Nokia Lumia 635 vs Microsoft Lumia 950 vs Microsoft Lumia 950 XL

BASIC INFO
Model No RM-974 (Global); RM-975 (USA) - Lumia 950 XL
Status Discontinued Release 2015, November Available
Release Date 2014, April 2015, October 2015, November
Dimension 129.5 x 66.7 x 9.2 mm, 78.5 cc (5.10 x 2.63 x 0.36 in) 145 x 73.2 x 8.2 mm (5.71 x 2.88 x 0.32 in) 151.9 x 78.4 x 8.1 mm (5.98 x 3.09 x 0.32 in)
Weight 134 g (4.73 oz) 150 g (5.29 oz) 165 g (5.82 oz)
Colors Orange, yellow, white, black black, white black, white gray, blue, orange, blue and green
Body Metrial - - Metal body
W & D Proof - - -
SIM Type Micro-SIM - Singal Sim,Nano Sim
Technology GSM / HSPA / LTE - GSM/HSPA/LTE
OS Microsoft Windows Phone 8.1 Microsoft Windows Phone10 Microsoft Windows Phone10
PROSESSING
Processor Quad-core 1.2 GHz Cortex-A7 Qualcomm Snapdragon 808, Dual core 1.82 GHz CortexA53, Quad core 1.44 GHz CortexA57 Adreno 418 Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
Chipset Qualcomm Snapdragon 400 - Qualcomm MSM8994 Snapdragon 810
GPU Adreno 305 - Adreno 430
MEMORY
RAM 512MB - 3 GB
Storage 8GB - 32 GB
Card Slot up to 128 GB (dedicated slot) 32GB Storage, 3GB RAM, microSD, up to 64 GB card slot microSD, up to 256 GB card slot
DISPLAY
Size 4.5 inches 1440 x 2560 pixels, 5.2 inches 5.7 inches, 88.5 cm2 (~74.3% screen-to-body ratio)
Type TFT capacitive touchscreen, 16M colors Super AMOLED LCD capacitive touchscreen, 16M colors Super AMOLED LCD capacitive touchscreen, 16M colors
Resolation 480 x 854 pixels - 1440 x 2560 pixels, 16:9 ratio
PPI 221 ppi pixel density - (~518 ppi density)
Multi touch Yes - Yes
Protection Corning Gorilla Glass 3, ClearBlack display - Corning Gorilla Glass 4
CAMERA
Primary 5 MP 20 MP, 4992 х 3744 pixels, Carl Zeiss optics, optical image stabilization, autofocus, triple-LED RGB flash 20 Mega pixels, optical image stabilization, autofocus, triple-LED flash, Geo-tagging, touch focus, face detection, panorama, HDR
Video Yes, 720p@30fps 2160p@30fps, optical stabilization, stereo sound rec. Yes, 2160p@25fps, 1080p@30fps
Flash - - LED
Features 1/4 sensor size, geo-tagging, panorama - Geo-tagging, face detection, panorama, HDR, PureView
Selfie No Yes, 5MP 1080p 5 MP, f/2.4, 1080p
BATTERY
Battery Li-Ion Li-Ion 3000 mAh battery Li-Ion battery
Capacity 1830 mAh - 3340 mah
Removable Yes - Removable
StandBy Up to 648 h - Up to 288 h (2G) / Up to 288 h (3G)
Talk Time Up to 12 h (2G) / Up to 14 h (3G) - Up to 25 h (2G) / Up to 19 h (3G)
Music Play Up to 58 h - Up to 75 h
Browsing - - Yes
Video Playback - - -
F Charging - - -
W Charging - - Qi wireless charging (market dependent)
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 2100 - RM-974
HSDPA 850 / 1700 / 1900 / 2100 - RM-975
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 3(1800), 7(2600), 20(800) - RM-974
LTE band 2(1900), 4(1700/2100), 5(850), 7(2600), 17(700) - RM-975
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 40(2300) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 20(800), 28(700), 38(2600), 40(2300)
Speed HSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps - HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot
BlueTooth v4.0, A2DP, LE/ apt-X after WP8 Denim update Yes, v4.0 with A2DP Yes, v4.0 with A2DP
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS, Beidou
NFC No - Yes
Audio jeck Yes, 3.5mm - Yes
OTHERS
Sensors Accelerometer, sensor core - Iris scanner, accelerometer, gyro, proximity, compass, barometer, sensor core
Radio FM radio FM radio FM radio
SARUS 0.97 W/kg (head), 0.77 W/kg (body) - -
SAREU 0.75 W/kg (head), 0.79 W/kg (body) - -
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