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| Phone | Samsung SPH-Z400 | Nokia N81 | ZTE Z221 | Nokia N8-00 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.9" diag. 4 : 3 |
2.4" diag. 4 : 3 |
2" diag. 4 : 3 |
3.5" diag. 16 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~150 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
360 x 640 pixels (~210 ppi) AMOLED |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,300 mAh | 1,050 mAh | 900 mAh | 1,200 mAh |
| Processor | ? | 369 MHz ARM 11 | ? | 680 MHz ARM 11 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | 8 GB * | 142 MB | 16 GB |
| Main Camera | 1 megapixel | 2 megapixel | Yes | 12 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | VGA (640 x 480) | QCIF (176 x 144) | 720p HD |
| Front Camera | - | - | - | Yes |
| Weight |
4.06 oz (115g) |
4.94 oz (140g) |
3.24 oz (92g) |
4.76 oz (135g) |
| Dimensions |
3.73" x 1.91" x 1" (95 x 49 x 25.4 mm) |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
4.47" x 2.32" x 0.51" (113 x 59 x 12.9 mm) |
| Form Factor | Clamshell | Slide | Clamshell | Slab |
| Platform / OS | (proprietary) | S60 (Symbian) | (proprietary) | Symbian^3 |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | EDGE | HSDPA 3.6 | HSPA 10.1 |
| Features | ||||
| GPS / Location | Yes | n/a | Yes | n/a |
| Ruggedized | Yes | - | - | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Ringer Profiles | - | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 802.11 b,g |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | - | n/a |
| Ringer ID | Yes | n/a | - | n/a |
| Voice Dialing | Yes | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | - | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes * | - | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | Yes | n/a |
| Instant Messaging | - | n/a | Yes | n/a |
| MMS | - | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| FM Transmitter | - | n/a | - | n/a |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | - | n/a |
| Stereo Speakers | Yes | Yes | - | - |
| Photo & Video | ||||
| TV Output | - | - | - | Yes |
| Video Calling | - | n/a | - | n/a |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | - | n/a | - | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | - | n/a |
| Push-To-Talk | Yes | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SPH-Z400 | Nokia N81 | ZTE Z221 | Nokia N8-00 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-Z400 | Nokia N81 | ZTE Z221 | Nokia N8-00 |
