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| Manufacturer | Dell | Dell | Dell |
| Announced | October 2010 | October 2013 | October 2014 |
| Status | Available - November 2010 | Available - October 2013 | Available - October 2014 |
| Price | - | - | Rs. 17,500 ($242.99) [Similarly Priced] |
| Colors | Black | Black | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
122 x 63.5 x 15.2 mm (4.8 x 2.5 x 0.6 in) |
212 x 130 x 9.8 mm (8.35 x 5.12 x 0.39 in) |
6 mm thick (0.24 in thick) |
| Weight | 192.8 g (6.77.0.28 oz) | 292 g (10.3 oz) | 310 g (10.93 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 1700 / 2100 | HSDPA 900 / 2100 | HSDPA |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Microsoft Windows Phone 7 | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | 1 GHz Scorpion, Qualcomm QSD8250 Snapdragon | Dual-core 2 GHz, Intel Atom Z2580 | Quad-core, Intel Atom Z3500 series |
| GPU | Adreno 200 | - | PowerVR G6430 |
| RAM | 512 MB | 2 GB | 2 GB |
| Internal Memory | 8/16 GB storage | 16/32 GB | 16 GB |
| External Memory | microSD, up to 32 GB (not user accessible) | microSD, up to 32 GB | microSD |
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| Type | AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen | OLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.1 inches | 8.0 inches | 8.4 inches |
| Resolution | 480 x 800 pixels (228 ppi) | 800 x 1280 pixels (189 ppi) | 1600 x 2560 pixels (359 ppi) |
| Screen-to-Body Ratio | 61.52% | 67.11% | - |
| Multi-Touch | ![]() |
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| 3.5mm Jack | ![]() |
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| Radio | Stereo FM radio with RDS | No | No |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | ![]() |
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| Rear Camera | 5 MP, 2592x1944 pixels | 5 MP, 2592 x 1944 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | No | No |
| Features | Auto focus, Geo-tagging | Geo-tagging | Auto focus, Intel RealSense 3D Technology (2 X 720p Cameras) |
| Video | Yes, 720p | Yes | Yes |
| Front Camera | No [Similar] | Yes, 2 MP [Similar] | 2 MP [Similar] |
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| GPRS | Class 10 (4+1/3+2 slots), 32 - 48 kbps | Yes | Yes |
| Edge | Class 10, 236.8 kbps | Yes | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSPA+ | HSPA+ |
| Bluetooth | Yes v2.1 with A2DP | Yes, v4.0 | Yes |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Yes |
| USB | Yes, v2.0 microUSB | Yes, microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS |
| Browser | HTML | HTML | HTML |
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| Internal | 8/16 GB storage, 512 MB RAM | 16/32 GB, 2 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB (not user accessible) | microSD, up to 32 GB | microSD |
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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 | Non-removable Li-Ion Battery (15.5 Wh) | - |
| Capacity | 1400 mAh | 4100 mAh | 5900 mAh |
| Stand by | - | - | |
| Talk Time | Up to 7 h | - | - |