LG G3 Screen vs Samsung Galaxy A21

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    G3 Screen:
    LCD
    Galaxy A21:
    OLED
  • Screen diagonal

    G3 Screen: 0.6 in smaller diagonal

    G3 Screen:
    5.9 in
    Galaxy A21:
    6.5 in
  • Memory variants

    At 32 GB storage

    G3 Screen:
    2 GB RAM
    Galaxy A21:
    3 GB RAM
  • Rear camera layout

    G3 Screen:
    Single
    Galaxy A21:
    Quad
  • Release year

    G3 Screen:
    2014
    Galaxy A21:
    2020

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. G3 Screen

    Height:
    157.8 mm
    Width:
    81.8 mm
    Depth:
    9.5 mm
    Weight:
    182 g
  2. 2. Galaxy A21

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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. G3 Screen

    Screen diagonal:
    5.9 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    96 cm²
  2. 2. Galaxy A21

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

Galaxy A21 has approximately 6.3% more rectangular screen area than G3 Screen.

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 G3 Screen, Galaxy A21, compared at the same storage capacity.
StorageG3 ScreenGalaxy A21
32 GB Recorded for all phones 2 GB RAM 3 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. G3 Screen

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Galaxy A21

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. G3 Screen

    3000 mAh

  2. 2. Galaxy A21

    4000 mAh

    +1000 mAh versus G3 Screen

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. G3 Screen2. Galaxy A21

Everyday essentials
Everyday essentials — specifications for G3 Screen, Galaxy A21.
SpecificationG3 ScreenGalaxy A21
Dimensions (HxWxD)
  • 157.8 Х 81.8 Х 9.5 mm
  • Х Х mm
Weight
  • 182 g
  • 0 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.9" inch
  • 6.5" inch
Screen resolution
  • 1080 x 1920 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
  • 2 GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.4 (KitKat)
  • Android 10.0; One UI 2.0
Chipset
  • LG Nuclun
Unknown
NFC
  • Yes
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for G3 Screen, Galaxy A21.
SpecificationG3 ScreenGalaxy A21
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 96.0 cm2
  • 102.0 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 74.3%
Unknown
PPI /points per inch/
  • 373 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for G3 Screen, Galaxy A21.
SpecificationG3 ScreenGalaxy A21
Rear camera, main
  • 13 MP
  • Single
  • 16 MP
  • Quad
Camera specs
  • 13 MP
  • 1/3''
  • OIS
  • AF
  • 16 MP
  • (wide)
  • AF -8 MP
  • (ultrawide) -2 MP
  • (macro) -2 MP
  • (depth)
Functions
  • Dual-LED flash
  • panorama
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 2.1 MP
  • 13 MP
  • (wide)
Performance
Performance — specifications for G3 Screen, Galaxy A21.
SpecificationG3 ScreenGalaxy A21
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A15 4x1.2 GHz Cortex-A7)
Unknown
General specs
General specs — specifications for G3 Screen, Galaxy A21.
SpecificationG3 ScreenGalaxy A21
Release date
  • 2014
  • October
  • 2020
  • April 8
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 640 h (3G) Talking time- Up to 13 h (3G)
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for G3 Screen, Galaxy A21.
SpecificationG3 ScreenGalaxy A21
SIM card
  • Micro-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Yes
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for G3 Screen, Galaxy A21.
SpecificationG3 ScreenGalaxy A21
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for G3 Screen, Galaxy A21.
SpecificationG3 ScreenGalaxy A21
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as LG F490
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast charging 15W - Preliminary specifications