Infinix Smart3 Plus 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

    Smart3 Plus: 17 g lighter

    Smart3 Plus:
    148 g
    A12:
    165 g
  • Chipset

    Smart3 Plus:
    Mediatek MT6761 Helio A22 (12 nm)
    A12:
    Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layout

    Smart3 Plus:
    Triple
    A12:
    Dual
  • Depth

    Smart3 Plus: 0.5 mm thinner

    Smart3 Plus:
    7.8 mm
    A12:
    8.3 mm
  • Release year

    Smart3 Plus:
    2019
    A12:
    2020

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. Smart3 Plus

    Height:
    157 mm
    Width:
    76 mm
    Depth:
    7.8 mm
  2. 2. A12

    Height:
    155.9 mm
    Width:
    75.5 mm
    Depth:
    8.3 mm +0.5 mm versus Smart3 Plus

Weight

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

  1. 1. Smart3 Plus

    148 g

  2. 2. A12

    165 g

    +17 g versus Smart3 Plus

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. Smart3 Plus

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    95.9 cm²
  2. 2. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 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 Smart3 Plus, A12, compared at the same storage capacity.
StorageSmart3 PlusA12
32 GB Unknown 3 GB RAM
64 GB Unknown 4 GB RAM
Smart3 Plus: Original memory entry

32 GB · 2/3 GB 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. Smart3 Plus

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

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. Smart3 Plus

    3500 mAh

  2. 2. A12

    4230 mAh

    +730 mAh versus Smart3 Plus

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. Smart3 Plus2. A12

Everyday essentials
Everyday essentials — specifications for Smart3 Plus, A12.
SpecificationSmart3 PlusA12
Dimensions (HxWxD)
  • 157 Х 76 Х 7.8 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 148 g
  • 165 g
Technology
  • LTPS IPS LCD
  • IPS LCD
Screen size
  • 6.2" inch
  • 6.22" inch
Screen resolution
  • 720 x 1520 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 2/3 GB RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Mediatek MT6761 Helio A22 (12 nm)
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart3 Plus, A12.
SpecificationSmart3 PlusA12
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 96.6 cm2
Screen format
  • 19:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 81.6%
  • 82.0%
PPI /points per inch/
  • 269 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Smart3 Plus, A12.
SpecificationSmart3 PlusA12
Rear camera, main
  • 13 MP
  • Triple
  • 13 MP
  • Dual
Camera specs
  • 13 MP
  • f/1.8
  • PDAF -2 MP -QVGA
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • Dual-LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 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 Smart3 Plus, A12.
SpecificationSmart3 PlusA12
Processor CPU
  • Quad-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR GE8320
  • PowerVR GE8320
Antutu 7 score *
  • 56322
Unknown
General specs
General specs — specifications for Smart3 Plus, A12.
SpecificationSmart3 PlusA12
Release date
  • 2019
  • April
  • 2020
  • April 20
Colors
  • Midnight Black
  • Aqua Blue
  • Cosmic Purple
  • Bordeaux Red
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 7000 INR
  • 150 EUR
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Smart3 Plus, A12.
SpecificationSmart3 PlusA12
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual 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
  • 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 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • 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
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Smart3 Plus, A12.
SpecificationSmart3 PlusA12
Radio
  • FM radio
  • FM radio
Others Unknown
  • 450 nits typ. brightness
Other features
Other features — specifications for Smart3 Plus, A12.
SpecificationSmart3 PlusA12
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass