Motorola A920 vs Oppo A31

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

    A31: 32 g lighter

    A920:
    212 g
    A31:
    180 g
  • Width

    A920: 15.5 mm narrower

    A920:
    60 mm
    A31:
    75.5 mm
  • Rear camera layout

    A920:
    Single
    A31:
    Triple
  • Depth

    A31: 15.7 mm thinner

    A920:
    24 mm
    A31:
    8.3 mm
  • Height

    A920: 15.9 mm shorter

    A920:
    148 mm
    A31:
    163.9 mm
  • Release year

    A920:
    2003
    A31:
    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. A920

    Height:
    148 mm
    Width:
    60 mm
    Depth:
    24 mm +15.7 mm versus A31
  2. 2. A31

    Height:
    163.9 mm +15.9 mm versus A920
    Width:
    75.5 mm +15.5 mm versus A920
    Depth:
    8.3 mm

Weight

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

  1. 1. A920

    212 g

    +32 g versus A31

  2. 2. A31

    180 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. A920

    A920: Screen geometry unavailable or conflicting.

  2. 2. A31

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 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 A920, A31, compared at the same storage capacity.
StorageA920A31
128 GB Unknown 4 GB RAM
A920: Original memory entry

8 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A920

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD · 32 MB SD included

2. A31

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. A920

    1050 mAh

  2. 2. A31

    4230 mAh

    +3180 mAh versus A920

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. A9202. A31

Everyday essentials
Everyday essentials — specifications for A920, A31.
SpecificationA920A31
Dimensions (HxWxD)
  • 148 Х 60 Х 24 mm
  • 163.9 Х 75.5 Х 8.3 mm
Weight
  • 212 g
  • 180 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 0" inch
  • 6.5" inch
Screen resolution
  • 208 x 320 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 MB
  • 128GB 4GB RAM
Memory card support
  • MMC/SD
  • 32 MB SD included
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Po
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian 7.0
  • UIQ 2.0
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • TI OMAP 1510
  • Mediatek MT6765V/CB Helio P35 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for A920, A31.
SpecificationA920A31
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area Unknown
  • 102.0 cm2
Screen format
  • 3:2 (height:width)
  • 20:9 (height:width)
Screen to body ratio Unknown
  • 82.4%
PPI /points per inch/
  • 0 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for A920, A31.
SpecificationA920A31
Rear camera, main
  • 0.3 MP
  • Single
  • 12 MP
  • Triple
Camera specs Unknown
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for A920, A31.
SpecificationA920A31
Processor CPU
  • 168 MHz ARM925T
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU Unknown
  • PowerVR GE8320
Antutu 8 score * Unknown
  • 105221
General specs
General specs — specifications for A920, A31.
SpecificationA920A31
Release date
  • 2003
  • 2020
  • February 13
Colors Unknown
  • Fantasy White
  • Mystery Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 180 EUR
Battery life
  • Stand by time- Up to 160 h Talking time- Up to 2 h
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for A920, A31.
SpecificationA920A31
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed
  • Yes
  • 384 kbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • BDS
USB
  • Proprietary
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A920, A31.
SpecificationA920A31
Radio
  • No
  • FM radio
Others
  • MIDI
  • AMR ringtones
  • 480 nits typ. brightness
Other features
Other features — specifications for A920, A31.
SpecificationA920A31
Dop
  • MP3/MP4 player -Predictive text input -Organizer -Sync ML -Voice memo
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass