Apple Watch Series 2 vs. Apple Watch Series 7 (GPS + Cellular)

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Apple Watch Series 2 and Apple Watch Series 7 (GPS + Cellular). Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.

Smartwatch Specifications Comparison

Apple Watch Series 2 vs. Apple Watch Series 7 (GPS + Cellular) Comparison Chart
GENERAL Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Product Type Smart watch Smart watch
Operating System WatchOS 3 WatchOS 8
Supported Host Device OS iOS 10 or later iOS 15 or later
Wearing Style Watch style Watch style
Audio Input Microphone Microphone
Audio Output Speaker Speaker
Width 33.3 mm -
Height 38.6 mm -
Depth 11.4 mm -
Weight 28.2 g -
Body Details - Case only: 32 g
Body Material Aluminium Aerospace-grade aluminium alloy
Protection Waterproof Water-resistant, dust-resistant, crack-resistant
Colours Space black | Silver -
Clock Display Yes Yes
FEATURES Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Sensors Accelerometer, ambient light sensor, gyro sensor, heart rate Accelerometer, ambient light sensor, digital compass, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor, blood oxygen sensor
Tracking Data Distance, time, calories burned, activity, heart rate, steps taken Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, ECG
Goal Setting Yes Yes
Features Call handling, Retina Display technology Call handling, music remote handling, ECG accurate heart rate, camera remote control, Fall detection, Emergency SOS, irregular beat alerts, Family Setup support
Notifications Calendar, SMS, Email Calendar, SMS, Email, high and low heart rate
Vibrating Alert Yes Yes
Feedback Type - Audio alert, vibration alert, visual interface, voice (intelligent assistant)
Navigation (GPS) GPS/GLONASS receiver GPS/GLONASS/Galileo/BeiDou/QZSS receiver
Payment Technology - Apple Pay
Internet of Things (IoT) Compatible - Yes
IoT Intelligent Assistant - Siri
IoT Voice Controlled - Direct
CELLULAR Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Technology - WCDMA (UMTS)
Mobile Broadband Generation - 4G
SIM Card Type - Electronic SIM card (e-SIM)
CONNECTIVITY Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
3M UMTS Band - Band 1, Band 2, Band 5, Band 8, Band 10
4G LTE Band - Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66
Wireless Interface IEEE 802.11b/g/n, Bluetooth 4.0 IEEE 802.11b/g/n, Bluetooth 5.0
DISPLAY Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Type OLED - colour LTPO OLED - colour
Resolution 272 x 340 pixels 352 x 430 pixels
Screen Protection Ion-X glass Ion-X glass
Always On Display (AOD) - Yes
INPUT DEVICE Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Type Touch sensitive screen (Force Touch) Touch sensitive screen
CASE Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Case Size 38 mm 41 mm
Case Shape - Rectangular
Case Back Ceramic back Sapphire crystal and ceramic back
Case Details Silver aluminium | Stainless steel | Rose gold aluminium | Gold aluminium | Space grey aluminium | Space black stainless steel Midnight aluminium | Red aluminium | Silver stainless steel | Gold stainless steel | Graphite stainless steel | Starlight aluminium | Green aluminium | Blue aluminium
Crown Type Digital Digital with haptic feedback
BAND Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Band Type Sport band Sport band
Band Size S/M/L Regular
Fits Wrist with Circumference 130-200 mm 130-200 mm
Changeable - Yes
Clasp Type Pin-and-tuck Pin-and-tuck
Band Material Fluoroelastomer Fluoroelastomer
Band Colour White | Black | Pink sand | Concrete | Silver | Midnight blue | Pearl | Light pink/midnight blue | Yellow/light grey | Saddle brown | Space black Midnight | Red | Starlight | Dark cherry | Abyss blue | Clover | Silver | Gold | Graphite
STORAGE Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Storage Capacity - 32 GB
CPU Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Manufacturer Apple Apple
CPU Type S2 S7
Features - W3 Apple wireless chip, U1 chip
BATTERY Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Technology Lithium Ion Lithium Ion
Battery Life 18 hours 18 hours
Rechargeable Battery - Yes
Wireless Charging - Yes
MISCELLANEOUS Apple Watch Series 2 Apple Watch Series 7 (GPS + Cellular)
Included Accessories Power adapter, magnetic charging cable S/M band, M/L band, magnetic fast charger to USB-C cable (1 m)
Preloaded Software Siri Apple Pay, GymKit
Compliant Standards - IP6X
SAR Value 0.056 W/kg (head), 0.049 W/kg (limb) 0.7 W/kg (head), 1.5 W/kg (limb)
Max Depth of Water Resistance 50 m 50 m
Manufacturer Model Number - A2476
Warranty - 1-year warranty
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