Oppo A31 vs Samsung Galaxy Note II CDMA

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.

  • Display technology

    OLED versus LCD

    A31:
    LCD
    Galaxy Note II CDMA:
    OLED
  • Width

    A31: 5 mm narrower

    A31:
    75.5 mm
    Galaxy Note II CDMA:
    80.5 mm
  • Screen diagonal

    Galaxy Note II CDMA: 1 in smaller diagonal

    A31:
    6.5 in
    Galaxy Note II CDMA:
    5.5 in
  • Rear camera layout

    A31:
    Triple
    Galaxy Note II CDMA:
    Single
  • Depth

    A31: 1.1 mm thinner

    A31:
    8.3 mm
    Galaxy Note II CDMA:
    9.4 mm
  • Height

    Galaxy Note II CDMA: 12.8 mm shorter

    A31:
    163.9 mm
    Galaxy Note II CDMA:
    151.1 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. A31

    Height:
    163.9 mm +12.8 mm versus Galaxy Note II CDMA
    Width:
    75.5 mm
    Depth:
    8.3 mm
  2. 2. Galaxy Note II CDMA

    Height:
    151.1 mm
    Width:
    80.5 mm +5 mm versus A31
    Depth:
    9.4 mm +1.1 mm versus A31

Weight

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

  1. 1. A31

    180 g

    +0.6 g versus Galaxy Note II CDMA

  2. 2. Galaxy Note II CDMA

    179.4 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. A31

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²
  2. 2. Galaxy Note II CDMA

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

A31 has approximately 22.3% more rectangular screen area than Galaxy Note II CDMA.

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 A31, Galaxy Note II CDMA, compared at the same storage capacity.
StorageA31Galaxy Note II CDMA
16 GB Not recorded 2 GB RAM
128 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. A31

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. Galaxy Note II CDMA

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. A31

    4230 mAh

    +1130 mAh versus Galaxy Note II CDMA

  2. 2. Galaxy Note II CDMA

    3100 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. A312. Galaxy Note II CDMA

Everyday essentials
Everyday essentials — specifications for A31, Galaxy Note II CDMA.
SpecificationA31Galaxy Note II CDMA
Dimensions (HxWxD)
  • 163.9 Х 75.5 Х 8.3 mm
  • 151.1 Х 80.5 Х 9.4 mm
Weight
  • 180 g
  • 179.4 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 6.5" inch
  • 5.5" inch
Screen resolution
  • 720 x 1600 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 4GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 3100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 4.1 (Jelly Bean)
  • upgradable to 4.4.2 (KitKat); TouchWiz UI
Chipset
  • Mediatek MT6765V/CB Helio P35 (12nm)
  • Exynos 4412 Quad (32 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A31, Galaxy Note II CDMA.
SpecificationA31Galaxy Note II CDMA
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 83.4 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.4%
  • 68.6%
PPI /points per inch/
  • 270 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for A31, Galaxy Note II CDMA.
SpecificationA31Galaxy Note II CDMA
Rear camera, main
  • 12 MP
  • Triple
  • 8 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
  • 8 MP
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 1.9 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1.9 MP
Performance

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

Performance — specifications for A31, Galaxy Note II CDMA.
SpecificationA31Galaxy Note II CDMA
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Quad-core 1.6 GHz Cortex-A9
Graphics processor GPU
  • PowerVR GE8320
  • Mali-400MP4
GeekBench 4 Single Core * Unknown
  • 579
GeekBench 4 Multi-Core * Unknown
  • 1490
GeekBench 4 RenderScript * Unknown
  • 961
Antutu 8 score *
  • 105221
Unknown
General specs
General specs — specifications for A31, Galaxy Note II CDMA.
SpecificationA31Galaxy Note II CDMA
Release date
  • 2020
  • February 13
  • 2012
  • Q3
Colors
  • Fantasy White
  • Mystery Black
  • Titanium Gray
  • Marble white
  • Amber brown
  • Ruby Wine
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 350 EUR
Battery life Unknown
  • Stand by time- Up to 250 h (2G) / Up to 300 h (3G) Talking time- Up to 15 h Music play - Up to 40 h
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A31, Galaxy Note II CDMA.
SpecificationA31Galaxy Note II CDMA
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SCH-I605
  • SPH-L900 CDMA 800 / 1900 - SCH-I605
  • SPH-L900
  • SCH-R950 -3G - HSDPA 850 / 900 / 1900 / 2100 - SCH-I605
  • SPH-L900 CDMA2000 1xEV-DO - SCH-I605
  • SCH-R950 -4G - LTE band 13(700) - SCH-I605 LTE band 25(1900) - SPH-L900 LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700) - SCH-R950
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Yes
  • Yes - SCH-I605
  • SPH-L900
Edge
  • Yes
  • Yes - SCH-I605
  • SPH-L900
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0 (MHL TV-out)
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
  • EDR
  • LE
Music and Audio
Music and Audio — specifications for A31, Galaxy Note II CDMA.
SpecificationA31Galaxy Note II CDMA
Radio
  • FM radio
  • Stereo FM radio
  • RDS - I605 &
Others
  • 480 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A31, Galaxy Note II CDMA.
SpecificationA31Galaxy Note II CDMA
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - S-Voice natural language commands and dictation - Stylus - Versions: Samsung SCH-I605 for Verizon Samsung SCH-R950 for U.S. Cellular Samsung SPH-L900 for Sprint