Microsoft Lumia 640 LTE vs Microsoft Lumia 535

Phones Images
PHONES
Phone Names Microsoft Lumia 640 LTE Microsoft Lumia 535
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 900 / 2100
4G bands1, 3, 7, 8, 20-
SpeedHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 MbpsHSPA 42.2/5.76 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA
 1, 2, 4, 5, 7, 12, 17 - T-Mobile-
Launch
Announced2015, March. Released 2015, April2014, November. Released 2014, December
StatusDiscontinuedDiscontinued
Body
Dimensions141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)140.2 x 72.4 x 8.8 mm (5.52 x 2.85 x 0.35 in)
SIMMicro-SIMMicro-SIM
Weight145 g (5.11 oz)146 g (5.15 oz)
Display
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 3
Resolution720 x 1280 pixels, 16:9 ratio (~294 ppi density)540 x 960 pixels, 16:9 ratio (~220 ppi density)
Size5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)5.0 inches, 68.9 cm2 (~67.9% screen-to-body ratio)
TypeIPS LCDIPS LCD
 ClearBlack display-
Platform
CPUQuad-core 1.2 GHz Cortex-A7Quad-core 1.2 GHz Cortex-A7
ChipsetQualcomm MSM8926 Snapdragon 400 (28 nm)Qualcomm Snapdragon 200 (28 nm)
GPUAdreno 305Adreno 302
OSMicrosoft Windows Phone 8.1, upgradable to Microsoft Windows 10Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal8GB 1GB RAM8GB 1GB RAM
 eMMC 4.5eMMC 4.5
Main Camera
FeaturesLED flashLED flash
Single8 MP, f/2.2, 28mm (wide), 1/4.0", AF5 MP, f/2.4, 28mm (wide), 1/4.0", AF
Video1080p@30fps480p@30fps
Selfie camera
Single1 MP5 MP
Video720p720p
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP4.0, A2DP, LE, aptX
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, proximity
Battery
Music play-Up to 78 h
Stand-byUp to 864 h (2G) / Up to 864 h (3G)Up to 552 h
Talk timeUp to 26 h 30 min (2G) / Up to 17 h 30 min (3G)Up to 11 h (2G) / Up to 13 h (3G)
TypeLi-Ion 2500 mAh, removableLi-Ion 1905 mAh, removable (BL-L4A)
Misc
ColorsGlossy cyan, Orange, White, Matte blackOrange, green, white, black, gray, blue
PriceAbout 120 EURAbout 80 EUR
SAR-0.46 W/kg (head)     0.38 W/kg (body)
SAR EU-0.62 W/kg (head)     0.57 W/kg (body)
Tests
Audio quality Noise -93.1dB / Crosstalk -93.2dB-
Battery life Endurance rating 76h -
Camera Photo / Video-
Display Contrast ratio: 1034 (nominal), 2.563 (sunlight)-
Loudspeaker Voice 70dB / Noise 65dB / Ring 75dB -
OUR TESTS
Audio qualityNoise -93.1dB / Crosstalk -93.2dB-
Battery (old)Endurance rating 76h-
CameraPhoto / Video-
DisplayContrast ratio: 1034 (nominal), 2.563 (sunlight)-
LoudspeakerVoice 70dB / Noise 65dB / Ring 75dB-