Here is the comparison of features and specification of the mobile phones HTC One E9 and Celkon A21.
HTC One E9 is manufactured by and this phone was announced in 2015, May. HTC One E9 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
4G: HSPA
Dipsplay Type: The dispaly type of the HTC One E9 is 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: HTC One E9 vs Celkon A21 | ||
| Mobile Device | HTC One E9 | Celkon A21 |
| Display | 5.5 inches | 4.0 inches |
| Resolution | 1080 x 1920 pixels | 320 x 480 pixels |
| Processor | Octa-core 2 GHz | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 13 MP | 3.15 MP |
| Front Camera | 4 MP | 1.3 MP |
| Storage | 16 GB | 512 MB ROM |
| Battery | Non-removable Li-Po 2800 mAh | Li-Ion 1500 mAh |
| Full Specification comparison of HTC One E9 vs Celkon A21 | ||
| Mobile Device | HTC One E9 | Celkon A21 |
Display |
||
| Screen Size | 5.5 inches | 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 | 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | Capacitive touchscreen with 16M colors | Capacitive touchscreen |
| Screen Protection | To be disclosed | |
Processor and RAM |
||
| Processor | Octa-core 2 GHz | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 16 GB, 2 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, v5.0 (Lollipop) | Android OS, v4.2.2 (Jelly Bean) |
Display |
||
| Display | 5.5 inches Capacitive touchscreen, 16M colors 1080 x 1920 pixels |
4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | Capacitive touchscreen, 16M colors | Capacitive touchscreen |
Camera |
||
| Main Camera | 13 MP | 3.15 MP |
| Front Camera | 4 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 | HSDPA 2100 |
| 4G | HSPA | |
| Wi-Fi/connectivity | Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, hotspot | Yes |
| Bluetooth | v4.1, A2DP, apt-X | v4.0 |
| GPS | Yes, with A-GPS, GLONASS, Beidou | No |
| USB | microUSB v2.0 | Yes |
Multimedia |
||
| FM Radio | FM radio | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | Yes | |
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | Yes | |
| Barometer Sensor | ||
| Temperature Sensor | ||
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