Nokia E51 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

    E51: 85 g lighter

    E51:
    100 g
    Galaxy A31:
    185 g
  • Width

    E51: 27.1 mm narrower

    E51:
    46 mm
    Galaxy A31:
    73.1 mm
  • Screen diagonal

    E51: 4.4 in smaller diagonal

    E51:
    2 in
    Galaxy A31:
    6.4 in
  • Rear camera layout

    E51:
    Single
    Galaxy A31:
    Quad
  • Depth

    Galaxy A31: 3.4 mm thinner

    E51:
    12 mm
    Galaxy A31:
    8.6 mm
  • Height

    E51: 44.5 mm shorter

    E51:
    114.8 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. E51

    Height:
    114.8 mm
    Width:
    46 mm
    Depth:
    12 mm +3.4 mm versus Galaxy A31
  2. 2. Galaxy A31

    Height:
    159.3 mm +44.5 mm versus E51
    Width:
    73.1 mm +27.1 mm versus E51
    Depth:
    8.6 mm

Weight

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

  1. 1. E51

    100 g

  2. 2. Galaxy A31

    185 g

    +85 g versus E51

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. E51

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 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 698.3% more rectangular screen area than E51.

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 E51, Galaxy A31, compared at the same storage capacity.
StorageE51Galaxy A31
64 GB Unknown 4 GB RAM
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
E51: Original memory entry

130 MB · 96 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. E51

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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. E51

    1050 mAh

  2. 2. Galaxy A31

    5000 mAh

    +3950 mAh versus E51

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. E512. Galaxy A31

Everyday essentials
Everyday essentials — specifications for E51, Galaxy A31.
SpecificationE51Galaxy A31
Dimensions (HxWxD)
  • 114.8 Х 46 Х 12 mm
  • 159.3 Х 73.1 Х 8.6 mm
Weight
  • 100 g
  • 185 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2" inch
  • 6.4" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 130 MB
  • 96 MB RAM
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB 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.
  • 1050 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 10.0; One UI 2.0
NFC Unknown
  • Yes (market/region dependent)
Headphone jack
  • No
  • Yes
Display
Display — specifications for E51, Galaxy A31.
SpecificationE51Galaxy A31
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 98.9 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 23.5%
  • 84.9%
PPI /points per inch/
  • 200 PPI
  • 411 PPI
Camera and Video
Camera and Video — specifications for E51, Galaxy A31.
SpecificationE51Galaxy A31
Rear camera, main
  • 2 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 2 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 Unknown
  • LED flash
  • panorama
  • HDR
Video
  • 320p@15fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 20 MP
  • Single
Specifications Unknown
  • 20 MP
  • f/2.2
  • (wide)
Performance
Performance — specifications for E51, Galaxy A31.
SpecificationE51Galaxy A31
Processor CPU
  • 369 MHz ARM 11
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
General specs
General specs — specifications for E51, Galaxy A31.
SpecificationE51Galaxy A31
Release date
  • 2007
  • September
  • 2020
  • March 24
Colors
  • Black
  • Silver
  • Prism Crush Black
  • Prism Crush Blue
  • Prism Crush Red
  • Prism Crush White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
Unknown
Battery life
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for E51, Galaxy A31.
SpecificationE51Galaxy 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 3.6/0.384 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 32
  • Yes
Edge
  • Class 32
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • miniUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)
  • SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio — specifications for E51, Galaxy A31.
SpecificationE51Galaxy A31
Radio
  • FM radio
Unknown
Others
  • Five-way scroll key -Downloadable themes
  • 2.5 mm audio jack
Unknown
Other features
Other features — specifications for E51, Galaxy A31.
SpecificationE51Galaxy A31
Dop
  • Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) incl. MS Office 2007 support via free update -Predictive text input -Voice command/memo -Organizer
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W