Compare Phones
Maximum number of phones selected. Remove a phone to compare others.
![]() |
![]() |
![]() |
|
| Phone | Samsung SGH-X400 | Apple iPhone 4 (GSM) | Samsung Galaxy Note20 Ultra |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
6.9" diag. 19.5 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
1440 x 3088 pixels (~494 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 120 Hz |
| Battery | 620 mAh | ? | 4,500 mAh |
| Processor | ? | Apple A4 | 3.1 GHz Qualcomm Snapdragon 865+ |
| RAM | ? | ? | 12 GB |
| Storage | ? raw hardware | 32 GB * | 128 GB * |
| Main Camera | - | 5 megapixel | 108 megapixel |
| Wide Camera | - | - | 12 megapixel |
| Tele Camera | - | - | 12 megapixel |
| Video Capture | - | 720p HD | 8K |
| Front Camera | - | Yes | 10 megapixel |
| Weight |
3.17 oz (90g) |
4.8 oz (136g) |
7.34 oz (208g) |
| Dimensions |
3.39" x 1.81" x 0.8" (86 x 46 x 20.3 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
6.49" x 3.04" x 0.32" (165 x 77 x 8.1 mm) |
| Form Factor | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | iOS | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 12, 25, 41, 66, 71, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 46, 48, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | HSPA 7.2 | NR (5G) |
| Features | |||
| Barometer | - | - | Yes |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
| Flashlight | - | - | Yes |
| GPS / Location | - | n/a | n/a |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||
| Adjustable Text Size | - | n/a | n/a |
| Hearing Aid Compatible | - | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Connectivity | |||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | Yes | - | - |
| Mobile Hotspot | - | n/a | n/a |
| NFC | - | - | Yes |
| USB | - | Yes |
Yes USB Type C |
| UWB | - | - | Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | |||
| Picture ID | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | n/a |
| Voice Dialing | - | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a |
| Data & Network | |||
| Data Tethering | - | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Stylus | - | - | Yes |
| Touch Screen | - | Yes | Yes |
| Memory | |||
| Memory Card Slot | - | - | Yes |
| Messaging | |||
| Email Client | - | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a |
| MMS | - | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| FM Radio | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | - | n/a | n/a |
| Stereo Speakers | - | - | Yes |
| Photo & Video | |||
| TV Output | - | Yes | Yes |
| Power | |||
| Fast Charging | - | - | Yes |
| Wireless Charging | - | - | Yes |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | Yes | n/a | n/a |
| Voice Memo | - | n/a | n/a |
| Software | |||
| Games | Yes | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a |
| Voice | |||
| HD Voice | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a |
| Speaker Phone | - | Yes | Yes |
| * Some versions only | |||
| Samsung SGH-X400 | Apple iPhone 4 (GSM) | Samsung Galaxy Note20 Ultra | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
![]() |
![]() |
![]() |
|
| Phone | Samsung SGH-X400 | Apple iPhone 4 (GSM) | Samsung Galaxy Note20 Ultra |











