Microsoft Lumia 540 Dual SIM vs Microsoft Lumia 640 LTE

Phones Images
PHONES
Phone Names Microsoft Lumia 540 Dual SIM Microsoft Lumia 640 LTE
Network
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 900 / 2100HSDPA 850 / 900 / 2100
4G bands-1, 3, 7, 8, 20
SpeedHSPA 42.2/5.76 MbpsHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
TechnologyGSM / HSPAGSM / HSPA / LTE
 -1, 2, 4, 5, 7, 12, 17 - T-Mobile
Launch
Announced2015, April. Released 2015, May2015, March. Released 2015, April
StatusDiscontinuedDiscontinued
Body
Dimensions144 x 73.7 x 8.6 mm (5.67 x 2.90 x 0.34 in)141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
SIMDual SIM (Micro-SIM, dual stand-by)Micro-SIM
Weight152 g (5.36 oz)145 g (5.11 oz)
Display
Protection-Corning 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 (~64.9% screen-to-body ratio)5.0 inches, 68.9 cm2 (~67.6% 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 MSM8926 Snapdragon 400 (28 nm)
GPUAdreno 302Adreno 305
OSMicrosoft Windows Phone 8.1 with Lumia DenimMicrosoft 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", AF8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Video480p@30fps1080p@30fps
Selfie camera
Single5 MP1 MP
Video480p720p
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP4.0, A2DP
NFCNoYes
PositioningGPS, GLONASSGPS, GLONASS, BDS
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, proximity, compass
Battery
Music playUp to 81 h-
Stand-byUp to 576 h (2G) / Up to 576 h (3G)Up to 864 h (2G) / Up to 864 h (3G)
Talk timeUp to 26 h (2G) / Up to 15 h (3G)Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G)
TypeLi-Ion 2200 mAh, removableLi-Ion 2500 mAh, removable
Misc
ColorsOrange, white, black, gray, blueGlossy cyan, Orange, White, Matte black
PriceAbout 100 EURAbout 120 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 quality-Noise -93.1dB / Crosstalk -93.2dB
Battery (old)-Endurance rating 76h
Camera-Photo / Video
Display-Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Loudspeaker-Voice 70dB / Noise 65dB / Ring 75dB