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Celkon Win 400 vs Lava Iris Atom 2X

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.

  • Weight

    Win 400: 9.4 g lighter

    Win 400:
    120.6 g
    Iris Atom 2X:
    130 g
  • Width

    Win 400: 1 mm narrower

    Win 400:
    65 mm
    Iris Atom 2X:
    66 mm
  • Screen diagonal

    Win 400: 0.5 in smaller diagonal

    Win 400:
    4 in
    Iris Atom 2X:
    4.5 in
  • Depth

    Iris Atom 2X: 1.1 mm thinner

    Win 400:
    10.3 mm
    Iris Atom 2X:
    9.2 mm
  • Height

    Win 400: 8.6 mm shorter

    Win 400:
    125.4 mm
    Iris Atom 2X:
    134 mm
  • Release year

    Win 400:
    2014
    Iris Atom 2X:
    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. Win 400

    Height:
    125.4 mm
    Width:
    65 mm
    Depth:
    10.3 mm +1.1 mm versus Iris Atom 2X
  2. 2. Iris Atom 2X

    Height:
    134 mm +8.6 mm versus Win 400
    Width:
    66 mm +1 mm versus Win 400
    Depth:
    9.2 mm

Weight

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

  1. 1. Win 400

    120.6 g

  2. 2. Iris Atom 2X

    130 g

    +9.4 g versus Win 400

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. Win 400

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

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

Iris Atom 2X has approximately 22.6% more rectangular screen area than Win 400.

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 Win 400, Iris Atom 2X, compared at the same storage capacity.
StorageWin 400Iris Atom 2X
8 GB Unknown 1 GB RAM
Win 400: Original memory entry

4 GB · 512 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. Win 400

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

2. Iris Atom 2X

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. Win 400

    1500 mAh

  2. 2. Iris Atom 2X

    2000 mAh

    +500 mAh versus Win 400

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. Win 4002. Iris Atom 2X

Everyday essentials
Everyday essentials — specifications for Win 400, Iris Atom 2X.
SpecificationWin 400Iris Atom 2X
Dimensions (HxWxD)
  • 125.4 Х 65 Х 10.3 mm
  • 134 Х 66 Х 9.2 mm
Weight
  • 120.6 g
  • 130 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 5.1 (Lollipop)
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Win 400, Iris Atom 2X.
SpecificationWin 400Iris Atom 2X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.9%
  • 63.1%
PPI /points per inch/
  • 233 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Win 400, Iris Atom 2X.
SpecificationWin 400Iris Atom 2X
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA
Performance
Performance — specifications for Win 400, Iris Atom 2X.
SpecificationWin 400Iris Atom 2X
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.3 GHz
Graphics processor GPU
  • Adreno 302
Unknown
General specs
General specs — specifications for Win 400, Iris Atom 2X.
SpecificationWin 400Iris Atom 2X
Release date
  • 2014
  • November
  • 2015
  • November
Colors
  • Black
  • Black
  • White
Battery life Unknown
  • Stand by time- Up to 161 h Talking time- Up to 19 h
Communication and Connectivity
Communication and Connectivity — specifications for Win 400, Iris Atom 2X.
SpecificationWin 400Iris Atom 2X
SIM card
  • Dual SIM (dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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
  • 4.0
  • A2DP
  • 2.1
  • EDR
Music and Audio
Music and Audio — specifications for Win 400, Iris Atom 2X.
SpecificationWin 400Iris Atom 2X
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Win 400, Iris Atom 2X.
SpecificationWin 400Iris Atom 2X
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer For India