Karbonn A7 Star vs Motorola ES400

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

    ES400: 5.6 mm narrower

    A7 Star:
    66 mm
    ES400:
    60.4 mm
  • Screen diagonal

    ES400: 1.5 in smaller diagonal

    A7 Star:
    4.5 in
    ES400:
    3 in
  • Chipset

    A7 Star:
    Mediatek MT6517
    ES400:
    Qualcomm MSM7627
  • Depth

    A7 Star: 6 mm thinner

    A7 Star:
    10.4 mm
    ES400:
    16.4 mm
  • Height

    A7 Star: 16 mm shorter

    A7 Star:
    113 mm
    ES400:
    129 mm
  • Release year

    A7 Star:
    2013
    ES400:
    2010

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. A7 Star

    Height:
    113 mm
    Width:
    66 mm +5.6 mm versus ES400
    Depth:
    10.4 mm
    Weight:
    Unknown
  2. 2. ES400

    Height:
    129 mm +16 mm versus A7 Star
    Width:
    60.4 mm
    Depth:
    16.4 mm +6 mm versus A7 Star
    Weight:
    156 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. A7 Star

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. ES400

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

A7 Star has approximately 100.3% more rectangular screen area than ES400.

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.

A7 Star: Original memory entry

164 MB

ES400: Original memory entry

256 MB RAM · 1 GB Flash

Practical features

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

1. A7 Star

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

2. ES400

NFC:
Unknown
Headphone jack:
No
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. A7 Star

    1400 mAh

  2. 2. ES400

    1540 mAh

    +140 mAh versus A7 Star

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. A7 Star2. ES400

Everyday essentials
Everyday essentials — specifications for A7 Star, ES400.
SpecificationA7 StarES400
Dimensions (HxWxD)
  • 113 Х 66 Х 10.4 mm
  • 129 Х 60.4 Х 16.4 mm
Weight
  • 0 g
  • 156 g
Technology Unknown
  • TFT
Screen size
  • 4.5" inch
  • 3" inch
Screen resolution
  • 480 x 854 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 164 MB
  • 256 MB RAM
  • 1 GB Flash
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 1540 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Microsoft Windows Mobile 6.5.3 Professional
Chipset
  • Mediatek MT6517
  • Qualcomm MSM7627
Headphone jack
  • Yes
  • No
Display
Display — specifications for A7 Star, ES400.
SpecificationA7 StarES400
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 65K
Screen area
  • 55.8 cm2
  • 27.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 74.8%
  • 35.8%
PPI /points per inch/
  • 218 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for A7 Star, ES400.
SpecificationA7 StarES400
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Performance
Performance — specifications for A7 Star, ES400.
SpecificationA7 StarES400
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • 600 MHz ARM 11
Graphics processor GPU
  • PowerVR SGX531u
  • Adreno 200
General specs
General specs — specifications for A7 Star, ES400.
SpecificationA7 StarES400
Release date
  • 2013
  • 2010
  • June
Colors
  • white/black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 220 EUR
Battery life
  • Stand by time- Up to 135 h Talking time- Up to 5 h
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for A7 Star, ES400.
SpecificationA7 StarES400
SIM card
  • Dual SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • Yes
  • 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.99 W/kg (head)
  • SAR - 1.05 W/kg (head) 0.65 W/kg (body)
Music and Audio
Music and Audio — specifications for A7 Star, ES400.
SpecificationA7 StarES400
Radio
  • FM radio
  • No
Other features
Other features — specifications for A7 Star, ES400.
SpecificationA7 StarES400
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer - MP3/AAC+/WAV/WMA player -MP4/3gp/MWV/H.264 player -Voice memo/dial -Predictive text input - IP42 water proof -MIL-STD 810G compliant: fog
  • humidity
  • transport shock and thermal shock resistant -Drop-to-concrete resistance from up to 0.91m -Bar code scanner - Also known as LG Motorola ES400S for Sprint