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Celkon Win 400 vs Lava Iris Atom 3

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.

  • WeightWin 400: 29.4 g lighterWin 400: 120.6 g · Iris Atom 3: 150 g
  • WidthWin 400: 7 mm narrowerWin 400: 65 mm · Iris Atom 3: 72 mm
  • Screen diagonalWin 400: 1 in smaller diagonalWin 400: 4 in · Iris Atom 3: 5 in
  • DepthIris Atom 3: 1.3 mm thinnerIris Atom 3: 9 mm · Win 400: 10.3 mm
  • HeightWin 400: 18.6 mm shorterWin 400: 125.4 mm · Iris Atom 3: 144 mm
  • Release year2014 / 2015Win 400: 2014 · Iris Atom 3: 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.

Front
Win 400: 125.4 × 65 mm 1 Iris Atom 3: 144 × 72 mm 2
Side
Win 400: 125.4 × 10.3 mm 1 Iris Atom 3: 144 × 9 mm 2
  1. 1. Win 400
    Height
    125.4 mm
    Width
    65 mm
    Depth
    10.3 mm+1.3 mm versus Iris Atom 3
    Weight
    120.6 g
  2. 2. Iris Atom 3
    Height
    144 mm+18.6 mm versus Win 400
    Width
    72 mm+7 mm versus Win 400
    Depth
    9 mm
    Weight
    150 g
Weight

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

  1. 1. Win 400120.6 g
  2. 2. Iris Atom 3150 g

    +29.4 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.

Screen size
Win 400: 4 in, 5:3, About 45.5 cm² rectangular area 1 Iris Atom 3: 5 in, 16:9, About 68.9 cm² rectangular area 2
  1. 1. Win 400 4 in · 5:3 About 45.5 cm² rectangular area
  2. 2. Iris Atom 3 5 in · 16:9 About 68.9 cm² rectangular area

Iris Atom 3 has approximately 51.3% 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.

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

Win 400: Original memory entry

4 GB · 512 MB RAM

Iris Atom 3: Original memory entry

8 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 3

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 capacity

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

  1. 1. Win 4001500 mAh
  2. 2. Iris Atom 32000 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 3

Everyday essentials
Everyday essentials
SpecificationWin 400Iris Atom 3
Dimensions (HxWxD)
  • 125.4 Х 65 Х 10.3 mm
  • 144 Х 72 Х 9 mm
Weight
  • 120.6 g
  • 150 g
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB
BatteryCapacity 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
SpecificationWin 400Iris Atom 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 45.5 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.9%
  • 66.4%
PPI /points per inch/
  • 233 PPI
  • 196 PPI
Camera and Video
Camera and Video
SpecificationWin 400Iris Atom 3
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA
Performance
Performance
SpecificationWin 400Iris Atom 3
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.3 GHz
Graphics processor GPU
  • Adreno 302
Unknown
General specs
General specs
SpecificationWin 400Iris Atom 3
Release date
  • 2014
  • November
  • 2015
  • December
Colors
  • Black
  • Black
  • White
Battery life Unknown
  • Stand by time- Up to 271 h (3G) Talking time- Up to 9 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity
SpecificationWin 400Iris Atom 3
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
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
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
SpecificationWin 400Iris Atom 3
Radio
  • FM radio
  • FM radio
Other features
Other features
SpecificationWin 400Iris Atom 3
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer For India