Lava Iris Atom 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: 7.5 g lighter

    Iris Atom:
    110 g
    XDA Zest:
    102.5 g
  • Width

    XDA Zest: 2.7 mm narrower

    Iris Atom:
    63.2 mm
    XDA Zest:
    60.5 mm
  • Screen diagonal

    XDA Zest: 1.2 in smaller diagonal

    Iris Atom:
    4 in
    XDA Zest:
    2.8 in
  • Depth

    Iris Atom: 6.8 mm thinner

    Iris Atom:
    9.7 mm
    XDA Zest:
    16.5 mm
  • Height

    XDA Zest: 23.5 mm shorter

    Iris Atom:
    125.5 mm
    XDA Zest:
    102 mm
  • Release year

    Iris Atom:
    2015
    XDA Zest:
    2008

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. Iris Atom

    Height:
    125.5 mm +23.5 mm versus XDA Zest
    Width:
    63.2 mm +2.7 mm versus XDA Zest
    Depth:
    9.7 mm
  2. 2. XDA Zest

    Height:
    102 mm
    Width:
    60.5 mm
    Depth:
    16.5 mm +6.8 mm versus Iris Atom

Weight

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

  1. 1. Iris Atom

    110 g

    +7.5 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. Iris Atom

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. XDA Zest

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

Iris Atom has approximately 87.6% 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.

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

Iris Atom: Original memory entry

8 GB · 512 MB RAM

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. Iris Atom

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Iris Atom

    1550 mAh

    +250 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. Iris Atom2. XDA Zest

Everyday essentials
Everyday essentials — specifications for Iris Atom, XDA Zest.
SpecificationIris AtomXDA Zest
Dimensions (HxWxD)
  • 125.5 Х 63.2 Х 9.7 mm
  • 102 Х 60.5 Х 16.5 mm
Weight
  • 110 g
  • 102.5 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 2.8" inch
Screen resolution
  • 480 x 800 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1550 mAh
  • Removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Microsoft Windows Mobile 6.1 Professional
Headphone jack
  • Yes
  • No
Display
Display — specifications for Iris Atom, XDA Zest.
SpecificationIris AtomXDA Zest
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 65K
Screen area
  • 45.5 cm2
  • 24.3 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 57.4%
  • 39.3%
PPI /points per inch/
  • 233 PPI
  • 286 PPI
Camera and Video
Camera and Video — specifications for Iris Atom, XDA Zest.
SpecificationIris AtomXDA Zest
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
  • AF
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA videocall camera
Performance
Performance — specifications for Iris Atom, XDA Zest.
SpecificationIris AtomXDA Zest
Processor CPU
  • Quad-core 1.3 GHz
  • 624MHz Marvell TavorP
General specs
General specs — specifications for Iris Atom, XDA Zest.
SpecificationIris AtomXDA Zest
Release date
  • 2015
  • December
  • 2008
  • October
Colors
  • Black
  • White
  • Black
Battery life
  • Stand by time- Up to 150 h (3G) Talking time- Up to 12 h 30 min (3G)
  • Stand by time- Up to 260 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Iris Atom, XDA Zest.
SpecificationIris AtomXDA Zest
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • No
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • SiRF Star III chipset
USB
  • microUSB 2.0
  • miniUSB 1.1
Bluetooth
  • 2.1
  • EDR
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for Iris Atom, XDA Zest.
SpecificationIris AtomXDA Zest
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Iris Atom, XDA Zest.
SpecificationIris AtomXDA Zest
Dop
  • Sensors Accelerometer For India
  • SiRF star III chipset -Pocket Office -Voice memo -MP3 player -Predictive text input