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Celkon A403 vs HTC U12+

Compare recorded specifications, size and practical differences.

Celkon A403

Celkon A403

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HTC U12+

HTC U12+

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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: 75 g lighter

    A403:
    113 g
    U12+:
    188 g
  • Width

    A403: 8.9 mm narrower

    A403:
    65 mm
    U12+:
    73.9 mm
  • Screen diagonal

    A403: 2 in smaller diagonal

    A403:
    4 in
    U12+:
    6 in
  • Chipset

    A403:
    Spreadtrum SC7715
    U12+:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    A403:
    Single
    U12+:
    Dual
  • Depth

    U12+: 1.5 mm thinner

    A403:
    10.2 mm
    U12+:
    8.7 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 +1.5 mm versus U12+
  2. 2. U12+

    Height:
    156.6 mm +31.6 mm versus A403
    Width:
    73.9 mm +8.9 mm versus A403
    Depth:
    8.7 mm

Weight

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

  1. 1. A403

    113 g

  2. 2. U12+

    188 g

    +75 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. U12+

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²

U12+ has approximately 104% 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, U12+, compared at the same storage capacity.
StorageA403U12+
64 GB Unknown 6 GB RAM
128 GB Unknown 6 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. U12+

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 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. U12+

    3500 mAh

    +2100 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. U12+

Everyday essentials
Everyday essentials — specifications for A403, U12+.
SpecificationA403U12+
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 156.6 Х 73.9 Х 8.7 mm
Weight
  • 113 g
  • 188 g
Technology Unknown
  • Super LCD6
Screen size
  • 4" inch
  • 6" inch
Screen resolution
  • 480 x 800 px
  • 1440 x 2880 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 8.0 (Oreo)
  • planned upgrade to Android 9.0 (Pie); Sense UI
Chipset
  • Spreadtrum SC7715
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for A403, U12+.
SpecificationA403U12+
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 92.9 cm2
Screen format
  • 5:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 56.1%
  • 80.3%
PPI /points per inch/
  • 233 PPI
  • 537 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A403, U12+.
SpecificationA403U12+
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 3.15 MP
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF & laser AF
  • OIS -16 MP (12 MP effective)
  • f/2.6
  • 1.0µm
  • 2x optical zoom
  • AF
Functions
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 8 MP
  • Dual
Specifications
  • 1.3 MP
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm 8 MP
  • 1.12µm
DxOMark Main Score Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 103
DxOMark Photo Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 106
DxOMark Video Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 95
Performance
Performance — specifications for A403, U12+.
SpecificationA403U12+
Processor CPU
  • 1.0 GHz
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU Unknown
  • Adreno 630
Antutu 7 score Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 275302
GeekBench 4 Single Core Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 2406
GeekBench 4 Multi-Core Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 8712
GeekBench 4 RenderScript Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 13476
GeekBench 5 Single Core Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 507
GeekBench 5 Multi-Core Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 2082
General specs
General specs — specifications for A403, U12+.
SpecificationA403U12+
Release date
  • 2015
  • August
  • 2018
  • May
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • Translucent Blue
  • Ceramic Black
  • Flame red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 650 EUR
Battery life Unknown
  • Talking time- Up to 24 h (3G)
Body build Unknown
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A403, U12+.
SpecificationA403U12+
SIM card
  • Dual SIM
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 49
  • 41(2500)
  • 66(1700/2100)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 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
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 3.1
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • aptX HD
  • LE
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A403, U12+.
SpecificationA403U12+
Radio
  • FM radio
  • No
Others Unknown
  • DCI-P3 -HDR10
  • 32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A403, U12+.
SpecificationA403U12+
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 50% in 35 min (Quick Charge 3.0) - IP68 dust/water proof (up to 1.5m for 30 mins) -Pressure-sensitive buttons