Asus Zenfone Zoom ZX550 vs BLU C4
Compare recorded specifications, size and practical differences.
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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.
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Weight
C4: 67 g lighter
- Zenfone Zoom ZX550:
- 185 g
- C4:
- 118 g
-
Width
C4: 14.6 mm narrower
- Zenfone Zoom ZX550:
- 78.8 mm
- C4:
- 64.2 mm
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Screen diagonal
C4: 1.5 in smaller diagonal
- Zenfone Zoom ZX550:
- 5.5 in
- C4:
- 4 in
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Depth
C4: 1.1 mm thinner
- Zenfone Zoom ZX550:
- 12 mm
- C4:
- 10.9 mm
-
Height
C4: 34.6 mm shorter
- Zenfone Zoom ZX550:
- 158.9 mm
- C4:
- 124.3 mm
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Release year
- Zenfone Zoom ZX550:
- 2015
- C4:
- 2018
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 Zoom ZX550
- Height:
- 158.9 mm +34.6 mm versus C4
- Width:
- 78.8 mm +14.6 mm versus C4
- Depth:
- 12 mm +1.1 mm versus C4
2. C4
- Height:
- 124.3 mm
- Width:
- 64.2 mm
- Depth:
- 10.9 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. Zenfone Zoom ZX550
- Screen diagonal:
- 5.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 83.4 cm²
2. C4
- Screen diagonal:
- 4 in
- Aspect ratio (height:width):
- 5:3
- Approximate rectangular screen area:
- 45.5 cm²
Zenfone Zoom ZX550 has approximately 83.1% more rectangular screen area than C4.
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.
Zenfone Zoom ZX550: Original memory entry
16/32/64/128 GB · 2/4 GB RAM
C4: Original memory entry
8 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. Zenfone Zoom ZX550
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 64 GB (dedicated slot)
2. C4
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 64 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 Zoom ZX550 | C4 |
|---|---|---|
| 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. |
|
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| Operating system OS |
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| Chipset |
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Unknown |
| Headphone jack |
|
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Display
| Specification | Zenfone Zoom ZX550 | C4 |
|---|---|---|
| Touchscreen |
|
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| 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 Zoom ZX550 | C4 |
|---|---|---|
| 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
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
General specs
| Specification | Zenfone Zoom ZX550 | C4 |
|---|---|---|
| Release date |
|
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| Colors |
|
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| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
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| Battery life | Unknown |
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Communication and Connectivity
| Specification | Zenfone Zoom ZX550 | C4 |
|---|---|---|
| SIM card |
|
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| Network |
|
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| Speed |
|
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| GPRS |
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| 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 Zoom ZX550 | C4 |
|---|---|---|
| Radio |
|
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Other features
| Specification | Zenfone Zoom ZX550 | C4 |
|---|---|---|
| Dop |
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