Huawei Mate 20 vs i-mate JAM Black
Compare recorded specifications, size and practical differences.
i-mate JAM Black
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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: 28 g lighter
- Mate 20:
- 188 g
- JAM Black:
- 160 g
-
Width
JAM Black: 19.2 mm narrower
- Mate 20:
- 77.2 mm
- JAM Black:
- 58 mm
-
Screen diagonal
JAM Black: 3.73 in smaller diagonal
- Mate 20:
- 6.53 in
- JAM Black:
- 2.8 in
-
Rear camera layout
- Mate 20:
- Triple
- JAM Black:
- Single
-
Depth
Mate 20: 9.7 mm thinner
- Mate 20:
- 8.3 mm
- JAM Black:
- 18 mm
-
Height
JAM Black: 50.2 mm shorter
- Mate 20:
- 158.2 mm
- JAM Black:
- 108 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. Mate 20
- Height:
- 158.2 mm +50.2 mm versus JAM Black
- Width:
- 77.2 mm +19.2 mm versus JAM Black
- Depth:
- 8.3 mm
2. JAM Black
- Height:
- 108 mm
- Width:
- 58 mm
- Depth:
- 18 mm +9.7 mm versus Mate 20
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. Mate 20
- Screen diagonal:
- 6.53 in
- Aspect ratio (height:width):
- 18.7:9
- Approximate rectangular screen area:
- 107.5 cm²
2. JAM Black
- Screen diagonal:
- 2.8 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 24.3 cm²
Mate 20 has approximately 342.8% 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.
Mate 20: Original memory entry
128 GB · 4/6 GB RAM
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. Mate 20
- NFC:
- Yes
- Headphone jack:
- Yes
- Memory card support:
- See details NM (Nano Memory) · up to 256GB (uses SIM 2)
2. JAM Black
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details SDIO/MMC
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 | Mate 20 | JAM Black |
|---|---|---|
| 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 |
|
|
| Chipset |
|
Unknown |
| NFC |
|
Unknown |
| Headphone jack |
|
|
Display
| Specification | Mate 20 | JAM Black |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
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| Screen format |
|
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| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
| Screen protection |
|
Unknown |
Camera and Video
| Specification | Mate 20 | JAM Black |
|---|---|---|
| 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 | Mate 20 | JAM Black |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
Unknown |
| Antutu 7 score * |
|
Unknown |
| Antutu 8 score * |
|
Unknown |
| GeekBench 5 Single Core * |
|
Unknown |
| GeekBench 5 Multi-Core * |
|
Unknown |
General specs
| Specification | Mate 20 | JAM Black |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
|
| Body build |
|
Unknown |
Communication and Connectivity
| Specification | Mate 20 | JAM Black |
|---|---|---|
| SIM card |
|
|
| Network |
|
Unknown |
| Speed |
|
Unknown |
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
Music and Audio
| Specification | Mate 20 | JAM Black |
|---|---|---|
| Radio |
|
|
| Others |
|
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Other features
| Specification | Mate 20 | JAM Black |
|---|---|---|
| Dop |
|
|



