Apple iPhone 3G vs Samsung i637 Jack
Compare recorded specifications, size and practical differences.
Samsung i637 Jack
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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.
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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. iPhone 3G
- Height:
- 115.5 mm
- Width:
- 62.1 mm +1.1 mm versus i637 Jack
- Depth:
- 12.3 mm
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.
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. iPhone 3G
- Screen diagonal:
- 3.5 in
- Aspect ratio (height:width):
- 3:2
- Approximate rectangular screen area:
- 36.5 cm²
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.
Everyday essentials
| Specification | iPhone 3G | i637 Jack |
|---|---|---|
| Dimensions (HxWxD) |
|
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| Weight |
|
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| Technology |
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| Screen size |
|
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| Screen resolution |
|
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| Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. |
|
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| Memory card support |
|
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| Battery Capacity is not battery life. No endurance test is implied. |
|
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| Operating system OS |
|
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| Headphone jack |
|
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Display
| Specification | iPhone 3G | i637 Jack |
|---|---|---|
| Touchscreen |
|
Unknown |
| Display colors |
|
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| Screen area |
|
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| Screen format |
|
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| Screen to body ratio |
|
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| PPI /points per inch/ |
|
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| Screen protection |
|
Unknown |
Camera and Video
| Specification | iPhone 3G | i637 Jack |
|---|---|---|
| Rear camera, main |
|
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| Camera specs |
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| Video |
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| Front camera, selfie |
|
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Performance
| Specification | iPhone 3G | i637 Jack |
|---|---|---|
| Processor CPU |
|
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| Graphics processor GPU |
|
Unknown |
General specs
| Specification | iPhone 3G | i637 Jack |
|---|---|---|
| Release date |
|
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| Colors |
|
Unknown |
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
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| Battery life |
|
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Communication and Connectivity
| Specification | iPhone 3G | i637 Jack |
|---|---|---|
| SIM card |
|
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| Network |
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| Speed |
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| GPRS |
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| Edge |
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| Wi-Fi |
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| GPS |
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| USB |
|
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| Bluetooth |
|
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| Harmful irradiation |
|
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Music and Audio
| Specification | iPhone 3G | i637 Jack |
|---|---|---|
| Radio |
|
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Other features
| Specification | iPhone 3G | i637 Jack |
|---|---|---|
| Dop |
|
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