Phone Comparison - BlackBerry Curve 8520 vs Huawei Ascend Y300 vs Samsung Galaxy Trend II Duos S7572
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| Manufacturer | BlackBerry | Huawei | Samsung |
| Announced | July 2009 | March 2013 | April 2013 |
| Status | Available - August 2009 | Available - March 2013 | Available - May 2013 |
| Colors | Black | Black, White | White, Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
109 x 60 x 13.9 mm
(4.29 x 2.36 x 0.55 in ) |
124 x 63.8 x 11.2 mm (4.88 x 2.51 x 0.44 in) |
121.5 x 63.1 x 11.1 mm (4.78 x 2.48 x 0.44 in) |
| Weight | 106 g (3.74 oz) | 130 g (4.59 oz) | 128.5 g (4.52.0.18 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 2100 | |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | BlackBerry OS | Android OS, v4.1 (Jelly Bean) | Android OS, v4.1 (Jelly Bean) |
| Processor | 512MHz | 1 GHz Dual-core Cortex-A5, Qualcomm MSM8225 Snapdragon | Dual-core 1.2 GHz |
| GPU | Adreno 203 | - | |
| RAM | N/A | 512 MB | 512 MB |
| Internal Memory | 256 MB | 4 GB | 4 GB |
| External Memory | microSD, up to 32GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 65K colors | 16M colors | 16M colors |
| Size | 2.46 inches | 4.0 inches | 4.0 inches |
| Resolution | 320 x 240 pixels (163 ppi) | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 28.52% | 57.68% | 59.52% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio | No |
| Games | Yes + downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 2 MP, 1600x1200 pixels | 5 MP, 2592x1944 pixels | 3.15 MP, 2048x1536 pixels |
| Flash | No | LED flash | No |
| Features | Auto focus, Geo-tagging | - | |
| Video | Yes, QVGA | Yes, 480p@30fps | Yes |
| Front Camera | No [Similar] | Yes, VGA [Similar] | No [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 | No | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v2.0 with A2DP | Yes, 2.1 with A2DP | Yes, v3.0 |
| Wi-Fi | Wi-Fi 802.11b/g | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | No | Yes, with A-GPS support | Yes |
| Browser | HTML | HTML | HTML |
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| Internal | 256 MB | 4 GB, 512 MB RAM | 4 GB, 512 MB RAM |
| Expandable Storage | microSD, up to 32GB | 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 | 1150 mAh | 1730 mAh | 1500 mAh |
| Stand by | Up to 408 h | Up to 320 h (2G) Up to 320 h (3G) |
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| Talk Time | Up to 4 h 30 min | Up to 5 h (2G) Up to 5 h (3G) |
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