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HTC U12 life vs Samsung Galaxy A51

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.

    • Width

      Galaxy A51: 1.8 mm narrower

      U12 life:
      75.4 mm
      Galaxy A51:
      73.6 mm

    • Screen diagonal

      U12 life: 0.5 in smaller diagonal

      U12 life:
      6 in
      Galaxy A51:
      6.5 in

    • Chipset

      U12 life:
      Qualcomm SDM636 Snapdragon 636 (14 nm)
      Galaxy A51:
      Exynos 9611 (10nm)

    • Rear camera layout

      U12 life:
      Dual
      Galaxy A51:
      Quad

    • Release year

      U12 life:
      2018
      Galaxy A51:
      2019

    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. U12 life

      Height:
      158.5 mm
      Width:
      75.4 mm +1.8 mm versus Galaxy A51
      Depth:
      8.3 mm

    2. 2. Galaxy A51

      Height:
      158.5 mm
      Width:
      73.6 mm
      Depth:
      7.9 mm

    Weight

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

    1. 1. U12 life

      175 g

      +3 g versus Galaxy A51

    2. 2. Galaxy A51

      172 g

    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. U12 life

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

    2. 2. Galaxy A51

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

    Galaxy A51 has approximately 9.8% more rectangular screen area than U12 life.

    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 U12 life, Galaxy A51, compared at the same storage capacity.
    StorageU12 lifeGalaxy A51
    64 GB Unknown 4 GB RAM
    128 GB Unknown 4 / 6 / 8 GB RAM Alternative RAM configurations
    U12 life: Original memory entry

    128 GB · 6 GB RAM 64 GB · 512GB 4GB

    Practical features

    Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

    1. U12 life

    NFC:
    Yes
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 512 GB (uses SIM 2 slot)

    2. Galaxy A51

    NFC:
    Yes
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 1 TB (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. U12 life

      3600 mAh

    2. 2. Galaxy A51

      4000 mAh

      +400 mAh versus U12 life

    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. U12 life2. Galaxy A51

    Everyday essentials
    Everyday essentials — specifications for U12 life, Galaxy A51.
    SpecificationU12 lifeGalaxy A51
    Dimensions (HxWxD)
    • 158.5 Х 75.4 Х 8.3 mm
    • 158.5 Х 73.6 Х 7.9 mm
    Weight
    • 175 g
    • 172 g
    Technology Unknown
    • Super AMOLED
    Screen size
    • 6" inch
    • 6.5" inch
    Screen resolution
    • 1080 x 2160 px
    • 1080 x 2400 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 128 GB
    • 6 GB RAM 64 GB
    • 512GB 4GB
    • 64GB 4GB RAM
    • 128GB 4GB RAM
    • 128GB 6GB RAM
    • 128GB 8GB RAM
    Memory card support
    • microSD
    • up to 512 GB (uses SIM 2 slot)
    • microSD
    • up to 1 TB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3600 mAh
    • Non-removable Li-Ion
    • 4000 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 8.1 (Oreo)
    • Android 10.0; One UI 2
    Chipset
    • Qualcomm SDM636 Snapdragon 636 (14 nm)
    • Exynos 9611 (10nm)
    NFC
    • Yes
    • Yes
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for U12 life, Galaxy A51.
    SpecificationU12 lifeGalaxy A51
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 92.9 cm2
    • 102.0 cm2
    Screen format
    • 18:9 (height:width)
    • 20:9 (height:width)
    Screen to body ratio
    • 77.7%
    • 87.4%
    PPI /points per inch/
    • 402 PPI
    • 405 PPI
    Screen protection Unknown
    • Corning Gorilla Glass 3
    Camera and Video
    Camera and Video — specifications for U12 life, Galaxy A51.
    SpecificationU12 lifeGalaxy A51
    Rear camera, main
    • 16 MP
    • Dual
    • 48 MP
    • Quad
    Camera specs
    • 16 MP
    • f/2.0
    • PDAF -5 MP
    • depth sensor
    • 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
    • 1.12µm
    • depth sensor
    Functions
    • LED flash
    • HDR
    • panorama
    • HDR
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 13 MP
    • Single
    • 32 MP
    • Single
    Specifications
    • 13 MP
    • f/2.0
    • 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 U12 life, Galaxy A51.
    SpecificationU12 lifeGalaxy A51
    Processor CPU
    • Octa-core 1.8 GHz Kryo 260
    • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
    Graphics processor GPU
    • Adreno 509
    • Mali-G72 MP3
    Antutu 7 score *
    • 115437
    • 155326
    GeekBench 4 Single Core *
    • 1350
    		 Unknown
    GeekBench 4 Multi-Core *
    • 4989
    		 Unknown
    Antutu 8 score * Unknown
    • 186846
    GeekBench 5 Single Core * Unknown
    • 322
    GeekBench 5 Multi-Core * Unknown
    • 1212
    General specs
    General specs — specifications for U12 life, Galaxy A51.
    SpecificationU12 lifeGalaxy A51
    Release date
    • 2018
    • August
    • 2019
    • December
    Colors
    • Moonlight Blue
    • Twilight Purple
    • Prism Crush Black
    • White
    • Blue
    • Pink
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 300 EUR
    • $280
    Battery life Unknown
    • Talking time- Up to 32 h (3G) Music play - Up to 87 h
    Body build
    • plastic body
    • Glass front (Gorilla Glass 3)
    • plastic back
    • plastic frame
    Communication and Connectivity
    Communication and Connectivity — specifications for U12 life, Galaxy A51.
    SpecificationU12 lifeGalaxy A51
    SIM card
    • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-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 (dual-SIM only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 4(1700/2100)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 12(700)
    • 17(700)
    • 20(800)
    • 28(700)
    • 32(1500)
    • 38(2600)
    • 40(2300)
    • 66(1700/2100)
    • 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 (unspecified)
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE-A (3CA) Cat11 600/75 Mbps
    • HSPA
    • LTE-A
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • WiFi Direct
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • Yes
    • with A-GPS
    • GLONASS
    • GALILEO
    • BDS
    USB
    • 2.0
    • Type-C 1.0 reversible connector
    • 2.0
    • Type-C 1.0 reversible connector
    • USB On-The-Go
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • 5.0
    • A2DP
    • LE
    Harmful irradiation Unknown
    • SAR - 0.80 W/kg (head) 0.67 W/kg (body) SAR EU - 0.37 W/kg (head) 1.59 W/kg (body)
    Music and Audio
    Music and Audio — specifications for U12 life, Galaxy A51.
    SpecificationU12 lifeGalaxy A51
    Radio
    • No
    • FM radio
    Others
    • Active noise cancellation with dedicated mic
    • Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for U12 life, Galaxy A51.
    SpecificationU12 lifeGalaxy A51
    Dop
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Charging 5V/2A 10W
    • Sensors Fingerprint (under display
    • optical)
    • accelerometer
    • gyro
    • proximity
    • compass - ANT+ - Fast battery charging 15W - Versions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia)

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