• Nokia Lumia 638 vs Microsoft Lumia 640 Dual SIM vs Microsoft Lumia 640 XL

Phone Comparison - Nokia Lumia 638 vs Microsoft Lumia 640 Dual SIM vs Microsoft Lumia 640 XL

general General Info

Manufacturer Nokia Microsoft Microsoft
Announced December 2014 March 2015 March 2015
Status Available - December 2014 Available - April 2015 Available - April 2015
Price Rs. 7,999 ($117.63) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced] Rs. 12,999 ($191.16) [Similarly Priced]
Colors Black Yes Matte cyan, Orange, Black, Matte white, Glossy white
Form Factor Candybar Candybar Candybar
Dimension 129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
157.9 x 81.5 x 9 mm
(6.22 x 3.21 x 0.35 in)
Weight 136 g (4.8 oz) 145 g (5.11 oz) 171 g (6.03 oz)
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 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 1800 / 1900 / 2100 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) - -
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8.1 Microsoft Windows Phone 8.1 with Lumia Denim Microsoft Windows Phone 8.1 with Lumia Denim
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU Adreno 305 Adreno 305 Adreno 305
RAM 1 GB 1 GB 1 GB
Internal Memory 8 GB 8 GB 8 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type IPS LCD capacitive touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 5.0 inches 5.7 inches
Resolution 480 x 854 pixels (218 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (259 ppi)
Screen-to-Body Ratio 64.43% 67.43% 68.88%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels
Flash No LED flash LED flash
Features Auto focus, 1/4 Auto focus, 1/4'' Sensor Size Auto focus, Carl Zeiss Optics, 1/3'' Sensor Size
Video Yes 1080p@30fps 1080p@30fps
Front Camera No [Similar] 1 MP, 720p [Similar] 5 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps HSPA 42.2/5.76 Mbps
Bluetooth v4.0, A2DP, LE/ apt-X after WP8 Denim update v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 8 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 128 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 not supported NFC not supported NFC supported

battery Battery

Type Li-Ion Battery (BL-5H) Li-Ion Battery Li-Ion Battery
Capacity 1830 mAh 2500 mAh 3000 mAh
Stand by - Up to 840 h (2G)
Up to 840 h (3G)
Up to 936 h (2G)
Up to 936 h (3G)
Talk Time - Up to 27 h 30 min (2G)
Up to 20 h 30 min (3G)
Up to 31 h 20 min (2G)
Up to 23 h 40 min (3G)