PhoneBunch

Nokia Lumia 830 vs Microsoft Lumia 640 Dual SIM

General Info

Manufacturer
Nokia Microsoft
Announced
September 2014 March 2015
Status
Available - September 2014 Available - April 2015
Price
- Rs. 8,999 ($132.34) [Similarly Priced]
Colors
Orange, green, white, black Yes
Form Factor
Candybar Candybar
Dimension
139.4 x 70.7 x 8.5 mm
(5.49 x 2.78 x 0.33 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
Weight
150 g (5.29 oz) 145 g (5.11 oz)
2G Network
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
4G Network
LTE 800 / 900 / 1800 / 2100 / 2600 -
Messaging
SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features
ClearBlack display -

Display

Type
IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors
16M colors 16M colors
Size
5.0 inches [Similar] 5.0 inches [Similar]
Resolution
720 x 1280 pixels (294 ppi) [Similar] 720 x 1280 pixels (294 ppi) [Similar]
Screen-to-Body Ratio
69.80% 67.43%
Multi-Touch

Hardware and OS

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

Camera

Rear Camera
10 MP, Carl Zeiss Optics [Similar] 8 MP, 3264 x 2448 pixels [Similar]
Flash
LED Flash LED flash
Features
Auto focus, OIS, 1/3.4'' sensor size, PureView technology, geo-tagging, face detection, panorama Auto focus, 1/4'' Sensor Size
Video
1080p@30fps, optical stabilization, stereo sound rec. 1080p@30fps
Front Camera
0.9 MP, 720p [Similar] 1 MP, 720p [Similar]

Multimedia

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

Connectivity and Data Rate

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

User Memory

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

Sensors

Fingerprint
Proximity Sensor
Accelerometer Sensor
NFC

Battery

Type
Li-Ion Battery (BV-L4A) Li-Ion Battery
Capacity
2200 mAh 2500 mAh
Stand by
Up to 528 h Up to 840 h (2G)
Up to 840 h (3G)
Talk Time
Up to 12 h 54 min (2G)
Up to 14 h 48 min (3G)
Up to 27 h 30 min (2G)
Up to 20 h 30 min (3G)
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