Samsung Galaxy Nexus vs Karbonn A21
General Info
| Manufacturer | |
| Samsung | Karbonn |
| Announced | |
| October 2011 | 2012 |
| Status | |
| Available - November 2011 | Available |
| Colors | |
| Black | Pearl White |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
|
135.5 x 67.9 x 8.9 mm (5.33 x 2.67 x 0.35 in) |
- |
| Weight | |
| 135 g (4.76 oz) | - |
| 2G Network | |
| GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | |
| HSDPA 850 / 900 / 1700 / 1900 / 2100 | HSDPA 2100 |
| 4G Network | |
| LTE 700 (region specific) | - |
| Messaging | |
| SMS, MMS, IM | SMS, MMS, Push Mail, EMail, IM |
Display
Hardware and OS
| OS | |
| Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.0 (Ice Cream Sandwich) |
| Processor | |
| Dual-core 1.2GHz Cortex-A9 CPU, TI OMAP 4460 chipset [Similar] | Dual-core 1.2 GHz [Similar] |
| GPU | |
| No [Similar] | - |
| RAM | |
| 1 GB [Browse Similar] | 512 MB [Browse Similar] |
| Internal Memory | |
| 16/32 GB storage | 4 GB |
| External Memory | |
| No | microSD, up to 32 GB |
Camera
Multimedia
| 3.5mm Jack | |
| Radio | |
| No | No |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
Connectivity and Data Rate
| GPRS | |
| Yes | Yes |
| Edge | |
| Yes | Yes |
| 3G | |
| HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE | HSDPA, 7.2 Mbps |
| Bluetooth | |
| Yes, v3.0 with A2DP | Yes, v2.1 with A2DP |
| Wi-Fi | |
| Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n |
| USB | |
| Yes, v2.0 microUSB | Yes, microUSB v2.0 |
| GPS | |
| Yes, with A-GPS support, barometer sensor | Yes, with A-GPS support |
| Browser | |
| HTML | HTML |
User Memory
| Internal | |
| 16/32GB storage, 1 GB RAM | 4 GB, 512 MB RAM |
| Expandable Storage | |
| No | microSD, up to 32 GB |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| NFC | |
Battery
| Type | |
| Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | |
| 1750 mAh | 1800 mAh |
| Stand by | |
| Up to 290 h (2G) Up to 270 h (3G) |
Up to 200 h |
| Talk Time | |
| Up to 17 h 40 min (2G) Up to 8 h 20 min (3G) |
Up to 5 h |