Microsoft Lumia 640 LTE vs Microsoft Lumia 540 Dual SIM

Phones Images
Microsoft Lumia 640 LTE Microsoft Lumia 540 Dual SIM
PHONES
Phone Names Microsoft Lumia 640 LTE Microsoft Lumia 540 Dual SIM
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
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, April2015, April. Released 2015, May
StatusDiscontinuedDiscontinued
Body
Dimensions141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)144 x 73.7 x 8.6 mm (5.67 x 2.90 x 0.34 in)
SIMMicro-SIMDual SIM (Micro-SIM, dual stand-by)
Weight145 g (5.11 oz)152 g (5.36 oz)
Display
ProtectionCorning Gorilla Glass 3-
Resolution720 x 1280 pixels, 16:9 ratio (~294 ppi density)720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Size5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)5.0 inches, 68.9 cm2 (~64.9% 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 200 (28 nm)
GPUAdreno 305Adreno 302
OSMicrosoft Windows Phone 8.1, upgradable to Microsoft Windows 10Microsoft Windows Phone 8.1 with Lumia Denim
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", AF8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Video1080p@30fps480p@30fps
Selfie camera
Single1 MP5 MP
Video720p480p
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP4.0, A2DP
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 81 h
Stand-byUp to 864 h (2G) / Up to 864 h (3G)Up to 576 h (2G) / Up to 576 h (3G)
Talk timeUp to 26 h 30 min (2G) / Up to 17 h 30 min (3G)Up to 26 h (2G) / Up to 15 h (3G)
TypeLi-Ion 2500 mAh, removableLi-Ion 2200 mAh, removable
Misc
ColorsGlossy cyan, Orange, White, Matte blackOrange, white, black, gray, blue
PriceAbout 120 EURAbout 100 EUR
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-