Phone Comparison - Samsung Ativ S vs Nokia Lumia 830 vs Microsoft Lumia 640 XL LTE Dual SIM

general General Info

Manufacturer Samsung Nokia Microsoft
Announced August 2012 September 2014 March 2015
Status Released - December 2012 Available - September 2014 Available - April 2015
Price - - Rs. 14,999 ($220.57) [Similarly Priced]
Colors Gray Orange, green, white, black Matte cyan, Orange, Black, Matte white, Glossy white
Form Factor Candybar Candybar Candybar
Dimension 137.2 x 70.5 x 8.7 mm
(5.4 x 2.78 x 0.34 in)
139.4 x 70.7 x 8.5 mm
(5.49 x 2.78 x 0.33 in)
157.9 x 81.5 x 9 mm
(6.22 x 3.21 x 0.35 in)
Weight 135 g (4.76 oz) 150 g (5.29 oz) 171 g (6.03 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE 800 / 900 / 1800 / 2100 / 2600 LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - ClearBlack display -

hardware Hardware and OS

OS Microsoft Windows Phone 8 Microsoft Windows Phone 8.1 Microsoft Windows Phone 8.1 with Lumia Denim
Processor Dual-core Krait 1.5 GHz, Qualcomm MSM8960 Snapdragon Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU Adreno 225 Adreno 305 Adreno 305
RAM 1 GB 1 GB 1 GB
Internal Memory 16/32 GB storage 16 GB 8 GB
External Memory microSD, up to 32 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type Super AMOLED capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16M colors 16M colors
Size 4.8 inches 5.0 inches 5.7 inches
Resolution 720 x 1280 pixels (306 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (259 ppi)
Screen-to-Body Ratio 65.65% 69.80% 68.88%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 10 MP, Carl Zeiss Optics 13 MP, 4128 x 3096 pixels
Flash LED flash LED Flash LED Flash
Features Auto focus, Geo-tagging, Image Stabilization Auto focus, OIS, 1/3.4'' sensor size, PureView technology, geo-tagging, face detection, panorama Carl Zeiss Optics, 1/3'' sensor size
Video Yes, 1080p@30fps 1080p@30fps, optical stabilization, stereo sound rec. 1080p@30fps
Front Camera Yes, 1.9 MP [Similar] 0.9 MP, 720p [Similar] 5 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Up to 296 kbps Yes
3G HSDPA, 42 Mbps; HSUPA, 5.76 Mbps HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v3.0 with A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/32 GB storage, 1 GB RAM 16 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 128 GB microSD, up to 128 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC supported NFC supported NFC supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery (BV-L4A) Li-Ion Battery
Capacity 2300 mAh 2200 mAh 3000 mAh
Stand by Up to 168 h (2G)
Up to 218 h (3G)
Up to 528 h Up to 936 h (2G)
Up to 936 h (3G)
Talk Time Up to 8 h (2G)
Up to 14 h 50 min (3G)
Up to 12 h 54 min (2G)
Up to 14 h 48 min (3G)
Up to 31 h 20 min (2G)
Up to 23 h 40 min (3G)