Apple Watch Ultra 2 vs Apple Watch 9

Apple Watch Ultra 2 and Apple Watch 9 were released in September 2023. We compare the Apple Watch Ultra 2 and Apple Watch 9 in the comparison study below.

  • Apple Watch Ultra 2 supports dual-frequency GPS. Apple Watch 9 supports single band GPS.
  • Apple Watch Ultra 2 has a 10 ATM water resistance equivalent to 100 meters of depth. Apple Watch 9 has a 5 ATM water resistance equivalent to 50 meters of depth.
  • Apple Watch Ultra 2 case is made of titanium. Apple Watch 9’s case could be of recycled aluminum or recycled stainless steel.
  • Apple Watch Ultra 2 offers a siren for emergencies. The siren can be heard up to 600 feet distance. You will need to switch on the siren. The siren will continue sounding until you turn it off or your watch runs out of battery.
  • Apple Watch Ultra 2 is 49 mm in size and Apple Watch 9 comes in 45 mm or 41 mm sizes.
  • Apple Watch Ultra 2 has a battery life of up to 36 hours and Apple Watch 9 has a battery life of up to 18 hours.

We expand on these differences in detail below.

Apple Watch Ultra 2 and Apple Watch 9 use the retina display technology. Both watches can support Always-on-display mode.

However, Apple Watch Ultra 2 offers a peak screen brightness of up to 3000 nits. Apple Watch 9 can offer a peak brightness of up to 2000 nits.

  • Apple Watch Ultra 2 has a screen display area of 1185 sq mm.
  • Apple Watch 9 has a screen display area of 1143 sq mm (45 mm variant) and 904 sq mm (41 mm variant)
  • Apple Watch Ultra 2 has a display resolution of 410 by 502 pixels.
  • Apple Watch 9 has a display resolution of 396 by 484 pixels for the 45 mm variant.
  • Apple Watch 9 has a display resolution of 352 by 430 pixels for the 41 mm variant.
Apple Watch Ultra 2 in titanium body

Apple Watch Ultra 2 supports dual-band GPS. It can work on the L1 and L5 GPS bands. Dual band GPS allows the smartwatch to fetch GPS data from multiple satellite systems at the same time.

Dual-band or dual-frequency GPS improves GPS reliability and accuracy in the Apple Watch Ultra 2.

Apple Watch 9 can only support L1 GPS.

For athletes or outdoor activity enthusiasts, the Apple Watch Ultra 2 ticks all the boxes for improved GPS performance.

Apple Watch Ultra 2 has 100 meters of water resistance. This is equivalent to 10 ATM water resistance or 10 atmospheres pressure under water.

Apple Watch 9 has 50 meters of water resistance. This is equivalent to 5 ATM water resistance of 5 atmospheres pressure under water.

Additionally, the Apple Watch Ultra 2 comes with advanced features for swimmers and water sports enthusiasts.

Apple Watch Ultra 2 offers the following additional programs:

  • Depth gauge and temperature sensor
  • Depth app
  • Dive computer app

Apple Watch 9 and Apple Watch Ultra 2 support fast charging. However, Apple Watch Ultra 2 has a bigger battery.

  • Apple Watch Ultra 2 can last for up to 36 hours and Apple Watch 9 can offer battery backup of up to 18 hours.
  • Apple Watch Ultra 2 can last for up to 72 hours on the low power mode. The Apple Watch 9 can offer battery backup of up to 36 hours on the low power mode.

Apple Watch Ultra 2 comes with an in-built siren. The siren can be sounded anytime to seek emergency attention. The siren can be heard up to 180 meters or 600 feet from the watch.

The siren will keep sounding until you turn it off or the battery runs out of charge.

The siren functionality can be handy in fall detection or crash detection situations.

Apple Watch Ultra 2 is bigger than the Apple Watch 9. The physical specifications of Apple Watch Ultra 2 and Apple Watch 9 are compared below.

Physical specificationsApple Watch Ultra 2Apple Watch 9
Watch size49 mm45 mm and 41 mm
Weight61.4 gm45 mm – between 51.5 – 38.7 gms
41 mm – between 42.3 – 31.9 gms
Thickness14.4 mm10.7 mm
VariantsGPS + CellularGPS + Cellular
GPS
Watch bodyTitaniumStainless steel or aluminum

Apple Watch Ultra 2 has a dual speaker configuration. Apple Watch 9 comes with a single speaker.

Apple Watch Ultra 2 has an action button. The action button can be configured to perform the following actions by the watch user:

  • Workout
  • Stopwatch
  • Waypoint
  • Backtrack
  • Dive
  • Torch
  • Shortcut

Apple Watch Ultra 2 comes for a cost of $799. Apple Watch 9 costs between $399 (GPS) to $499 (GPS + Cellular)

Apple Watch Ultra 2 is more suitable for fitness enthusiasts, athletes, triathletes, and outdoor activity enthusiasts. For the additional money spent on Apple Watch Ultra 2, you get the following benefits

  • Dual band GPS support
  • Titanium case that can offer a sturdy body
  • Siren for emergency situations
  • 100 meters of water resistance

You may like to read more smartwatch comparisons below:

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