Lava Z91 vs O2 XDA II mini

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.

  • Width

    XDA II mini: 14.9 mm narrower

    Z91:
    72.9 mm
    XDA II mini:
    58 mm
  • Screen diagonal

    XDA II mini: 2.9 in smaller diagonal

    Z91:
    5.7 in
    XDA II mini:
    2.8 in
  • Depth

    Z91: 10.3 mm thinner

    Z91:
    7.7 mm
    XDA II mini:
    18 mm
  • Height

    XDA II mini: 44 mm shorter

    Z91:
    152 mm
    XDA II mini:
    108 mm
  • Release year

    Z91:
    2018
    XDA II mini:
    2004

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. Z91

    Height:
    152 mm +44 mm versus XDA II mini
    Width:
    72.9 mm +14.9 mm versus XDA II mini
    Depth:
    7.7 mm
  2. 2. XDA II mini

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18 mm +10.3 mm versus Z91

Weight

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

  1. 1. Z91

    147 g

  2. 2. XDA II mini

    150 g

    +3 g versus Z91

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. Z91

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

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

Z91 has approximately 245.3% more rectangular screen area than XDA II mini.

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 Z91, XDA II mini, compared at the same storage capacity.
StorageZ91XDA II mini
32 GB 3 GB RAM Unknown
XDA II mini: Original memory entry

64 MB RAM · 64 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. Z91

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

2. XDA II mini

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SDIO

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. Z91

    3000 mAh

    +1800 mAh versus XDA II mini

  2. 2. XDA II mini

    1200 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. Z912. XDA II mini

Everyday essentials
Everyday essentials — specifications for Z91, XDA II mini.
SpecificationZ91XDA II mini
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 108 Х 58 Х 18 mm
Weight
  • 147 g
  • 150 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 2.8" inch
Screen resolution
  • 720 x 1440 px
  • 240 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
  • 64 MB RAM
  • 64 MB ROM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • MMC/SDIO
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat)
  • Microsoft Windows Mobile 2003 SE PocketPC
Chipset
  • Mediatek MT6739 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Z91, XDA II mini.
SpecificationZ91XDA II mini
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.8 cm2
  • 24.3 cm2
Screen format
  • 18:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 75.7%
  • 38.8%
PPI /points per inch/
  • 282 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for Z91, XDA II mini.
SpecificationZ91XDA II mini
Rear camera, main
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.2
Unknown
Performance

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

Performance — specifications for Z91, XDA II mini.
SpecificationZ91XDA II mini
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Intel PXA272 416 MHz
Graphics processor GPU
  • PowerVR GE8100
Unknown
Antutu 7 score *
  • 35722
Unknown
General specs
General specs — specifications for Z91, XDA II mini.
SpecificationZ91XDA II mini
Release date
  • 2018
  • March
  • 2004
  • Q4
Colors
  • Blue
  • Stylish black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
Unknown
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Z91, XDA II mini.
SpecificationZ91XDA II mini
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)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • Yes
Music and Audio
Music and Audio — specifications for Z91, XDA II mini.
SpecificationZ91XDA II mini
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Z91, XDA II mini.
SpecificationZ91XDA II mini
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek S100
  • i-mate JAM and T-Mobile MDA Compact.