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| Phone | Nokia Lumia 521 / 520 | Samsung Galaxy Note 3 (CDMA) | Samsung Jack i637 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
5.7" diag. 16 : 9 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~386 ppi) AMOLED |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,430 mAh | 3,200 mAh | 1,480 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 2.3 GHz Qualcomm Snapdragon 800 | ? |
| RAM | 512 MB | 3 GB | ? |
| Storage | 8 GB | 32 GB | ? raw hardware |
| Main Camera | 5 megapixel | 13 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | 4K UHD | ? |
| Front Camera | - | 2 megapixel | - |
| Weight |
4.39 oz (124g) |
5.93 oz (168g) |
3.6 oz (102g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.95" x 3.12" x 0.33" (151 x 79 x 8.4 mm) |
4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm) |
| Platform / OS | Windows | Android | Windows Mobile Standard |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSPA+ 21 | LTE (Cat 4) | HSDPA 3.6 |
| Features | |||
| Flashlight | - | Yes | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - |
| NFC | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Stylus | - | Yes | - |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Photo & Video | |||
| DLNA | - | Yes | - |
| Miracast | - | Yes | - |
| TV Output | - | Yes | - |
| Voice | |||
| HD Voice | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Nokia Lumia 521 / 520 | Samsung Galaxy Note 3 (CDMA) | Samsung Jack i637 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Samsung Galaxy Note 3 (CDMA) | Samsung Jack i637 |
