Karbonn A7 Star vs O2 XDA

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.

  • Width

    A7 Star: 7 mm narrower

    A7 Star:
    66 mm
    XDA:
    73 mm
  • Screen diagonal

    XDA: 1 in smaller diagonal

    A7 Star:
    4.5 in
    XDA:
    3.5 in
  • Depth

    A7 Star: 7.6 mm thinner

    A7 Star:
    10.4 mm
    XDA:
    18 mm
  • Height

    A7 Star: 16 mm shorter

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

    A7 Star:
    2013
    XDA:
    2003

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
    Depth:
    10.4 mm
    Weight:
    Unknown
  2. 2. XDA

    Height:
    129 mm +16 mm versus A7 Star
    Width:
    73 mm +7 mm versus A7 Star
    Depth:
    18 mm +7.6 mm versus A7 Star
    Weight:
    201 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. XDA

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

A7 Star has approximately 47.2% more rectangular screen area than XDA.

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

XDA: Original memory entry

64 MB RAM · 32 MB ROM

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. XDA

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. XDA

Everyday essentials
Everyday essentials — specifications for A7 Star, XDA.
SpecificationA7 StarXDA
Dimensions (HxWxD)
  • 113 Х 66 Х 10.4 mm
  • 129 Х 73 Х 18 mm
Weight
  • 0 g
  • 201 g
Technology Unknown
  • TFT
Screen size
  • 4.5" inch
  • 3.5" inch
Screen resolution
  • 480 x 854 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 164 MB
  • 64 MB RAM
  • 32 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • MMC/SD
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Microsoft Windows PocketPC
Chipset
  • Mediatek MT6517
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for A7 Star, XDA.
SpecificationA7 StarXDA
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 4096
Screen area
  • 55.8 cm2
  • 37.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 74.8%
  • 40.3%
PPI /points per inch/
  • 218 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for A7 Star, XDA.
SpecificationA7 StarXDA
Rear camera, main
  • 5 MP
  • Single
  • 0 MP,
Camera specs
  • 5 MP
Unknown
Functions
  • LED flash
Unknown
Video
  • Yes
Unknown
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Performance
Performance — specifications for A7 Star, XDA.
SpecificationA7 StarXDA
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Intel Strong PXA263 400 MHz
Graphics processor GPU
  • PowerVR SGX531u
Unknown
General specs
General specs — specifications for A7 Star, XDA.
SpecificationA7 StarXDA
Release date
  • 2013
  • 2003
Colors
  • white/black
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life
  • Stand by time- Up to 135 h Talking time- Up to 5 h
  • Stand by time- Up to 150 h Talking time- Up to 3 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for A7 Star, XDA.
SpecificationA7 StarXDA
SIM card
  • Dual SIM
  • Mini-SIM
GPRS
  • Yes
  • Class 8
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • No
  • No
USB
  • Proprietary
  • Proprietary
Bluetooth
  • Yes
  • No
Harmful irradiation
  • SAR EU - 0.99 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for A7 Star, XDA.
SpecificationA7 StarXDA
Radio
  • FM radio
  • No
Other features
Other features — specifications for A7 Star, XDA.
SpecificationA7 StarXDA
Dop
  • Sensors Accelerometer
  • proximity
  • Infrared port - Pocket Office -Media player -Voice memo - Produced by HTC. Functionally identical to Qtek 1010.