Celkon A403 vs HTC One M8

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

    A403: 47 g lighter

    A403:
    113 g
    One M8:
    160 g
  • Width

    A403: 5.6 mm narrower

    A403:
    65 mm
    One M8:
    70.6 mm
  • Screen diagonal

    A403: 1 in smaller diagonal

    A403:
    4 in
    One M8:
    5 in
  • Chipset

    A403:
    Spreadtrum SC7715
    One M8:
    Qualcomm MSM8974AB Snapdragon 801 (28 nm)
  • Depth

    One M8: 0.8 mm thinner

    A403:
    10.2 mm
    One M8:
    9.4 mm
  • Height

    A403: 21.4 mm shorter

    A403:
    125 mm
    One M8:
    146.4 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
    Width:
    65 mm
    Depth:
    10.2 mm +0.8 mm versus One M8
  2. 2. One M8

    Height:
    146.4 mm +21.4 mm versus A403
    Width:
    70.6 mm +5.6 mm versus A403
    Depth:
    9.4 mm

Weight

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

  1. 1. A403

    113 g

  2. 2. One M8

    160 g

    +47 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 M8

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

One M8 has approximately 51.3% 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 M8, compared at the same storage capacity.
StorageA403One M8
16 GB Unknown 2 GB RAM
32 GB Unknown 2 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 M8

NFC:
See details Yes (market/operator dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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 M8

    2600 mAh

    +1200 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 M8

Everyday essentials
Everyday essentials — specifications for A403, One M8.
SpecificationA403One M8
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 146.4 Х 70.6 Х 9.4 mm
Weight
  • 113 g
  • 160 g
Technology Unknown
  • Super LCD3
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 2600 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.4.2 (KitKat)
  • upgradable to 6.0 (Marshmallow); Sense UI 6
Chipset
  • Spreadtrum SC7715
  • Qualcomm MSM8974AB Snapdragon 801 (28 nm)
NFC Unknown
  • Yes (market/operator dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A403, One M8.
SpecificationA403One M8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.1%
  • 66.7%
PPI /points per inch/
  • 233 PPI
  • 441 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A403, One M8.
SpecificationA403One M8
Rear camera, main
  • 3.15 MP
  • Single
  • 4 MP
  • Single
Camera specs
  • 3.15 MP
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
  • AF -4 MP
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.3 MP
  • 5 MP
  • f/2.0
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for A403, One M8.
SpecificationA403One M8
Processor CPU
  • 1.0 GHz
  • Quad-core 2.3 GHz (US/EMEA)/ 2.5 GHz (Asia
  • China) Krait 400
Graphics processor GPU Unknown
  • Adreno 330
Antutu 7 score * Unknown
  • 58192
GeekBench 4 Single Core * Unknown
  • 961
GeekBench 4 Multi-Core * Unknown
  • 2306
GeekBench 4 RenderScript * Unknown
  • 2438
GeekBench 4 Battery * Unknown
  • 1320
General specs
General specs — specifications for A403, One M8.
SpecificationA403One M8
Release date
  • 2015
  • August
  • 2014
  • March
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • Gunmetal Gray
  • Glacial Silver
  • Amber Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 250 EUR
Battery life Unknown
  • Stand by time- Up to 271 h (2G) / Up to 496 h (3G) Talking time- Up to 14 h (2G) / Up to 20 h (3G)
Body build Unknown
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for A403, One M8.
SpecificationA403One M8
SIM card
  • Dual SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA
  • HSPA 42.2/21.1(AT&T)/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0 (MHL TV-out)
  • USB Host
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • aptX
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.68 W/kg (body)
  • SAR EU - 0.42 W/kg (head) 0.22 W/kg (body)
Music and Audio
Music and Audio — specifications for A403, One M8.
SpecificationA403One M8
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A403, One M8.
SpecificationA403One M8
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0) - Also known as HTC M8
  • All New HTC One