Celkon A40 vs vivo U10

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

    A40: 64 g lighter

    A40:
    126.5 g
    U10:
    190.5 g
  • Width

    A40: 12.8 mm narrower

    A40:
    64 mm
    U10:
    76.8 mm
  • Screen diagonal

    A40: 2.35 in smaller diagonal

    A40:
    4 in
    U10:
    6.35 in
  • Rear camera layout

    A40:
    Single
    U10:
    Triple
  • Depth

    U10: 1.9 mm thinner

    A40:
    10.8 mm
    U10:
    8.9 mm
  • Height

    A40: 33.2 mm shorter

    A40:
    126.2 mm
    U10:
    159.4 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. A40

    Height:
    126.2 mm
    Width:
    64 mm
    Depth:
    10.8 mm +1.9 mm versus U10
  2. 2. U10

    Height:
    159.4 mm +33.2 mm versus A40
    Width:
    76.8 mm +12.8 mm versus A40
    Depth:
    8.9 mm

Weight

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

  1. 1. A40

    126.5 g

  2. 2. U10

    190.5 g

    +64 g versus A40

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. A40

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. U10

    U10: 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.

Recorded RAM for A40, U10, compared at the same storage capacity.
StorageA40U10
32 GB Unknown 3 GB RAM
64 GB Unknown 3 / 4 GB RAM Alternative RAM configurations
A40: 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. A40

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

2. U10

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. A40

    1500 mAh

  2. 2. U10

    5000 mAh

    +3500 mAh versus A40

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. A402. U10

Everyday essentials
Everyday essentials — specifications for A40, U10.
SpecificationA40U10
Dimensions (HxWxD)
  • 126.2 Х 64 Х 10.8 mm
  • 159.4 Х 76.8 Х 8.9 mm
Weight
  • 126.5 g
  • 190.5 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 6.35" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1544 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 32GB 3GB RAM
  • 64GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 9.0 (Pie)
Chipset Unknown
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A40, U10.
SpecificationA40U10
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 99.6 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio
  • 56.4%
  • 81.4%
PPI /points per inch/
  • 233 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for A40, U10.
SpecificationA40U10
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Triple
Camera specs
  • 5 MP
  • 13 MP
  • f/2.2
  • (wide)
  • PDAF -8 MP
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
  • f/1.8
Performance

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

Performance — specifications for A40, U10.
SpecificationA40U10
Processor CPU
  • Dual-core 1.3 GHz
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU Unknown
  • Adreno 610
Antutu 7 score * Unknown
  • 143200
General specs
General specs — specifications for A40, U10.
SpecificationA40U10
Release date
  • 2014
  • January
  • 2019
  • September
Colors
  • White
  • Yellow
  • Blue
  • Thunder Black
  • Electric Blue
  • Black
  • Blue
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Communication and Connectivity
Communication and Connectivity — specifications for A40, U10.
SpecificationA40U10
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 400/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A40, U10.
SpecificationA40U10
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A40, U10.
SpecificationA40U10
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W - Also known as vivo U3x