Lava Z71 vs O2 XDA Zest

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

    XDA Zest: 47.5 g lighter

    Z71:
    150 g
    XDA Zest:
    102.5 g
  • Width

    XDA Zest: 10.4 mm narrower

    Z71:
    70.9 mm
    XDA Zest:
    60.5 mm
  • Screen diagonal

    XDA Zest: 2.91 in smaller diagonal

    Z71:
    5.71 in
    XDA Zest:
    2.8 in
  • Rear camera layout

    Z71:
    Dual
    XDA Zest:
    Single
  • Depth

    Z71: 7.5 mm thinner

    Z71:
    9 mm
    XDA Zest:
    16.5 mm
  • Height

    XDA Zest: 43.6 mm shorter

    Z71:
    145.6 mm
    XDA Zest:
    102 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. Z71

    Height:
    145.6 mm +43.6 mm versus XDA Zest
    Width:
    70.9 mm +10.4 mm versus XDA Zest
    Depth:
    9 mm
  2. 2. XDA Zest

    Height:
    102 mm
    Width:
    60.5 mm
    Depth:
    16.5 mm +7.5 mm versus Z71

Weight

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

  1. 1. Z71

    150 g

    +47.5 g versus XDA Zest

  2. 2. XDA Zest

    102.5 g

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. XDA Zest

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²

Z71 has approximately 235.2% more rectangular screen area than XDA Zest.

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.

Recorded RAM for Z71, XDA Zest, compared at the same storage capacity.
StorageZ71XDA Zest
32 GB 2 GB RAM Unknown
XDA Zest: Original memory entry

128 MB RAM · 256 MB ROM

Practical features

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

1. Z71

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

2. XDA Zest

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

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. Z71

    3200 mAh

    +1900 mAh versus XDA Zest

  2. 2. XDA Zest

    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. Z712. XDA Zest

Everyday essentials
Everyday essentials — specifications for Z71, XDA Zest.
SpecificationZ71XDA Zest
Dimensions (HxWxD)
  • 145.6 Х 70.9 Х 9 mm
  • 102 Х 60.5 Х 16.5 mm
Weight
  • 150 g
  • 102.5 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.71" inch
  • 2.8" inch
Screen resolution
  • 720 x 1520 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Z71, XDA Zest.
SpecificationZ71XDA Zest
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 81.4 cm2
  • 24.3 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 78.8%
  • 39.3%
PPI /points per inch/
  • 295 PPI
  • 286 PPI
Camera and Video
Camera and Video — specifications for Z71, XDA Zest.
SpecificationZ71XDA Zest
Rear camera, main
  • 13 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 13 MP 2 MP
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • VGA videocall camera
Performance
Performance — specifications for Z71, XDA Zest.
SpecificationZ71XDA Zest
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • 624MHz Marvell TavorP
Graphics processor GPU
  • PowerVR GE8320
Unknown
General specs
General specs — specifications for Z71, XDA Zest.
SpecificationZ71XDA Zest
Release date
  • 2020
  • January
  • 2008
  • October
Colors
  • Ruby Red
  • Steel Blue
  • Black
Battery life Unknown
  • Stand by time- Up to 260 h Talking time- Up to 5 h
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Z71, XDA Zest.
SpecificationZ71XDA Zest
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)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • SiRF Star III chipset
USB
  • microUSB 2.0
  • USB On-The-Go
  • miniUSB 1.1
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for Z71, XDA Zest.
SpecificationZ71XDA Zest
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Z71, XDA Zest.
SpecificationZ71XDA Zest
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • SiRF star III chipset -Pocket Office -Voice memo -MP3 player -Predictive text input