Snapdragon 400 (28 nm)

  Blade 20:

  Mediatek MT6771 Helio P70 (12nm)

• Rear camera layout

  Lumia 640 XL:

  Single

  Blade 20:

  Dual

• Height

  Lumia 640 XL: 5 mm shorter

  Lumia 640 XL:

  157.9 mm

  Blade 20:

  162.9 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. Lumia 640 XL

   Height:

   157.9 mm

   Width:

   81.5 mm +4.9 mm versus Blade 20

   Depth:

   9 mm

2. 2. Blade 20

   Height:

   162.9 mm +5 mm versus Lumia 640 XL

   Width:

   76.6 mm

   Depth:

   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 640 XL

   Screen diagonal:

   5.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   89.6 cm²

2. 2. Blade 20

   Screen diagonal:

   6.49 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   103.4 cm²

Blade 20 has approximately 15.4% more rectangular screen area than Lumia 640 XL.

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.