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Dell Aero |
Lenovo S939 |
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| Manufacturer | Dell | Lenovo |
| Announced | March 2010 | February 2014 |
| Status | Available - August 2010 | Available - February 2014 |
| Colors | Black | Black, White |
| Form Factor | Candybar | Candybar |
| Dimension |
122 x 57.9 x 11.7 mm, 68.6 cc (4.8 x 2.28 x 0.46 in, 2.7 cc) |
170 x 86.5 x 8.65 mm (6.69 x 3.41 x 0.34 in) |
| Weight | 104 g (3.67 oz) | 180 g (6.35 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v1.5 (Cupcake), upgradable | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Marvell PXA310 624 MHz [Similar] | Octa-core 1.7 GHz, Mediatek MT6592 [Similar] |
| GPU | Mali-450MP4 [Similar] | |
| RAM | N/A | 1 GB [Browse Similar] |
| Internal Memory | N/A | 8 GB ROM |
| External Memory | microSD, up to 32GB, 2GB included | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | IPS LCD Capacitive Touchscreen, OGS |
| Colors | 256K colors | 16M colors |
| Size | 3.5 inches [Similar] | 6.0 inches [Similar] |
| Resolution | 360 x 640 pixels (210 ppi) | 720 x 1280 pixels (245 ppi) [Similar] |
| Screen-to-Body Ratio | 47.72% | 67.36% |
| Multi-Touch | ![]() |
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| 3.5mm Jack | ![]() |
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| Radio | No | FM Radio with Recording |
| Games | Yes | Yes + Downloadable |
| Loud Speaker | ![]() |
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| Rear Camera | 5 MP, 2592х1944 pixels [Similar] | 8 MP, 3264x2448 pixels [Similar] |
| Flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization |
| Video | Yes, CIF@30fps | Yes, 1080p@30fps |
| Front Camera | No [Similar] | Yes, 1.6 MP [Similar] |
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| GPRS | Class 10 (4+1/3+2 slots), 32 - 48 kbps | Yes |
| Edge | Class 10, 236.8 kbps | Yes |
| 3G | HSDPA 3.6 Mbps | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps |
| Bluetooth | Yes v2.0 with A2DP | Yes, v4.0 |
| Wi-Fi | Wi-Fi 802.11 b/g | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, miniUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML, Adobe Flash Lite | HTML5 |
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| Internal | 8 GB ROM, 1 GB RAM | |
| Expandable Storage | microSD, up to 32GB, 2GB included | 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 |
| Capacity | 1000 mAh | 3000 mAh |
| Stand by | Up to 400 h | - |
| Talk Time | Up to 5 h | - |