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Nokia Lumia 830 vs Samsung Galaxy A04 4GB

2G Network GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100  
4G Network LTE 800 / 900 / 1800 / 2100 / 2600 LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)  
Dimensions 139.4 x 70.7 x 8.5 mm 164.4 x 76.3 x 9.1 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight 150 g 192 g  
Display Type IPS LCD capacitive touchscreen, 16M colors, ClearBlack display PLS LCD Capacitive Touchscreen, 16M Colors, Multitouch  
Display Size 720 x 1280 pixels, 5.0 inches (~294 ppi), Corning Gorilla Glass 3 6.5 Inches   720 x 1600 Pixels (~270 PPI)  
Multitouch Yes
Memory 16GB built-in 64GB Built-in, 4GB RAM  
Card slot microSD card (support up to 128 GB) microSD Card, (supports up to 1TB)  
RAM 1GB RAM
GPRS Yes Yes
EDGE Yes
WLAN WLAN (Wi-Fi 802.11 a/b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot  
BlueTooth Bluetooth v4.0 v5.0 with A2DP, LE  
USB USB (microUSB v2.0) microUSB 2.0  
NFC No  
GPS Yes Yes + A-GPS support & Glonass, BDS, GALILEO  
Main Camera 10 MP, 10 MP, Carl Zeiss optics, optical image stabilization, autofocus, LED flash, 1/3.4'' sensor size, PureView technology, geo-tagging, face detection, panorama, Video (1080p@30fps, optical stabilization, stereo sound rec.), Dual Camera: 50 MP, f/1.8, (wide), AF + 2 MP, f/2.4, (depth), LED Flash   Geo-tagging, touch focus, face detection, panorama, HDR, Video (1080p@30fps)  
Front Camera 0.9 MP, 720p 5 MP, f/2.2  
OS Microsoft Windows Phone 8.1 Android 12 OS  
Chipset GPU: Adreno 30 MediaTek Helio P35 (14nm) SoC  
Processor 1.2 GHz Quad-Core Cortex-A7, Qualcomm Snapdragon 400 Octa-core (4 x 2.3 GHz + 4 x 1.8 GHz)  
GPU GPU: Adreno 305 PowerVR GE8320  
Sensors Accelerometer, gyro, proximity, compass Accelerometer, Fingerprint (side mounted), Proximity  
Browser HTML5 HTML5  
Sound FM radio, 3.5mm audio jack, MP4/H.264/H.263/WMV player, MP3/WAV/eAAC+/WMA player, Video/photo editor, SNS integration, Games 3.5mm Audio Jack, Speaker Phone  
Colors Orange, green, white, black Black, Green, White, Copper  
Battery Music play Up to 78 hrs (Li-Po Non removable), 5000 mAh   - Battery charging 7.8W  
StandBy Time Stand-by Up to 528 hrs
TalkTime Talk-time Up to 12 hrs 54 min
Misc GPS + A-GPS support and GLONASS, MicroSIM card support only, 15GB free SkyDrive storage, Active noise cancellation with dedicated mic,Document viewer/editor, Wireless charging, Predictive text input, Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   Glass front + plastic back, plastic frame, Photo/video editor, Document viewer