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LG G3 S vs Samsung Galaxy A21

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

      G3 S:
      LCD
      Galaxy A21:
      OLED

    • Screen diagonal

      G3 S: 1.5 in smaller diagonal

      G3 S:
      5 in
      Galaxy A21:
      6.5 in

    • Rear camera layout

      G3 S:
      Single
      Galaxy A21:
      Quad

    • Release year

      G3 S:
      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 S

      Height:
      137.7 mm
      Width:
      69.6 mm
      Depth:
      10.3 mm
      Weight:
      134 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 S

      Screen diagonal:
      5 in
      Aspect ratio (height:width):
      16:9
      Approximate rectangular screen area:
      68.9 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 48% more rectangular screen area than G3 S.

    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 S, Galaxy A21, compared at the same storage capacity.
    StorageG3 SGalaxy A21
    8 GB 1 GB RAM Not recorded
    32 GB Not recorded 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 S

    NFC:
    Yes
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 64 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 S

      2540 mAh

    2. 2. Galaxy A21

      4000 mAh

      +1460 mAh versus G3 S

    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 S2. Galaxy A21

    Everyday essentials
    Everyday essentials — specifications for G3 S, Galaxy A21.
    SpecificationG3 SGalaxy A21
    Dimensions (HxWxD)
    • 137.7 Х 69.6 Х 10.3 mm
    • Х Х mm
    Weight
    • 134 g
    • 0 g
    Technology
    • IPS LCD
    • Super AMOLED
    Screen size
    • 5" inch
    • 6.5" inch
    Screen resolution
    • 720 x 1280 px
    • 720 x 1600 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 8 GB
    • 1 GB RAM
    • 32GB 3GB RAM
    Memory card support
    • microSD
    • up to 64 GB (dedicated slot)
    • microSDXC (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 2540 mAh
    • Removable Li-Ion
    • 4000 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 4.4.2 (KitKat)
    • upgradable to 5.0.2 (Lollipop)
    • Android 10.0; One UI 2.0
    Chipset
    • Qualcomm MSM8926 Snapdragon 400 (28 nm)
    		 Unknown
    NFC
    • Yes
    • Yes (market/region dependent)
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for G3 S, Galaxy A21.
    SpecificationG3 SGalaxy A21
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 68.9 cm2
    • 102.0 cm2
    Screen format
    • 16:9 (height:width)
    • 20:9 (height:width)
    Screen to body ratio
    • 71.9%
    		 Unknown
    PPI /points per inch/
    • 294 PPI
    • 270 PPI
    Screen protection
    • Corning Gorilla Glass 3
    		 Unknown
    Camera and Video
    Camera and Video — specifications for G3 S, Galaxy A21.
    SpecificationG3 SGalaxy A21
    Rear camera, main
    • 8 MP
    • Single
    • 16 MP
    • Quad
    Camera specs
    • 8 MP
    • laser AF
    • 16 MP
    • (wide)
    • AF -8 MP
    • (ultrawide) -2 MP
    • (macro) -2 MP
    • (depth)
    Functions
    • LED flash
    • HDR
    • LED flash
    • panorama
    • HDR
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 1.3 MP
    • Single
    • 13 MP
    • Single
    Specifications
    • 1.3 MP
    • 13 MP
    • (wide)
    Performance

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

    Performance — specifications for G3 S, Galaxy A21.
    SpecificationG3 SGalaxy A21
    Processor CPU
    • Quad-core 1.2 GHz Cortex-A7
    		 Unknown
    Graphics processor GPU
    • Adreno 305
    		 Unknown
    Antutu 7 score *
    • 18321
    		 Unknown
    GeekBench 4 Single Core *
    • 430
    		 Unknown
    GeekBench 4 Multi-Core *
    • 1133
    		 Unknown
    GeekBench 4 RenderScript *
    • 667
    		 Unknown
    General specs
    General specs — specifications for G3 S, Galaxy A21.
    SpecificationG3 SGalaxy A21
    Release date
    • 2014
    • July
    • 2020
    • April 8
    Colors
    • Metallic Black
    • Silk White
    • Shine Gold
    • Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 190 EUR
    • 250 EUR
    Battery life
    • Stand by time- Up to 700 h (2G) / Up to 750 h (3G) Talking time- Up to 16 h (2G) / Up to 15 h (3G)
    		 Unknown
    Body build Unknown
    • Glass front
    • plastic back
    • plastic frame
    Communication and Connectivity
    Communication and Connectivity — specifications for G3 S, Galaxy A21.
    SpecificationG3 SGalaxy 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 850 / 900 / 1900 / 2100 - D722
    • D722K (HK) HSDPA 850 / 900 / 2100 - D722K (India) -4G - LTE band 3(1800)
    • 7(2600)
    • 20(800) - D722 LTE band 1(2100)
    • 3(1800)
    • 8(900)
    • 20(800) - D722 (Italy) LTE 700 / 900 / 1800 / 2100 / 2600 MHz / 2300 - D722K (HK)
    • 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 Cat4 150/50 Mbps
    • HSPA 42.2/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    GPRS
    • Class 12
    • Yes
    Edge
    • Class 12
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n
    • Wi-Fi Direct
    • DLNA
    • 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
    • LE
    • aptX
    • 5.0
    • A2DP
    • LE
    Harmful irradiation
    • SAR - 0.53 W/kg (head) 0.73 W/kg (body) SAR EU - 0.55 W/kg (head) 0.43 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for G3 S, Galaxy A21.
    SpecificationG3 SGalaxy A21
    Radio
    • FM radio
    • RDS
    • FM radio
    Others
    • Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for G3 S, Galaxy A21.
    SpecificationG3 SGalaxy A21
    Dop
    • Sensors Accelerometer
    • proximity
    • compass
    • Infrared port - Also known as LG G3 Beat
    • LG G3 Vigor (AT&T
    • Sprint) Versions: LG D722 for Europe LG D725 for AT&T LG D728 for China LG D722K for Taiwan
    • Hong Kong
    • India LG D724 for CIS
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • proximity
    • compass - Fast charging 15W - Preliminary specifications

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