1. Home
  2. Comparison

Gigabyte GSmart Guru vs Samsung i637 Jack

Compare recorded specifications, size and practical differences.

+ Add a third phone

    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.

    • Screen diagonal

      i637 Jack: 2.6 in smaller diagonal

      GSmart Guru:
      5 in
      i637 Jack:
      2.4 in

    • Release year

      GSmart Guru:
      2013
      i637 Jack:
      2009

    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. GSmart Guru

      Height:
      Unknown
      Width:
      Unknown
      Depth:
      Unknown
      Weight:
      Unknown

      Unavailable dimensions are omitted from the drawing.

    2. 2. i637 Jack

      Height:
      117 mm
      Width:
      61 mm
      Depth:
      12.7 mm
      Weight:
      102.1 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. GSmart Guru

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

    2. 2. i637 Jack

      Screen diagonal:
      2.4 in
      Aspect ratio (height:width):
      4:3
      Approximate rectangular screen area:
      17.8 cm²

    GSmart Guru has approximately 286.4% more rectangular screen area than i637 Jack.

    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 GSmart Guru, i637 Jack, compared at the same storage capacity.
    StorageGSmart Gurui637 Jack
    32 GB 2 GB RAM Unknown
    i637 Jack: Original memory entry

    256 MB RAM · 256 MB ROM

    Practical features

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

    1. GSmart Guru

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    No

    2. i637 Jack

    NFC:
    Unknown
    Headphone jack:
    No
    Memory card support:
    See details microSD · up to 16 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. GSmart Guru

      2500 mAh

      +1020 mAh versus i637 Jack

    2. 2. i637 Jack

      1480 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. GSmart Guru2. i637 Jack

    Everyday essentials
    Everyday essentials — specifications for GSmart Guru, i637 Jack.
    SpecificationGSmart Gurui637 Jack
    Dimensions (HxWxD)
    • Х Х mm
    • 117 Х 61 Х 12.7 mm
    Weight
    • 0 g
    • 102.1 g
    Technology
    • IPS LCD
    • TFT
    Screen size
    • 5" inch
    • 2.4" inch
    Screen resolution
    • 1080 x 1920 px
    • 320 x 240 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32 GB
    • 2 GB RAM
    • 256 MB RAM
    • 256 MB ROM
    Memory card support
    • No
    • microSD
    • up to 16 GB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 2500 mAh
    • Removable Li-Ion
    • 1480 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 4.2 (Jelly Bean)
    • Microsoft Windows Mobile 6.1 Standard
    • upgradable to Windows Mobile 6.5
    Chipset
    • Mediatek MT6589T (28 nm)
    		 Unknown
    Headphone jack
    • Yes
    • No
    Display
    Display — specifications for GSmart Guru, i637 Jack.
    SpecificationGSmart Gurui637 Jack
    Touchscreen
    • capacitive touchscreen
    		 Unknown
    Display colors
    • 16M
    • 65K
    Screen area
    • 68.9 cm2
    • 17.8 cm2
    Screen format
    • 16:9 (height:width)
    • 4:3 (height:width)
    Screen to body ratio Unknown
    • 25.0%
    PPI /points per inch/
    • 441 PPI
    • 167 PPI
    Camera and Video
    Camera and Video — specifications for GSmart Guru, i637 Jack.
    SpecificationGSmart Gurui637 Jack
    Rear camera, main
    • 13 MP
    • Single
    • 3.15 MP
    • Single
    Camera specs
    • 13 MP
    • AF
    • 3.15 MP
    Functions
    • LED flash
    		 Unknown
    Video
    • Yes
    • Yes
    Front camera, selfie
    • 5 MP
    • Single
    • 0 MP,
    Specifications
    • 5 MP
    		 Unknown
    Performance

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

    Performance — specifications for GSmart Guru, i637 Jack.
    SpecificationGSmart Gurui637 Jack
    Processor CPU
    • Quad-core 1.5 GHz Cortex-A7
    • 528 MHz
    Graphics processor GPU
    • PowerVR SGX544
    		 Unknown
    Antutu 7 score *
    • 14856
    		 Unknown
    General specs
    General specs — specifications for GSmart Guru, i637 Jack.
    SpecificationGSmart Gurui637 Jack
    Release date
    • 2013
    • October
    • 2009
    • May
    Colors
    • Black
    		 Unknown
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 440 EUR
    • 120 EUR
    Battery life
    • Stand by time- Up to 250 h Talking time- Up to 10 h 30 min
    • Stand by time- Up to 288 h Talking time- Up to 7 h
    Communication and Connectivity
    Communication and Connectivity — specifications for GSmart Guru, i637 Jack.
    SpecificationGSmart Gurui637 Jack
    SIM card
    • Yes
    • Mini-SIM
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
    Speed
    • HSPA 42.2/5.76 Mbps
    • HSPA 3.6/0.384 Mbps
    GPRS
    • Yes
    • Class 10
    Edge
    • Yes
    • Class 10
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 b/g
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • 2.0
    Bluetooth
    • 4.0
    • A2DP
    • 2.0
    • A2DP
    Harmful irradiation Unknown
    • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
    Music and Audio
    Music and Audio — specifications for GSmart Guru, i637 Jack.
    SpecificationGSmart Gurui637 Jack
    Radio
    • FM radio
    • No
    Other features
    Other features — specifications for GSmart Guru, i637 Jack.
    SpecificationGSmart Gurui637 Jack
    Dop
    • Sensors Accelerometer
    • proximity
    • compass
    • Windows Media Player 10 -Windows Live
    • Yahoo!
    • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T