Apple Watch Series 7 Aluminum vs Apple Watch Series 4 Aluminum
Product
Price
440 USD
472 USD
Status
Available
Available
Brand
Apple iPhone
Apple iPhone
Model No
Apple Watch Series 7 Aluminum
Watch Series 4 Aluminum
Launch Date
2021, October 15
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International
HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
HSDPA 850 / 900 / 2100 / 800 - Europe, Australia ,HSDPA 850 / 1700(AWS) / 1900 / 800 - USA, LATAM, Canada ,HSDPA 2100 - China
4G bands
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International
1, 2, 3, 4, 5, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Speed
HSPA 42.2/5.76 Mbps, LTE
HSPA 42.2/5.76 Mbps, LTE
Dimensions
45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Weight
32 g (41mm), 38.8 g (45mm) (1.13 oz)
36.7 g (1.31 oz)
Build
Glass front, ceramic/sapphire crystal back, aluminum frame
SIM
eSIM
IP6X certified
50m water resistant
ECG certified (region dependent SW application; HW available on all models)
Colors
Starlight, Midnight, Blue, Green, Red
Case size
45 x 38 mm
44 x 38 mm
Water resistance
IP6X, water resistant to 50m
Type
Retina LTPO OLED, 1000 nits (peak)
Size
1.9 inches
1.78 inches, 10.0 cm2 (~60.0% screen-to-body ratio)
Resolution
484 x 396 pixels (~326 ppi density)
448 x 368 pixels (~326 ppi density)
OS
watchOS 8.0
Chipset
Apple S7
Apple S4
CPU
Dual-core
PowerVR
GPU
PowerVR
Storage
32GB
16GB
Card Slot
No
No
Capacity
Li-Ion, non-removable
Non-removable Li-Ion 292 mAh battery (1.12 Wh)
Charging
Wireless charging
Health sensors
Heart rate, SpO2
Sensors
Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max
Natural language commands and dictation (talking mode)
Ultra Wideband (UWB) support
Loudspeaker
Yes
Loudspeaker ,Yes 3.5mm jack ,No
3.5mm jack
No
WLAN
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
5.0, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, GALILEO, QZSS, BDS

