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Celkon A99 vs Lava Iris Atom X

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Depth

    Iris Atom X: 1.6 mm thinner

    A99:
    11.3 mm
    Iris Atom X:
    9.7 mm
  • Height

    A99: 4.1 mm shorter

    A99:
    121.4 mm
    Iris Atom X:
    125.5 mm
  • Release year

    A99:
    2012
    Iris Atom X:
    2015

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. A99

    Height:
    121.4 mm
    Width:
    64 mm
    Depth:
    11.3 mm +1.6 mm versus Iris Atom X
    Weight:
    120 g
  2. 2. Iris Atom X

    Height:
    125.5 mm +4.1 mm versus A99
    Width:
    63.4 mm
    Depth:
    9.7 mm
    Weight:
    Unknown

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. A99

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. Iris Atom X

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

A99 has approximately 4.6% more rectangular screen area than Iris Atom X.

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 X: Original memory entry

512 MB · 256 MB RAM

Practical features

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

1. A99

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

2. Iris Atom X

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

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. A99

    1200 mAh

  2. 2. Iris Atom X

    1400 mAh

    +200 mAh versus A99

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. A992. Iris Atom X

Everyday essentials
Everyday essentials — specifications for A99, Iris Atom X.
SpecificationA99Iris Atom X
Dimensions (HxWxD)
  • 121.4 Х 64 Х 11.3 mm
  • 125.5 Х 63.4 Х 9.7 mm
Weight
  • 120 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 320 x 480 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • Android 4.4.2 (KitKat)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A99, Iris Atom X.
SpecificationA99Iris Atom X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 47.6 cm2
  • 45.5 cm2
Screen format
  • 3:2 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 61.3%
  • 57.2%
PPI /points per inch/
  • 144 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for A99, Iris Atom X.
SpecificationA99Iris Atom X
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for A99, Iris Atom X.
SpecificationA99Iris Atom X
Processor CPU
  • 650 MHz
  • 1.0 GHz
General specs
General specs — specifications for A99, Iris Atom X.
SpecificationA99Iris Atom X
Release date
  • 2012
  • 2015
  • November
Colors
  • Black
  • Black
  • White
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 3 h
  • Stand by time- Up to 140 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for A99, Iris Atom X.
SpecificationA99Iris Atom X
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 2.1
  • EDR
Music and Audio
Music and Audio — specifications for A99, Iris Atom X.
SpecificationA99Iris Atom X
Radio
  • Stereo FM radio
  • RDS
  • recordin
  • FM radio
Other features
Other features — specifications for A99, Iris Atom X.
SpecificationA99Iris Atom X
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input
  • Sensors Accelerometer For India