Micromax A57 Ninja 3.0 vs Oppo A12

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

    A57 Ninja 3.0: 71.2 g lighter

    A57 Ninja 3.0:
    93.8 g
    A12:
    165 g
  • Width

    A57 Ninja 3.0: 13.5 mm narrower

    A57 Ninja 3.0:
    62 mm
    A12:
    75.5 mm
  • Screen diagonal

    A57 Ninja 3.0: 2.72 in smaller diagonal

    A57 Ninja 3.0:
    3.5 in
    A12:
    6.22 in
  • Rear camera layout

    A57 Ninja 3.0:
    Single
    A12:
    Dual
  • Depth

    A12: 3.2 mm thinner

    A57 Ninja 3.0:
    11.5 mm
    A12:
    8.3 mm
  • Height

    A57 Ninja 3.0: 39.9 mm shorter

    A57 Ninja 3.0:
    116 mm
    A12:
    155.9 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. A57 Ninja 3.0

    Height:
    116 mm
    Width:
    62 mm
    Depth:
    11.5 mm +3.2 mm versus A12
  2. 2. A12

    Height:
    155.9 mm +39.9 mm versus A57 Ninja 3.0
    Width:
    75.5 mm +13.5 mm versus A57 Ninja 3.0
    Depth:
    8.3 mm

Weight

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

  1. 1. A57 Ninja 3.0

    93.8 g

  2. 2. A12

    165 g

    +71.2 g versus A57 Ninja 3.0

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. A57 Ninja 3.0

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

A12 has approximately 164.7% more rectangular screen area than A57 Ninja 3.0.

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 A57 Ninja 3.0, A12, compared at the same storage capacity.
StorageA57 Ninja 3.0A12
32 GB Unknown 3 GB RAM
64 GB Unknown 4 GB RAM
A57 Ninja 3.0: Original memory entry

512 MB RAM · 256 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A57 Ninja 3.0

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

2. A12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

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. A57 Ninja 3.0

    1400 mAh

  2. 2. A12

    4230 mAh

    +2830 mAh versus A57 Ninja 3.0

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. A57 Ninja 3.02. A12

Everyday essentials
Everyday essentials — specifications for A57 Ninja 3.0, A12.
SpecificationA57 Ninja 3.0A12
Dimensions (HxWxD)
  • 116 Х 62 Х 11.5 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 93.8 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.22" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB RAM
  • 256 MB
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A57 Ninja 3.0, A12.
SpecificationA57 Ninja 3.0A12
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 36.5 cm2
  • 96.6 cm2
Screen format
  • 3:2 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 50.7%
  • 82.0%
PPI /points per inch/
  • 165 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A57 Ninja 3.0, A12.
SpecificationA57 Ninja 3.0A12
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 3.15 MP
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance
Performance — specifications for A57 Ninja 3.0, A12.
SpecificationA57 Ninja 3.0A12
Processor CPU
  • 1.0 GHz
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 200
  • PowerVR GE8320
General specs
General specs — specifications for A57 Ninja 3.0, A12.
SpecificationA57 Ninja 3.0A12
Release date
  • 2012
  • September
  • 2020
  • April 20
Colors
  • Black
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 145 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for A57 Ninja 3.0, A12.
SpecificationA57 Ninja 3.0A12
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • 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)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • 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
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.86 W/kg (head) 0.60 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A57 Ninja 3.0, A12.
SpecificationA57 Ninja 3.0A12
Radio
  • FM radio
  • FM radio
Others Unknown
  • 450 nits typ. brightness
Other features
Other features — specifications for A57 Ninja 3.0, A12.
SpecificationA57 Ninja 3.0A12
Dop
  • Sensors Accelerometer MP3/AAC/WMA/WAV player -MP4/WMV/H.264 player -Document viewer -Photo viewer/editor
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass