Phone Comparison - Micromax A116 Canvas HD vs Karbonn A21 vs Karbonn A21+
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| Manufacturer | Micromax | Karbonn | Karbonn |
| Announced | January 2013 | 2012 | June 2013 |
| Status | Available - February 2013 | Available | Available - July 2013 |
| Colors | Black, White | Pearl White | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
144 x 74 x 10.7 mm (5.67 x 2.91 x 0.42 in) |
- | - |
| Weight | 156 g (5.5 oz) | - | - |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 2100 | HSDPA 2100 | HSDPA 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - | Touch and Swipe Gestures |
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| OS | Android OS, v4.1 (Jelly Bean), planned upgrade to v4.2 (Jelly Bean) | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.2 (Jelly Bean) |
| Processor | Quad-core 1.2 GHz Cortex-A7, MediaTek MT6589 | Dual-core 1.2 GHz | Dual-core 1 GHz, MTK 6577 |
| GPU | PowerVR SGX544 | - | PowerVR SGX531 |
| RAM | N/A | 512 MB | 512 MB |
| Internal Memory | 4 GB storage, 1 GB | 4 GB | 4 GB (2.1 GB User Memory) |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | TFT capacitive touchscreen | TFT Capacitive Touchscreen |
| Colors | 16M colors | 256K colors | 16M colors |
| Size | 5.0 inches | 4.5 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 480 x 800 pixels (207 ppi) | 480 x 854 pixels (196 ppi) |
| Screen-to-Body Ratio | 64.55% | - | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | No | FM radio; FM recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 5 MP, 2592х1944 pixels | 5 MP, 2592х1944 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Face Detection | Auto focus, Geo-tagging, Touch Focus |
| Video | Yes | Yes | Yes, 720p |
| Front Camera | Yes, 2 MP [Similar] | Yes, 1.3 MP [Similar] | Yes [Similar] |
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| GPRS | Yes | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps |
| Edge | Yes | Yes | Class 12 |
| 3G | HSDPA, 42 Mbps, HSUPA 5.76 Mbps | HSDPA, 7.2 Mbps | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v2.1 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 4 GB storage, 1 GB | 4 GB, 512 MB RAM | 4 GB (2.1 GB User Memory), 512 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Standard battery, Li-Ion | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2000 mAh | 1800 mAh | 2000 mAh |
| Stand by | Up to 174 h | Up to 200 h | Up to 240 h |
| Talk Time | Up to 5 h | Up to 5 h | - |
