Google Pixel 9a vs Samsung Galaxy Watch Ultra (2025) Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

7.0
Google Pixel 9a	Samsung Galaxy Watch Ultra (2025)
Released · Mar 26, 2025	Not announced · Expected Jul 09, 2025
6.3-inch · 2424x1080px	1.5-inch · 480x480px
Dual camera
8GB · 128GB	2GB · 32GB
5100 mAh	590 mAh
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Design

Dimensions
6.09 x 2.88 x 0.35 inches (~0.37 inches with camera bump) 154.7 x 73.2 x 8.9mm (~9.4 mm with camera bump)
Weight
6.56 oz (186.0 g)	2.13 oz (60.5 g)
Materials
Back: Plastic Frame: Aluminum	Back: Glass (Sapphire), Ceramic Frame: Titanium
Resistance
Water, Dust; IP68	Water (up to 10 meters), Dust; IP68; MIL-STD-810 certified
Biometrics
Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key
Colors
Obsidian, Porcelain, Iris, Peony	Titanium Silver, Titanium Gray, Titanium White

Display

Size
6.3-inch	1.5-inch
Resolution
2424x1080px, 20:9 ratio, 421 PPI	480x480px, 453 PPI
Technology
P-OLED	Super AMOLED
Refresh rate
120Hz
Screen-to-body
79.39 %
Peak brightness
2700 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Sapphire), Ambient light sensor

Hardware

System chip
Google Tensor G4 (4 nm)	Exynos W1000 (3 nm)
Processor
Octa-core 1x 3.1GHz Cortex-X4 + 3x 2.6GHz Cortex-A720 + 4x 1.92GHz Cortex-A520
GPU
Mali-G715 MC7	Mali-G68
RAM
8GB (LPDDR5X)	2GB
Internal storage
128GB (UFS 3.1)	32GB
Storage expansion
not expandable
OS
Android (15)	Wear OS

Battery

Capacity
5100 mAh	590 mAh
Type
Li - Ion
Charging
Fast charging, Qi wireless charging	Qi wireless charging
Charge speed
Wired: 23.0W Wireless: 7.5W	Wireless: 10.0W

Battery Life Estimate

8h 11min

Browsing

19h 39min

Video

10h 57min

Gaming

12h 30min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Dual camera
Main camera
48 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 25 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
13 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/3.1" Pixel size: 1.12 μm
Flash
Dual LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)
Front
13 MP, Video capture: 3840x2160 (4K UHD) (30 fps)

134

Overall

143

Photo

126

Video

N/A

Overall

N/A

Photo

N/A

Video

Connectivity & Features

Bluetooth
5.3	5.3
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac
USB
Type-C, USB 3.2
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Pedometer, Compass, Heart rate, Thermometer, Barometer, Step detector, ECG, Blood Oxygen
Other
NFC	NFC

Multimedia

Headphones
No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Loudspeaker
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n20, n28, n48, n66, n71, n77, n78, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s	LTE
SIM type
Nano SIM, eSIM	eSIM

Buyers information

MSRP
$ 499
In The Box
Phone, papers, SIM ejector tool, Type-C cable

Availability

Officially announced
Mar 19, 2025
Expected Announcement
	Jul 09, 2025

Alternative variants

With 512GB internal storage


Internal storage	512GB

Links

Full specifications
Google Pixel 9a Specs	Samsung Galaxy Watch Ultra (2025) Specs
PhoneArena Review
Google Pixel 9a Review