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| Phone | Nokia Lumia 635 (CDMA) | Samsung Galaxy S6 (CDMA) | Nokia 2600 | Samsung SGH-E640 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
5.1" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
128 x 128 pixels LCD (Color) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 1,830 mAh | 2,550 mAh | 820 mAh | 800 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) | 2.1 GHz Samsung Exynos | ? | ? |
| RAM | 512 MB | 3 GB | ? | ? |
| Storage | 8 GB | 32 GB * | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | 16 megapixel | - | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | 4K UHD | - | QCIF (176 x 144) |
| Front Camera | - | 5 megapixel | - | - |
| Weight |
4.73 oz (134g) |
4.87 oz (138g) |
3.33 oz (94g) |
3.17 oz (90g) |
| Dimensions |
5.1" x 2.63" x 0.36" (130 x 67 x 9.1 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
4.24" x 1.81" x 0.8" (108 x 46 x 20.3 mm) |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | Windows | Android | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 25, 26, 41 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | LTE (Cat 4) | - | GPRS |
| Features | ||||
| Fingerprint Reader | - | Yes | - | - |
| Flashlight | - | Yes | - | - |
| GPS / Location | n/a | n/a | - | - |
| VR-ready | - | Yes | - | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | - | Yes | - | - |
| MirrorLink | - | Yes | - | - |
| Mobile Hotspot | n/a | n/a | - | - |
| NFC | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
- | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | n/a | n/a | - | Yes |
| Ringer ID | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | - | - |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | n/a | n/a | - | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | - | Yes |
| Data & Network | ||||
| Data Tethering | n/a | n/a | - | - |
| WAP / Web Browser | n/a | n/a | - | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | - | - | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | Yes |
| EMS / Picture Messaging | n/a | n/a | - | Yes |
| Instant Messaging | n/a | n/a | - | - |
| MMS | n/a | n/a | - | Yes |
| Text Messaging Templates | n/a | n/a | - | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | - | Yes |
| Photo & Video | ||||
| DLNA | Yes | Yes | - | - |
| Miracast | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Wireless Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | - | Yes |
| Voice Memo | n/a | n/a | - | Yes |
| Software | ||||
| Games | n/a | n/a | Yes | Yes |
| Java (J2ME) | n/a | n/a | - | Yes |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Nokia Lumia 635 (CDMA) | Samsung Galaxy S6 (CDMA) | Nokia 2600 | Samsung SGH-E640 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 635 (CDMA) | Samsung Galaxy S6 (CDMA) | Nokia 2600 | Samsung SGH-E640 |
