Celkon A403 vs vivo NEX 3

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: 104.3 g lighter

    A403:
    113 g
    NEX 3:
    217.3 g
  • Width

    A403: 11.1 mm narrower

    A403:
    65 mm
    NEX 3:
    76.1 mm
  • Screen diagonal

    A403: 2.89 in smaller diagonal

    A403:
    4 in
    NEX 3:
    6.89 in
  • Chipset

    A403:
    Spreadtrum SC7715
    NEX 3:
    Qualcomm SDM855 Snapdragon 855+ (7 nm)
  • Rear camera layout

    A403:
    Single
    NEX 3:
    Triple
  • Depth

    NEX 3: 0.8 mm thinner

    A403:
    10.2 mm
    NEX 3:
    9.4 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 NEX 3
  2. 2. NEX 3

    Height:
    167.4 mm +42.4 mm versus A403
    Width:
    76.1 mm +11.1 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. NEX 3

    217.3 g

    +104.3 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. A403

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

    NEX 3: Screen geometry unavailable or conflicting.

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

NEX 3: Original memory entry

128GB 8GB RAM · UFS3.0

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. NEX 3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. NEX 3

    4500 mAh

    +3100 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. NEX 3

Everyday essentials
Everyday essentials — specifications for A403, NEX 3.
SpecificationA403NEX 3
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 167.4 Х 76.1 Х 9.4 mm
Weight
  • 113 g
  • 217.3 g
Technology Unknown
  • Super AMOLED
Screen size
  • 4" inch
  • 6.89" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2256 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 128GB 8GB RAM
  • UFS3.0
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 9.0 (Pie); Funtouch 9.1
Chipset
  • Spreadtrum SC7715
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A403, NEX 3.
SpecificationA403NEX 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 119.3 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio
  • 56.1%
  • 93.6%
PPI /points per inch/
  • 233 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for A403, NEX 3.
SpecificationA403NEX 3
Rear camera, main
  • 3.15 MP
  • Single
  • 64 MP
  • Triple
Camera specs
  • 3.15 MP
  • 64 MP
  • f/1.8
  • (wide)
  • 1/1.7''
  • 0.8µm
  • PDAF -13 MP
  • f/2.5
  • (telephoto)
  • f/2.2
  • (ultrawide)
  • PDAF
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 1.3 MP
  • Motorized pop-up 16 MP
  • f/2.1
Performance

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

Performance — specifications for A403, NEX 3.
SpecificationA403NEX 3
Processor CPU
  • 1.0 GHz
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU Unknown
  • Adreno 640 (700 MHz)
Antutu 8 score * Unknown
  • 483427
General specs
General specs — specifications for A403, NEX 3.
SpecificationA403NEX 3
Release date
  • 2015
  • August
  • 2019
  • September
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • Liquid Tianhe
  • Deep air streamer
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 640 EUR
Body build Unknown
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A403, NEX 3.
SpecificationA403NEX 3
SIM card
  • Dual SIM
  • 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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
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
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • 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, NEX 3.
SpecificationA403NEX 3
Radio
  • FM radio
  • No
Others Unknown
  • HDR10
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A403, NEX 3.
SpecificationA403NEX 3
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 44W