i-mate JAM Black vs Xiaomi Redmi Note 9 Pro Max
Compare recorded specifications, size and practical differences.
Xiaomi Redmi Note 9 Pro Max
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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
JAM Black: 49 g lighter
- JAM Black:
- 160 g
- Redmi Note 9 Pro Max:
- 209 g
-
Width
JAM Black: 18.7 mm narrower
- JAM Black:
- 58 mm
- Redmi Note 9 Pro Max:
- 76.7 mm
-
Screen diagonal
JAM Black: 3.87 in smaller diagonal
- JAM Black:
- 2.8 in
- Redmi Note 9 Pro Max:
- 6.67 in
-
Rear camera layout
- JAM Black:
- Single
- Redmi Note 9 Pro Max:
- Quad
-
Depth
Redmi Note 9 Pro Max: 9.2 mm thinner
- JAM Black:
- 18 mm
- Redmi Note 9 Pro Max:
- 8.8 mm
-
Height
JAM Black: 57.5 mm shorter
- JAM Black:
- 108 mm
- Redmi Note 9 Pro Max:
- 165.5 mm
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
- Width:
- 58 mm
- Depth:
- 18 mm +9.2 mm versus Redmi Note 9 Pro Max
2. Redmi Note 9 Pro Max
- Height:
- 165.5 mm +57.5 mm versus JAM Black
- Width:
- 76.7 mm +18.7 mm versus JAM Black
- Depth:
- 8.8 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. Redmi Note 9 Pro Max
- Screen diagonal:
- 6.67 in
- Aspect ratio (height:width):
- 20:9
- Approximate rectangular screen area:
- 107.4 cm²
Redmi Note 9 Pro Max has approximately 342.4% 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.
| Storage | JAM Black | Redmi Note 9 Pro Max |
|---|---|---|
| 64 GB | Unknown | 6 GB RAM |
| 128 GB | Unknown | 6 / 8 GB RAM Alternative RAM configurations |
JAM Black: Original memory entry
128 MB RAM · 64 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. JAM Black
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details SDIO/MMC
2. Redmi Note 9 Pro Max
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSDXC (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.
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 | Redmi Note 9 Pro Max |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
|
| Technology |
|
|
| Screen size |
|
|
| Screen resolution |
|
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| 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 |
|
|
| Chipset | Unknown |
|
| Headphone jack |
|
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Display
| Specification | JAM Black | Redmi Note 9 Pro Max |
|---|---|---|
| Touchscreen |
|
|
| 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 | JAM Black | Redmi Note 9 Pro Max |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions | Unknown |
|
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications | Unknown |
|
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | JAM Black | Redmi Note 9 Pro Max |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU | Unknown |
|
| Antutu 8 score * | Unknown |
|
General specs
| Specification | JAM Black | Redmi Note 9 Pro Max |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
|
| Body build | Unknown |
|
Communication and Connectivity
| Specification | JAM Black | Redmi Note 9 Pro Max |
|---|---|---|
| SIM card |
|
|
| Network | Unknown |
|
| Speed | Unknown |
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
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| GPS |
|
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| USB |
|
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| Bluetooth |
|
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Music and Audio
| Specification | JAM Black | Redmi Note 9 Pro Max |
|---|---|---|
| Radio |
|
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| Others |
|
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Other features
| Specification | JAM Black | Redmi Note 9 Pro Max |
|---|---|---|
| Dop |
|
|

