Here is the comparison of features and specification of the mobile phones Celkon A21 and Nvidia Shield.
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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Nvidia Shield is manufactured by Nvidia and this phone was announced in 2014, July. Nvidia Shield comes with with 8.0 inches and the resolution of the screen is 1920 x 1200 pixels.
This phone supports following network:
2G: N/A
Dipsplay Type: The dispaly type of the Nvidia Shield is Capacitive touchscreen with 16M colors.
| Specification Summary: Celkon A21 vs Nvidia Shield | ||
| Mobile Device | Celkon A21 | Nvidia Shield |
| Display | 4.0 inches | 8.0 inches |
| Resolution | 320 x 480 pixels | 1920 x 1200 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 2.2 GHz Cortex-A15 |
| Primary Camera | 3.15 MP | 5 MP |
| Front Camera | 1.3 MP | 5 MP |
| Storage | 512 MB ROM | 16 GB |
| Battery | Li-Ion 1500 mAh | Li-Ion (19.75 Wh) |
| Full Specification comparison of Celkon A21 vs Nvidia Shield | ||
| Mobile Device | Celkon A21 | Nvidia Shield |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 8.0 inches (~66.6% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 1920 x 1200 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 1920 x 1200 pixels (~283 ppi pixel density) |
| Display Type | Capacitive touchscreen | Capacitive touchscreen with 16M colors |
| Screen Protection | ||
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 2.2 GHz Cortex-A15 |
| Interal Storage | 512 MB ROM, 256 MB RAM | 16 GB, 2 GB RAM |
| External Storage | microSD, up to 32 GB | microSD |
OS |
||
| OS Details | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat), planned upgrade to v5.0.1 (Lollipop) |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
8.0 inches (~66.6% screen-to-body ratio) Capacitive touchscreen, 16M colors 1920 x 1200 pixels (~283 ppi pixel density) |
| Display Type | Capacitive touchscreen | Capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 3.15 MP | 5 MP, 2592 ? 1944 pixels, autofocus |
| Front Camera | 1.3 MP | 5 MP, HDR |
| Camera Features | Geo-tagging, touch focus, HDR | |
Connectivity |
||
| GPRS | Yes | No |
| EDGE | Yes | No |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | N/A |
| 3G | HSDPA 2100 | |
| 4G | ||
| Wi-Fi/connectivity | Yes | Wi-Fi 802.11 a/b/g/n, dual-band |
| Bluetooth | v4.0 | v4.0, A2DP, LE |
| GPS | No | Yes |
| USB | Yes | microUSB v2.0 |
Multimedia |
||
| FM Radio | FM radio | No |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | Yes | |
| Proximity Sensors | ||
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | Yes | |
| Barometer Sensor | ||
| Temperature Sensor | ||
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