Nokia 3.1 Plus vs Samsung Galaxy M21

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.

  • Display technology

    OLED versus LCD

    3.1 Plus:
    LCD
    Galaxy M21:
    OLED
  • Weight

    3.1 Plus: 8 g lighter

    3.1 Plus:
    180 g
    Galaxy M21:
    188 g
  • Width

    Galaxy M21: 1.3 mm narrower

    3.1 Plus:
    76.4 mm
    Galaxy M21:
    75.1 mm
  • Screen diagonal

    3.1 Plus: 0.4 in smaller diagonal

    3.1 Plus:
    6 in
    Galaxy M21:
    6.4 in
  • Chipset

    3.1 Plus:
    Mediatek MT6762 Helio P22 (12 nm)
    Galaxy M21:
    Exynos 9611 (10nm)
  • Rear camera layout

    3.1 Plus:
    Dual
    Galaxy M21:
    Triple

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. 3.1 Plus

    Height:
    156.9 mm
    Width:
    76.4 mm +1.3 mm versus Galaxy M21
    Depth:
    8.2 mm
  2. 2. Galaxy M21

    Height:
    159 mm +2.1 mm versus 3.1 Plus
    Width:
    75.1 mm
    Depth:
    8.9 mm +0.7 mm versus 3.1 Plus

Weight

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

  1. 1. 3.1 Plus

    180 g

  2. 2. Galaxy M21

    188 g

    +8 g versus 3.1 Plus

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. 3.1 Plus

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. Galaxy M21

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²

Galaxy M21 has approximately 8.2% more rectangular screen area than 3.1 Plus.

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 3.1 Plus, Galaxy M21, compared at the same storage capacity.
Storage3.1 PlusGalaxy M21
64 GB Unknown 4 GB RAM
128 GB Unknown 6 GB RAM
3.1 Plus: Original memory entry

32 GB · 3 RAM 16 GB · 2 GB 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. 3.1 Plus

NFC:
See details Yes (APAC & EMEA only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 400 GB

2. Galaxy M21

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. 3.1 Plus

    3500 mAh

  2. 2. Galaxy M21

    6000 mAh

    +2500 mAh versus 3.1 Plus

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. 3.1 Plus2. Galaxy M21

Everyday essentials
Everyday essentials — specifications for 3.1 Plus, Galaxy M21.
Specification3.1 PlusGalaxy M21
Dimensions (HxWxD)
  • 156.9 Х 76.4 Х 8.2 mm
  • 159 Х 75.1 Х 8.9 mm
Weight
  • 180 g
  • 188 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 6" inch
  • 6.4" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 RAM 16 GB
  • 2 GB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 400 GB
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 6000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • planned upgrade to Android 9.0 (Pie); Android One
  • Android 10.0; One UI 2
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Exynos 9611 (10nm)
NFC
  • Yes (APAC & EMEA only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 3.1 Plus, Galaxy M21.
Specification3.1 PlusGalaxy M21
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 100.5 cm2
Screen format
  • 18:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 77.5%
  • 84.2%
PPI /points per inch/
  • 268 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for 3.1 Plus, Galaxy M21.
Specification3.1 PlusGalaxy M21
Rear camera, main
  • 13 MP
  • Dual
  • 48 MP
  • Triple
Camera specs
  • 13 MP
  • f/2.0
  • AF -5 MP
  • f/2.4
  • depth sensor
  • 48 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 12mm (ultrawide)
  • 1/4.0''
  • 1.12µm -5 MP
  • (depth)
Functions
  • LED flash
  • HDR
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 20 MP
  • f/2.0
  • 26mm (wide)
Performance

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

Performance — specifications for 3.1 Plus, Galaxy M21.
Specification3.1 PlusGalaxy M21
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR GE8320
  • Mali-G72 MP3
Antutu 7 score *
  • 75202
Unknown
Antutu 8 score * Unknown
  • 182451
General specs
General specs — specifications for 3.1 Plus, Galaxy M21.
Specification3.1 PlusGalaxy M21
Release date
  • 2018
  • October
  • 2020
  • March 18
Colors
  • Blue
  • White
  • Gray
  • Midnight Blue
  • Raven Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 160 EUR
Body build
  • Front glass
  • aluminum body
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for 3.1 Plus, Galaxy M21.
Specification3.1 PlusGalaxy M21
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.41 W/kg (head) 1.58 W/kg (body)
  • SAR - 0.47 W/kg (head)
Music and Audio
Music and Audio — specifications for 3.1 Plus, Galaxy M21.
Specification3.1 PlusGalaxy M21
Radio
  • FM radio
  • FM radio
  • RDS
  • recording
Others Unknown
  • 420 nits max brightness
Other features
Other features — specifications for 3.1 Plus, Galaxy M21.
Specification3.1 PlusGalaxy M21
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W