Microsoft Lumia 640 LTE vs Nokia Lumia 630

Phones Images
PHONES
Phone Names Microsoft Lumia 640 LTE Nokia Lumia 630
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900 - all versions
3G bandsHSDPA 850 / 900 / 2100HSDPA 900 / 2100 - RM-976
4G bands1, 3, 7, 8, 20-
SpeedHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 MbpsHSPA 21.1/5.76 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA
 1, 2, 4, 5, 7, 12, 17 - T-MobileHSDPA 850 / 900 / 1900 / 2100 - RM-977
Launch
Announced2015, March. Released 2015, April2014, April. Released 2014, May
StatusDiscontinuedDiscontinued
Body
Dimensions141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)129.5 x 66.7 x 9.2 mm, 78.5 cc (5.10 x 2.63 x 0.36 in)
SIMMicro-SIMMicro-SIM
Weight145 g (5.11 oz)134 g (4.73 oz)
Display
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 3
Resolution720 x 1280 pixels, 16:9 ratio (~294 ppi density)480 x 854 pixels, 16:9 ratio (~221 ppi density)
Size5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)4.5 inches, 54.3 cm2 (~62.9% screen-to-body ratio)
TypeIPS LCDIPS LCD
 ClearBlack displayClearBlack display
Platform
CPUQuad-core 1.2 GHz Cortex-A7Quad-core 1.2 GHz Cortex-A7
ChipsetQualcomm MSM8926 Snapdragon 400 (28 nm)Qualcomm Snapdragon 400 (28 nm)
GPUAdreno 305Adreno 305
OSMicrosoft Windows Phone 8.1, upgradable to Microsoft Windows 10Microsoft Windows Phone 8.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal8GB 1GB RAM8GB 512MB RAM
 eMMC 4.5eMMC 4.5
Main Camera
FeaturesLED flashPanorama
Single8 MP, f/2.2, 28mm (wide), 1/4.0", AF5 MP, 1/4.0", AF
Video1080p@30fps720p@30fps
Selfie camera
Single1 MP-
Video720p-
 -No
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP4.0, A2DP, LE/ aptX after WP8 Denim update
NFCYesNo
PositioningGPS, GLONASS, BDSGPS, GLONASS
RadioFM radioFM radio
USBmicroUSB 2.0microUSB 2.0
WLANWi-Fi 802.11 b/g/n, DLNA, hotspotWi-Fi 802.11 b/g/n, DLNA, hotspot
Features
SensorsAccelerometer, proximity, compassAccelerometer, sensor core
Battery
Music play-Up to 58 h
Stand-byUp to 864 h (2G) / Up to 864 h (3G)Up to 600 h
Talk timeUp to 26 h 30 min (2G) / Up to 17 h 30 min (3G)Up to 16 h 20 min (2G) / Up to 13 h 10 min (3G)
TypeLi-Ion 2500 mAh, removableLi-Ion 1830 mAh, removable (BL-5H)
Misc
ColorsGlossy cyan, Orange, White, Matte blackBright Orange, bright green, bright yellow, white, black
PriceAbout 120 EURAbout 110 EUR
SAR-1.52 W/kg (head)     1.25 W/kg (body)
SAR EU-1.51 W/kg (head)     1.52 W/kg (body)
Tests
Audio quality Noise -93.1dB / Crosstalk -93.2dB-
Battery life Endurance rating 76h Endurance rating 66h
Camera Photo / Video Photo / Video
Display Contrast ratio: 1034 (nominal), 2.563 (sunlight) Contrast ratio: 771:1 (nominal), 2.056 (sunlight)
Loudspeaker Voice 70dB / Noise 65dB / Ring 75dB Voice 68dB / Noise 65dB / Ring 75dB
OUR TESTS
Audio qualityNoise -93.1dB / Crosstalk -93.2dB-
Battery (old)Endurance rating 76hEndurance rating 66h
CameraPhoto / VideoPhoto / Video
DisplayContrast ratio: 1034 (nominal), 2.563 (sunlight)Contrast ratio: 771:1 (nominal), 2.056 (sunlight)
LoudspeakerVoice 70dB / Noise 65dB / Ring 75dBVoice 68dB / Noise 65dB / Ring 75dB