Apple iPhone 3G vs Samsung i637 Jack

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: 30.9 g lighter

    iPhone 3G:
    133 g
    i637 Jack:
    102.1 g
  • Width

    i637 Jack: 1.1 mm narrower

    iPhone 3G:
    62.1 mm
    i637 Jack:
    61 mm
  • Screen diagonal

    i637 Jack: 1.1 in smaller diagonal

    iPhone 3G:
    3.5 in
    i637 Jack:
    2.4 in
  • Release year

    iPhone 3G:
    2008
    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. iPhone 3G

    Height:
    115.5 mm
    Width:
    62.1 mm +1.1 mm versus i637 Jack
    Depth:
    12.3 mm
  2. 2. i637 Jack

    Height:
    117 mm
    Width:
    61 mm
    Depth:
    12.7 mm

Weight

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

  1. 1. iPhone 3G

    133 g

    +30.9 g versus i637 Jack

  2. 2. i637 Jack

    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. iPhone 3G

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. i637 Jack

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

iPhone 3G has approximately 104.5% 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.

iPhone 3G: Original memory entry

8/16 GB · 128 MB 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. iPhone 3G

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. iPhone 3G2. i637 Jack

Everyday essentials
Everyday essentials — specifications for iPhone 3G, i637 Jack.
SpecificationiPhone 3Gi637 Jack
Dimensions (HxWxD)
  • 115.5 Х 62.1 Х 12.3 mm
  • 117 Х 61 Х 12.7 mm
Weight
  • 133 g
  • 102.1 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 2.4" inch
Screen resolution
  • 320 x 480 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8/16 GB
  • 128 MB 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.
  • 0 mAh,
  • 1480 mAh
  • Removable Li-Ion
Operating system OS
  • iOS
  • upgradable to iOS 4.2.1
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
Headphone jack
  • Yes
  • No
Display
Display — specifications for iPhone 3G, i637 Jack.
SpecificationiPhone 3Gi637 Jack
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 36.5 cm2
  • 17.8 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 50.9%
  • 25.0%
PPI /points per inch/
  • 165 PPI
  • 167 PPI
Screen protection
  • Corning Gorilla Glass
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for iPhone 3G, i637 Jack.
SpecificationiPhone 3Gi637 Jack
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Video
  • No
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for iPhone 3G, i637 Jack.
SpecificationiPhone 3Gi637 Jack
Processor CPU
  • 412 MHz ARM 11
  • 528 MHz
Graphics processor GPU
  • PowerVR MBX
Unknown
General specs
General specs — specifications for iPhone 3G, i637 Jack.
SpecificationiPhone 3Gi637 Jack
Release date
  • 2008
  • June
  • 2009
  • May
Colors
  • Black(8/16 GB)
  • White (16 GB)
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 10 h Music play - Up to 24 h
  • Stand by time- Up to 288 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for iPhone 3G, i637 Jack.
SpecificationiPhone 3Gi637 Jack
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
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • 2.0
Bluetooth
  • 2.0
  • A2DP (headset support only)
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 0.52 W/kg (head) 1.29 W/kg (body) SAR EU - 0.56 W/kg (head) 0.23 W/kg (body)
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for iPhone 3G, i637 Jack.
SpecificationiPhone 3Gi637 Jack
Radio
  • No
  • No
Other features
Other features — specifications for iPhone 3G, i637 Jack.
SpecificationiPhone 3Gi637 Jack
Dop
  • Sensors Accelerometer
  • proximity - Audio/video player -TV-out -Organizer -Document viewer -Photo viewer -Predictive text input
  • Windows Media Player 10 -Windows Live
  • Yahoo!
  • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T