• 5" (1280x720) IPS LCD
  • 1GB
    Snapdragon 400 SoC
    16GB Storage
  • 10-MP Rear: 1 Camera
  • 2200 mAh
  • 5" (1280x720) IPS LCD
  • 1GB
    Snapdragon 400 SoC
    8GB Storage
  • 8-MP, f/2.2 Rear: 1 Camera
  • 2500 mAh

Specifications Highlights
Product NameLumia 830Lumia 640
ProductLumia 830 (2014), Price: 382 USDLumia 640 (2015), Price: 146 USD at Amazon
Display5" 1280x720 IPS LCD 5" 1280x720 IPS LCD
Rear Camera(s)
  • 10-MP (Primary)
  • 8-MP f/2.2 (Primary)
Selfie Camera(s)
  • 0.9-MP
  • 1-MP
Computing
  • Snapdragon 400 SoC
  • 1GB RAM
  • 16GB Storage
  • MicroSD (128GB max.)
  • Snapdragon 400 SoC
  • 1GB RAM
  • 8GB Storage
  • MicroSD (128GB max.)
Battery2200 mAh2500 mAh
DesignIP Rating, 150g (5.3oz), 139.4x70.7x8.5 mm (5.49 x 2.78 x 0.33 inches)IP Rating, 145g (5.1oz), 141.3x72.2x8.8 mm (5.56 x 2.84 x 0.35 inches)
Price (Market)$382$146
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Display
Product NameLumia 830Lumia 640
TypeIPS LCDIPS LCD
Diagonal (inches)5"5"
Display/Body Ratio69.9%67.6%
Resolution1280x7201280x720
Sharpness (PPI)294 PPI294 PPI
Display Glass TypeGorilla Glass 3Gorilla Glass 3
Features
  • Multitouch
  • Multitouch
Color Depth24 bit (16,777,216 Colors)24 bit (16,777,216 Colors)
Primary Camera
Product NameLumia 830Lumia 640
Megapixel10-MP8-MP
Aperturef/2.2
Sensor SizeSmall
Hardware Features
  • Flash
  • Flash
Video Resolutions
  • 1080p/30fps
  • 1080p/30fps
Battery
Product NameLumia 830Lumia 640
Battery TypeLi-IonLi-Ion
Battery Capacity (mAh)2200 mAh2500 mAh
Battery Features
  • Removable
Talk Time12 hours26.5 hours
Music Playback Time78 hours
Computing
Product NameLumia 830Lumia 640
Processor BrandQualcommQualcomm
Processor NameSnapdragon 400Snapdragon 400
Processor ModelMSM8926
Processor # Cores44
Main Processor Frequency (GHz)1.2 GHz1.2 GHz
RAM Options1GB1GB
Internal Storage Options16GB8GB
Memory Card TypeMicroSDMicroSD
Mem. Card Max. Size128GB128GB
Operating System + VersionWindows 8.1Windows 8.1
Communications
Product NameLumia 830Lumia 640
LTE Category (Download)LTE CAT4 150 MbpsLTE CAT4 150 Mbps
Modem Features
  • GPRS
  • EDGE
  • LTE
  • GPRS
  • EDGE
  • LTE
WiFi Speed
  • a
  • b
  • g
  • n
  • b
  • g
  • n
WiFi Features
  • Hotspot
  • Dual-band
  • Hotspot
Bluetooth VersionBluetooth 4.0Bluetooth 4.0
Bluetooth Features
  • A2DP
  • BT LE
  • BT EDR
  • A2DP
NFC Features
  • NFC Supported
  • NFC Supported
Connector TypeMicro USBMicro USB
SAR US Head0.87 W/Kg
SAR US Body0.83 W/Kg
SAR EU Head0.46 W/Kg
SAR EU Body0.59 W/Kg
Sim Card 0
Product NameLumia 830Lumia 640
NameSIM0SIM0
SIM TypeNano SIMMicro SIM
Multimedia
Product NameLumia 830Lumia 640
Multimedia Features
  • DLNA
Audio Alerts
  • VIBRATION
  • MP3
  • WAV
  • VIBRATION
  • MP3
  • WAV
Audio Features
  • Loudspeaker
  • 3.5mm Port
  • Phone Noise Cancellation
  • FM Radio
  • Loudspeaker
  • 3.5mm Port
  • FM Radio
Audio Formats
  • MP3
  • WAV
  • WMA
  • MP3
  • WAV
  • WMA
Video Formats
  • MP4
  • WMV
  • H.264
  • MP4
  • WMV
  • H.264
Sensors
  • Accelerometer
  • Compass
  • GPS
  • A-GPS
  • GLONASS
  • Gyroscope
  • Proximity
  • Accelerometer
  • Compass
  • GPS
  • A-GPS
  • GLONASS
  • Proximity

Nokia Lumia 830 vs. Microsoft Lumia 640 Specs & Speed Benchmarks

Antutu

Higher is better

GFXBench T-Rex (Offscr.)

Higher is better

Battery Capacity (mAh)

Higher is better