Nokia 3.1 C 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

    3.1 C: 9 g lighter

    3.1 C:
    156 g
    A12:
    165 g
  • Width

    3.1 C: 3.6 mm narrower

    3.1 C:
    71.9 mm
    A12:
    75.5 mm
  • Screen diagonal

    3.1 C: 0.77 in smaller diagonal

    3.1 C:
    5.45 in
    A12:
    6.22 in
  • Memory variants

    At 32 GB storage

    3.1 C:
    2 GB RAM
    A12:
    3 GB RAM
  • Chipset

    3.1 C:
    Qualcomm SDM429 Snapdragon 429
    A12:
    Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layout

    3.1 C:
    Single
    A12:
    Dual

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. 3.1 C

    Height:
    152.7 mm
    Width:
    71.9 mm
    Depth:
    9.4 mm +1.1 mm versus A12
  2. 2. A12

    Height:
    155.9 mm +3.2 mm versus 3.1 C
    Width:
    75.5 mm +3.6 mm versus 3.1 C
    Depth:
    8.3 mm

Weight

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

  1. 1. 3.1 C

    156 g

  2. 2. A12

    165 g

    +9 g versus 3.1 C

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. 3.1 C

    Screen diagonal:
    5.45 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    76.7 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 26% more rectangular screen area than 3.1 C.

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 3.1 C, A12, compared at the same storage capacity.
Storage3.1 CA12
32 GB Recorded for all phones 2 GB RAM 3 GB RAM
64 GB Not recorded 4 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. 3.1 C

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB

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. 3.1 C

    2990 mAh

  2. 2. A12

    4230 mAh

    +1240 mAh versus 3.1 C

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. 3.1 C2. A12

Everyday essentials
Everyday essentials — specifications for 3.1 C, A12.
Specification3.1 CA12
Dimensions (HxWxD)
  • 152.7 Х 71.9 Х 9.4 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 156 g
  • 165 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.45" inch
  • 6.22" inch
Screen resolution
  • 720 x 1440 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 GB RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • up to 128 GB
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 2990 mAh
  • Non-removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Qualcomm SDM429 Snapdragon 429
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 3.1 C, A12.
Specification3.1 CA12
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 76.7 cm2
  • 96.6 cm2
Screen format
  • 18:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 69.8%
  • 82.0%
PPI /points per inch/
  • 295 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for 3.1 C, A12.
Specification3.1 CA12
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • f/2.0
  • AF
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • HDR
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance
Performance — specifications for 3.1 C, A12.
Specification3.1 CA12
Processor CPU
  • Quad-core 1.8 GHz Cortex-A53
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 504
  • PowerVR GE8320
General specs
General specs — specifications for 3.1 C, A12.
Specification3.1 CA12
Release date
  • 2019
  • June
  • 2020
  • April 20
Colors
  • White
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for 3.1 C, A12.
Specification3.1 CA12
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA (unspecified) -4G - LTE (unspecified)
  • 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 42.2/5.76 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
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for 3.1 C, A12.
Specification3.1 CA12
Radio
  • FM radio
  • FM radio
Others Unknown
  • 450 nits typ. brightness
Other features
Other features — specifications for 3.1 C, A12.
Specification3.1 CA12
Dop
  • Sensors Accelerometer
  • gyro
  • proximity - Fast battery charging 10W - For Cricket
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass