Microsoft Lumia 950 XL vs Alcatel Idol 4S Windows
| Type | Touch | Touch |
| Dimensions | 151.90 x 78.40 x 8.10 mm | 153.90 x 75.40 x 6.99 mm |
| Weight | 165.00 g | 152.00 g |
| Display size | 5.70" | 5.50" |
| Display | Color / AMOLED 16M colors 1440 x 2560 px (5.70") 515 ppi | Color / AMOLED 16M colors 1080 x 1920 px (5.50") 401 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 | Asahi Dragontrail Buy screen protector
|
| Additional display |  | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 1500 min. (25.0 h) 3G: 1140 min. (19.0 h) | 2G: 780 min. (13.0 h) 3G: 800 min. (13.3 h) |
| Stand-by (max.) | 2G: 288 h. (12.0 days) | 2G: 420 h. (17.5 days) 3G: 420 h. (17.5 days) |
| Playback time (max.) | Audio: 75 h (3.1 days) Video: 11 h (0.5 days) | nd |
| Internet browsing time (max.) | WiFi: 11 h (0.5 days) | nd |
| Standard battery | Li-Ion 3340 mAhBuy powerbank
| Li-Ion 3000 mAhBuy powerbank
|
| Quick battery charging | Fast Charging | Quick Charge |
| Wireless battery charging | Qi | |
| Internal memory | 32 GB | 64 GB |
| RAM memory | 3 GB | 4 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 200 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card |
| Operating system | MS Windows 10 Mobile | Windows 10 |
| Processor | Qualcomm Snapdragon 810 8994 | Qualcomm Snapdragon 820 8996 |
| Processor clock | 2000 MHz | 2200 MHz |
| GPU | Adreno 430 @650 MHz | Adreno 530 @650-736 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | SingleSIM(nanoSIM) |  |
| Announced | 4Q 2015 | 4Q 2016 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 1700 1900 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2300 | FDD LTE: 1900, 1700, 700 |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 20 Mpx | 21 Mpx |
| Resolution | 4992x3744 px | |
| Optical zoom | | |
| Flash | 3x LED | 2x LED |
| Dual-colour LED flash | | 1+1 |
| Video resolution | 3840x2160 px | 3840x2160 px |
| Video formats | H.263, H.264, H.265, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | AF, OIS, f/1.9 | AF |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 5 Mpx | 8 Mpx |
| Resolution | 2592x1944 px | 3264x2448 px |
| Optical zoom | | |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video formats | H.263, H.264, H.265, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | - | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | 42.20 Mbit/s | |
| HSUPA | 5.76 Mbit/s | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | - | |
| LTE UP | 51.00 Mbit/s | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.1 | v4.1 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac | v802.11 a/b/g/n/ac |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v3.1 | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | 2 |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AMR | AAC, AAC+, AMR, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |