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WhichPhoneToBuy

Google Pixel 9a vs Samsung Galaxy S25

The Samsung Galaxy S25 comes out ahead on 7 counts and the Google Pixel 9a on 1.

Which should you buy?

Pick the Google Pixel 9a for

  • Bigger battery: 5,100 vs 4,000 mAh (28% more)

Pick the Samsung Galaxy S25 for

  • Faster wireless charging: 15 W vs 7.5 W
  • Lighter: 162 g vs 187.1 g (25.1 g less)
  • Thinner: 7.2 mm vs 8.9 mm
  • More compact: 8 mm shorter
  • Optical zoom (3×), which the other lacks
  • More RAM: up to 12 GB vs 8 GB
  • More storage: up to 512 GB vs 256 GB

Size comparison

The Google Pixel 9a is 8 mm taller, 3.2 mm wider, 1.7 mm thicker and 25.1 g heavier than the Samsung Galaxy S25. Its screen is 0.1" larger.

  • Google Pixel 9a154.9 × 73.7 × 8.9 mm
  • Samsung Galaxy S25146.9 × 70.5 × 7.2 mm

Specs side by side

LaunchGoogle Pixel 9aSamsung Galaxy S25
AnnouncedMarch 19, 2025January 22, 20251
ReleasedApril 10, 2025February 7, 20251
Launch price$499—
BodyGoogle Pixel 9aSamsung Galaxy S25
Size154.9 × 73.7 × 8.9 mm146.9 × 70.5 × 7.2 mm1
Thickness8.9 mm?7.2 mm1 (better)
Weight187.1 g162 g1 (better)
FrameSatin metal—
BackComposite matte—
Water resistanceIP68IP681
ColoursObsidian, Porcelain, Iris, PeonyIcyblue, Mint, Navy, Silver Shadow, Pinkgold, Coralred, Blueblack1
DisplayGoogle Pixel 9aSamsung Galaxy S25
Size6.3"6.2"
TypepOLEDDynamic LTPO AMOLED 2X
Resolution1080 × 24241080 × 23401
Refresh rate120 Hz120 Hz1
Peak brightness2,700 nits2,600 nits1
ProtectionCorning Gorilla Glass 3Gorilla Glass Victus 21
Performance and softwareGoogle Pixel 9aSamsung Galaxy S25
ChipsetGoogle Tensor G4Qualcomm Snapdragon 8 Elite For Galaxy1
CPU—2x 4.47 GHz Oryon (Phoenix L) and 6x 3.53 GHz Oryon (Phoenix M)1
Process—3 nm1
Ships withAndroid 15Android 15 with One UI 71
OS updates7 years (to Apr 2032)7 years (to Feb 2032)1
Security updates7 years (to Apr 2032)7 years (to Feb 2032)1
MemoryGoogle Pixel 9aSamsung Galaxy S25
RAM8 GB12 GB1 (better)
Storage128 GB / 256 GB128 GB / 256 GB / 512 GB (better)
Card slotNo1—
CamerasGoogle Pixel 9aSamsung Galaxy S25
Rear48 MP Main, OIS 13 MP Ultrawide50 MP Main, OIS 12 MP Ultrawide 10 MP Telephoto (3× optical), OIS
Main camera48 MP50 MP
Optical zoomNone3× (better)
Front13 MP12 MP1
Video4K at 60 FPS8K at 30 fps1
BatteryGoogle Pixel 9aSamsung Galaxy S25
Capacity5,100 mAh (better)4,000 mAh1
Wired charging23 W25 W1
Wireless charging7.5 W15 W1 (better)
Reverse wireless—Yes1
ConnectivityGoogle Pixel 9aSamsung Galaxy S25
5GYesYes1
Wi-FiWi-Fi 6EWi-Fi 71
Bluetooth5.35.41
NFCYesYes1
USBUSB Type-C 3.2USB Type-C 3.21
Headphone jackNo1—
eSIMYesYes1
FeaturesGoogle Pixel 9aSamsung Galaxy S25
FingerprintUnder displayUltrasonic under-display1
Stereo speakersYesYes1

Highlighted: the better value where one is clearly better. Sources for each phone are listed on the Google Pixel 9a and Samsung Galaxy S25 pages.

Quick answers

Is the Google Pixel 9a bigger than the Samsung Galaxy S25?
The Google Pixel 9a is 8 mm taller, 3.2 mm wider, 1.7 mm thicker and 25.1 g heavier than the Samsung Galaxy S25. Its screen is 0.1" larger.
Which has the bigger battery, the Google Pixel 9a or the Samsung Galaxy S25?
The Google Pixel 9a has the bigger battery: 5,100 mAh against 4,000 mAh. Real battery life also depends on the chip and screen.
Which gets software updates for longer?
About the same: OS updates run until around April 2032 for the Google Pixel 9a and February 2032 for the Samsung Galaxy S25.

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