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Oppo A31 vs Palm Pre Plus

Compare recorded specifications, size and practical differences.

Oppo A31

Oppo A31

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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.

  • WeightPre Plus: 42 g lighterPre Plus: 138 g · A31: 180 g
  • WidthPre Plus: 16 mm narrowerPre Plus: 59.5 mm · A31: 75.5 mm
  • Screen diagonalPre Plus: 3.4 in smaller diagonalPre Plus: 3.1 in · A31: 6.5 in
  • Rear camera layoutTriple / SingleA31: Triple · Pre Plus: Single
  • DepthA31: 8.6 mm thinnerA31: 8.3 mm · Pre Plus: 16.9 mm
  • HeightPre Plus: 63.4 mm shorterPre Plus: 100.5 mm · A31: 163.9 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.

Front
A31: 163.9 × 75.5 mm 1 Pre Plus: 100.5 × 59.5 mm 2
Side
A31: 163.9 × 8.3 mm 1 Pre Plus: 100.5 × 16.9 mm 2
  1. 1. A31
    Height
    163.9 mm
    Width
    75.5 mm
    Depth
    8.3 mm
    Weight
    180 g
  2. 2. Pre Plus
    Height
    100.5 mm
    Width
    59.5 mm
    Depth
    16.9 mm
    Weight
    138 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials
Everyday essentials
SpecificationA31Pre Plus
Dimensions (HxWxD)
  • 163.9 Х 75.5 Х 8.3 mm
  • 100.5 Х 59.5 Х 16.9 mm
Weight
  • 180 g
  • 138 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.5" inch
  • 3.1" inch
Screen resolution
  • 720 x 1600 px
  • 320 x 480 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 4GB RAM
  • 16 GB
  • 512 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • No
BatteryCapacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Palm webOS 1.3.5
Chipset
  • Mediatek MT6765V/CB Helio P35 (12nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA31Pre Plus
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 28.6 cm2
Screen format
  • 20:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 82.4%
  • 47.9%
PPI /points per inch/
  • 270 PPI
  • 186 PPI
Camera and Video
Camera and Video
SpecificationA31Pre 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
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.0
Unknown
Performance
Performance
SpecificationA31Pre Plus
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • 600 MHz Cortex-A8
Graphics processor GPU
  • PowerVR GE8320
  • PowerVR SGX
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 105221
Unknown
General specs
General specs
SpecificationA31Pre Plus
Release date
  • 2020
  • February 13
  • 2010
  • March
Colors
  • Fantasy White
  • Mystery Black
  • Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 170 EUR
Battery life Unknown
  • Stand by time- Up to 350 h (2G) / - (3G) Talking time- Up to 4 h (2G) / Up to 4 h (3G)
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity
SpecificationA31Pre Plus
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-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
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
  • A2DP
Music and Audio
Music and Audio
SpecificationA31Pre Plus
Radio
  • FM radio
  • No
Others
  • 480 nits typ. brightness
Unknown
Other features
Other features
SpecificationA31Pre Plus
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer Wireless charging

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