Microsoft Lumia 540 Dual Sim vs Microsoft Lumia 550

Key Specs

Battery
Battery	2200 mAh	2100 mAh
Display
Display	5.0 inches (12.7 cm)	4.7 inches (11.94 cm)
Front Camera
Front Camera	5 MP	2 MP
Processor
Processor	Qualcomm Snapdragon 200 MSM8212	Qualcomm Snapdragon 210 MSM8909
RAM
RAM	1 GB	1 GB
Rear Camera
Rear Camera	8 MP	5 MP

Battery

Capacity
Capacity	2200 mAh	2100 mAh
Removable
Removable	Yes	-
Standby time
Standby Time	Up to 576 Hours(3G) / Up to 576 Hours(2G)	-
TalkTime
TalkTime	Up to 26.2 Hours(3G) / Up to 14.8 Hours(2G)	Up to 17 Hours(4G) / Up to 14 Hours(3G) / Up to 16 Hours(2G)
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	No	-

Design

Colours
Colours	Black, Blue, Orange, White	Black, White
Height
Height	144 mm	136.1 mm
Thickness
Thickness	9.4 mm	9.9 mm
Weight
Weight	152 grams	141.9 grams
Width
Width	73.7 mm	67.8 mm

Display

Display Type
Display Type	IPS LCD	LCD
Pixel Density
Pixel Density	294 ppi	312 ppi
Resolution
Resolution	720x1280 px (HD)	720x1280 px (HD)
Screen Protection
Screen Protection	No	-
Screen Size
Screen Size	5.0 inches (12.7 cm)	4.7 inches (11.94 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	64.79 %	65.95 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
Autofocus	No	-
Flash
Flash	No	-
Resolution
Resolution	5 MP, Primary Camera	2 MP, Primary Camera
Video Recording
Video Recording	Other 848x480x30 fps	640x480 fps

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General

Brand
Brand	Microsoft	Microsoft
Launch Date
Launch Date	May 18, 2015 (Official)	December 23, 2015 (Official)
Operating System
Operating System	Windows Phone v8.1	Windows Phone v10

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom Auto Flash Digital image stabilization Face detection Touch to focus	2 x Digital Zoom Auto Flash Digital image stabilization Face detection Touch to focus
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	3264 x 2448 Pixels	2592 x 1944 Pixels
OIS
OIS	No	-
Resolution
Resolution	8 MP f/2.2, Primary Camera(28 mm focal length)	5 MP f/2.4, Primary Camera(28 mm focal length)
Sensor
Sensor	Back-illuminated sensor (BSI)	CMOS image sensor
Settings
Settings	Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	848x480x30 fps	1280x720 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.0	Yes, v4.1
GPS
GPS	Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
NFC	No	-
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Not Supported in India, 3G, 2G
SIM 1
SIM 1	3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available	4G Bands: FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 800(band 20) 3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4) 3G Speed: HSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	-
SIM Size
SIM Size	SIM1: Micro, SIM2: Micro	SIM1: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Single SIM, GSM
USB Connectivity
USB Connectivity	microUSB 2.0	microUSB 2.0
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	-	32 bit
CPU
CPU	Quad core, 1.2 GHz, Cortex A7	Quad core, 1.1 GHz, Cortex A7
Chipset
Chipset	Qualcomm Snapdragon 200 MSM8212	Qualcomm Snapdragon 210 MSM8909
Graphics
Graphics	Adreno 302	Adreno 304

Sensors

Fingerprint Sensor
Fingerprint Sensor	No	-
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer	Light sensor, Proximity sensor, Accelerometer

Storage

Expandable Memory
Expandable Memory	Yes, Up to 128 GB	Yes, Up to 200 GB
Internal Memory
Internal Memory	8 GB	8 GB