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BLU Studio X8 HD 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.

    • Display technology

      OLED versus LCD

      Studio X8 HD:
      LCD
      Galaxy A51:
      OLED

    • Weight

      Studio X8 HD: 28 g lighter

      Studio X8 HD:
      144 g
      Galaxy A51:
      172 g

    • Screen diagonal

      Studio X8 HD: 1.5 in smaller diagonal

      Studio X8 HD:
      5 in
      Galaxy A51:
      6.5 in

    • Rear camera layout

      Studio X8 HD:
      Single
      Galaxy A51:
      Quad

    • Depth

      Galaxy A51: 2 mm thinner

      Studio X8 HD:
      9.9 mm
      Galaxy A51:
      7.9 mm

    • Height

      Studio X8 HD: 12.5 mm shorter

      Studio X8 HD:
      146 mm
      Galaxy A51:
      158.5 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. Studio X8 HD

      Height:
      146 mm
      Width:
      73.6 mm
      Depth:
      9.9 mm +2 mm versus Galaxy A51

    2. 2. Galaxy A51

      Height:
      158.5 mm +12.5 mm versus Studio X8 HD
      Width:
      73.6 mm
      Depth:
      7.9 mm

    Weight

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

    1. 1. Studio X8 HD

      144 g

    2. 2. Galaxy A51

      172 g

      +28 g versus Studio X8 HD

    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. Studio X8 HD

      Screen diagonal:
      5 in
      Aspect ratio (height:width):
      16:9
      Approximate rectangular screen area:
      68.9 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 48% more rectangular screen area than Studio X8 HD.

    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 Studio X8 HD, Galaxy A51, compared at the same storage capacity.
    StorageStudio X8 HDGalaxy A51
    64 GB Unknown 4 GB RAM
    128 GB Unknown 4 / 6 / 8 GB RAM Alternative RAM configurations
    Studio X8 HD: Original memory entry

    4 GB · 512 MB 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. Studio X8 HD

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

    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. Studio X8 HD

      2000 mAh

    2. 2. Galaxy A51

      4000 mAh

      +2000 mAh versus Studio X8 HD

    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. Studio X8 HD2. Galaxy A51

    Everyday essentials
    Everyday essentials — specifications for Studio X8 HD, Galaxy A51.
    SpecificationStudio X8 HDGalaxy A51
    Dimensions (HxWxD)
    • 146 Х 73.6 Х 9.9 mm
    • 158.5 Х 73.6 Х 7.9 mm
    Weight
    • 144 g
    • 172 g
    Technology
    • IPS LCD
    • Super AMOLED
    Screen size
    • 5" inch
    • 6.5" 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.
    • 4 GB
    • 512 MB RAM
    • 64GB 4GB RAM
    • 128GB 4GB RAM
    • 128GB 6GB RAM
    • 128GB 8GB RAM
    Memory card support
    • microSD
    • up to 64 GB
    • microSD
    • up to 1 TB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 2000 mAh
    • Removable Li-Ion
    • 4000 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 5.1 (Lollipop)
    • Android 10.0; One UI 2
    Chipset Unknown
    • Exynos 9611 (10nm)
    NFC Unknown
    • Yes
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Studio X8 HD, Galaxy A51.
    SpecificationStudio X8 HDGalaxy A51
    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
    • 64.1%
    • 87.4%
    PPI /points per inch/
    • 294 PPI
    • 405 PPI
    Screen protection Unknown
    • Corning Gorilla Glass 3
    Camera and Video
    Camera and Video — specifications for Studio X8 HD, Galaxy A51.
    SpecificationStudio X8 HDGalaxy A51
    Rear camera, main
    • 5 MP
    • Single
    • 48 MP
    • Quad
    Camera specs
    • 5 MP
    • 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
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 5 MP
    • Single
    • 32 MP
    • Single
    Specifications
    • 5 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 Studio X8 HD, Galaxy A51.
    SpecificationStudio X8 HDGalaxy A51
    Processor CPU
    • Octa-core 1.4 GHz Cortex-A7
    • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
    Graphics processor GPU
    • Mali-450
    • Mali-G72 MP3
    Antutu 7 score * Unknown
    • 155326
    GeekBench 4 Single Core *
    • 364
    		 Unknown
    GeekBench 4 Multi-Core *
    • 1981
    		 Unknown
    Antutu 8 score * Unknown
    • 186846
    GeekBench 5 Single Core * Unknown
    • 322
    GeekBench 5 Multi-Core * Unknown
    • 1212
    General specs
    General specs — specifications for Studio X8 HD, Galaxy A51.
    SpecificationStudio X8 HDGalaxy A51
    Release date
    • 2016
    • May
    • 2019
    • December
    Colors
    • Black
    • White
    • Prism Crush Black
    • White
    • Blue
    • Pink
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
    • $280
    Battery life
    • Stand by time- Up to 450 h Talking time- Up to 58 h
    • Talking time- Up to 32 h (3G) Music play - Up to 87 h
    Body build Unknown
    • Glass front (Gorilla Glass 3)
    • plastic back
    • plastic frame
    Communication and Connectivity
    Communication and Connectivity — specifications for Studio X8 HD, Galaxy A51.
    SpecificationStudio X8 HDGalaxy A51
    SIM card
    • Dual SIM (Micro-SIM
    • dual stand-by)
    • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
    • dual stand-by)
    Network Unknown
    • 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 Unknown
    • HSPA
    • LTE-A
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 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
    • Yes
    • with A-GPS
    • GLONASS
    • GALILEO
    • BDS
    USB
    • microUSB 2.0
    • 2.0
    • Type-C 1.0 reversible connector
    • USB On-The-Go
    Bluetooth
    • 4.0
    • A2DP
    • 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 Studio X8 HD, Galaxy A51.
    SpecificationStudio X8 HDGalaxy A51
    Radio
    • Stereo FM radio
    • FM radio
    Others Unknown
    • Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for Studio X8 HD, Galaxy A51.
    SpecificationStudio X8 HDGalaxy A51
    Dop
    • Sensors Accelerometer
    • 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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