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Nokia 3650 vs Oppo A31

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    3650: 50 g lighter

    3650:
    130 g
    A31:
    180 g
  • Width

    3650: 18.5 mm narrower

    3650:
    57 mm
    A31:
    75.5 mm
  • Screen diagonal

    3650: 4.4 in smaller diagonal

    3650:
    2.1 in
    A31:
    6.5 in
  • Rear camera layout

    3650:
    Single
    A31:
    Triple
  • Depth

    A31: 17.7 mm thinner

    3650:
    26 mm
    A31:
    8.3 mm
  • Height

    3650: 33.9 mm shorter

    3650:
    130 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.

  1. 1. 3650

    Height:
    130 mm
    Width:
    57 mm
    Depth:
    26 mm +17.7 mm versus A31
  2. 2. A31

    Height:
    163.9 mm +33.9 mm versus 3650
    Width:
    75.5 mm +18.5 mm versus 3650
    Depth:
    8.3 mm

Weight

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

  1. 1. 3650

    130 g

  2. 2. A31

    180 g

    +50 g versus 3650

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. 3650

    3650: 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 3650, A31, compared at the same storage capacity.
Storage3650A31
128 GB Unknown 4 GB RAM
3650: Original memory entry

4 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. 3650

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC

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. 3650

    850 mAh

  2. 2. A31

    4230 mAh

    +3380 mAh versus 3650

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. 36502. A31

Everyday essentials
Everyday essentials — specifications for 3650, A31.
Specification3650A31
Dimensions (HxWxD)
  • 130 Х 57 Х 26 mm
  • 163.9 Х 75.5 Х 8.3 mm
Weight
  • 130 g
  • 180 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.1" inch
  • 6.5" inch
Screen resolution
  • 176 x 208 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 MB
  • 128GB 4GB RAM
Memory card support
  • MMC
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 850 mAh
  • Removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian 6.1
  • Series 60 v1.0 UI
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6765V/CB Helio P35 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for 3650, A31.
Specification3650A31
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 4096
  • 16M
Screen area
  • 14.0 cm2
  • 102.0 cm2
Screen format Unknown
  • 20:9 (height:width)
Screen to body ratio
  • 18.9%
  • 82.4%
PPI /points per inch/
  • 0 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for 3650, A31.
Specification3650A31
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 MP,
  • 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 3650, A31.
Specification3650A31
Processor CPU
  • 104 MHz ARM 9
  • 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 3650, A31.
Specification3650A31
Release date
  • 2003
  • Q1
  • 2020
  • February 13
Colors
  • Dark Blue
  • Grey and Yellow
  • 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 150 - 200 h Talking time- up to 2 h - 4 h
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for 3650, A31.
Specification3650A31
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 4
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • BDS
USB Unknown
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 1.1
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.55 W/kg (head) 0.83 W/kg (body) SAR EU - 0.72 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for 3650, A31.
Specification3650A31
Radio
  • No
  • FM radio
Others
  • 5-way scroll key -Wallpapers
  • 480 nits typ. brightness
Other features
Other features — specifications for 3650, A31.
Specification3650A31
Dop
  • Infrared port - Predictive text input -Calculator -Voice dial -Voice record -Xpress-on covers
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass