Samsung i637 Jack vs Unnecto Rush

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: 77.9 g lighter

    i637 Jack:
    102.1 g
    Rush:
    180 g
  • Width

    i637 Jack: 13 mm narrower

    i637 Jack:
    61 mm
    Rush:
    74 mm
  • Screen diagonal

    i637 Jack: 2.6 in smaller diagonal

    i637 Jack:
    2.4 in
    Rush:
    5 in
  • Depth

    Rush: 3.7 mm thinner

    i637 Jack:
    12.7 mm
    Rush:
    9 mm
  • Height

    i637 Jack: 31 mm shorter

    i637 Jack:
    117 mm
    Rush:
    148 mm
  • Release year

    i637 Jack:
    2009
    Rush:
    2014

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 +3.7 mm versus Rush
  2. 2. Rush

    Height:
    148 mm +31 mm versus i637 Jack
    Width:
    74 mm +13 mm versus i637 Jack
    Depth:
    9 mm

Weight

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

  1. 1. i637 Jack

    102.1 g

  2. 2. Rush

    180 g

    +77.9 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. Rush

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

Rush 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

i637 Jack: Original memory entry

256 MB RAM · 256 MB ROM

Rush: 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. i637 Jack

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

2. Rush

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Rush

    2000 mAh

    +520 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. Rush

Everyday essentials
Everyday essentials — specifications for i637 Jack, Rush.
Specificationi637 JackRush
Dimensions (HxWxD)
  • 117 Х 61 Х 12.7 mm
  • 148 Х 74 Х 9 mm
Weight
  • 102.1 g
  • 180 g
Technology
  • TFT
Unknown
Screen size
  • 2.4" inch
  • 5" inch
Screen resolution
  • 320 x 240 px
  • 720 x 1280 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
  • 512 MB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1480 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
  • Android 4.4.2 (KitKat)
Headphone jack
  • No
  • Yes
Display
Display — specifications for i637 Jack, Rush.
Specificationi637 JackRush
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 17.8 cm2
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 25.0%
  • 62.9%
PPI /points per inch/
  • 167 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for i637 Jack, Rush.
Specificationi637 JackRush
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for i637 Jack, Rush.
Specificationi637 JackRush
Processor CPU
  • 528 MHz
  • Quad-core 1.3 GHz
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for i637 Jack, Rush.
Specificationi637 JackRush
Release date
  • 2009
  • May
  • 2014
  • September
Colors Unknown
  • Black
  • White
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
Unknown
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 7 h
  • Stand by time- Up to 750 h (3G) Talking time- Up to 15 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for i637 Jack, Rush.
Specificationi637 JackRush
SIM card
  • Mini-SIM
  • Dual SIM (dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 21.1/11.5 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB
Bluetooth
  • 2.0
  • A2DP
  • 2.1
  • EDR
Harmful irradiation
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for i637 Jack, Rush.
Specificationi637 JackRush
Radio
  • No
  • FM radio
Other features
Other features — specifications for i637 Jack, Rush.
Specificationi637 JackRush
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