Microsoft Lumia 940 vs Samsung Galaxy Tab 4 8.0 LTE vs Apple IPad Mini Retina Display (mini 2) Wi-Fi

BASIC INFO
Model No - Samsung T331, Galaxy Tab4 8.0 3G A1490 Only Wi-Fi and A1491 Mini 2 Wi-Fi + Cellular
Status release 2015, Q2 Available Available release 2013, November
Release Date 2015, April Released 2014, June Released 2013, November
Dimension 157 x 71 x 8.9mm 210 x 123 x 8 mm (8.27 x 4.84 x 0.31 in) 200 x 134.7 x 7.5 mm (7.87 x 5.30 x 0.30 in)
Weight 149 g (5.26 oz) 320 g (11.29 oz) 331 g / 341 g (Wi-Fi + Cellular)
Colors Yellow, white, black, red Black, White Space Gray/Black, Silver/White
Body Metrial - - -
W & D Proof - - -
SIM Type - Micro-SIM Nano-SIM
Technology - GSM / HSPA GSM/CDMA/HSPA/EVDO/LTE
OS Microsoft Windows Phone 10 Android OS, v4.2 (Jelly Bean) iOS 7, upgradable to iOS 9.2.1
PROSESSING
Processor Dual-core 1.82 GHz Cortex-A57 & quad-core 1.44 GHz Cortex-A53, Qualcomm MSM8992 Snapdragon 808, Adre Quad-core 1.2 GHz Dual-core 1.3 GHz Cyclone (ARM v8-based)
Chipset - Qualcomm Snapdragon 400 Apple 7
GPU - Adreno 305 PowerVR G6430 (quad-core graphics)
MEMORY
RAM - 1.5 GB 1GB RAM
Storage - 16GB 16/32/64/128GB
Card Slot 32 GB Storage, 3 GB RAM, microSD, up to 128 GB card slot microSD, up to 64 GB No
DISPLAY
Size 1440 x 2560 pixels, 5.2 inches 8.0 inches 7.9 inches
Type Super Amoled capacitive touchscreen, 16M colors TFT capacitive touchscreen, 16M colors LED-backlit IPS LCD capacitive touchscreen, 16M colors
Resolation - 800 x 1280 pixels 1536 x 2048 pixels
PPI - 189 324 ppi pixel density
Multi touch - Yes Yes
Protection - - Oleophobic coating
CAMERA
Primary 24 MP, 5248 x 3936 pixels, autofocus, LED flash 3.15 MP, 2048 x 1536 pixels 5 MP, 2592x1944 pixels,
Video Yes, 720p@30fps Yes, 480p@30fps Yes, 1080p@30fps, video stabilization
Flash - No No
Features - Geo-tagging autofocus with Geo-tagging, touch focus, face detection features.
Selfie Yes 5 MP Yes, 1.3 MP Yes, 1.2 MP, 720p@30fps, face detection, FaceTime over Wi-Fi or Cellular
BATTERY
Battery Non-removable 3000 mAh battery Li-Po battery Non-removable Li-Po battery
Capacity - 4450 mAh 6470 mAh
Removable - Non-removable Non-removable
StandBy - Up to 132 h Up to 300 h
Talk Time - Up to 10 h Up to 10 h
Music Play - Up to 141 h Up to 30 h
Browsing - Up to 11 h Up to 9 h
Video Playback - Up to 8 h Up to 10 h
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
CDMA 800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
CDMA2000 1xEV-DO
4G Network LTE LTE band 3(1800), 7(2600), 8(900), 20(800)
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850) - A1490
LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 38(2600), 39(
Speed - HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps, EV-DO Rev.A 3.1 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band
BlueTooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP Yes, v4.0 with A2DP, EDR, LE
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB Host Yes, v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS
NFC - Yes Yes
Audio jeck - 3.5 mm Jack 3.5 mm jack
OTHERS
Sensors - Accelerometer Accelerometer, gyro, compass
Radio FM radio TBD No
SARUS - - 1.19 W/kg (body)
SAREU - - 0.99 W/kg (body)
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