Celkon A40 vs Oppo F15

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: 45.5 g lighter

    A40:
    126.5 g
    F15:
    172 g
  • Width

    A40: 9.3 mm narrower

    A40:
    64 mm
    F15:
    73.3 mm
  • Screen diagonal

    A40: 2.4 in smaller diagonal

    A40:
    4 in
    F15:
    6.4 in
  • Rear camera layout

    A40:
    Single
    F15:
    Quad
  • Depth

    F15: 2.9 mm thinner

    A40:
    10.8 mm
    F15:
    7.9 mm
  • Height

    A40: 34 mm shorter

    A40:
    126.2 mm
    F15:
    160.2 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 +2.9 mm versus F15
  2. 2. F15

    Height:
    160.2 mm +34 mm versus A40
    Width:
    73.3 mm +9.3 mm versus A40
    Depth:
    7.9 mm

Weight

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

  1. 1. A40

    126.5 g

  2. 2. F15

    172 g

    +45.5 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.

  1. 1. A40

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. F15

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    98.9 cm²

F15 has approximately 117.1% more rectangular screen area than A40.

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, F15, compared at the same storage capacity.
StorageA40F15
128 GB Unknown 8 GB RAM
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. F15

NFC:
Unknown
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. A40

    1500 mAh

  2. 2. F15

    4025 mAh

    +2525 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. F15

Everyday essentials
Everyday essentials — specifications for A40, F15.
SpecificationA40F15
Dimensions (HxWxD)
  • 126.2 Х 64 Х 10.8 mm
  • 160.2 Х 73.3 Х 7.9 mm
Weight
  • 126.5 g
  • 172 g
Technology
  • TFT
  • AMOLED
Screen size
  • 4" inch
  • 6.4" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2400 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
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 4025 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6771V Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A40, F15.
SpecificationA40F15
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 100.4 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 56.4%
  • 85.5%
PPI /points per inch/
  • 233 PPI
  • 408 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for A40, F15.
SpecificationA40F15
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 5 MP
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.3
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm -2 MP B/W
  • f/2.4
  • 1/5.0''
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for A40, F15.
SpecificationA40F15
Processor CPU
  • Dual-core 1.3 GHz
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 135115
General specs
General specs — specifications for A40, F15.
SpecificationA40F15
Release date
  • 2014
  • January
  • 2020
  • January
Colors
  • White
  • Yellow
  • Blue
  • Lightening Black
  • Unicorn White
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for A40, F15.
SpecificationA40F15
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 42.2/11.5 Mbps
  • LTE-A
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
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 1.20 W/kg (head) 0.55 W/kg (body)
Music and Audio
Music and Audio — specifications for A40, F15.
SpecificationA40F15
Radio
  • FM radio
  • FM radio
Others Unknown
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A40, F15.
SpecificationA40F15
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 20W: 50% in 30 min (VOOC Flash Charge 3.0)