Allview E3 Sign vs TECNO Spark CM
Compare recorded specifications, size and practical differences.
TECNO Spark CM
Replace Spark CM
+ Add a third phone
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
E3 Sign: 10.1 g lighter
- E3 Sign:
- 161.9 g
- Spark CM:
- 172 g
-
Width
Spark CM: 4.2 mm narrower
- E3 Sign:
- 75.9 mm
- Spark CM:
- 71.7 mm
-
Screen diagonal
E3 Sign: 0.2 in smaller diagonal
- E3 Sign:
- 5.5 in
- Spark CM:
- 5.7 in
-
Chipset
- E3 Sign:
- Mediatek MT6582 (28 nm)
- Spark CM:
- Mediatek MT6737
-
Depth
Spark CM: 3.7 mm thinner
- E3 Sign:
- 9.3 mm
- Spark CM:
- 5.6 mm
-
Release year
- E3 Sign:
- 2015
- Spark CM:
- 2017
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. E3 Sign
- Height:
- 152.5 mm
- Width:
- 75.9 mm +4.2 mm versus Spark CM
- Depth:
- 9.3 mm +3.7 mm versus Spark CM
2. Spark CM
- Height:
- 152.2 mm
- Width:
- 71.7 mm
- Depth:
- 5.6 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. E3 Sign
- Screen diagonal:
- 5.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 83.4 cm²
2. Spark CM
- Screen diagonal:
- 5.7 in
- Aspect ratio (height:width):
- 18:9
- Approximate rectangular screen area:
- 83.8 cm²
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 | E3 Sign | Spark CM |
|---|---|---|
| 16 GB Recorded for all phones | 2 GB RAM | 2 GB 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. E3 Sign
- NFC:
- See details Super AMOLED
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB (dedicated slot)
2. Spark CM
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB
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 | E3 Sign | Spark CM |
|---|---|---|
| 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 |
|
|
| NFC |
|
Unknown |
| Headphone jack |
|
|
Display
| Specification | E3 Sign | Spark CM |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
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| Screen protection |
|
|
Camera and Video
| Specification | E3 Sign | Spark CM |
|---|---|---|
| Rear camera, main |
|
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| Camera specs |
|
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| Functions |
|
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| Video |
|
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| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
| Specification | E3 Sign | Spark CM |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
|
| Antutu 7 score Legacy recorded score. Test conditions are unspecified; no new testing is implied. |
|
Unknown |
General specs
| Specification | E3 Sign | Spark CM |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Battery life |
|
Unknown |
Communication and Connectivity
| Specification | E3 Sign | Spark CM |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
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| GPS |
|
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| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | E3 Sign | Spark CM |
|---|---|---|
| Radio |
|
|
Other features
| Specification | E3 Sign | Spark CM |
|---|---|---|
| Dop |
|
|