Here is the comparison of features and specification of the mobile phones Celkon A21 and Lenovo S90 Sisley.
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.
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Lenovo S90 Sisley is manufactured by Lenovo and this phone was announced in 2014, November. Lenovo S90 Sisley comes with with 5.0 inches and the resolution of the screen is 720 x 1280 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G: HSDPA 900 / 2100 - S90-a
4G: LTE 1800 / 2100 TD-LTE 2500 (Bands 1, 3, 41) - S90-u
Dipsplay Type: The dispaly type of the Lenovo S90 Sisley is Super AMOLED capacitive touchscreen with 16M colors.
| Specification Summary: Celkon A21 vs Lenovo S90 Sisley | ||
| Mobile Device | Celkon A21 | Lenovo S90 Sisley |
| Display | 4.0 inches | 5.0 inches |
| Resolution | 320 x 480 pixels | 720 x 1280 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A53 |
| Primary Camera | 3.15 MP | 13 MP |
| Front Camera | 1.3 MP | 8 MP |
| Storage | 512 MB ROM | 16/32 GB |
| Battery | Li-Ion 1500 mAh | Non-removable Li-Ion 2300 mAh |
| Full Specification comparison of Celkon A21 vs Lenovo S90 Sisley | ||
| Mobile Device | Celkon A21 | Lenovo S90 Sisley |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 5.0 inches (~65.8% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 720 x 1280 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 720 x 1280 pixels (~294 ppi pixel density) |
| Display Type | Capacitive touchscreen | Super AMOLED capacitive touchscreen with 16M colors |
| Screen Protection | ||
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A53 |
| Interal Storage | 512 MB ROM, 256 MB RAM | 16/32 GB, 1/2 GB RAM |
| External Storage | microSD, up to 32 GB | No |
OS |
||
| OS Details | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4.4 (KitKat) |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
5.0 inches (~65.8% screen-to-body ratio) Super AMOLED capacitive touchscreen, 16M colors 720 x 1280 pixels (~294 ppi pixel density) |
| Display Type | Capacitive touchscreen | Super AMOLED capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 3.15 MP | 13 MP, 4208 x 3120 pixels, autofocus, LED flash, check quality |
| Front Camera | 1.3 MP | 8 MP, AF, LED flash |
| Camera Features | 1/3.2'' sensor size, 1.4�m pixel size, geo-tagging, touch focus, face detection, HDR | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G | HSDPA 2100 | HSDPA 900 / 2100 - S90-a |
| 4G | LTE 1800 / 2100 TD-LTE 2500 (Bands 1, 3, 41) - S90-u | |
| Wi-Fi/connectivity | Yes | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | v4.0 | Yes |
| GPS | No | Yes, with A-GPS |
| USB | Yes | microUSB v2.0 |
Multimedia |
||
| FM Radio | FM radio | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | ||
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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