i-mate JAM Black vs Palm Pre Plus
Compare recorded specifications, size and practical differences.
Palm Pre Plus
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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
Pre Plus: 22 g lighter
- JAM Black:
- 160 g
- Pre Plus:
- 138 g
-
Width
JAM Black: 1.5 mm narrower
- JAM Black:
- 58 mm
- Pre Plus:
- 59.5 mm
-
Screen diagonal
JAM Black: 0.3 in smaller diagonal
- JAM Black:
- 2.8 in
- Pre Plus:
- 3.1 in
-
Depth
Pre Plus: 1.1 mm thinner
- JAM Black:
- 18 mm
- Pre Plus:
- 16.9 mm
-
Height
Pre Plus: 7.5 mm shorter
- JAM Black:
- 108 mm
- Pre Plus:
- 100.5 mm
-
Release year
- JAM Black:
- 2005
- Pre Plus:
- 2010
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. JAM Black
- Height:
- 108 mm +7.5 mm versus Pre Plus
- Width:
- 58 mm
- Depth:
- 18 mm +1.1 mm versus Pre Plus
2. Pre Plus
- Height:
- 100.5 mm
- Width:
- 59.5 mm +1.5 mm versus JAM Black
- Depth:
- 16.9 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. JAM Black
- Screen diagonal:
- 2.8 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 24.3 cm²
2. Pre Plus
- Screen diagonal:
- 3.1 in
- Aspect ratio (height:width):
- 3:2
- Approximate rectangular screen area:
- 28.6 cm²
Pre Plus has approximately 17.9% more rectangular screen area than JAM Black.
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.
JAM Black: Original memory entry
128 MB RAM · 64 MB ROM
Pre Plus: Original memory entry
16 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. JAM Black
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details SDIO/MMC
2. Pre Plus
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- No
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.
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 | JAM Black | Pre Plus |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
|
| Technology |
|
|
| Screen size |
|
|
| Screen resolution |
|
|
| Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. |
|
|
| Memory card support |
|
|
| Battery Capacity is not battery life. No endurance test is implied. |
|
|
| Operating system OS |
|
|
| Headphone jack |
|
|
Display
| Specification | JAM Black | Pre Plus |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
Camera and Video
| Specification | JAM Black | Pre Plus |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions | Unknown |
|
| Video |
|
|
| Front camera, selfie |
|
|
Performance
| Specification | JAM Black | Pre Plus |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU | Unknown |
|
General specs
| Specification | JAM Black | Pre Plus |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
|
| Battery life | Unknown |
|
Communication and Connectivity
| Specification | JAM Black | Pre Plus |
|---|---|---|
| SIM card |
|
|
| Network | Unknown |
|
| Speed | Unknown |
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
Music and Audio
| Specification | JAM Black | Pre Plus |
|---|---|---|
| Radio |
|
|
| Others |
|
Unknown |
Other features
| Specification | JAM Black | Pre Plus |
|---|---|---|
| Dop |
|
|