LG K20 plus 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.

  • Display technology

    OLED versus LCD

    K20 plus:
    LCD
    Galaxy A31:
    OLED
  • Weight

    K20 plus: 45 g lighter

    K20 plus:
    140 g
    Galaxy A31:
    185 g
  • Width

    Galaxy A31: 2.1 mm narrower

    K20 plus:
    75.2 mm
    Galaxy A31:
    73.1 mm
  • Screen diagonal

    K20 plus: 1.1 in smaller diagonal

    K20 plus:
    5.3 in
    Galaxy A31:
    6.4 in
  • Rear camera layout

    K20 plus:
    Single
    Galaxy A31:
    Quad
  • Depth

    K20 plus: 0.7 mm thinner

    K20 plus:
    7.9 mm
    Galaxy A31:
    8.6 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. K20 plus

    Height:
    148.6 mm
    Width:
    75.2 mm +2.1 mm versus Galaxy A31
    Depth:
    7.9 mm
  2. 2. Galaxy A31

    Height:
    159.3 mm +10.7 mm versus K20 plus
    Width:
    73.1 mm
    Depth:
    8.6 mm +0.7 mm versus K20 plus

Weight

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

  1. 1. K20 plus

    140 g

  2. 2. Galaxy A31

    185 g

    +45 g versus K20 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. K20 plus

    Screen diagonal:
    5.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    77.4 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 27.7% more rectangular screen area than K20 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 K20 plus, Galaxy A31, compared at the same storage capacity.
StorageK20 plusGalaxy A31
64 GB Unknown 4 GB RAM
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
K20 plus: Original memory entry

16 GB(VS501) /32 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. K20 plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. K20 plus

    2700 mAh

  2. 2. Galaxy A31

    5000 mAh

    +2300 mAh versus K20 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. K20 plus2. Galaxy A31

Everyday essentials
Everyday essentials — specifications for K20 plus, Galaxy A31.
SpecificationK20 plusGalaxy A31
Dimensions (HxWxD)
  • 148.6 Х 75.2 Х 7.9 mm
  • 159.3 Х 73.1 Х 8.6 mm
Weight
  • 140 g
  • 185 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.3" inch
  • 6.4" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB(VS501) /32 GB
  • 2 GB RAM
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2700 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 10.0; One UI 2.0
Chipset
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Unknown
NFC Unknown
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K20 plus, Galaxy A31.
SpecificationK20 plusGalaxy A31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 77.4 cm2
  • 98.9 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 69.3%
  • 84.9%
PPI /points per inch/
  • 277 PPI
  • 411 PPI
Screen protection
  • Corning Gorilla Glass 3 (T-Mobile)
Unknown
Camera and Video
Camera and Video — specifications for K20 plus, Galaxy A31.
SpecificationK20 plusGalaxy A31
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • f/2.2
  • 1/3''
  • 1.12µm
  • AF
  • 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
  • LED flash
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 5 MP
  • f/2.4
  • 1/5''
  • 1.12µm
  • 20 MP
  • f/2.2
  • (wide)
Performance

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

Performance — specifications for K20 plus, Galaxy A31.
SpecificationK20 plusGalaxy A31
Processor CPU
  • Quad-core 1.4 GHz Cortex-A53
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
Graphics processor GPU
  • Adreno 308
Unknown
GeekBench 4 Single Core *
  • 595
Unknown
GeekBench 4 Multi-Core *
  • 1607
Unknown
GeekBench 4 RenderScript *
  • 1079
Unknown
General specs
General specs — specifications for K20 plus, Galaxy A31.
SpecificationK20 plusGalaxy A31
Release date
  • 2016
  • December
  • 2020
  • March 24
Colors
  • Black
  • Prism Crush Black
  • Prism Crush Blue
  • Prism Crush Red
  • Prism Crush White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
Unknown
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 31 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K20 plus, Galaxy A31.
SpecificationK20 plusGalaxy A31
SIM card
  • Nano-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 - Verizon -3G - HSDPA 850 / 1700(AWS) / 1900 - T-Mobile & MetroPCS CDMA2000 1xEV-DO - Verizon HSDPA 850 / 900 / 1900 / 2100 - Verizon -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700) - T-Mobile & MetroPCS LTE band 2(1900)
  • 13(700) - Verizon
  • 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 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • S-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio — specifications for K20 plus, Galaxy A31.
SpecificationK20 plusGalaxy A31
Radio
  • No
Unknown
Other features
Other features — specifications for K20 plus, Galaxy A31.
SpecificationK20 plusGalaxy A31
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - For T-Mobile & MetroPCS; K20 V VS501 (Verizon)
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W