Asus Zenfone 4 Pro ZS551KL vs Asus Zenfone 4 Selfie ZB553KL
Side-by-side specs and price comparison for buyers in Algeria.
Asus Zenfone 4 Pro ZS551KL
Price coming soon
Asus Zenfone 4 Selfie ZB553KL
Price coming soon
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
Asus Zenfone 4 Pro ZS551KL
Faster charging
Even
Higher-resolution camera
Asus Zenfone 4 Pro ZS551KL
Better display
Asus Zenfone 4 Pro ZS551KL
Lighter body
Asus Zenfone 4 Selfie ZB553KL
Best value for money
Even
Full specs comparison
Display
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| Size (inches) | 5.5 | 5.5 |
| Panel Type | AMOLED | IPS LCD |
| Resolution Height | 1920 | 1280 |
| Resolution Width | 1080 | 720 |
| PPI | 401 | 267 |
| Glass Type | Corning Gorilla Glass 5 | — |
| Screen-to-body | 70.3 | 70.6 |
Platform
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| CPU | Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo) | Octa-core 1.4 GHz Cortex-A53 |
| GPU | Adreno 540 | Adreno 505 |
| Chipset Name | Qualcomm MSM8998 Snapdragon 835 | Qualcomm MSM8937 Snapdragon 430 |
| Process (nm) | 10 | 28 |
| OS Name | Android | Android |
| OS Version | 7.1.1 | 7.0 |
Memory
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| Card Slot | microSDXC (uses shared SIM slot) | microSDXC (dedicated slot) |
| Variants | 64GB 6GB RAM, 128GB 6GB RAM | 32GB 3GB RAM |
Main Camera
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| Video | 4K@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps | 1080p@30fps |
| Features | Laser AF, color spectrum sensor, LED flash, HDR, panorama | LED flash, panorama, HDR |
| Count | 2 | 1 |
| Lens | — | 13 MP |
| Telephoto | 16 MP, 50mm, (telephoto) | — |
| Wide | 12 MP, f/1.7, 25mm, (wide) | — |
Selfie Camera
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| Video | 1080p@30fps | — |
| Features | HDR | LED flash |
| Count | 1 | 1 |
| Lens | 8 MP, f/1.9, 22mm, (wide) | 13 MP, f/2 |
Battery
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| Capacity (mAh) | 3600 | 3000 |
| Chemistry | Li-Ion | Li-Ion |
| talk time | Up to 27 h 30 min (3G) | — |
| Wired Charging (W) | 18 | — |
Body
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame | — |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Height (mm) | 156.9 | 155.7 |
| Thickness (mm) | 7.6 | 7.9 |
| Weight (g) | 175 | 144 |
| Width (mm) | 75.6 | 75.9 |
Launch
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| Announced | 2017, August. Released 2017, October | 2017, September. Released 2017, November |
| Status | Discontinued | Discontinued |
Network
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 - SIM 1 & SIM 2 | GSM 850, 900, 1800, 1900 - SIM 1 & SIM 2 |
| 3G Bands | HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100 | HSDPA 850, 900, 2100 |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 17, 19, 20, 28, 38, 39, 40, 41 - Global, Taiwan | 1, 3, 5, 7, 8, 20, 40 |
| Speed | HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 or 100 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology | GSM, HSPA, LTE | GSM, HSPA, LTE |
Connectivity
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| Bluetooth | 5 | 4.1 |
| infrared port | Yes | — |
| NFC | Yes | No |
| Positioning | GPS, GLONASS, BDS, GALILEO | GPS, GLONASS, BDS |
| Radio | FM radio | FM radio |
| USB Type | Type-C | — |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 4 |
Sound
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes, dual speakers | Yes |
Features
| Spec | Asus Zenfone 4 Pro ZS551KL | Asus Zenfone 4 Selfie ZB553KL |
|---|---|---|
| Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass |
Buying advice for Algeria
Both Asus Zenfone 4 Pro ZS551KL and Asus Zenfone 4 Selfie ZB553KL are sold in Algeria, but they fit different priorities.
Asus Zenfone 4 Pro ZS551KL packs a 3600 mAh battery, which translates to longer screen-on time when you are away from a charger.
Asus Zenfone 4 Pro ZS551KL reaches a higher main-sensor resolution at 16 MP, which helps with crops and lower-light photos.
Other popular comparisons
Samsung Galaxy S26 Ultra vs Apple iPhone 17 Pro Max
Samsung compared to Apple
Samsung Galaxy S26 Ultra vs Google Pixel 10 Pro XL
Samsung compared to Google
Samsung Galaxy S26 Ultra vs Xiaomi 15 Ultra
Samsung compared to Xiaomi
Apple iPhone 17 Pro Max vs Xiaomi 15 Ultra
Apple compared to Xiaomi
Apple iPhone 17 Pro Max vs Google Pixel 10 Pro XL
Apple compared to Google
Samsung Galaxy S26+ vs Apple iPhone 17
Samsung compared to Apple