Compare Devices

microsoft surface duo
meizu note 21
microsoft lumia 640 xl dual sim
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Brand
 microsoft meizu microsoft
Model
 microsoft surface duo meizu note 21 microsoft lumia 640 xl dual sim
Announced
 2020 August 12. Released 2020 September 10 2024 September 13 2015 March. Released 2015 April
Status
 discontinued Available. Released 2024 October discontinued
Device Body
 glass front ( gorilla glass 5 ) | glass back ( gorilla glass 5 )
Dimensions
 unfolded : 186.9 x 145.2 x 4.8 mm - 157.9 x 81.5 x 9 mm ( 6.22 x 3.21 x 0.35 in )
Weight in gram
 250 171
SIM card
 Nano-SIM + Nano-SIM + Nano-SIM dual SIM ( Micro-SIM | dual stand-by )
Water Resistance
 No No No
Display type
 AMOLED IPS LCD | 90hz | 450 Luminance units IPS LCD
Display resolution
 1800 x 2700 pixels | 3 : 2 ratio ( ~401 pixel per inch density ) 720 x 1600 pixels* | 20 : 9 ratio ( ~260 pixel per inch density ) 720 x 1280 pixels | 16 : 9 ratio ( ~259 pixel per inch density )
Display size
 8.1 inches | 195.4 cm2 ( ~144.2% screen to body ratio ) 6.74 inches | 109.7 cm2 5.7 inches | 88.9 cm2 ( ~69.1% screen to body ratio )
Display Protection
 corning gorilla glass 5 corning gorilla glass 3
Operating System
 android 10 | upgradable to android 12 flyme Operating system microsoft windows phone 8.1 | upgradable to microsoft windows 10
CPU
 Octa-core ( 1x2.84 GHz kryo 485 & 3x2.42 GHz kryo 485 & 4x1.78 GHz kryo 485 ) Octa-core ( 2x1.6 GHz cortex-a75 & 6x1.6 GHz cortex-a55 ) Quad-core 1.2 GHz cortex-a7
Chipset
 Qualcomm sm8150 snapdragon 855 ( 7 nm ) unisoc t606 ( 12 nm ) Qualcomm msm8226 snapdragon 400 ( 28 nm )
GPU
 adreno 640 mali-g57 mp1 adreno 305
Memory card
 No microsdxc microsdxc ( dedicated slot )
Memory v1
 128gb 6gb RAM 256gb 8gb RAM 8gb 1gb RAM
Memory v2
 256gb 6gb RAM
Primary camera
11 megapixel| lens aperture2.0 | 23mm ( wide ) | 1.0µm | phase detection autofocus
50 megapixel| Auto focus
2 mega pixel
13 megapixel| lens aperture2.0 | 28mm ( wide ) | 1/3.0" | Auto focus
Secondary camera
uses Main Camera
8 mega pixel
5 mega pixel
Loud speaker
 Yes Yes Yes
Audio jack
 No Yes Yes
WLAN
 Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac | dual-band Wi-Fi 802.11 b/g/n | dlna | hotspot
Bluetooth
 5.0 | a2dp | le | aptx adaptive 5.3 | a2dp 4.0 | a2dp
GPS
NFC
 No No Yes
Radio
 No No FM Radio
USB
 USB Type-C 3.1.0 USB Type-C microusb 2.0
Sensors
 fingerprint ( side-mounted ) | dual accelerometer | dual gyroscope | proximity | dual compass fingerprint ( side-mounted ) ; unspecified sensors accelerometer | proximity | compass | sensor core
Battery
 li-po 3577 mAh 6000 mAh Li-lon 3000 mAh | removable
Battery Charge
 18w wired 18w wired
Colors
 white ivory, black color gradations, blue color gradations cyan, orange, black, white, white color gradations
Network technology
 gsm / hspa / lte gsm / hspa / lte gsm / hspa
5G bands
Network speed
 hspa 42.2/5.76 mbps lte cat18 1200/150 mbps hspa lte hspa 42.2/5.76 mbps
GPRS
EDGE
Approx price
  • 550 GBP
  • 657 EUR
  • 6420 NOK
  • 6800 SEK
  • 41500 RUB
  • 660 USD
  • 3490 BRL
  • 960 AUD
  • 870000 KRW
  • 89000 JPY
  • 920 SGD
  • 2950 MYR
  • 2430 AED
  • 11100 ZAR
  • 150 GBP
  • 179 EUR
  • 1680 NOK
  • 1800 SEK
  • 10900 RUB
  • 180 USD
  • 920 BRL
  • 250 AUD
  • 230000 KRW
  • 24000 JPY
  • 240 SGD
  • 770 MYR
  • 640 AED
  • 2900 ZAR