Celkon A403 vs Micromax A25

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.

  • Weight

    A25: 11 g lighter

    A403:
    113 g
    A25:
    102 g
  • Width

    A25: 9 mm narrower

    A403:
    65 mm
    A25:
    56 mm
  • Screen diagonal

    A25: 1.2 in smaller diagonal

    A403:
    4 in
    A25:
    2.8 in
  • Chipset

    A403:
    Spreadtrum SC7715
    A25:
    Mediatek MT6515
  • Depth

    A403: 2.8 mm thinner

    A403:
    10.2 mm
    A25:
    13 mm
  • Height

    A25: 20.5 mm shorter

    A403:
    125 mm
    A25:
    104.5 mm

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. A403

    Height:
    125 mm +20.5 mm versus A25
    Width:
    65 mm +9 mm versus A25
    Depth:
    10.2 mm
  2. 2. A25

    Height:
    104.5 mm
    Width:
    56 mm
    Depth:
    13 mm +2.8 mm versus A403

Weight

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

  1. 1. A403

    113 g

    +11 g versus A25

  2. 2. A25

    102 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. A403

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. A25

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

A403 has approximately 87.6% more rectangular screen area than A25.

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.

A403: Original memory entry

4 GB · 512 MB RAM

A25: Original memory entry

256 MB RAM · 512 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. A403

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

2. A25

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. A403

    1400 mAh

    +120 mAh versus A25

  2. 2. A25

    1280 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. A4032. A25

Everyday essentials
Everyday essentials — specifications for A403, A25.
SpecificationA403A25
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 104.5 Х 56 Х 13 mm
Weight
  • 113 g
  • 102 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 2.8" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 256 MB RAM
  • 512 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.
  • 1400 mAh
  • Li-Ion
  • 1280 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 2.3.6 (Gingerbread)
Chipset
  • Spreadtrum SC7715
  • Mediatek MT6515
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A403, A25.
SpecificationA403A25
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 45.5 cm2
  • 24.3 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 56.1%
  • 41.5%
PPI /points per inch/
  • 233 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for A403, A25.
SpecificationA403A25
Rear camera, main
  • 3.15 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 3.15 MP
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for A403, A25.
SpecificationA403A25
Processor CPU
  • 1.0 GHz
  • 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531
General specs
General specs — specifications for A403, A25.
SpecificationA403A25
Release date
  • 2015
  • August
  • 2012
  • October
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 50 EUR
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for A403, A25.
SpecificationA403A25
SIM card
  • Dual SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
GPS
  • A-GPS
  • No
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A403, A25.
SpecificationA403A25
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A403, A25.
SpecificationA403A25
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer