Phone Comparison - BlackBerry Curve 9320 vs Panasonic T31 vs Nokia Asha 503 Dual SIM
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| Manufacturer | BlackBerry | Panasonic | Nokia |
| Announced | May 2012 | October 2013 | October 2013 |
| Status | Available - May 2012 | Available - November 2013 | Coming Soon - Q4 2013 |
| Colors | Black | Bluish Black, Pure White | Yellow, black, green, red, blue, white |
| Form Factor | QWERTY | Candybar | Candybar |
| Dimension |
109 x 60 x 12.7 mm (4.29 x 2.36 x 0.5 in) |
122 x 64.4 x 11.95 mm (4.8 x 2.54 x 0.47 in) |
102.6 x 60.6 x 12.7 mm (4.04 x 2.39 x 0.5 in) |
| Weight | 103 g (3.63 oz) | 120 g (4.23 oz) | 111.4 g (3.92.0.14 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | Tri-Band HSDPA | HSDPA 850 / 1900 / 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | BlackBerry OS | Android OS, v4.2.2 (Jelly Bean) with FOTA upgrade | Nokia Asha software platform 1.2 |
| Processor | Dual-core 1.3 GHz, MTK 6572 | - | |
| GPU | Mali-400 | - | |
| RAM | 512 MB | 512 MB | 64 MB |
| Internal Memory | 512 MB ROM | 4 GB (1.9 GB user memory) | N/A |
| External Memory | microSD, up to 32GB | microSD, up to 32 GB | microSD, up to 32 GB, 4 GB card included |
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| Type | TFT | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 65K colors | 16M colors | 256K colors |
| Size | 2.44 inches | 4.0 inches | 3.0 inches |
| Resolution | 320 x 240 pixels (164 ppi) | 480 x 800 pixels (233 ppi) | 240 x 320 pixels (133 ppi) |
| Screen-to-Body Ratio | 28.17% | 58.08% | 45.05% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM Radio with Recording | Stereo FM radio |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3.15 MP, 2048x1536 pixels | 3.2 MP, 2048x1536 pixels | 5 MP, 2592x1944 pixels |
| Flash | LED flash | No | LED flash |
| Features | Geo-tagging, Image Stabilization | Fixed Focus, Geo-tagging | - |
| Video | Yes | Yes, VGA@30fps | Yes, QVGA@15fps |
| Front Camera | No [Similar] | Yes, VGA [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Up to 85.6 kbps |
| Edge | Yes | Yes | Up to 236.8 kbps |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v2.1 with A2DP | Yes, v4.0 with A2DP | Yes, v3.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | No |
| Browser | HTML | HTML5 | WAP 2.0/xHTML |
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| Internal | 512 MB ROM, 512 MB RAM | 4 GB (1.9 GB user memory), 512 MB RAM | 64 MB RAM |
| Expandable Storage | microSD, up to 32GB | microSD, up to 32 GB | microSD, up to 32 GB, 4 GB card included |
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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 (BL-4U) |
| Capacity | 1450 mAh | 1300 mAh | 1200 mAh |
| Stand by | Up to 432 h | Up to 510 h (2G) Up to 400 h (3G) |
Up to 480 h (2G) Up to 480 h (3G) |
| Talk Time | Up to 7 h | Up to 3 h 30 min (2G) Up to 9 h 30 min (3G) |
Up to 12 h (2G) Up to 4 h 30 min (3G) |
