Celkon A125 vs Oppo A1k

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

    A125: 91.8 g lighter

    A125:
    78.2 g
    A1k:
    170 g
  • Width

    A125: 5.3 mm narrower

    A125:
    68.5 mm
    A1k:
    73.8 mm
  • Screen diagonal

    A125: 1.6 in smaller diagonal

    A125:
    4.5 in
    A1k:
    6.1 in
  • Depth

    A1k: 1.6 mm thinner

    A125:
    10 mm
    A1k:
    8.4 mm
  • Height

    A125: 16.5 mm shorter

    A125:
    138 mm
    A1k:
    154.5 mm
  • Release year

    A125:
    2014
    A1k:
    2019

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. A125

    Height:
    138 mm
    Width:
    68.5 mm
    Depth:
    10 mm +1.6 mm versus A1k
  2. 2. A1k

    Height:
    154.5 mm +16.5 mm versus A125
    Width:
    73.8 mm +5.3 mm versus A125
    Depth:
    8.4 mm

Weight

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

  1. 1. A125

    78.2 g

  2. 2. A1k

    170 g

    +91.8 g versus A125

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. A125

    A125: Screen geometry unavailable or conflicting.

  2. 2. A1k

    Screen diagonal:
    6.1 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    91.3 cm²

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 A125, A1k, compared at the same storage capacity.
StorageA125A1k
32 GB Unknown 2 GB RAM
A125: 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. A125

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

2. A1k

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. A125

    2000 mAh

  2. 2. A1k

    4000 mAh

    +2000 mAh versus A125

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. A1252. A1k

Everyday essentials
Everyday essentials — specifications for A125, A1k.
SpecificationA125A1k
Dimensions (HxWxD)
  • 138 Х 68.5 Х 10 mm
  • 154.5 Х 73.8 Х 8.4 mm
Weight
  • 78.2 g
  • 170 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.1" inch
Screen resolution
  • 960 x 854 px
  • 720 x 1560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 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.
  • 2000 mAh
  • Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 9.0 (Pie); ColorOS 6
Chipset Unknown
  • Mediatek MT6762 Helio P22 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A125, A1k.
SpecificationA125A1k
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 64.9 cm2
  • 91.3 cm2
Screen format Unknown
  • 19.5:9 (height:width)
Screen to body ratio
  • 68.6%
  • 80.1%
PPI /points per inch/
  • 0 PPI
  • 282 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A125, A1k.
SpecificationA125A1k
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • f/2.2
  • 1/3.2''
  • 1.4µm
  • AF
Functions Unknown
  • HDR
Video
  • Yes
  • 720p
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.3 MP
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance

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

Performance — specifications for A125, A1k.
SpecificationA125A1k
Processor CPU
  • Dual-core 1.3 GHz
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • PowerVR GE8320
Antutu 7 score * Unknown
  • 75826
General specs
General specs — specifications for A125, A1k.
SpecificationA125A1k
Release date
  • 2014
  • 2019
  • April
Colors
  • White
  • Black
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 100 EUR
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for A125, A1k.
SpecificationA125A1k
SIM card
  • Dual SIM (Mini-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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.74 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A125, A1k.
SpecificationA125A1k
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A125, A1k.
SpecificationA125A1k
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - Versions: CPH1923