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

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
PhoneArena Battery Tests
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)
PhoneArena Camera Tests
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
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