Microsoft Lumia 540 Dual SIM vs Nokia Lumia 635

Phones Images
PHONES
Phone Names Microsoft Lumia 540 Dual SIM Nokia Lumia 635
Network
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 900 / 2100HSDPA 850 / 900 / 2100 - RM-974
4G bands-3, 7, 20 - RM-974
SpeedHSPA 42.2/5.76 MbpsHSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps
TechnologyGSM / HSPAGSM / HSPA / LTE
 -2, 4, 5, 7, 17 - RM-975
Launch
Announced2015, April. Released 2015, May2014, April. Released 2014, June
StatusDiscontinuedDiscontinued
Body
Dimensions144 x 73.7 x 8.6 mm (5.67 x 2.90 x 0.34 in)129.5 x 66.7 x 9.2 mm, 78.5 cc (5.10 x 2.63 x 0.36 in)
SIMDual SIM (Micro-SIM, dual stand-by)Micro-SIM
Weight152 g (5.36 oz)134 g (4.73 oz)
Display
Protection-Corning 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 (~64.9% 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 Snapdragon 200 (28 nm)Qualcomm Snapdragon 400 (28 nm)
GPUAdreno 302Adreno 305
OSMicrosoft Windows Phone 8.1 with Lumia DenimMicrosoft Windows Phone 8.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal8GB 1GB RAM8GB 512MB 8GB 1GB 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
Video480p@30fps720p@30fps
Selfie camera
Single5 MP-
Video480p-
 -No
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP4.0, A2DP, LE/ aptX after WP8 Denim update
NFCNoNo
PositioningGPS, GLONASSGPS, 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, proximityAccelerometer, sensor core
Battery
Music playUp to 81 hUp to 58 h
Stand-byUp to 576 h (2G) / Up to 576 h (3G)Up to 648 h
Talk timeUp to 26 h (2G) / Up to 15 h (3G)Up to 12 h (2G) / Up to 14 h (3G)
TypeLi-Ion 2200 mAh, removableLi-Ion 1830 mAh, removable (BL-5H)
Misc
ColorsOrange, white, black, gray, blueBright Orange, bright green, bright yellow, white, black
PriceAbout 100 EURAbout 110 EUR
SAR-0.97 W/kg (head)     0.77 W/kg (body)
SAR EU-0.75 W/kg (head)     0.79 W/kg (body)
Tests
Battery life- Endurance rating 66h
Display- Contrast ratio: 771:1 (nominal), 2.056 (sunlight)
Loudspeaker- Voice 68dB / Noise 65dB / Ring 75dB
OUR TESTS
Battery (old)-Endurance rating 66h
Display-Contrast ratio: 771:1 (nominal), 2.056 (sunlight)
Loudspeaker-Voice 68dB / Noise 65dB / Ring 75dB