Apple Watch Series 2 Aluminum 42Mm vs Apple Watch Series 7 Aluminum

Product

Price
475 USD
440 USD
Status
Available
Available
Brand
Apple iPhone
Apple iPhone
Model No
Watch Series 2 Aluminum 42Mm
Apple Watch Series 7 Aluminum

Technology
No cellular connectivity
GSM / HSPA / LTE
2G bands
N/AGPRS,NoEDGE,No
GSM 850 / 900 / 1800 / 1900
4G bands
42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in)
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
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
Speed
HSPA 42.2/5.76 Mbps, LTE

Dimensions
42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in)
45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)
Weight
34.2 g body (1.20 oz)
32 g (41mm), 38.8 g (45mm) (1.13 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
42 mm
45 x 38 mm
Water resistance
IP6X, water resistant to 50m

Size
1.65 inches, 8.6 cm2 (~55.4% screen-to-body ratio)
1.9 inches
Resolution
390 x 312 pixels (~303 ppi density)
484 x 396 pixels (~326 ppi density)
Type
Retina LTPO OLED, 1000 nits (peak)

Chipset
Apple S2 (16 nm)
Apple S7
CPU
PowerVR G6200
Dual-core
OS
watchOS 8.0
GPU
PowerVR

Storage
8GB 512MB RAM
32GB
Card Slot
No
No

Capacity
Non-removable Li-Ion 334 mAh battery (1.27 Wh)
Li-Ion, non-removable
Charging
Wireless charging

Loudspeaker
Loudspeaker ,Yes 3.5mm jack ,No
Yes
3.5mm jack
No

Launch Date
2021, October 15

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

WLAN
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
5.0, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, GALILEO, QZSS, BDS