Here is the comparison of features and specification of the mobile phones Samsung Galaxy Note 4 Duos and Celkon A21.
Samsung Galaxy Note 4 Duos is manufactured by Samsung and this phone was announced in 2014, October. Samsung Galaxy Note 4 Duos comes with with 5.7 inches and the resolution of the screen is 1440 x 2560 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1
3G: HSDPA 850 / 900 / 1900 / 2100 - SIM 1
4G: LTE 1800 / 2100 / 2600 (Bands 1, 3, 7) - SIM 1
Dipsplay Type: The dispaly type of the Samsung Galaxy Note 4 Duos is Super AMOLED 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: Samsung Galaxy Note 4 Duos vs Celkon A21 | ||
| Mobile Device | Samsung Galaxy Note 4 Duos | Celkon A21 |
| Display | 5.7 inches | 4.0 inches |
| Resolution | 1440 x 2560 pixels | 320 x 480 pixels |
| Processor | Quad-core 2.7 GHz Krait 450 | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 16 MP | 3.15 MP |
| Front Camera | 3.7 MP | 1.3 MP |
| Storage | 16 GB | 512 MB ROM |
| Battery | Li-Ion 3000 mAh | Li-Ion 1500 mAh |
| Full Specification comparison of Samsung Galaxy Note 4 Duos vs Celkon A21 | ||
| Mobile Device | Samsung Galaxy Note 4 Duos | Celkon A21 |
Display |
||
| Screen Size | 5.7 inches (~74.2% screen-to-body ratio) | 4.0 inches (~57.8% screen-to-body ratio) |
| Screen Resolution | 1440 x 2560 pixels | 320 x 480 pixels |
| Pixel Density | 1440 x 2560 pixels (~515 ppi pixel density) | 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | Super AMOLED capacitive touchscreen with 16M colors | Capacitive touchscreen |
| Screen Protection | Corning Gorilla Glass 4 | |
Processor and RAM |
||
| Processor | Quad-core 2.7 GHz Krait 450 | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 16 GB, 3 GB RAM | 512 MB ROM, 256 MB RAM |
| External Storage | microSD, up to 128 GB | microSD, up to 32 GB |
OS |
||
| OS Details | Android OS, v4.4.4 (KitKat) | Android OS, v4.2.2 (Jelly Bean) |
Display |
||
| Display | 5.7 inches (~74.2% screen-to-body ratio) Super AMOLED capacitive touchscreen, 16M colors 1440 x 2560 pixels (~515 ppi pixel density) |
4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | Super AMOLED capacitive touchscreen, 16M colors | Capacitive touchscreen |
Camera |
||
| Main Camera | 16 MP, 5312 x 2988 pixels, optical image stabilization, autofocus, LED flash | 3.15 MP |
| Front Camera | 3.7 MP, 1440p | 1.3 MP |
| Camera Features | Dual Shot, Simultaneous HD video and image recording, geo-tagging, touch focus, face/smile detection, panorama, HDR | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 850 / 900 / 1800 / 1900 - SIM 1 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G | HSDPA 850 / 900 / 1900 / 2100 - SIM 1 | HSDPA 2100 |
| 4G | LTE 1800 / 2100 / 2600 (Bands 1, 3, 7) - SIM 1 | |
| Wi-Fi/connectivity | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Yes |
| Bluetooth | v4.1, A2DP, EDR, LE | v4.0 |
| GPS | Yes, with A-GPS, GLONASS, Beidou | No |
| USB | microUSB v2.0 (MHL 3 TV-out), USB Host | Yes |
Multimedia |
||
| FM Radio | No | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | Yes | |
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | Yes | |
| Barometer Sensor | Yes | |
| Temperature Sensor | ||
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