Compare Devices

lenovo k13 pro
oppo watch 2
blu studio j1
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Brand
 lenovo oppo blu
Model
 lenovo k13 pro oppo Watch 2 blu studio j1
Announced
 2021 September 2021 July 27 2017 June
Status
 Available. Released 2021 September 29 Available. Released 2021 July 27 Available. Released 2017 June
Device Body
 glass front | plastic back | plastic frame glass front | aluminum frame
Dimensions
 - 46.4 x 38.5 x 11.6 mm ( 1.83 x 1.52 x 0.46 in ) 121.5 x 62.5 x 10.3 mm ( 4.78 x 2.46 x 0.41 in )
Weight in gram
 200 35 135
SIM card
 Nano-SIM eSIM ( market/region dependent ) dual SIM ( Micro-SIM )
Water Resistance
 No 50 meter depth - 10 minutes water resistant
Display type
 IPS LCD | 90hz AMOLED IPS LCD capacitive touchscreen | 16millioncolors
Display resolution
 720 x 1600 pixels | 20 : 9 ratio ( ~270 pixel per inch density ) 402 x 476 pixels ( ~326 pixel per inch density ) 480 x 800 pixels | 5 : 3 ratio ( ~233 pixel per inch density )
Display size
 6.51 inches | 102.3 cm2 1.91 inches 4.0 inches | 45.5 cm2 ( ~60.0% screen to body ratio )
Display Protection
Operating System
 android 11 android wear Operating system - international android 6.0 ( marshmallow )
CPU
 Octa-core ( 4x2.0 GHz kryo 260 gold & 4x1.8 GHz kryo 260 silver ) Quad-core 1.7 GHz cortex-a53 Dual-core 1.3 GHz cortex-a7
Chipset
 Qualcomm sm6115 snapdragon 662 ( 11 nm ) Qualcomm snapdragon wear 4100 ( 12 nm ) mediatek mt6570 ( 28 nm )
GPU
 adreno 610 adreno 504 mali-400
Memory card
 microsdxc ( uses shared sim slot ) No microsdxc
Memory v1
 64gb 4gb RAM 8gb 1gb RAM 8gb 512mb RAM
Memory v2
 128gb 4gb RAM | 128gb 6gb RAM
Primary camera
64 megapixel| lens aperture1.7 | 26mm ( wide ) | 1/1.97" | 0.7µm | phase detection autofocus
8 megapixel| lens aperture2.2 | 118˚ ( ultrawide ) | 1/4.0" | 1.12µm
2 megapixel| lens aperture2.4 | ( macro )
2 megapixel| lens aperture2.4 | ( depth )

5 mega pixel
Secondary camera
13 megapixel| lens aperture2.2 | ( wide ) | 1/3.1" | 1.12µm

2 mega pixel
Loud speaker
 Yes Yes Yes
Audio jack
 Yes No Yes
WLAN
 Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n | hotspot
Bluetooth
 5.0 | a2dp | le 5.0 | a2dp | le 4.0 | a2dp
GPS
 Yes with a-gps
NFC
 unspecified Yes
Radio
 FM Radio | rds | recording No No
USB
 USB Type-C 2.0 | otg No microusb 2.0
Sensors
 fingerprint ( rear-mounted ) | accelerometer | gyroscope | proximity accelerometer | gyroscope | heart rate | compass | barometer | spo2 accelerometer
Battery
 li-po 5000 mAh Li-lon 510 mAh | Non-removable removable li-po 1350 mAh battery
Battery Charge
 15w wired
Colors
 black blue color gradations, black color gradations, gold color gradations black, blue, white
Network technology
 gsm / hspa / lte hspa / lte gsm / hspa
5G bands
Network speed
 hspa 42.2/5.76 mbps lte cat4 150/50 mbps hspa lte hspa 21.1/5.76 mbps
GPRS
EDGE
Approx price
  • 110 GBP
  • 149 EUR
  • 1310 NOK
  • 1400 SEK
  • 8500 RUB
  • 140 USD
  • 710 BRL
  • 200 AUD
  • 180000 KRW
  • 18000 JPY
  • 190 SGD
  • 600 MYR
  • 500 AED
  • 2300 ZAR
  • 150 GBP
  • 172 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