Here is the comparison of features and specification of the mobile phones Asus Zenfone Zoom ZX550 and Celkon A21.
Asus Zenfone Zoom ZX550 is manufactured by Asus and this phone was announced in 2015, January. Asus Zenfone Zoom ZX550 comes with with 5.5 inches and the resolution of the screen is 1080 x 1920 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G: HSDPA 850 / 900 / 1900 / 2100
4G: LTE 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29)
Dipsplay Type: The dispaly type of the Asus Zenfone Zoom ZX550 is IPS capacitive touchscreen with 16M colors.
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Celkon A21 is manufactured by Celkon and this phone was announced in 2014. Celkon A21 comes with with 4.0 inches and the resolution of the screen is 320 x 480 pixels.
This phone supports following network:
2G: GSM 900 / 1800 - SIM 1 & SIM 2
3G: HSDPA 2100
Dipsplay Type: The dispaly type of the Celkon A21 is Capacitive touchscreen.
| Specification Summary: Asus Zenfone Zoom ZX550 vs Celkon A21 | ||
| Mobile Device | Asus Zenfone Zoom ZX550 | Celkon A21 |
| Display | 5.5 inches | 4.0 inches |
| Resolution | 1080 x 1920 pixels | 320 x 480 pixels |
| Processor | Quad-core 2.3 GHz | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 13 MP | 3.15 MP |
| Front Camera | 5 MP | 1.3 MP |
| Storage | 16/32/64/128 GB | 512 MB ROM |
| Battery | Non-removable Li-Po 3000 mAh | Li-Ion 1500 mAh |
| Full Specification comparison of Asus Zenfone Zoom ZX550 vs Celkon A21 | ||
| Mobile Device | Asus Zenfone Zoom ZX550 | Celkon A21 |
Display |
||
| Screen Size | 5.5 inches (~65.9% screen-to-body ratio) | 4.0 inches (~57.8% screen-to-body ratio) |
| Screen Resolution | 1080 x 1920 pixels | 320 x 480 pixels |
| Pixel Density | 1080 x 1920 pixels (~403 ppi pixel density) | 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | IPS capacitive touchscreen with 16M colors | Capacitive touchscreen |
| Screen Protection | Corning Gorilla Glass 3 | |
Processor and RAM |
||
| Processor | Quad-core 2.3 GHz | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 16/32/64/128 GB, 2/4 GB RAM | 512 MB ROM, 256 MB RAM |
| External Storage | microSD, up to 64 GB | microSD, up to 32 GB |
OS |
||
| OS Details | Android OS, v5.0 (Lollipop) | Android OS, v4.2.2 (Jelly Bean) |
Display |
||
| Display | 5.5 inches (~65.9% screen-to-body ratio) IPS capacitive touchscreen, 16M colors 1080 x 1920 pixels (~403 ppi pixel density) |
4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | IPS capacitive touchscreen, 16M colors | Capacitive touchscreen |
Camera |
||
| Main Camera | 13 MP, 4128 x 3096 pixels, laser autofocus, 3x optical zoom, optical image stabilization, dual-LED (dual tone) flash | 3.15 MP |
| Front Camera | 5 MP | 1.3 MP |
| Camera Features | Geo-tagging, touch focus, face detection, panorama, HDR | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 |
| 4G | LTE 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29) | |
| Wi-Fi/connectivity | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot | Yes |
| Bluetooth | v4.0, A2DP, EDR | v4.0 |
| GPS | Yes, with A-GPS, GLONASS | No |
| USB | microUSB v2.0, USB Host | Yes |
Multimedia |
||
| FM Radio | No | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
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| Compass | Yes | |
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | Yes | |
| Barometer Sensor | ||
| Temperature Sensor | ||
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