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| Phone | Samsung SGH-X640 | ZTE Blade Z Max | ZTE Blade Spark | Samsung SGH-X820 | Nokia 8265 / 8265i |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
6" diag. 16 : 9 |
5.5" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
83 x 47 pixels |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | 800 mAh | 4,080 mAh | 3,140 mAh | 650 mAh | 1,000 mAh |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | ? | ? |
| RAM | ? | 2 GB | 2 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 16 megapixel | 13 megapixel | 2 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 1080p HD | ? | - |
| Front Camera | - | 8 megapixel | 5 megapixel | - | - |
| Weight |
3 oz (85g) |
6.58 oz (186g) |
6.12 oz (173g) |
2.33 oz (66g) |
3.8 oz (108g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
6.14" x 3.06" x 0.38" (156 x 78 x 9.7 mm) |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
4.21" x 1.88" x 0.87" (107 x 48 x 22.1 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
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| Data Technology | GPRS | LTE (Cat 6) | LTE (Cat 4) | EDGE | - |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | Yes | - | - |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - | - |
| Alerts | |||||
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | - |
| USB | - |
Yes USB Type C |
Yes USB Type C |
Yes | - |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | - |
| Customization | |||||
| Changeable Body Plates | - | - | - | - | Yes |
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | n/a | Yes | - |
| Data & Network | |||||
| External Antenna Jack | - | n/a | n/a | Yes | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes * |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | Yes | - |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes | Yes |
| MMS | Yes | n/a | n/a | Yes | - |
| Text Messaging Templates | Yes | n/a | n/a | Yes | - |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | Yes | n/a | n/a | Yes | - |
| Voice Memo | Yes | n/a | n/a | Yes | - |
| Software | |||||
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes | - |
| Voice | |||||
| HD Voice | - | Yes | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| Samsung SGH-X640 | ZTE Blade Z Max | ZTE Blade Spark | Samsung SGH-X820 | Nokia 8265 / 8265i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | ZTE Blade Z Max | ZTE Blade Spark | Samsung SGH-X820 | Nokia 8265 / 8265i |
