Apple Watch Series 7 vs Apple Watch Series 6 Aluminum

Product
Apple Watch Series 7
399 USD

Price
399 USD
399 USD
Status
Available
Available
Brand
Apple iPhone
Apple iPhone
Model No
Apple Watch Series 7
Apple Watch Series 6 Aluminum

Launch Date
2021, October 15
2020, September 18

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 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global
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
1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - Global
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 10.4 mm (1.73 x 1.50 x 0.41 in)
Weight
42.3 g (41mm), 51.5 g (45mm) (1.48 oz)
36.5 g (1.31 oz)
SIM
eSIM IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models)
eSIM 50m water resistant ECG certified (region dependent SW application; HW available on all models)
Colors
Graphite, Gold, Silver
Silver, Gold, Space Gray, Blue, Red
Build
Glass front, ceramic/sapphire crystal back, aluminum frame

Case size
45 x 38 mm
44 x 38 mm
Water resistance
IP6X, water resistant to 50m
water resistant to 50m

Type
Retina LTPO OLED, 1000 nits (peak)
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
watchOS 7.0, upgradable to 7.5
Chipset
Apple S7
Apple S6
CPU
Dual-core
Dual-core
GPU
PowerVR
PowerVR

Storage
32GB
32GB
Card Slot
No
No
RAM
1GB

Capacity
Li-Ion, non-removable
Li-Ion 303.8 mAh (1.17 Wh), non-removable
Charging
Wireless charging

Health sensors
Heart rate, SpO2
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
Accelerometer, gyro, heart rate (3rd gen), barometer, always-on altimeter, compass, SpO2, VO2max

Loudspeaker
Yes
Yes
3.5mm jack
No
No

WLAN
Wi-Fi 802.11 b/g/n, dual-band
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, GALILEO, QZSS, BDS
Yes, with A-GPS, GLONASS, GALILEO, QZSS
NFC
Yes
Yes
Radio
No
Yes
USB
No
No

Lens 1
No