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Celkon A403 vs ZTE Open C

Compare recorded specifications, size and practical differences.

Celkon A403

Celkon A403

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ZTE Open C

ZTE Open C

Replace Open C
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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

    A403: 12 g lighter

    A403:
    113 g
    Open C:
    125 g
  • Chipset

    A403:
    Spreadtrum SC7715
    Open C:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    A403: 0.6 mm thinner

    A403:
    10.2 mm
    Open C:
    10.8 mm
  • Release year

    A403:
    2015
    Open C:
    2014

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
Front — relative 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. A403: height 125 mm; Width 65 mm. Open C: height 126 mm; Width 64.7 mm. A403: 125 × 65 mm 1 Open C: 126 × 64.7 mm 2
Side
Side — relative 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. A403: height 125 mm; Depth 10.2 mm. Open C: height 126 mm; Depth 10.8 mm. A403: 125 × 10.2 mm 1 Open C: 126 × 10.8 mm 2
  1. 1. A403

    Height:
    125 mm
    Width:
    65 mm
    Depth:
    10.2 mm
    Weight:
    113 g
  2. 2. Open C

    Height:
    126 mm
    Width:
    64.7 mm
    Depth:
    10.8 mm +0.6 mm versus A403
    Weight:
    125 g

Weight

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

  1. 1. A403

    113 g

  2. 2. Open C

    125 g

    +12 g versus A403

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
Relative rectangular screen sizes; numbers match the phone labels below 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. A403: screen diagonal 4 in; aspect ratio (height:width) 5:3; approximate rectangular area 45.5 cm². Open C: screen diagonal 4 in; aspect ratio (height:width) 5:3; approximate rectangular area 45.5 cm². A403: 4 in, 5:3, About 45.5 cm² rectangular area 1 Open C: 4 in, 5:3, About 45.5 cm² rectangular area 2
  1. 1. A403

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

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

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

Open C: Original memory entry

4 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. A403

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

2. Open C

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

  2. 2. Open C

    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. A4032. Open C

Everyday essentials
Everyday essentials — specifications for A403, Open C.
SpecificationA403Open C
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 126 Х 64.7 Х 10.8 mm
Weight
  • 113 g
  • 125 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 4 GB
  • 512 MB RAM
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
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Firefox OS 1.3
Chipset
  • Spreadtrum SC7715
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A403, Open C.
SpecificationA403Open C
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 45.5 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 56.1%
  • 55.9%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for A403, Open C.
SpecificationA403Open C
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • 352x288@15fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for A403, Open C.
SpecificationA403Open C
Processor CPU
  • 1.0 GHz
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
Antutu 7 score Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 12154
General specs
General specs — specifications for A403, Open C.
SpecificationA403Open C
Release date
  • 2015
  • August
  • 2014
  • February
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • Orange
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 150 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for A403, Open C.
SpecificationA403Open C
SIM card
  • Dual SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
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, Open C.
SpecificationA403Open C
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A403, Open C.
SpecificationA403Open C
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input