Samsung i637 Jack vs T-Mobile myTouch qwerty

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.

  • Weight

    i637 Jack: 82.9 g lighter

    i637 Jack:
    102.1 g
    myTouch qwerty:
    185 g
  • Width

    i637 Jack: 2.9 mm narrower

    i637 Jack:
    61 mm
    myTouch qwerty:
    63.9 mm
  • Screen diagonal

    i637 Jack: 1.6 in smaller diagonal

    i637 Jack:
    2.4 in
    myTouch qwerty:
    4 in
  • Depth

    i637 Jack: 1.6 mm thinner

    i637 Jack:
    12.7 mm
    myTouch qwerty:
    14.3 mm
  • Height

    i637 Jack: 7.8 mm shorter

    i637 Jack:
    117 mm
    myTouch qwerty:
    124.8 mm
  • Release year

    i637 Jack:
    2009
    myTouch qwerty:
    2012

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. i637 Jack

    Height:
    117 mm
    Width:
    61 mm
    Depth:
    12.7 mm
  2. 2. myTouch qwerty

    Height:
    124.8 mm +7.8 mm versus i637 Jack
    Width:
    63.9 mm +2.9 mm versus i637 Jack
    Depth:
    14.3 mm +1.6 mm versus i637 Jack

Weight

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

  1. 1. i637 Jack

    102.1 g

  2. 2. myTouch qwerty

    185 g

    +82.9 g versus i637 Jack

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. i637 Jack

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

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

myTouch qwerty has approximately 155.3% 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 i637 Jack, myTouch qwerty, compared at the same storage capacity.
Storagei637 JackmyTouch qwerty
4 GB Unknown 1 GB RAM
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. i637 Jack

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

2. myTouch qwerty

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. i637 Jack

    1480 mAh

  2. 2. myTouch qwerty

    1500 mAh

    +20 mAh versus i637 Jack

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. i637 Jack2. myTouch qwerty

Everyday essentials
Everyday essentials — specifications for i637 Jack, myTouch qwerty.
Specificationi637 JackmyTouch qwerty
Dimensions (HxWxD)
  • 117 Х 61 Х 12.7 mm
  • 124.8 Х 63.9 Х 14.3 mm
Weight
  • 102.1 g
  • 185 g
Technology
  • TFT
  • TFT
Screen size
  • 2.4" inch
  • 4" inch
Screen resolution
  • 320 x 240 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB RAM
  • 256 MB ROM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1480 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
  • Android 2.3 (Gingerbread)
Chipset Unknown
  • Qualcomm MSM8255T Snapdragon S2
Headphone jack
  • No
  • Yes
Display
Display — specifications for i637 Jack, myTouch qwerty.
Specificationi637 JackmyTouch qwerty
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 17.8 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 25.0%
  • 57.1%
PPI /points per inch/
  • 167 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for i637 Jack, myTouch qwerty.
Specificationi637 JackmyTouch qwerty
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for i637 Jack, myTouch qwerty.
Specificationi637 JackmyTouch qwerty
Processor CPU
  • 528 MHz
  • 1.4 GHz Scorpion
Graphics processor GPU Unknown
  • Adreno 205
General specs
General specs — specifications for i637 Jack, myTouch qwerty.
Specificationi637 JackmyTouch qwerty
Release date
  • 2009
  • May
  • 2012
  • August. Released 2012
  • August
Colors Unknown
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 290 EUR
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 7 h
  • Stand by time- Up to 185 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for i637 Jack, myTouch qwerty.
Specificationi637 JackmyTouch qwerty
SIM card
  • Mini-SIM
  • 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 3.6/0.384 Mbps
  • HSPA
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • Yes
Harmful irradiation
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for i637 Jack, myTouch qwerty.
Specificationi637 JackmyTouch qwerty
Radio
  • No
  • No
Other features
Other features — specifications for i637 Jack, myTouch qwerty.
Specificationi637 JackmyTouch qwerty
Dop
  • Windows Media Player 10 -Windows Live
  • Yahoo!
  • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T
  • Sensors Accelerometer
  • proximity
  • compass - T-Mobile TV -MP4/WMV/H.264 player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer -Voice memo/dial/commands -Predictive text input (Swype)