Apple Watch Series 9 Al (45mm) vs. Apple Watch Series 9 (41mm) vs. Apple Watch Ultra 2

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Smart Watches

Apple Watch Series 9 Al (45mm)

Apple Watch Series 9 (41mm)

buy on
amazon

Apple Watch Ultra 2

Commercialization

Brand

Apple

Apple

Apple

Model

Watch Series 9 Aluminum

Watch Series 9

Watch Ultra 2

Known Since Year

Sold since year

Discontinued since year

Colors Available

Graphite, Silver, Gold, Red

Graphite, Silver, Gold, Red

Titanium

Communications

Cell Technology

4G

4G

4G

SIM/Chip Type

eSIM

eSIM

eSIM

Cell Bands

Intl, CH: 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66
USA, LATAM, CA: 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66

Intl, CH: 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66
USA, LATAM, CA: 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66

Intl, CH: 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66
USA, LATAM, CA: 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66

WiFi

802.11 b/g/n, dual-band

802.11 b/g/n, dual-band

802.11 b/g/n, dual-band

Bluetooth

5.3, A2DP, LE

5.3, A2DP, LE

5.3, A2DP, LE

Geolocation

GPS, GLONASS, GALILEO, QZSS, BDS

GPS, GLONASS, GALILEO, QZSS, BDS

GPS (L1+L5), GLONASS, GALILEO, BDS

NFC

Yes

Yes

Yes

Broadcast Radio

No

No

No

Wired Connection

No

No

No

CPU, Memory and Storage

Chipset

Apple S9

Apple S9

Apple S9

CPU(s)

Dual-core

Dual-core

Dual-core

GPU

PowerVR

PowerVR

PowerVR

RAM

Storage

Display

Technology

Retina LTPO OLED

Retina LTPO OLED

Retina LTPO OLED

Peak Brightness

2000 nits

2000 nits

3000 nits

Refresh Rate

Size (Diam.)

1.9 in

1.69 in

1.92 in

Horizontal Resolution

484 pixels

430 pixels

502 pixels

Vertical Resolution

396 pixels

352 pixels

410 pixels

Pixel Density

326 ppi

326 ppi

338 ppi

Features

Always-on display

Always-on display

Always-on display

Ruggedness and Band

Frame

aluminum frame

stainless steel frame

titanium frame

Display

Sapphire crystal glass

Sapphire crystal glass

Sapphire crystal glass

IP Rating

IP6X

IP6X

IP6X

Water Resistance

50m

50m

100m

Band Type

Features and Software

Original Operative System

watchOS 10

watchOS 10

watchOS 10

Updated Operative System

watchOS 10.5

watchOS 10.5

watchOS 10.5

Biometric Locking

No

No

No

Biometric Sensors

heart rate, SpO2, VO2max, temperature (body)

heart rate, SpO2, VO2max, temperature (body)

heart rate, SpO2, VO2max, temperature (body)

Other Sensors

Accelerometer, gyro, barometer, always-on altimeter, compass

Accelerometer, gyro, barometer, always-on altimeter, compass

Accelerometer, gyro, barometer, always-on altimeter, compass, temperature (water)

Energy and Autonomy

Battery Type/Chemistry

Li-Ion

Li-Ion

Li-Ion

Battery Capacity

Battery Replacement Model

non-removable

non-removable

non-removable

Wired Charging Tech.

No

No

No

Wired Charging Power

Wireless Charging Tech.

Yes

Yes

Yes

Wireless Charging Power

Product Dimensions and Weight

Height

Width

Thickness

Weight

Packaging Dimensions and Weight

Length

Width

Height

Weight