Phone Comparison - BlackBerry 9720 vs BlackBerry Z20 vs Microsoft Lumia 640 LTE
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| Manufacturer | BlackBerry | BlackBerry | Microsoft |
| Announced | August 2013 | Expected Announcement - Q1 2015 | March 2015 |
| Status | Available - August 2013 | Rumored - Q2 2015 | Available - April 2015 |
| Price | - | - | Rs. 7,999 ($117.63) [Similarly Priced] |
| Colors | Black, White, Purple, Blue, Pure Pink | Black, White | Yes |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
114 x 66 x 12 mm (4.49 x 2.6 x 0.47 in) |
9.5 mm thickness (0.37 in thickness) |
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
| Weight | 120 g (4.23 oz) | - | 145 g (5.11 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA | HSDPA 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | - | LTE | LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | BlackBerry OS 7.1 | BlackBerry 10.3 OS | Microsoft Windows Phone 8.1 with Lumia Denim |
| Processor | 806 MHz Tavor MG1 | Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon S4 | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 |
| GPU | - | Adreno 225 | Adreno 305 |
| RAM | 512 MB | 2 GB | 1 GB |
| Internal Memory | 512 MB ROM | 16 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 128 GB |
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| Type | IPS capacitive touchscreen | Capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 2.8 inches | 5.0 inches | 5.0 inches |
| Resolution | 480 x 360 pixels (214 ppi) | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 32.35% | - | 67.43% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 8 MP, 3264 x 2448 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Geo-tagging, Image Stabilization | Auto focus, Geo-tagging | Auto focus, 1/4'' Sensor Size |
| Video | Yes | 1080p | 1080p@30fps |
| Front Camera | No [Similar] | 2 MP [Similar] | 1 MP, 720p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v2.1 with A2DP | v4.0, A2DP | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 512 MB ROM, 512 MB RAM | 16 GB, 2 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 128 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 | Li-Ion Battery | Non-removable Li-Ion Battery | Li-Ion Battery |
| Capacity | 1450 mAh | 2800 mAh | 2500 mAh |
| Stand by | Up to 432 h | - | Up to 864 h (2G) Up to 864 h (3G) |
| Talk Time | Up to 7 h | - | Up to 26 h 30 min (2G) Up to 17 h 30 min (3G) |
