Screen size
equal specsLumia 540 Dual SIM5.0"
Lumia 640 Dual SIM5.0"
Quick verdict
Lumia 540 Dual SIM and Lumia 640 Dual SIM are close on the measured specs.
Measured wins
Lumia 540 Dual SIM
2
spec wins
Ties
13
equal specs
Lumia 640 Dual SIM
2
spec wins
Screen size
equal specsTechnology
Lumia 540 Dual SIM
GSM / HSPA
Lumia 640 Dual SIM
GSM / HSPA
2G bands
Lumia 540 Dual SIM
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Lumia 640 Dual SIM
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Lumia 540 Dual SIM
HSDPA 900 / 2100
Lumia 640 Dual SIM
HSDPA 850 / 900 / 1900 / 2100
Speed
Lumia 540 Dual SIM
HSPA 42.2/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
equal specsRAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Lumia 640 Dual SIM
HSPA 42.2/5.76 Mbps
Announced
Lumia 540 Dual SIM
2015, April. Released 2015, May
Lumia 640 Dual SIM
2015, March. Released 2015, April
Status
Lumia 540 Dual SIM
Discontinued
Lumia 640 Dual SIM
Discontinued
Dimensions
Lumia 540 Dual SIM
144 x 73.7 x 8.6 mm (5.67 x 2.90 x 0.34 in)
Lumia 640 Dual SIM
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Weight
Lumia 540 Dual SIM
152 g (5.36 oz)
Lumia 640 Dual SIM
145 g (5.11 oz)
SIM
Lumia 540 Dual SIM
Dual SIM (Micro-SIM, dual stand-by)
Lumia 640 Dual SIM
Dual SIM (Micro-SIM, dual stand-by)
Type
Lumia 540 Dual SIM
IPS LCD
Lumia 640 Dual SIM
IPS LCD
Size
Lumia 540 Dual SIM
5.0 inches, 68.9 cm2 (~64.9% screen-to-body ratio)
Lumia 640 Dual SIM
5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)
Resolution
Lumia 540 Dual SIM
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Lumia 640 Dual SIM
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Other
Lumia 540 Dual SIM
ClearBlack display
Lumia 640 Dual SIM
ClearBlack display
Protection
Lumia 540 Dual SIM
-
Lumia 640 Dual SIM
Corning Gorilla Glass 3
OS
Lumia 540 Dual SIM
Microsoft Windows Phone 8.1 with Lumia Denim
Lumia 640 Dual SIM
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Chipset
Lumia 540 Dual SIM
Qualcomm Snapdragon 200 (28 nm)
Lumia 640 Dual SIM
Qualcomm MSM8926 Snapdragon 400 (28 nm)
CPU
Lumia 540 Dual SIM
Quad-core 1.2 GHz Cortex-A7
Lumia 640 Dual SIM
Quad-core 1.2 GHz Cortex-A7
GPU
Lumia 540 Dual SIM
Adreno 302
Lumia 640 Dual SIM
Adreno 305
Card slot
Lumia 540 Dual SIM
microSDXC (dedicated slot)
Lumia 640 Dual SIM
microSDXC (dedicated slot)
Internal
Lumia 540 Dual SIM
8GB 1GB RAM
Lumia 640 Dual SIM
8GB 1GB RAM
Other
Lumia 540 Dual SIM
eMMC 4.5
Lumia 640 Dual SIM
eMMC 4.5
Single
Lumia 540 Dual SIM
8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Lumia 640 Dual SIM
8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Features
Lumia 540 Dual SIM
LED flash
Lumia 640 Dual SIM
LED flash
Video
Lumia 540 Dual SIM
480p@30fps
Lumia 640 Dual SIM
1080p@30fps
Single
Lumia 540 Dual SIM
5 MP
Lumia 640 Dual SIM
1 MP
Video
Lumia 540 Dual SIM
480p
Lumia 640 Dual SIM
720p
Loudspeaker
Lumia 540 Dual SIM
Yes
Lumia 640 Dual SIM
Yes
3.5mm jack
Lumia 540 Dual SIM
Yes
Lumia 640 Dual SIM
Yes
WLAN
Lumia 540 Dual SIM
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Lumia 640 Dual SIM
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth
Lumia 540 Dual SIM
4.0, A2DP
Lumia 640 Dual SIM
4.0, A2DP
Positioning
Lumia 540 Dual SIM
GPS, GLONASS
Lumia 640 Dual SIM
GPS, GLONASS, BDS
NFC
Lumia 540 Dual SIM
No
Lumia 640 Dual SIM
No
Radio
Lumia 540 Dual SIM
FM radio
Lumia 640 Dual SIM
FM radio
USB
Lumia 540 Dual SIM
microUSB 2.0
Lumia 640 Dual SIM
microUSB 2.0
Sensors
Lumia 540 Dual SIM
Accelerometer, proximity
Lumia 640 Dual SIM
Accelerometer, proximity, compass
Type
Lumia 540 Dual SIM
Li-Ion 2200 mAh, removable
Lumia 640 Dual SIM
Li-Ion 2500 mAh, removable
Stand-by
Lumia 540 Dual SIM
Up to 576 h (2G) / Up to 576 h (3G)
Lumia 640 Dual SIM
Up to 840 h (2G) / Up to 840 h (3G)
Talk time
Lumia 540 Dual SIM
Up to 26 h (2G) / Up to 15 h (3G)
Lumia 640 Dual SIM
Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)
Music play
Lumia 540 Dual SIM
Up to 81 h
Lumia 640 Dual SIM
-
Colors
Lumia 540 Dual SIM
Orange, white, black, gray, blue
Lumia 640 Dual SIM
Glossy cyan, Orange, White, Matte black
Price
Lumia 540 Dual SIM
About 100 EUR
Lumia 640 Dual SIM
About 170 EUR