Asus Zenfone 4 Pro ZS551KL vs Plum Trigger Plus
Compare recorded specifications, size and practical differences.
Plum Trigger 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
Trigger Plus: 55 g lighter
- Zenfone 4 Pro ZS551KL:
- 175 g
- Trigger Plus:
- 120 g
-
Width
Trigger Plus: 13.2 mm narrower
- Zenfone 4 Pro ZS551KL:
- 75.6 mm
- Trigger Plus:
- 62.4 mm
-
Screen diagonal
Trigger Plus: 2 in smaller diagonal
- Zenfone 4 Pro ZS551KL:
- 5.5 in
- Trigger Plus:
- 3.5 in
-
Chipset
- Zenfone 4 Pro ZS551KL:
- Qualcomm MSM8998 Snapdragon 835 (10 nm)
- Trigger Plus:
- Mediatek MT6572 (28 nm)
-
Rear camera layout
- Zenfone 4 Pro ZS551KL:
- Dual
- Trigger Plus:
- Single
-
Depth
Zenfone 4 Pro ZS551KL: 3.9 mm thinner
- Zenfone 4 Pro ZS551KL:
- 7.6 mm
- Trigger Plus:
- 11.5 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. Zenfone 4 Pro ZS551KL
- Height:
- 156.9 mm +38.9 mm versus Trigger Plus
- Width:
- 75.6 mm +13.2 mm versus Trigger Plus
- Depth:
- 7.6 mm
2. Trigger Plus
- Height:
- 118 mm
- Width:
- 62.4 mm
- Depth:
- 11.5 mm +3.9 mm versus Zenfone 4 Pro ZS551KL
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. Zenfone 4 Pro ZS551KL
- Screen diagonal:
- 5.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 83.4 cm²
2. Trigger Plus
- Screen diagonal:
- 3.5 in
- Aspect ratio (height:width):
- 3:2
- Approximate rectangular screen area:
- 36.5 cm²
Zenfone 4 Pro ZS551KL has approximately 128.6% more rectangular screen area than Trigger Plus.
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 | Zenfone 4 Pro ZS551KL | Trigger Plus |
|---|---|---|
| 64 GB | 6 GB RAM | Unknown |
| 128 GB | 6 GB RAM | Unknown |
Trigger Plus: Original memory entry
2 GB · 256 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. Zenfone 4 Pro ZS551KL
- NFC:
- Yes
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 512 GB (uses SIM 2 slot)
2. Trigger Plus
- 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 | Zenfone 4 Pro ZS551KL | Trigger Plus |
|---|---|---|
| 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. |
|
|
| Operating system OS |
|
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| Chipset |
|
|
| NFC |
|
Unknown |
| Headphone jack |
|
|
Display
| Specification | Zenfone 4 Pro ZS551KL | Trigger Plus |
|---|---|---|
| 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 | Zenfone 4 Pro ZS551KL | Trigger Plus |
|---|---|---|
| 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 |
|
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| Specifications |
|
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Performance
| Specification | Zenfone 4 Pro ZS551KL | Trigger Plus |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
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General specs
| Specification | Zenfone 4 Pro ZS551KL | Trigger Plus |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
Unknown |
| Battery life |
|
|
| Body build |
|
Unknown |
Communication and Connectivity
| Specification | Zenfone 4 Pro ZS551KL | Trigger Plus |
|---|---|---|
| SIM card |
|
|
| Network |
|
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| Speed |
|
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| GPRS |
|
|
| 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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Music and Audio
| Specification | Zenfone 4 Pro ZS551KL | Trigger Plus |
|---|---|---|
| Radio |
|
|
| Others |
|
Unknown |
Other features
| Specification | Zenfone 4 Pro ZS551KL | Trigger Plus |
|---|---|---|
| Dop |
|
|

