Celkon Win 400 vs Karbonn A7 Star

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

    Win 400: 1 mm narrower

    Win 400:
    65 mm
    A7 Star:
    66 mm
  • Screen diagonal

    Win 400: 0.5 in smaller diagonal

    Win 400:
    4 in
    A7 Star:
    4.5 in
  • Chipset

    Win 400:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    A7 Star:
    Mediatek MT6517
  • Height

    A7 Star: 12.4 mm shorter

    Win 400:
    125.4 mm
    A7 Star:
    113 mm
  • Release year

    Win 400:
    2014
    A7 Star:
    2013

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 +12.4 mm versus A7 Star
    Width:
    65 mm
    Depth:
    10.3 mm
    Weight:
    120.6 g
  2. 2. A7 Star

    Height:
    113 mm
    Width:
    66 mm +1 mm versus Win 400
    Depth:
    10.4 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. Win 400

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. A7 Star

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

A7 Star 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.

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

Win 400: Original memory entry

4 GB · 512 MB RAM

A7 Star: Original memory entry

164 MB

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. A7 Star

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Win 400

    1500 mAh

    +100 mAh versus A7 Star

  2. 2. A7 Star

    1400 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. Win 4002. A7 Star

Everyday essentials
Everyday essentials — specifications for Win 400, A7 Star.
SpecificationWin 400A7 Star
Dimensions (HxWxD)
  • 125.4 Х 65 Х 10.3 mm
  • 113 Х 66 Х 10.4 mm
Weight
  • 120.6 g
  • 0 g
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
  • 164 MB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 4.0 (Ice Cream Sandwich)
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Mediatek MT6517
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Win 400, A7 Star.
SpecificationWin 400A7 Star
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%
  • 74.8%
PPI /points per inch/
  • 233 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Win 400, A7 Star.
SpecificationWin 400A7 Star
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
Unknown
Performance
Performance — specifications for Win 400, A7 Star.
SpecificationWin 400A7 Star
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • Adreno 302
  • PowerVR SGX531u
General specs
General specs — specifications for Win 400, A7 Star.
SpecificationWin 400A7 Star
Release date
  • 2014
  • November
  • 2013
Colors
  • Black
  • white/black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 135 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Win 400, A7 Star.
SpecificationWin 400A7 Star
SIM card
  • Dual SIM (dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • Yes
Harmful irradiation Unknown
  • SAR EU - 0.99 W/kg (head)
Music and Audio
Music and Audio — specifications for Win 400, A7 Star.
SpecificationWin 400A7 Star
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Win 400, A7 Star.
SpecificationWin 400A7 Star
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity