Oppo A12 vs Xiaomi Redmi 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

    Redmi 3: 21 g lighter

    A12:
    165 g
    Redmi 3:
    144 g
  • Width

    Redmi 3: 5.9 mm narrower

    A12:
    75.5 mm
    Redmi 3:
    69.6 mm
  • Screen diagonal

    Redmi 3: 1.22 in smaller diagonal

    A12:
    6.22 in
    Redmi 3:
    5 in
  • Chipset

    A12:
    Mediatek MT6765 Helio P35 (12nm)
    Redmi 3:
    Qualcomm MSM8939v2 Snapdragon 616 (28 nm)
  • Rear camera layout

    A12:
    Dual
    Redmi 3:
    Single
  • Height

    Redmi 3: 16.6 mm shorter

    A12:
    155.9 mm
    Redmi 3:
    139.3 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. A12

    Height:
    155.9 mm +16.6 mm versus Redmi 3
    Width:
    75.5 mm +5.9 mm versus Redmi 3
    Depth:
    8.3 mm
  2. 2. Redmi 3

    Height:
    139.3 mm
    Width:
    69.6 mm
    Depth:
    8.5 mm

Weight

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

  1. 1. A12

    165 g

    +21 g versus Redmi 3

  2. 2. Redmi 3

    144 g

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. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²
  2. 2. Redmi 3

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

A12 has approximately 40.1% more rectangular screen area than Redmi 3.

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 A12, Redmi 3, compared at the same storage capacity.
StorageA12Redmi 3
16 GB Not recorded 2 GB RAM
32 GB 3 GB RAM Not recorded
64 GB 4 GB RAM Not recorded

Practical features

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

1. A12

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

2. Redmi 3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. A12

    4230 mAh

    +130 mAh versus Redmi 3

  2. 2. Redmi 3

    4100 mAh

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. A122. Redmi 3

Everyday essentials
Everyday essentials — specifications for A12, Redmi 3.
SpecificationA12Redmi 3
Dimensions (HxWxD)
  • 155.9 Х 75.5 Х 8.3 mm
  • 139.3 Х 69.6 Х 8.5 mm
Weight
  • 165 g
  • 144 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.22" inch
  • 5" inch
Screen resolution
  • 720 x 1520 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 64GB 4GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 4100 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 5.1 (Lollipop); MIUI 7
Chipset
  • Mediatek MT6765 Helio P35 (12nm)
  • Qualcomm MSM8939v2 Snapdragon 616 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A12, Redmi 3.
SpecificationA12Redmi 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 96.6 cm2
  • 68.9 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.0%
  • 71.1%
PPI /points per inch/
  • 270 PPI
  • 294 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for A12, Redmi 3.
SpecificationA12Redmi 3
Rear camera, main
  • 13 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
  • 13 MP
  • PDAF
  • f/2.0
Functions
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for A12, Redmi 3.
SpecificationA12Redmi 3
Processor CPU
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 405
Antutu 7 score * Unknown
  • 33714
GeekBench 4 Single Core * Unknown
  • 633
GeekBench 4 Multi-Core * Unknown
  • 1685
GeekBench 4 RenderScript * Unknown
  • 1770
GeekBench 5 Single Core * Unknown
  • 89
GeekBench 5 Multi-Core * Unknown
  • 545
General specs
General specs — specifications for A12, Redmi 3.
SpecificationA12Redmi 3
Release date
  • 2020
  • April 20
  • 2016
  • January
Colors
  • Blue
  • Black
  • Gold
  • Dark Gray
  • Silver
  • Classic Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 160 EUR
Body build
  • Glass front
  • plastic back
  • plastic frame
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for A12, Redmi 3.
SpecificationA12Redmi 3
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • 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)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A
  • HSPA
  • LTE
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.1
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 1.33 W/kg (head)
Music and Audio
Music and Audio — specifications for A12, Redmi 3.
SpecificationA12Redmi 3
Radio
  • FM radio
  • FM radio
Others
  • 450 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A12, Redmi 3.
SpecificationA12Redmi 3
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging