Celkon A403 vs HTC One ST

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

    A403: 1.9 mm narrower

    A403:
    65 mm
    One ST:
    66.9 mm
  • Screen diagonal

    A403: 0.3 in smaller diagonal

    A403:
    4 in
    One ST:
    4.3 in
  • Depth

    One ST: 0.9 mm thinner

    A403:
    10.2 mm
    One ST:
    9.3 mm
  • Height

    A403: 3 mm shorter

    A403:
    125 mm
    One ST:
    128 mm
  • Release year

    A403:
    2015
    One ST:
    2012

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
    Width:
    65 mm
    Depth:
    10.2 mm +0.9 mm versus One ST
  2. 2. One ST

    Height:
    128 mm +3 mm versus A403
    Width:
    66.9 mm +1.9 mm versus A403
    Depth:
    9.3 mm

Weight

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

  1. 1. A403

    113 g

  2. 2. One ST

    115 g

    +2 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.

  1. 1. A403

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

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

One ST has approximately 15.6% more rectangular screen area than A403.

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.

Recorded RAM for A403, One ST, compared at the same storage capacity.
StorageA403One ST
4 GB Unknown 1 GB RAM
A403: 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. One ST

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. One ST

    1800 mAh

    +400 mAh versus A403

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. One ST

Everyday essentials
Everyday essentials — specifications for A403, One ST.
SpecificationA403One ST
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 128 Х 66.9 Х 9.3 mm
Weight
  • 113 g
  • 115 g
Technology Unknown
  • Super LCD2
Screen size
  • 4" inch
  • 4.3" 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
  • 1 GB 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
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.0 (Ice Cream Sandwich); Sense UI
Chipset
  • Spreadtrum SC7715
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A403, One ST.
SpecificationA403One ST
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 52.6 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 56.1%
  • 61.5%
PPI /points per inch/
  • 233 PPI
  • 217 PPI
Camera and Video
Camera and Video — specifications for A403, One ST.
SpecificationA403One ST
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for A403, One ST.
SpecificationA403One ST
Processor CPU
  • 1.0 GHz
  • Dual-core 1.0 GHz
General specs
General specs — specifications for A403, One ST.
SpecificationA403One ST
Release date
  • 2015
  • August
  • 2012
  • August
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • Black
  • White
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Communication and Connectivity
Communication and Connectivity — specifications for A403, One ST.
SpecificationA403One ST
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • aptX
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A403, One ST.
SpecificationA403One ST
Radio
  • FM radio
  • No
Others Unknown
  • Beats Audio
Other features
Other features — specifications for A403, One ST.
SpecificationA403One ST
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity - MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -Document viewer -Voice memo/dial -Predictive text input - For China