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| Phone | Nokia Lumia 521 / 520 | Apple iPhone 3G | BlackBerry Bold 9700 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
3.5" diag. 5 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
480 x 360 pixels (~246 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,430 mAh | ? | 1,500 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? | ? |
| RAM | 512 MB | ? | ? |
| Storage | 8 GB | 16 GB * | ? raw hardware |
| Main Camera | 5 megapixel | 2 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | - | ? |
| Front Camera | - | - | - |
| Weight |
4.39 oz (124g) |
4.7 oz (133g) |
4.3 oz (122g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
4.52" x 2.44" x 0.49" (115 x 62 x 12.4 mm) |
4.29" x 2.36" x 0.56" (109 x 60 x 14.2 mm) |
| Platform / OS | Windows | iOS | BlackBerry OS |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSPA+ 21 | HSDPA 3.6 | HSDPA 3.6 |
| Features | |||
| Accessibility | |||
| Hearing Aid Compatible | Yes | - | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes * |
| Alerts | |||
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes |
Yes Classic Audio |
Yes Classic Audio |
| USB | Yes | Yes |
Yes Micro-USB |
| Wi-Fi | Yes |
Yes 802.11 b,g |
Yes 802.11 b,g |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen | Yes | Yes | - |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Nokia Lumia 521 / 520 | Apple iPhone 3G | BlackBerry Bold 9700 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Apple iPhone 3G | BlackBerry Bold 9700 |
