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WhichPhoneToBuy

Google Pixel 9a vs Samsung Galaxy S24

The Samsung Galaxy S24 comes out ahead on 7 counts and the Google Pixel 9a on 3.

Which should you buy?

Pick the Google Pixel 9a for

  • Bigger battery: 5,100 vs 4,000 mAh (28% more)
  • OS updates for longer, until Apr 2032
  • Newer: launched April 2025

Pick the Samsung Galaxy S24 for

  • Faster wireless charging: 15 W vs 7.5 W
  • Lighter: 168 g vs 187.1 g (19.1 g less)
  • Thinner: 7.6 mm vs 8.9 mm
  • More compact: 7.9 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 7.9 mm taller, 3.1 mm wider, 1.3 mm thicker and 19.1 g heavier than the Samsung Galaxy S24. Its screen is 0.1" larger.

  • Google Pixel 9a154.9 × 73.7 × 8.9 mm
  • Samsung Galaxy S24147 × 70.6 × 7.6 mm

Specs side by side

LaunchGoogle Pixel 9aSamsung Galaxy S24
AnnouncedMarch 19, 2025January 17, 20241
ReleasedApril 10, 2025January 31, 20241
Launch price$499—
BodyGoogle Pixel 9aSamsung Galaxy S24
Size154.9 × 73.7 × 8.9 mm147 × 70.6 × 7.6 mm
Thickness8.9 mm?7.6 mm (better)
Weight187.1 g168 g (better)
FrameSatin metalaluminum
BackComposite mattematte glass1
Water resistanceIP68IP681
ColoursObsidian, Porcelain, Iris, PeonyCobalt Violet, Amber Yellow, Onyx Black, Marble Gray
DisplayGoogle Pixel 9aSamsung Galaxy S24
Size6.3"6.2"
TypepOLEDDynamic AMOLED 2X
Resolution1080 × 24241080 × 23401
Refresh rate120 Hz120 Hz
Peak brightness2,700 nits2,600 nits
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass Victus 21
Performance and softwareGoogle Pixel 9aSamsung Galaxy S24
ChipsetGoogle Tensor G4Samsung Exynos 2400 (worldwide); Qualcomm Snapdragon 8 Gen 3 (North America, East Asia)
CPU—Exynos: Deca-core (1x3.2GHz Cortex-X4 & 2x2.9GHz Cortex-A720 & 3x2.6GHz Cortex-A720 & 4x1.95GHz Cortex-A520); Snapdragon: Octa-core (1x3.3 GHz Cortex-X4 & 5x3.2 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)1
Process—4 nm1
Ships withAndroid 15Android 14 with One UI 6.11
OS updates7 years (to Apr 2032) (better)7 years (to Jan 2031)1
Security updates7 years (to Apr 2032) (better)7 years (to Jan 2031)1
MemoryGoogle Pixel 9aSamsung Galaxy S24
RAM8 GB8 GB / 12 GB (better)
Storage128 GB / 256 GB128 GB / 256 GB / 512 GB (better)
Card slotNo1—
CamerasGoogle Pixel 9aSamsung Galaxy S24
Rear48 MP Main, OIS 13 MP Ultrawide50 MP Main, OIS 10 MP Telephoto (3× optical) 12 MP Ultrawide
Main camera48 MP50 MP
Optical zoomNone3× (better)
Front13 MP12 MP
Video4K at 60 FPS—
BatteryGoogle Pixel 9aSamsung Galaxy S24
Capacity5,100 mAh (better)4,000 mAh1
Wired charging23 W25 W
Wireless charging7.5 W15 W (better)
Reverse wireless—Yes1
ConnectivityGoogle Pixel 9aSamsung Galaxy S24
5GYesYes1
Wi-FiWi-Fi 6EWi-Fi 6E1
Bluetooth5.35.31
NFCYesYes1
USBUSB Type-C 3.2USB-C 3.2 (5Gbps)1
Headphone jackNo1—
eSIMYesYes1
FeaturesGoogle Pixel 9aSamsung Galaxy S24
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 S24 pages.

Quick answers

Is the Google Pixel 9a bigger than the Samsung Galaxy S24?
The Google Pixel 9a is 7.9 mm taller, 3.1 mm wider, 1.3 mm thicker and 19.1 g heavier than the Samsung Galaxy S24. Its screen is 0.1" larger.
Which has the bigger battery, the Google Pixel 9a or the Samsung Galaxy S24?
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?
The Google Pixel 9a: its maker promises OS updates until around April 2032, against January 2031 for the Samsung Galaxy S24.

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