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Asus Zenfone 4 Pro ZS551KL vs BLU Studio Mini LTE

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

      Zenfone 4 Pro ZS551KL:
      OLED
      Studio Mini LTE:
      LCD

    • Weight

      Studio Mini LTE: 30 g lighter

      Zenfone 4 Pro ZS551KL:
      175 g
      Studio Mini LTE:
      145 g

    • Width

      Studio Mini LTE: 8.2 mm narrower

      Zenfone 4 Pro ZS551KL:
      75.6 mm
      Studio Mini LTE:
      67.4 mm

    • Screen diagonal

      Studio Mini LTE: 1 in smaller diagonal

      Zenfone 4 Pro ZS551KL:
      5.5 in
      Studio Mini LTE:
      4.5 in

    • Chipset

      Zenfone 4 Pro ZS551KL:
      Qualcomm MSM8998 Snapdragon 835 (10 nm)
      Studio Mini LTE:
      Qualcomm MSM8926 Snapdragon 400 (28 nm)

    • Rear camera layout

      Zenfone 4 Pro ZS551KL:
      Dual
      Studio Mini LTE:
      Single

    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. Zenfone 4 Pro ZS551KL

      Height:
      156.9 mm +19.8 mm versus Studio Mini LTE
      Width:
      75.6 mm +8.2 mm versus Studio Mini LTE
      Depth:
      7.6 mm

    2. 2. Studio Mini LTE

      Height:
      137.1 mm
      Width:
      67.4 mm
      Depth:
      10 mm +2.4 mm versus Zenfone 4 Pro ZS551KL

    Weight

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

    1. 1. Zenfone 4 Pro ZS551KL

      175 g

      +30 g versus Studio Mini LTE

    2. 2. Studio Mini LTE

      145 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. Zenfone 4 Pro ZS551KL

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

    2. 2. Studio Mini LTE

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

    Zenfone 4 Pro ZS551KL has approximately 49.4% more rectangular screen area than Studio Mini LTE.

    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 Zenfone 4 Pro ZS551KL, Studio Mini LTE, compared at the same storage capacity.
    StorageZenfone 4 Pro ZS551KLStudio Mini LTE
    4 GB Not recorded 1 GB RAM
    64 GB 6 GB RAM Not recorded
    128 GB 6 GB RAM Not recorded

    Practical features

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

    1. Zenfone 4 Pro ZS551KL

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

    2. Studio Mini LTE

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 32 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. Zenfone 4 Pro ZS551KL

      3600 mAh

      +1750 mAh versus Studio Mini LTE

    2. 2. Studio Mini LTE

      1850 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. Zenfone 4 Pro ZS551KL2. Studio Mini LTE

    Everyday essentials
    Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, Studio Mini LTE.
    SpecificationZenfone 4 Pro ZS551KLStudio Mini LTE
    Dimensions (HxWxD)
    • 156.9 Х 75.6 Х 7.6 mm
    • 137.1 Х 67.4 Х 10 mm
    Weight
    • 175 g
    • 145 g
    Technology
    • AMOLED
    • IPS LCD
    Screen size
    • 5.5" inch
    • 4.5" inch
    Screen resolution
    • 1080 x 1920 px
    • 480 x 854 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 64/128 GB
    • 6 GB RAM
    • 4 GB
    • 1 GB RAM
    Memory card support
    • microSD
    • up to 512 GB (uses SIM 2 slot)
    • microSD
    • up to 32 GB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3600 mAh
    • Non-removable Li-Ion
    • 1850 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 7.1.1 (Nougat)
    • upgradable to Android 8 (Oreo); ZenUI 4
    • Android 4.3 (Jelly Bean)
    Chipset
    • Qualcomm MSM8998 Snapdragon 835 (10 nm)
    • Qualcomm MSM8926 Snapdragon 400 (28 nm)
    NFC
    • Yes
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Zenfone 4 Pro ZS551KL, Studio Mini LTE.
    SpecificationZenfone 4 Pro ZS551KLStudio Mini LTE
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 83.4 cm2
    • 55.8 cm2
    Screen format
    • 16:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 70.3%
    • 60.4%
    PPI /points per inch/
    • 401 PPI
    • 218 PPI
    Screen protection
    • Corning Gorilla Glass 5
    		 Unknown
    Camera and Video
    Camera and Video — specifications for Zenfone 4 Pro ZS551KL, Studio Mini LTE.
    SpecificationZenfone 4 Pro ZS551KLStudio Mini LTE
    Rear camera, main
    • 12 MP
    • Dual
    • 5 MP
    • Single
    Camera specs
    • 12 MP
    • f/1.7
    • 25mm (wide)
    • 1/2.55''
    • 1.4µm
    • 4-axis OIS
    • dual pixel PDAF & laser AF -16 MP
    • 50mm (telephoto)
    • 1/3.1''
    • 1.0µm
    • 2x optical zoom
    • AF
    • 5 MP
    • AF
    Functions
    • HDR
    • LED flash
    • panorama
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 8 MP
    • Single
    • 0.3 MP
    • Single
    Specifications
    • 8 MP
    • f/1.9
    • 1/3.2''
    • 22mm (wide)
    • 1.4µm
    • PDAF
    • VGA
    Performance

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

    Performance — specifications for Zenfone 4 Pro ZS551KL, Studio Mini LTE.
    SpecificationZenfone 4 Pro ZS551KLStudio Mini LTE
    Processor CPU
    • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
    • Quad-core 1.2 GHz Cortex-A7
    Graphics processor GPU
    • Adreno 540
    • Adreno 305
    Antutu 7 score * Unknown
    • 27345
    General specs
    General specs — specifications for Zenfone 4 Pro ZS551KL, Studio Mini LTE.
    SpecificationZenfone 4 Pro ZS551KLStudio Mini LTE
    Release date
    • 2017
    • August
    • 2014
    • November
    Colors
    • Moonlight White
    • Pure Black
    • White
    • Blue
    • Grey
    • Orange
    • Pink
    • Yellow
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 390 EUR
    		 Unknown
    Battery life
    • Talking time- Up to 27 h 30 min (3G)
    • Stand by time- Up to 900 h (2G) / Up to 750 h (3G) Talking time- Up to 24 h (2G) / Up to 15 h (3G)
    Body build
    • Front/back glass (Gorilla Glass 5) & aluminum frame
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for Zenfone 4 Pro ZS551KL, Studio Mini LTE.
    SpecificationZenfone 4 Pro ZS551KLStudio Mini LTE
    SIM card
    • Hybrid Dual SIM (Nano-SIM
    • dual stand-by)
    • Micro-SIM
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 4(1700/2100)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 17(700)
    • 19(800)
    • 20(800)
    • 28(700)
    • 38(2600)
    • 39(1900)
    • 40(2300)
    • 41(2500) - Global
    • Taiwan LTE band 1(2100)
    • 12(700)
    • 18(800)
    • 26(850)
    • 29(700)
    • 30(2300)
    • 41(2500) - US
    • Canada
    • Brazil LTE band 1(2100)
    • 41(2500) - India
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700 / 1900 / 2100 -4G - LTE band 4(1700/2100)
    • 7(2600)
    • 17(700)
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE-A (3CA) Cat12 600/150 or 100 Mbps
    • HSPA 42.2/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    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 b/g/n
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    • GALILEO
    • Yes
    • with A-GPS
    USB
    • Type-C 1.0 reversible connector
    • microUSB 2.0
    Bluetooth
    • 5.0
    • A2DP
    • EDR
    • LE
    • aptX
    • 4.0
    • A2DP
    Music and Audio
    Music and Audio — specifications for Zenfone 4 Pro ZS551KL, Studio Mini LTE.
    SpecificationZenfone 4 Pro ZS551KLStudio Mini LTE
    Radio
    • FM radio
    • Stereo FM radio
    Others
    • 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for Zenfone 4 Pro ZS551KL, Studio Mini LTE.
    SpecificationZenfone 4 Pro ZS551KLStudio Mini LTE
    Dop
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass
    • color spectrum
    • Infrared port - Fast battery charging: 50% in 32 min
    • Sensors Accelerometer
    • proximity

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