Nokia Lumia 625 vs Microsoft Lumia 640 XL LTE Dual SIM vs Nokia Lumia 830

BASIC INFO
Model No - - Nokia Lumia 830 RM-984
Status Released 2013, August Release 2015, March Available. Released 2014, September
Release Date 2013, July 2015, March 2014, September
Dimension 133.3 x 72.3 x 9.2 mm, 87.6 cc (5.25 x 2.85 x 0.36 in) 157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in) 139.4 x 70.7 x 8.5 mm (5.49 x 2.78 x 0.33 in)
Weight 159 g (5.61 oz) 171 g 150 g (5.29 oz)
Colors Orange, Bright green, Yellow, Black and white Matte cyan, Orange, Black, Matte white, Glossy white Yellow, white, black, red
Body Metrial - - -
W & D Proof - - -
SIM Type - - Nano-SIM
Technology - - GSM / HSPA / LTE
OS Microsoft Windows Phone 8, upgradeable to WP8 Amber Microsoft Windows Phone 8.1 with Lumia Denim Microsoft Windows Phone 8.1
PROSESSING
Processor Dual-core 1.2 GHz Krait, Chipset Qualcomm MSM8930 Snapdragon and Adreno 305 GPU Qualcomm Snapdragon 400, Quad core 1.2 GHz cortex a7 Adreno 305 GPU Quad-core 1.2 GHz Cortex-A7
Chipset - - Qualcomm Snapdragon 400
GPU - - Adreno 305
MEMORY
RAM - - 1GB
Storage - - 16GB
Card Slot 8 GB, internal storage 512 MB RAM, microSD, up to 64 GB 8GB Storage, 1GB RAM, microSD, up to 32 GB card slot up to 128 GB (dedicated slot)
DISPLAY
Size 480 x 800 pixels, 4.7 inches (~199 ppi pixel density) 720 x 1280 pixels, 5.7 inches (~259 ppi pixel density) 5 inches
Type IPS LCD capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors IPS LCD Capacitive touchscreen, 16M colors
Resolation - - 720 x 1280 pixels
PPI - - 294 ppi pixel density
Multi touch - - Yes
Protection - - Corning Gorilla Glass 3, ClearBlack display
CAMERA
Primary 5 MP, 2592х1936 pixels, autofocus, LED flash, Geo-tagging, touch focus 13 MP, 4128 x 3096 pixels, autofocus, LED flash 10 MP, f/2.2, 26mm, Carl Zeiss optics, OIS, autofocus
Video Yes, 1080p@30fps Yes, 1080p@30fps 1080p@30fps, optical stabilization, stereo sound rec.
Flash - - Led flash
Features - - 1/3.4 Inches sensor size, PureView technology, geo-tagging, face detection, panorama
Selfie Yes, VGA Yes, 5MP Yes 0.9 MP
BATTERY
Battery Li-Ion 2000 mAh battery (BP-4GWA) Li-Ion 3000 mAh battery Li-Ion
Capacity - - 2200 mAh
Removable - - Non-removable
StandBy - - Up to 528 h
Talk Time - - Up to 12 h 54 min (2G) / Up to 14 h 48 min (3G)
Music Play - - Up to 78 h
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 800 / 1800 / 2600 LTE LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800)
LTE band 2(1900), 4(1700/2100), 5(850), 17(700) - AT&T
Speed - - HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, hotspot
BlueTooth Yes, v4.0 with A2DP, LE Yes, v4.0 with A2DP v4.0, A2DP, EDR, LE, apt-X
USB Yes, microUSB v2.0 microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support and GLONASS A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS
NFC - - Yes
Audio jeck - - Yes, 3.5mm
OTHERS
Sensors - - Accelerometer, gyro, proximity, compass
Radio FM Radio FM radio FM radio
SARUS - - 0.87 W/kg (head), 0.83 W/kg (body)
SAREU - - 0.46 W/kg (head), 0.59 W/kg (body)
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