Oppo A31 vs Samsung Galaxy Star 2 Plus

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

    Galaxy Star 2 Plus: 51 g lighter

    A31:
    180 g
    Galaxy Star 2 Plus:
    129 g
  • Width

    Galaxy Star 2 Plus: 9.6 mm narrower

    A31:
    75.5 mm
    Galaxy Star 2 Plus:
    65.9 mm
  • Screen diagonal

    Galaxy Star 2 Plus: 2.2 in smaller diagonal

    A31:
    6.5 in
    Galaxy Star 2 Plus:
    4.3 in
  • Rear camera layout

    A31:
    Triple
    Galaxy Star 2 Plus:
    Single
  • Depth

    A31: 1.1 mm thinner

    A31:
    8.3 mm
    Galaxy Star 2 Plus:
    9.4 mm
  • Height

    Galaxy Star 2 Plus: 34.2 mm shorter

    A31:
    163.9 mm
    Galaxy Star 2 Plus:
    129.7 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 +34.2 mm versus Galaxy Star 2 Plus
    Width:
    75.5 mm +9.6 mm versus Galaxy Star 2 Plus
    Depth:
    8.3 mm
  2. 2. Galaxy Star 2 Plus

    Height:
    129.7 mm
    Width:
    65.9 mm
    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

    +51 g versus Galaxy Star 2 Plus

  2. 2. Galaxy Star 2 Plus

    129 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 Star 2 Plus

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    52.6 cm²

A31 has approximately 93.8% more rectangular screen area than Galaxy Star 2 Plus.

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 Star 2 Plus, compared at the same storage capacity.
StorageA31Galaxy Star 2 Plus
128 GB 4 GB RAM Unknown
Galaxy Star 2 Plus: Original memory entry

4 GB · 512 MB 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. A31

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

2. Galaxy Star 2 Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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

    +2430 mAh versus Galaxy Star 2 Plus

  2. 2. Galaxy Star 2 Plus

    1800 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 Star 2 Plus

Everyday essentials
Everyday essentials — specifications for A31, Galaxy Star 2 Plus.
SpecificationA31Galaxy Star 2 Plus
Dimensions (HxWxD)
  • 163.9 Х 75.5 Х 8.3 mm
  • 129.7 Х 65.9 Х 9.4 mm
Weight
  • 180 g
  • 129 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.5" inch
  • 4.3" inch
Screen resolution
  • 720 x 1600 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 4GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6765V/CB Helio P35 (12nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A31, Galaxy Star 2 Plus.
SpecificationA31Galaxy Star 2 Plus
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 52.6 cm2
Screen format
  • 20:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 82.4%
  • 61.6%
PPI /points per inch/
  • 270 PPI
  • 217 PPI
Camera and Video
Camera and Video — specifications for A31, Galaxy Star 2 Plus.
SpecificationA31Galaxy Star 2 Plus
Rear camera, main
  • 12 MP
  • Triple
  • 3.15 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)
  • 3.15 MP
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 320p
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for A31, Galaxy Star 2 Plus.
SpecificationA31Galaxy Star 2 Plus
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8320
Unknown
Antutu 7 score * Unknown
  • 6973
Antutu 8 score *
  • 105221
Unknown
General specs
General specs — specifications for A31, Galaxy Star 2 Plus.
SpecificationA31Galaxy Star 2 Plus
Release date
  • 2020
  • February 13
  • 2014
  • July
Colors
  • Fantasy White
  • Mystery Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 90 EUR
Battery life Unknown
  • Talking time- Up to 17 h Music play - Up to 32 h
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A31, Galaxy Star 2 Plus.
SpecificationA31Galaxy Star 2 Plus
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Micro-SIM)Dual SIM (Micro-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 (unspecified)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
Unknown
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
  • BDS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.75 W/kg (head) 1.12 W/kg (body) SAR EU - 0.48 W/kg (head) 0.49 W/kg (body)
Music and Audio
Music and Audio — specifications for A31, Galaxy Star 2 Plus.
SpecificationA31Galaxy Star 2 Plus
Radio
  • FM radio
  • FM radio
Others
  • 480 nits typ. brightness
Unknown
Other features
Other features — specifications for A31, Galaxy Star 2 Plus.
SpecificationA31Galaxy Star 2 Plus
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer Also known as Samsung Galaxy Star Advance