Lava Z81 vs Nokia 7700

Compare recorded specifications, size and practical differences.

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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

    Z81: 42 g lighter

    Z81:
    141 g
    7700:
    183 g
  • Width

    Z81: 7 mm narrower

    Z81:
    73 mm
    7700:
    80 mm
  • Screen diagonal

    7700: 2.2 in smaller diagonal

    Z81:
    5.7 in
    7700:
    3.5 in
  • Chipset

    Z81:
    Mediatek MT6761 Helio A22 (12 nm)
    7700:
    TI OMAP 1510
  • Depth

    Z81: 14.1 mm thinner

    Z81:
    7.9 mm
    7700:
    22 mm
  • Height

    7700: 18.2 mm shorter

    Z81:
    152.2 mm
    7700:
    134 mm

Physical size

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. Z81

    Height:
    152.2 mm +18.2 mm versus 7700
    Width:
    73 mm
    Depth:
    7.9 mm
  2. 2. 7700

    Height:
    134 mm
    Width:
    80 mm +7 mm versus Z81
    Depth:
    22 mm +14.1 mm versus Z81

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Z81

    141 g

  2. 2. 7700

    183 g

    +42 g versus Z81

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. Z81

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. 7700

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    31.6 cm²

Z81 has approximately 165.2% more rectangular screen area than 7700.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Z81: Original memory entry

32 GB · 3 GB RAM 16 GB · 2 GB RAM

7700: Original memory entry

25 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Z81

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated slot)

2. 7700

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC · 64 MB included

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Z81

    3000 mAh

    +1700 mAh versus 7700

  2. 2. 7700

    1300 mAh

Specifications

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.

1. Z812. 7700

Everyday essentials
Everyday essentials — specifications for Z81, 7700.
SpecificationZ817700
Dimensions (HxWxD)
  • 152.2 Х 73 Х 7.9 mm
  • 134 Х 80 Х 22 mm
Weight
  • 141 g
  • 183 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 3.5" inch
Screen resolution
  • 720 x 1440 px
  • 640 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
  • 25 MB
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • MMC
  • 64 MB included
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Symbian
  • Series 90 UI
  • .2.0
Chipset
  • Mediatek MT6761 Helio A22 (12 nm)
  • TI OMAP 1510
Headphone jack
  • Yes
  • No
Display
Display — specifications for Z81, 7700.
SpecificationZ817700
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.8 cm2
  • 31.6 cm2
Screen format
  • 18:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 75.5%
  • 29.5%
PPI /points per inch/
  • 282 PPI
  • 204 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Z81, 7700.
SpecificationZ817700
Rear camera, main
  • 13 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
Unknown
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
  • f/2.0
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Z81, 7700.
SpecificationZ817700
Processor CPU
  • Quad-core 2.0 GHz Cortex-A53
  • 150 MHz ARM925T
Graphics processor GPU
  • PowerVR GE8320
Unknown
Antutu 7 score *
  • 55328
Unknown
General specs
General specs — specifications for Z81, 7700.
SpecificationZ817700
Release date
  • 2018
  • October
  • 2003
  • Q4
Colors
  • black/blue
  • Gold/Black
  • Black
  • White
Battery life Unknown
  • Stand by time- Up to 240 - 264 h Talking time- Up to 3 - 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Z81, 7700.
SpecificationZ817700
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Pop-Port
Bluetooth
  • 4.2
  • A2DP
  • LE
  • Yes
Music and Audio
Music and Audio — specifications for Z81, 7700.
SpecificationZ817700
Radio
  • FM radio
  • FM radio
Others Unknown
  • Virtual keyboard -Five-way directional controller -Partial mode 640x65 pixels
Other features
Other features — specifications for Z81, 7700.
SpecificationZ817700
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Series 90 UI
  • v.2.0 -Audio/video player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Voice recorder -Organizer -Flight and offline modes - Stylus