Apple Watch Series 9 (45mm)

Full Specifications

Released · Sep 22, 2023

1.7-inch

308 mAh

1GB · 64GB

9.0

Read Apple Watch Series 9 (45mm) Review

I want it 1 user

I have it 0 users

I had it 0 users

Deals

$107off $322 $949

Popular Comparisons

The Apple Watch Series 9 (45mm) is most commonly compared with these phones:

• 

  Apple Watch Series 9 (45mm)
  vs
  

  Apple Watch SE (2022)
• 

  Apple Watch Series 9 (45mm)
  vs
  

  Apple Watch Series 9 (41mm)
• 

  Apple Watch Series 9 (45mm)
  vs
  

  Apple Watch Series 10 (46mm)
• 

  Apple Watch Series 9 (45mm)
  vs
  

  Apple Watch Series 8 (45mm)
• 

  Apple Watch Series 9 (45mm)
  vs
  

  Apple Watch Ultra 2

Design
Dimensions	1.61 x 1.38 x 0.42 inches 41 x 35 x 10.7 mm
Weight	1.82 oz (51.5 g)
Materials	Back: Ceramic Frame: Aluminum
Resistance	Water, Dust; IP6X
Colors	Midnight, Starlight, Green, Blue, Red

Display
Size	1.7-inch
Resolution	430x352px, 329 PPI
Technology	OLED
Screen-to-body	63.01 %
Peak brightness	1000 cd/m2 (nit)

Hardware
System chip	Apple S9
Processor	Dual-core
GPU	PowerVR
RAM	1GB
Internal storage	64GB
Storage expansion	not expandable
OS	watchOS (10.x)

Battery
Capacity	308 mAh
Type	Li - Ion
Charging	Qi wireless charging

Connectivity & Features
Bluetooth	Yes
Wi-Fi	802.11 b,g,n
Location	A-GPS, Glonass, Galileo, BeiDou, QZSS
Sensors	Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen
Other	NFC, Ultra Wideband (UWB)

Multimedia
Speakers	Loudspeaker
Additional microphone(s)	Yes

Cellular
4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)	Bands 39(1900+), 40(2300), 41(2600+)
3G	Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed	LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type	eSIM

Availability
Officially announced	Sep 12, 2023

Despite our efforts to provide full and correct Apple Watch Series 9 (45mm) specifications, there is always a possibility of admitting a mistake. If you see any wrong or incomplete data, please

LET US KNOW.

If you are interested in using our specs commercially, check out our Phone specs database licensing page.

News

Overwhelming new Best Buy deal drops this Apple Watch Series 9 model with LTE to an unrivaled price

What could possibly be better than a 2024-released Apple Watch Series 10 (in your size, color, and connectivity variant of choice) at a $100 discount? Well, how about an older and only slightly humbler Apple Watch Series 9 marked down by a staggering...

-$238

Hurry, less than 24 hours left to grab the Apple Watch Series 9 for $120 off at Best Buy

A few days ago, we told you about a sweet offer at Walmart that let you grab a brand-new Apple Watch Series 9 at a massive $150 discount. And while this promo is sadly a thing of the past now, you can still save big time on Apple's former flagship — ...

-$120

Walmart is clearing out its Apple Watch Series 9 inventory with an exceptional 45mm deal

Released in the fall of 2023 and eclipsed in a number of key ways by its 2024 sequel, the Apple Watch Series 9 is obviously not the all-around best smartwatch available in 2025... unless you can find it at the right price. $279 may well be the sweet ...

-$150

Processors for the iPhone and Apple Watch are now being built in the U.S.

TSMC's first operational fab in Arizona, Fab 21, has started production of chips for customers including AMD's Ryzen 9000-series desktop processors. Also being manufactured in the facility are some parts of Apple's S9 system-in-package (SiP) processo...

Links

• Apple Watch Series 11 vs Series 9: are two years enough to evolve?
• Apple Watch Series 11 vs Series 9: are to years enough to evolve?
• Apple Watch Series 10 vs Series 9: All the differences explained
• Galaxy Watch 7 vs Apple Watch 9: It's a tie
• Galaxy Watch 7 vs Apple Watch 9: Early Impressions
• Google Pixel Watch 2 vs Apple Watch Series 9: What are the differences?