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| Phone | Microsoft Lumia 640 | Samsung Vibrant (Galaxy S) | HTC Windows Phone 8S |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
5" diag. 16 : 9 |
4" diag. 5 : 3 |
4" diag. 5 : 3 |
| Display Resolution & Type |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 2,500 mAh | 1,500 mAh | 1,700 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) | 1 GHz Samsung Hummingbird Cortex A8 | 1 GHz Qualcomm Snapdragon S4 |
| RAM | 1 GB | ? | 512 MB |
| Storage | 8 GB | 16 GB | 4 GB |
| Main Camera | 8 megapixel | 5 megapixel | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 1080p HD | 720p HD | 720p HD |
| Front Camera | 1 megapixel | - | - |
| Weight |
5.11 oz (145g) |
4.16 oz (118g) |
3.99 oz (113g) |
| Dimensions |
5.56" x 2.84" x 0.35" (141 x 72 x 8.9 mm) |
4.82" x 2.54" x 0.39" (122 x 65 x 9.9 mm) |
4.74" x 2.48" x 0.4" (121 x 63 x 10.3 mm) |
| Platform / OS | Windows | Android | Windows |
| Network Bands |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 4) | HSPA 7.2 | HSPA+ 21 |
| Features | |||
| Flashlight | - | - | Yes |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | Yes | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes |
Yes 4 (802.11 b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Music | |||
| FM Radio | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Photo & Video | |||
| DLNA | Yes | Yes | - |
| Miracast | Yes | - | - |
| Voice | |||
| HD Voice | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes |
| Microsoft Lumia 640 | Samsung Vibrant (Galaxy S) | HTC Windows Phone 8S | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Microsoft Lumia 640 | Samsung Vibrant (Galaxy S) | HTC Windows Phone 8S |
