Microsoft Lumia 640 XL vs Nokia Lumia 1020

Phones Images
PHONES
Phone Names Microsoft Lumia 640 XL Nokia Lumia 1020
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900 - all versions
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100 - RM-875, RM-877
4G bands-1, 3, 7, 8, 20 - RM-875
SpeedHSPA 42.2/5.76 MbpsHSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps
TechnologyGSM / HSPAGSM / HSPA / LTE
 -2, 4, 5, 17 - RM-877
Launch
Announced2015, March. Released 2015, April2013, July 11. Released 2013, July 22
StatusDiscontinuedDiscontinued
Body
Build-Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in)130.4 x 71.4 x 10.4 mm, 96.9 cc (5.13 x 2.81 x 0.41 in)
SIMMicro-SIMMicro-SIM
Weight171 g (6.03 oz)158 g (5.57 oz)
Display
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 3
Resolution720 x 1280 pixels, 16:9 ratio (~259 ppi density)768 x 1280 pixels, 5:3 ratio (~332 ppi density)
Size5.7 inches, 88.9 cm2 (~69.1% screen-to-body ratio)4.5 inches, 57.6 cm2 (~61.9% screen-to-body ratio)
TypeIPS LCDAMOLED
 ClearBlack displayPureMotion HD+ ClearBlack display
Platform
CPUQuad-core 1.2 GHz Cortex-A7Dual-core 1.5 GHz Krait
ChipsetQualcomm MSM8226 Snapdragon 400 (28 nm)Qualcomm MSM8960 Snapdragon S4 Plus
GPUAdreno 305Adreno 225
OSMicrosoft Windows Phone 8.1, upgradable to Microsoft Windows 10Microsoft Windows Phone 8, upgradable to 8.1
Memory
Card slotmicroSDXC (dedicated slot)No
Internal8GB 1GB RAM32GB 2GB RAM, 64GB 2GB RAM (Telefonica exclusive)
 eMMC 4.5-
Main Camera
FeaturesZeiss optics, LED flashCarl Zeiss optics, Xenon & LED flash, panorama
Single13 MP, f/2.0, 28mm (wide), 1/3.0", AF41 MP, f/2.2, 26mm (wide), 1/1.5", 1.12µm, AF, OIS
Video1080p@30fps1080p@30fps, 4x lossless digital zoom
Selfie camera
Single5 MP1.2 MP
Video1080p@30fps720p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP4.0, A2DP, EDR, LE/ aptX after WP8 Denim update
NFCYesYes
PositioningGPS, GLONASS, BDSGPS, GLONASS
RadioFM radioStereo FM radio, RDS
USBmicroUSB 2.0microUSB 2.0
WLANWi-Fi 802.11 b/g/n, DLNA, hotspotWi-Fi 802.11 a/b/g/n, dual-band, DLNA, hotspot
Features
SensorsAccelerometer, proximity, compass, sensor coreAccelerometer, gyro, proximity, compass, barometer
Battery
Music play-Up to 63 h
Stand-byUp to 936 h (2G) / Up to 936 h (3G)Up to 384 h (3G)
Talk timeUp to 31 h 20 min (2G) / Up to 23 h 40 min (3G)Up to 19 h (2G) / Up to 13 h 20 min (3G)
TypeLi-Ion 3000 mAh, removableLi-Ion 2000 mAh, non-removable (BV-5XW)
Misc
ColorsMatte cyan, Orange, Black, Matte white, Glossy whiteYellow, white, black, red (AT&T exclusive)
PriceAbout 170 EURAbout 400 EUR
SAR-1.23 W/kg (head)     0.97 W/kg (body)
SAR EU-0.76 W/kg (head)     0.67 W/kg (body)
Tests
Audio quality Noise -93.0dB / Crosstalk -94.4dB-
Battery life Endurance rating 74h Endurance rating 61h
Camera- Photo / Video
Display Contrast ratio: 1119:1 (nominal), 3.065 (sunlight) Contrast ratio: Infinite (nominal), 2.103 (sunlight)
Loudspeaker- Voice 69dB / Noise 66dB / Ring 72dB
OUR TESTS
Audio qualityNoise -93.0dB / Crosstalk -94.4dB-
Battery (old)Endurance rating 74hEndurance rating 61h
Camera-Photo / Video
DisplayContrast ratio: 1119:1 (nominal), 3.065 (sunlight)Contrast ratio: Infinite (nominal), 2.103 (sunlight)
Loudspeaker-Voice 69dB / Noise 66dB / Ring 72dB