BLU J4 vs Oppo Watch 2 42mm LTE
BLU J4
Oppo Watch 2 42mm LTE
-
Network
-
2G networkGSM 850, 900, 1800, 1900N/A
-
3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 2100
-
4G network-1, 3, 5, 8, 34, 38, 39, 40, 41 - China
-
HSDPA speed21.1 Mbps42.2 Mbps
-
HSUPA speed5.76 Mbps5.76 Mbps
-
GPRSYes-
-
EDGEYes-
-
Availability
-
Oficially announced2019-102021-07
-
Status2019-102021-07
-
Design
-
BuildPlasticGlass front, aluminum frame
-
SIMDual SIM (Nano-SIM, dual stand-by)eSIM
-
Height151 mm42.8 mm
-
Width72.3 mm36.8 mm
-
Thickness10 mm11.4 mm
-
Weight158 g31 g
-
Waterproof-5ATM
-
ColorsBlack, Blue, BrownBlack, Rose Gold
-
Display
-
Display typeIPS LCD capacitive touchscreenAMOLED
-
Physical size5.5 inches1.75 inches
-
Resolution720 x 1440 pixels372 x 430 pixels
-
Pixel density293 ppi326 ppi
-
Display colors16777216-
-
MultitouchYes-
-
Hardware
-
CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.7 GHz Cortex-A53
-
Chipset-Qualcomm Snapdragon Wear 4100
-
GPUMali-400Adreno 504
-
Memory RAM1 GB1 GB
-
Internal storage32 GB8 GB
-
Memory cardmicroSD, microSDHC, microSDXCNo
-
Memory card max64 GB-
-
StorageeMMC 5.1eMMC 4.5
-
OS
-
OSAndroid 8.1 Oreo Go EditionAndroid Wear OS - global; ColorOS Watch 2.0 - China
-
Main camera
-
Camera typeSingle-
-
Main camera8 MP
-
Primary camera-No
-
Primary camera video720p@30fps-
-
Primary camera flashLED flash-
-
Selfie camera
-
Selfie camera8 MP
-
Selfie camera video720p@30fps-
-
Sound
-
3.5mm jackYesNo
-
LoudspeakerYesYes
-
EarpieceYes-
-
Multimedia
-
RadioFM RadioNo
-
Connectivity
-
WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
-
WLAN WiFi HotspotYes-
-
WLAN WiFi DirectYes-
-
USBmicroUSB 2.0No
-
Bluetoothv4.1v5.0
-
Bluetooth A2DPYesYes
-
bluetooth LEYesYes
-
NFC-Yes
-
GPSYes, with A-GPSYes, with A-GPS
-
GLONASS-Yes
-
GALILEO-Yes
-
BDS-Yes
-
Features
-
SensorsAccelerometerAccelerometer, barometer, gyro, heart rate, SPO2
-
Browser
-
HTMLHTML5-
-
Battery
-
Battery typeLi-PoLi-Ion
-
Battery capacity2200 mAh360 mAh
-
Battery removableRemovableNon-removable
-
Cost
-
Price75 USD240 USD