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huawei watch 2
vivo x50e 5g
oppo a73
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Brand
 huawei vivo oppo
Model
 huawei Watch 2 vivo x50e 5g oppo a73
Announced
 2017 February 2020 September 30 2020 October 05
Status
 Available. Released 2017 April Available. Released 2020 October 01 Available. Released 2020 November 20
Device Body
Dimensions
 48.9 x 45 x 12.6 mm ( 1.93 x 1.77 x 0.50 in ) 162.1 x 75 x 8.9 mm ( 6.38 x 2.95 x 0.35 in ) 159.8 x 72.9 x 7.5 mm ( 6.29 x 2.87 x 0.30 in )
Weight in gram
 57 200.4 163
SIM card
 Nano-SIM Hybrid dual SIM ( Nano-SIM | dual stand-by ) dual SIM ( Nano-SIM | dual stand-by )
Water Resistance
 No
Display type
 OLED capacitive touchscreen | 16millioncolors AMOLED AMOLED | 430 Luminance units ( typ ) | 600 Luminance units ( the peak )
Display resolution
 390 x 390 pixels | 1 : 1 ratio ( ~326 pixel per inch density ) 1080 x 2400 pixels | 20 : 9 ratio ( ~409 pixel per inch density ) 1080 x 2400 pixels | 20 : 9 ratio ( ~409 pixel per inch density )
Display size
 1.2 inches | 9.2 cm2 ( ~42.0% screen to body ratio ) 6.44 inches | 100.1 cm2 ( ~82.4% screen to body ratio ) 6.44 inches | 100.1 cm2 ( ~86.0% screen to body ratio )
Display Protection
 corning gorilla glass 3
Operating System
 android wear Operating system 2.0 | upgradable to 2.1 android 10 | funtouch 10 android 10 | coloros 7.2
CPU
 Quad-core 1.1 GHz cortex-a7 Octa-core ( 1x2.4 GHz kryo 475 prime & 1x2.2 GHz kryo 475 gold & 6x1.8 GHz kryo 475 silver ) Octa-core ( 4x2.0 GHz kryo 260 gold & 4x1.8 GHz kryo 260 silver )
Chipset
 Qualcomm msm8909w snapdragon wear 2100 Qualcomm sm7250 snapdragon 765g ( 7 nm ) Qualcomm sm6115 snapdragon 662 ( 11 nm )
GPU
 adreno 304 adreno 620 adreno 610
Memory card
 No microsdxc ( uses shared sim slot ) microsdxc ( dedicated slot )
Memory v1
 4gb 768mb RAM 128gb 8gb RAM 128gb 4gb RAM
Memory v2
 128gb 6gb RAM
Primary camera

48 megapixel| lens aperture1.8 | ( wide ) | 1/2.0" | 0.8µm | phase detection autofocus
13 megapixel| lens aperture2.5 | 50mm ( telephoto ) | 1/2.8" | 0.8µm | phase detection autofocus | 2x optical zoom
8 megapixel| lens aperture2.2 | 120¡ | 16mm ( ultrawide ) | 1/4.0" | 1.12µm
2 megapixel| lens aperture2.4 | ( macro )
16 megapixel| lens aperture2.2 | ( wide ) | 1/3.06" | phase detection autofocus
8 megapixel| lens aperture2.2 | 120˚ ( ultrawide ) | 1/4.0" | 1.12µm
2 megapixel| lens aperture2.4 | ( depth )
2 megapixel| lens aperture2.4 | ( depth )
Secondary camera

32 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/2.8" | 0.8µm
16 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/3.1" | 1.0µm
Loud speaker
 Yes Yes Yes
Audio jack
 No Yes Yes
WLAN
 Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot
Bluetooth
 4.1.0 | le | edr 5.1.0 | a2dp | le 5.0 | a2dp | le | aptx
GPS
 Yes with a-gps glonass Yes with a-gps glonass galileo bds Yes with a-gps glonass galileo bds
NFC
 Yes Yes Yes ( market/region dependent )
Radio
 No FM Radio FM Radio
USB
 No USB Type-C 2.0 | USB on-the-go USB Type-C 2.0 | USB on-the-go
Sensors
 accelerometer | gyroscope | heart rate | barometer | compass fingerprint ( under display | optical ) | accelerometer | gyroscope | proximity | compass fingerprint ( under display | optical ) | accelerometer | gyroscope | proximity | compass
Battery
 Non-removable Li-lon 420 mAh battery li-po 4350 mAh | Non-removable li-po 4015 mAh | Non-removable
Battery Charge
 Fast charging 30w | 50% in 30 min | 100% in 53 min ( advertised ) | vooc 4.0
Colors
 orange color gradations, black color gradations, grey color gradations black, blue blue color gradations, silver color gradations
Network technology
 gsm / hspa / lte gsm / hspa / lte / 5g gsm / hspa / lte
5G bands
 1 | 28 | 78 sa/nsa
Network speed
 hspa lte hspa 42.2/5.76 mbps lte-a (4ca) 5g hspa 42.2/5.76 mbps lte-a
GPRS
EDGE
Approx price
  • 150 GBP
  • 180 EUR
  • 1780 NOK
  • 1900 SEK
  • 11500 RUB
  • 190 USD
  • 970 BRL
  • 270 AUD
  • 240000 KRW
  • 25000 JPY
  • 260 SGD
  • 820 MYR
  • 680 AED
  • 3100 ZAR
  • 350 GBP
  • 413 EUR
  • 4050 NOK
  • 4300 SEK
  • 26200 RUB
  • 420 USD
  • 2200 BRL
  • 600 AUD
  • 550000 KRW
  • 56000 JPY
  • 580 SGD
  • 1860 MYR
  • 1530 AED
  • 7000 ZAR