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Infinix Smart3 Plus vs Samsung Galaxy A51 5G

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

      Smart3 Plus:
      LCD
      Galaxy A51 5G:
      OLED

    • Weight

      Smart3 Plus: 39 g lighter

      Smart3 Plus:
      148 g
      Galaxy A51 5G:
      187 g

    • Width

      Galaxy A51 5G: 2.4 mm narrower

      Smart3 Plus:
      76 mm
      Galaxy A51 5G:
      73.6 mm

    • Screen diagonal

      Smart3 Plus: 0.3 in smaller diagonal

      Smart3 Plus:
      6.2 in
      Galaxy A51 5G:
      6.5 in

    • Chipset

      Smart3 Plus:
      Mediatek MT6761 Helio A22 (12 nm)
      Galaxy A51 5G:
      Exynos 980 (8 nm)

    • Rear camera layout

      Smart3 Plus:
      Triple
      Galaxy A51 5G:
      Quad

    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. Smart3 Plus

      Height:
      157 mm
      Width:
      76 mm +2.4 mm versus Galaxy A51 5G
      Depth:
      7.8 mm

    2. 2. Galaxy A51 5G

      Height:
      158.9 mm
      Width:
      73.6 mm
      Depth:
      8.7 mm +0.9 mm versus Smart3 Plus

    Weight

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

    1. 1. Smart3 Plus

      148 g

    2. 2. Galaxy A51 5G

      187 g

      +39 g versus Smart3 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. Smart3 Plus

      Screen diagonal:
      6.2 in
      Aspect ratio (height:width):
      19:9
      Approximate rectangular screen area:
      95.9 cm²

    2. 2. Galaxy A51 5G

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

    Galaxy A51 5G has approximately 6.3% more rectangular screen area than Smart3 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 Smart3 Plus, Galaxy A51 5G, compared at the same storage capacity.
    StorageSmart3 PlusGalaxy A51 5G
    128 GB Unknown 6 / 8 GB RAM Alternative RAM configurations
    Smart3 Plus: Original memory entry

    32 GB · 2/3 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. Smart3 Plus

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD

    2. Galaxy A51 5G

    NFC:
    Yes
    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. Smart3 Plus

      3500 mAh

    2. 2. Galaxy A51 5G

      4500 mAh

      +1000 mAh versus Smart3 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. Smart3 Plus2. Galaxy A51 5G

    Everyday essentials
    Everyday essentials — specifications for Smart3 Plus, Galaxy A51 5G.
    SpecificationSmart3 PlusGalaxy A51 5G
    Dimensions (HxWxD)
    • 157 Х 76 Х 7.8 mm
    • 158.9 Х 73.6 Х 8.7 mm
    Weight
    • 148 g
    • 187 g
    Technology
    • LTPS IPS LCD
    • Super AMOLED
    Screen size
    • 6.2" inch
    • 6.5" inch
    Screen resolution
    • 720 x 1520 px
    • 1080 x 2400 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32 GB
    • 2/3 GB RAM
    • 128GB 6GB RAM
    • 128GB 8GB RAM
    Memory card support
    • microSD
    • microSDXC (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3500 mAh
    • Non-removable Li-Po
    • 4500 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 9.0 (Pie)
    • Android 10.0; One UI 2
    Chipset
    • Mediatek MT6761 Helio A22 (12 nm)
    • Exynos 980 (8 nm)
    NFC Unknown
    • Yes
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Smart3 Plus, Galaxy A51 5G.
    SpecificationSmart3 PlusGalaxy A51 5G
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 97.4 cm2
    • 102.0 cm2
    Screen format
    • 19:9 (height:width)
    • 20:9 (height:width)
    Screen to body ratio
    • 81.6%
    • 87.2%
    PPI /points per inch/
    • 269 PPI
    • 405 PPI
    Screen protection Unknown
    • Corning Gorilla Glass 3
    Camera and Video
    Camera and Video — specifications for Smart3 Plus, Galaxy A51 5G.
    SpecificationSmart3 PlusGalaxy A51 5G
    Rear camera, main
    • 13 MP
    • Triple
    • 48 MP
    • Quad
    Camera specs
    • 13 MP
    • f/1.8
    • PDAF -2 MP -QVGA
    • 48 MP
    • f/2.0
    • 26mm (wide)
    • 1/2.0''
    • 0.8µm
    • PDAF -12 MP
    • f/2.2
    • 12mm (ultrawide) -5 MP
    • f/2.4
    • 25mm (macro)
    • 1/5.0''
    • 1.12µm -5 MP
    • (depth)
    Functions
    • Dual-LED flash
    • HDR
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 8 MP
    • Single
    • 32 MP
    • Single
    Specifications
    • 8 MP
    • 32 MP
    • f/2.2
    • 26mm (wide)
    • 1/2.8''
    • 0.8µm
    Performance

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

    Performance — specifications for Smart3 Plus, Galaxy A51 5G.
    SpecificationSmart3 PlusGalaxy A51 5G
    Processor CPU
    • Quad-core 2.0 GHz Cortex-A53
    • Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
    Graphics processor GPU
    • PowerVR GE8320
    • Mali-G76 MP5
    Antutu 7 score *
    • 56322
    		 Unknown
    General specs
    General specs — specifications for Smart3 Plus, Galaxy A51 5G.
    SpecificationSmart3 PlusGalaxy A51 5G
    Release date
    • 2019
    • April
    • 2020
    • April 8
    Colors
    • Midnight Black
    • Aqua Blue
    • Cosmic Purple
    • Bordeaux Red
    • Prism Cube Black
    • Prism Cube White
    • Prism Cube Pink
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 7000 INR
    		 Unknown
    Body build Unknown
    • Glass front (Gorilla Glass 3)
    • plastic back
    • plastic frame
    Communication and Connectivity
    Communication and Connectivity — specifications for Smart3 Plus, Galaxy A51 5G.
    SpecificationSmart3 PlusGalaxy A51 5G
    SIM card
    • Dual SIM (Micro-SIM
    • dual stand-by)
    • Single SIM (Nano-SIM)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 / 2100 -4G - LTE
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 4(1700/2100)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 12(700)
    • 13(700)
    • 17(700)
    • 20(800)
    • 26(850)
    • 28(700)
    • 38(2600)
    • 40(2300)
    • 41(2500)
    • 66(1700/2100) -5G - 5G SA/NSA
    Speed
    • HSPA 21.1/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    • HSPA
    • LTE-A
    • 5G
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    • GLONASS
    • GALILEO
    • BDS
    USB
    • microUSB 2.0
    • USB On-The-Go
    • 2.0
    • Type-C 1.0 reversible connector
    • USB On-The-Go
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • 5.0
    • A2DP
    • LE
    Music and Audio
    Music and Audio — specifications for Smart3 Plus, Galaxy A51 5G.
    SpecificationSmart3 PlusGalaxy A51 5G
    Radio
    • FM radio
    • FM radio
    Other features
    Other features — specifications for Smart3 Plus, Galaxy A51 5G.
    SpecificationSmart3 PlusGalaxy A51 5G
    Dop
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • proximity
    • compass
    • Sensors Fingerprint (under display
    • optical)
    • accelerometer
    • gyro
    • proximity
    • compass - ANT+ - Fast charging 15W - Versions: SM-A516F/DSN (Global)

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