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BLU Studio Mini vs Samsung Galaxy J7 Duo

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 Mini:
      LCD
      Galaxy J7 Duo:
      OLED

    • Weight

      Galaxy J7 Duo: 13 g lighter

      Studio Mini:
      187 g
      Galaxy J7 Duo:
      174 g

    • Width

      Studio Mini: 5.7 mm narrower

      Studio Mini:
      71.5 mm
      Galaxy J7 Duo:
      77.2 mm

    • Rear camera layout

      Studio Mini:
      Single
      Galaxy J7 Duo:
      Dual

    • Depth

      Galaxy J7 Duo: 2.2 mm thinner

      Studio Mini:
      10.4 mm
      Galaxy J7 Duo:
      8.2 mm

    • Height

      Studio Mini: 3 mm shorter

      Studio Mini:
      150.5 mm
      Galaxy J7 Duo:
      153.5 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 Mini

      Height:
      150.5 mm
      Width:
      71.5 mm
      Depth:
      10.4 mm +2.2 mm versus Galaxy J7 Duo

    2. 2. Galaxy J7 Duo

      Height:
      153.5 mm +3 mm versus Studio Mini
      Width:
      77.2 mm +5.7 mm versus Studio Mini
      Depth:
      8.2 mm

    Weight

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

    1. 1. Studio Mini

      187 g

      +13 g versus Galaxy J7 Duo

    2. 2. Galaxy J7 Duo

      174 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. Studio Mini

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

    2. 2. Galaxy J7 Duo

      Screen diagonal:
      5.5 in
      Aspect ratio (height:width):
      16:9
      Approximate rectangular screen area:
      83.4 cm²

    Galaxy J7 Duo has approximately 6.8% more rectangular screen area than Studio Mini.

    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 Mini, Galaxy J7 Duo, compared at the same storage capacity.
    StorageStudio MiniGalaxy J7 Duo
    32 GB 2 GB RAM Unknown
    Galaxy J7 Duo: Original memory entry

    32 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. Studio Mini

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

    2. Galaxy J7 Duo

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 256 GB (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 Mini

      3000 mAh

    2. 2. Galaxy J7 Duo

      3000 mAh

    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 Mini2. Galaxy J7 Duo

    Everyday essentials
    Everyday essentials — specifications for Studio Mini, Galaxy J7 Duo.
    SpecificationStudio MiniGalaxy J7 Duo
    Dimensions (HxWxD)
    • 150.5 Х 71.5 Х 10.4 mm
    • 153.5 Х 77.2 Х 8.2 mm
    Weight
    • 187 g
    • 174 g
    Technology
    • IPS LCD
    • Super AMOLED
    Screen size
    • 5.5" inch
    • 5.5" inch
    Screen resolution
    • 720 x 1440 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32GB 2GB RAM
    • 32 GB
    • 512GB 4GB
    Memory card support
    • microSD
    • up to 64 GB
    • microSD
    • up to 256 GB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3000 mAh
    • Removable Li-Po
    • 3000 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 9.0 (Pie)
    • Android 8.0 (Oreo)
    Chipset Unknown
    • Exynos 7885 Octa (14 nm)
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Studio Mini, Galaxy J7 Duo.
    SpecificationStudio MiniGalaxy J7 Duo
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 78.1 cm2
    • 83.4 cm2
    Screen format
    • 18:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 72.5%
    • 70.4%
    PPI /points per inch/
    • 293 PPI
    • 267 PPI
    Camera and Video
    Camera and Video — specifications for Studio Mini, Galaxy J7 Duo.
    SpecificationStudio MiniGalaxy J7 Duo
    Rear camera, main
    • 13 MP
    • Single
    • 13 MP
    • Dual
    Camera specs
    • 13 MP
    • AF
    • 13 MP
    • f/1.9
    • AF -5 MP
    • depth sensor
    Functions
    • LED flash
    • LED flash
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 8 MP
    • Single
    • 8 MP
    • Single
    Specifications
    • 8 MP
    • 8 MP
    • f/1.9
    Performance
    Performance — specifications for Studio Mini, Galaxy J7 Duo.
    SpecificationStudio MiniGalaxy J7 Duo
    Processor CPU
    • Octa-core 1.6 GHz Cortex-A55
    • Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
    Graphics processor GPU
    • IMG8322
    • Mali-G71
    General specs
    General specs — specifications for Studio Mini, Galaxy J7 Duo.
    SpecificationStudio MiniGalaxy J7 Duo
    Release date
    • 2019
    • September
    • 2018
    • April
    Colors
    • Black
    • Black
    • Gold
    • Rose Gold
    • White
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 80 USD
    • 240 EUR
    Battery life
    • Stand by time- Up to 600 h (2G) / Up to 550 h (3G) Talking time- Up to 21 h (2G) / Up to 16 h (3G)
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for Studio Mini, Galaxy J7 Duo.
    SpecificationStudio MiniGalaxy J7 Duo
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
    • 4(1700/2100)
    • 5(850)
    • 12(700)
    • 17(700)
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 20(800)
    • 38(2600)
    • 40(2300)
    • 41(2500)
    Speed
    • HSPA 42.2/11.5 Mbps
    • LTE Cat4 150/50 Mbps
    • HSPA
    • LTE Cat4 150/50 Mbps
    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
    • WiFi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    USB
    • microUSB 2.0
    • Yes
    Bluetooth
    • 4.1
    • A2DP
    • 4.2
    • A2DP
    • LE
    Music and Audio
    Music and Audio — specifications for Studio Mini, Galaxy J7 Duo.
    SpecificationStudio MiniGalaxy J7 Duo
    Radio
    • FM radio
    • FM radio
    Other features
    Other features — specifications for Studio Mini, Galaxy J7 Duo.
    SpecificationStudio MiniGalaxy J7 Duo
    Dop
    • Sensors Accelerometer
    • proximity
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • proximity - ANT+