Lava Z71 vs LG C900 Optimus 7Q

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

  Z71: 28 g lighter

  Z71:

  150 g

  C900 Optimus 7Q:

  178 g

• Width

  C900 Optimus 7Q: 11.4 mm narrower

  Z71:

  70.9 mm

  C900 Optimus 7Q:

  59.5 mm

• Screen diagonal

  C900 Optimus 7Q: 2.21 in smaller diagonal

  Z71:

  5.71 in

  C900 Optimus 7Q:

  3.5 in

• Chipset

  Z71:

  Mediatek MT6762 Helio P22 (12 nm)

  C900 Optimus 7Q:

  Qualcomm QSD8650 Snapdragon S1

• Rear camera layout

  Z71:

  Dual

  C900 Optimus 7Q:

  Single

• Depth

  Z71: 6.2 mm thinner

  Z71:

  9 mm

  C900 Optimus 7Q:

  15.2 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. Z71

   Height:

   145.6 mm +26.1 mm versus C900 Optimus 7Q

   Width:

   70.9 mm +11.4 mm versus C900 Optimus 7Q

   Depth:

   9 mm

2. 2. C900 Optimus 7Q

   Height:

   119.5 mm

   Width:

   59.5 mm

   Depth:

   15.2 mm +6.2 mm versus Z71

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. Z71

   Screen diagonal:

   5.71 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   81.4 cm²

2. 2. C900 Optimus 7Q

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   34.9 cm²

Z71 has approximately 133.4% more rectangular screen area than C900 Optimus 7Q.

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.