Apple Watch Series 7 Aluminum 45mm vs BLU J4
Apple Watch Series 7 Aluminum 45mm
BLU J4
-
Network
-
2G networkN/AGSM 850, 900, 1800, 1900
-
3G networkN/AHSDPA 850, 900, 1900, 2100
-
4G networkN/A-
-
HSDPA speed-21.1 Mbps
-
HSUPA speed-5.76 Mbps
-
GPRS-Yes
-
EDGE-Yes
-
Availability
-
Oficially announced2021-092019-10
-
Status2021-102019-10
-
Design
-
BuildGlass front, ceramic/sapphire crystal back, aluminum framePlastic
-
SIMNoDual SIM (Nano-SIM, dual stand-by)
-
Height45 mm151 mm
-
Width38 mm72.3 mm
-
Thickness10.7 mm10 mm
-
Weight38.8 g158 g
-
WaterproofIP6X (50m)-
-
Dust proofIP6X-
-
ColorsBlue, Green, Midnight, Red, StarlightBlack, Blue, Brown
-
Display
-
Display typeRetina LTPO OLEDIPS LCD capacitive touchscreen
-
Physical size1.9 inches5.5 inches
-
Resolution484 x 396 pixels720 x 1440 pixels
-
Pixel density326 ppi293 ppi
-
Display colors-16777216
-
ProtectionIon-X strengthened glass-
-
Multitouch-Yes
-
Display featuresAlways-on display, 1000 nits (peak)-
-
Hardware
-
CPUDual-coreQuad-core 1.3 GHz Cortex-A7
-
ChipsetApple S7-
-
GPUPowerVRMali-400
-
Internal storage32 GB32 GB
-
Memory RAM-1 GB
-
Memory card-microSD, microSDHC, microSDXC
-
Memory card max-64 GB
-
Storage-eMMC 5.1
-
OS
-
OSwatchOS 8.0, upgradable to 8.1Android 8.1 Oreo Go Edition
-
Main camera
-
Camera type-Single
-
Primary cameraNo-
-
Main camera8 MP
-
Primary camera video-720p@30fps
-
Primary camera flash-LED flash
-
Sound
-
3.5mm jackNoYes
-
LoudspeakerYesYes
-
Earpiece-Yes
-
Multimedia
-
RadioNoFM Radio
-
Connectivity
-
WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
-
WLAN WiFi Hotspot-Yes
-
WLAN WiFi Direct-Yes
-
WLAN WiFi Dual BandYes-
-
USBNomicroUSB 2.0
-
Bluetoothv5.0v4.1
-
Bluetooth A2DPA2DPYes
-
bluetooth LELEYes
-
NFCYes-
-
GPSYes, with A-GPSYes, with A-GPS
-
GLONASSYes-
-
GALILEOYes-
-
BDSYes-
-
QZSSYes-
-
Features
-
SensorsAccelerometer, always-on altimeter, barometer, compass, gyro, heart rate, SpO2, VO2maxAccelerometer
-
Browser
-
HTMLNoHTML5
-
Battery
-
Battery typeLi-IonLi-Po
-
Battery capacity309 mAh2200 mAh
-
Battery removableNon-removableRemovable
-
Wireless chargingYes-
-
SAR value
-
SAR(head)0.35 W/kg-
-
SAR EU(head)0.25 W/kg-
-
SAR EU(body)0.03 W/kg-
-
Cost
-
Price500 USD75 USD
-
Selfie camera
-
Selfie camera8 MP
-
Selfie camera video-720p@30fps
_small.jpg)
