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Nokia N97 vs Oppo A31

Compare recorded specifications, size and practical differences.

Nokia N97

Nokia N97

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Oppo A31

Oppo A31

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Remove 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.

  • Weight

    N97: 30 g lighter

    N97:
    150 g
    A31:
    180 g
  • Width

    N97: 20.2 mm narrower

    N97:
    55.3 mm
    A31:
    75.5 mm
  • Screen diagonal

    N97: 3 in smaller diagonal

    N97:
    3.5 in
    A31:
    6.5 in
  • Rear camera layout

    N97:
    Single
    A31:
    Triple
  • Depth

    A31: 7.6 mm thinner

    N97:
    15.9 mm
    A31:
    8.3 mm
  • Height

    N97: 46.7 mm shorter

    N97:
    117.2 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. N97

    Height:
    117.2 mm
    Width:
    55.3 mm
    Depth:
    15.9 mm +7.6 mm versus A31
  2. 2. A31

    Height:
    163.9 mm +46.7 mm versus N97
    Width:
    75.5 mm +20.2 mm versus N97
    Depth:
    8.3 mm

Weight

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

  1. 1. N97

    150 g

  2. 2. A31

    180 g

    +30 g versus N97

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. N97

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    33.8 cm²
  2. 2. A31

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²

A31 has approximately 202.1% more rectangular screen area than N97.

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 N97, A31, compared at the same storage capacity.
StorageN97A31
128 GB Unknown 4 GB RAM
N97: Original memory entry

32 GB · 128 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. N97

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

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. N97

    1500 mAh

  2. 2. A31

    4230 mAh

    +2730 mAh versus N97

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. N972. A31

Everyday essentials
Everyday essentials — specifications for N97, A31.
SpecificationN97A31
Dimensions (HxWxD)
  • 117.2 Х 55.3 Х 15.9 mm
  • 163.9 Х 75.5 Х 8.3 mm
Weight
  • 150 g
  • 180 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.5" inch
Screen resolution
  • 360 x 640 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 128 MB RAM
  • 128GB 4GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Po
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian 9.4
  • Series 60 rel. 5
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6765V/CB Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for N97, A31.
SpecificationN97A31
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 33.8 cm2
  • 102.0 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 52.1%
  • 82.4%
PPI /points per inch/
  • 210 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for N97, A31.
SpecificationN97A31
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Triple
Camera specs
  • 5 MP
  • AF
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
Functions
  • Carl Zeiss optics
  • LED flash
  • video light
  • HDR
Video
  • VGA@15fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.0
Performance
Performance — specifications for N97, A31.
SpecificationN97A31
Processor CPU
  • 434 MHz ARM 11
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU Unknown
  • PowerVR GE8320
Antutu 8 score Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 105221
General specs
General specs — specifications for N97, A31.
SpecificationN97A31
Release date
  • 2008
  • November
  • 2020
  • February 13
Colors
  • White
  • Black
  • Fantasy White
  • Mystery Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 180 EUR
Battery life
  • Stand by time- Up to 432 h (2G) / 408 h (3G) Talking time- Up to 9 h 30 min (2G) / Up to 6 h (3G) Music play - Up to 40 h
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for N97, A31.
SpecificationN97A31
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 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
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 32
  • Yes
Edge
  • Class 32
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • UPnP technology
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS; Nokia Maps
  • Yes
  • with A-GPS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.90 W/kg (head) 1.25 W/kg (body) SAR EU - 0.67 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for N97, A31.
SpecificationN97A31
Radio
  • Stereo FM radio
  • RDS; FM trans
  • FM radio
Others
  • Handwriting recognition
  • 480 nits typ. brightness
Other features
Other features — specifications for N97, A31.
SpecificationN97A31
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass