Nokia C7 vs Samsung Galaxy 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

    C7: 55 g lighter

    C7:
    130 g
    Galaxy A31:
    185 g
  • Width

    C7: 16.3 mm narrower

    C7:
    56.8 mm
    Galaxy A31:
    73.1 mm
  • Screen diagonal

    C7: 2.9 in smaller diagonal

    C7:
    3.5 in
    Galaxy A31:
    6.4 in
  • Rear camera layout

    C7:
    Single
    Galaxy A31:
    Quad
  • Depth

    Galaxy A31: 1.9 mm thinner

    C7:
    10.5 mm
    Galaxy A31:
    8.6 mm
  • Height

    C7: 42 mm shorter

    C7:
    117.3 mm
    Galaxy A31:
    159.3 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. C7

    Height:
    117.3 mm
    Width:
    56.8 mm
    Depth:
    10.5 mm +1.9 mm versus Galaxy A31
  2. 2. Galaxy A31

    Height:
    159.3 mm +42 mm versus C7
    Width:
    73.1 mm +16.3 mm versus C7
    Depth:
    8.6 mm

Weight

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

  1. 1. C7

    130 g

  2. 2. Galaxy A31

    185 g

    +55 g versus C7

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. C7

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

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

Galaxy A31 has approximately 192.8% more rectangular screen area than C7.

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 C7, Galaxy A31, compared at the same storage capacity.
StorageC7Galaxy A31
64 GB Unknown 4 GB RAM
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
C7: Original memory entry

8 GB · 256 MB RAM · 1 GB ROM

Practical features

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

1. C7

NFC:
See details Via software update
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Galaxy A31

NFC:
See details Yes (market/region dependent)
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. C7

    1200 mAh

  2. 2. Galaxy A31

    5000 mAh

    +3800 mAh versus C7

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. C72. Galaxy A31

Everyday essentials
Everyday essentials — specifications for C7, Galaxy A31.
SpecificationC7Galaxy A31
Dimensions (HxWxD)
  • 117.3 Х 56.8 Х 10.5 mm
  • 159.3 Х 73.1 Х 8.6 mm
Weight
  • 130 g
  • 185 g
Technology
  • AMOLED
  • Super AMOLED
Screen size
  • 3.5" inch
  • 6.4" inch
Screen resolution
  • 360 x 640 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 256 MB RAM
  • 1 GB ROM
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian^3
  • upgradable to Nokia Belle OS
  • Android 10.0; One UI 2.0
NFC
  • Via software update
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C7, Galaxy A31.
SpecificationC7Galaxy A31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 33.8 cm2
  • 98.9 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 50.7%
  • 84.9%
PPI /points per inch/
  • 210 PPI
  • 411 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for C7, Galaxy A31.
SpecificationC7Galaxy A31
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 8 MP
  • 48 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -5 MP
  • f/2.4
  • (macro) -5 MP
  • (depth)
Functions
  • Dual-LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p@25fps
  • 720p@30fps (via SW update)
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • VGA
  • 20 MP
  • f/2.2
  • (wide)
Performance
Performance — specifications for C7, Galaxy A31.
SpecificationC7Galaxy A31
Processor CPU
  • 680 MHz ARM 11
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
Graphics processor GPU
  • Broadcom BCM2727
Unknown
General specs
General specs — specifications for C7, Galaxy A31.
SpecificationC7Galaxy A31
Release date
  • 2010
  • September
  • 2020
  • March 24
Colors
  • Charcoal Black
  • Frosty metal
  • Mahogany brown
  • Prism Crush Black
  • Prism Crush Blue
  • Prism Crush Red
  • Prism Crush White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life
  • Stand by time- Up to 552 h (2G) / Up to 648 h (3G) Talking time- Up to 9 h 30 min (2G) / Up to 5 h (3G) Music play - Up to 54 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for C7, Galaxy A31.
SpecificationC7Galaxy A31
SIM card
  • Mini-SIM
  • Single SIM (Nano-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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 10.2/2 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 32
  • Yes
Edge
  • Class 32
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS; Ovi Maps 3.0
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 3.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.03 W/kg (head) 0.83 W/kg (body) SAR EU - 0.73 W/kg (head)
  • SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio — specifications for C7, Galaxy A31.
SpecificationC7Galaxy A31
Radio
  • Stereo FM radio
  • RDS; FM trans
Unknown
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for C7, Galaxy A31.
SpecificationC7Galaxy A31
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Web TV -TV-out -MP3/WMA/WAV/eAAC+ player -DivX/XviD/MP4/H.264/WMV player -Quickoffice document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Adobe Reader -Voice memo/dial/command -Predictive text input
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W