Microsoft Lumia 435 Dual SIM vs Microsoft Lumia 640 XL LTE Dual SIM

Phones Images
PHONES
Phone Names Microsoft Lumia 435 Dual SIM Microsoft Lumia 640 XL LTE Dual SIM
Network
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 900 / 2100HSDPA 850 / 900 / 1700 / 1900 / 2100
4G bands-1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40
SpeedHSPA 42.2/5.76 MbpsHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
TechnologyGSM / HSPAGSM / HSPA / LTE
Launch
Announced2015, January. Released 2015, February2015, March. Released 2015, April
StatusDiscontinuedDiscontinued
Body
Dimensions118.1 x 64.7 x 11.7 mm (4.65 x 2.55 x 0.46 in)157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in)
SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
Weight134.1 g (4.73 oz)171 g (6.03 oz)
Display
Protection-Corning Gorilla Glass 3
Resolution480 x 800 pixels, 5:3 ratio (~233 ppi density)720 x 1280 pixels, 16:9 ratio (~259 ppi density)
Size4.0 inches, 45.5 cm2 (~59.6% screen-to-body ratio)5.7 inches, 88.9 cm2 (~69.1% screen-to-body ratio)
TypeIPS LCD,IPS LCD
 -ClearBlack display
Platform
CPUDual-core 1.2 GHz Cortex-A7Quad-core 1.2 GHz Cortex-A7
ChipsetQualcomm MSM8210 Snapdragon 200 (28 nm)Qualcomm MSM8226 Snapdragon 400 (28 nm)
GPUAdreno 302Adreno 305
OSMicrosoft Windows Phone 8.1, upgradable to 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
Features-Zeiss optics, LED flash
Single2 MP, f/2.7, 36mm (standard), 1/5.0"13 MP, f/2.0, 28mm (wide), 1/3.0", AF
Video480p@30fps1080p@30fps
Selfie camera
SingleVGA5 MP
Video480p1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP4.0, A2DP
NFCNoYes
PositioningA-GPS, GLONASSGPS, GLONASS, BDS
RadioFM radio, RDSFM radio
USBmicroUSB 2.0microUSB 2.0
WLANWi-Fi 802.11 b/g/n, hotspotWi-Fi 802.11 b/g/n, DLNA, hotspot
Features
SensorsAccelerometer, proximityAccelerometer, proximity, compass, sensor core
Battery
Music playUp to 64 h-
Stand-byUp to 504 h (2G) / Up to 504 h (3G)Up to 936 h (2G) / Up to 936 h (3G)
Talk timeUp to 21 h (2G) / Up to 11 h 45 min (3G)Up to 31 h 20 min (2G) / Up to 23 h 40 min (3G)
TypeLi-Ion 1560 mAh, removableLi-Ion 3000 mAh, removable
Misc
ColorsBlack, White, Green, OrangeMatte cyan, Orange, Black, Matte white, Glossy white
PriceAbout 70 EURAbout 200 EUR
SAR1.05 W/kg (head)     0.57 W/kg (body)-
SAR EU0.58 W/kg (head)     0.54 W/kg (body)-
Tests
Audio quality- Noise -93.0dB / Crosstalk -94.4dB
Battery lifeEndurance rating 64h Endurance rating 74h
Display- Contrast ratio: 1119:1 (nominal), 3.065 (sunlight)
Loudspeaker- Voice 72dB / Noise 67dB / Ring 73dB
OUR TESTS
Audio quality-Noise -93.0dB / Crosstalk -94.4dB
Battery (old)Endurance rating 64hEndurance rating 74h
Display-Contrast ratio: 1119:1 (nominal), 3.065 (sunlight)
Loudspeaker-Voice 72dB / Noise 67dB / Ring 73dB