Which has the bigger battery, the Google Pixel 9 or the Nothing Phone (3)?

The Nothing Phone (3) has the bigger battery: 5,150 mAh against 4,700 mAh. Real battery life also depends on the chip and screen.

Google Pixel 9 vs Nothing Phone (3)

The Google Pixel 9 is 7.8 mm shorter, 3.6 mm narrower, 0.5 mm thinner and 20 g lighter than the Nothing Phone (3). Its screen is 0.37" smaller.

Body	Google Pixel 9	Nothing Phone (3)
Size	152.8 × 72 × 8.5 mm	160.6 × 75.6 × 9 mm
Thickness	8.5 mm (better)	9 mm
Weight	198 g (better)	218 g
Frame	Polished metal	Aluminum1
Back	Silky matte glass	Gorilla Glass Victus1
Water resistance	IP68	IP68
Colours	Peony, Wintergreen, Porcelain, Obsidian1	White, Black

Performance and software	Google Pixel 9	Nothing Phone (3)
Chipset	Google Tensor G4	Qualcomm SM8735 Snapdragon 8s Gen 4
CPU	1x 3.1 GHz Cortex-X4 + 3x 2.6 GHz Cortex-A720 + 4x 1.9 GHz Cortex-A5201	Octa-core (1x3.21 GHz Cortex-X4 & 3x3.0 GHz Cortex-A720 & 2x2.8 GHz Cortex-A720 & 2x2.0 GHz Cortex-A720)1
Ships with	Android 14	Android 15 with Nothing OS 3.5
OS updates	7 years (to Aug 2031)	—
Security updates	7 years (to Aug 2031)	—

Cameras	Google Pixel 9	Nothing Phone (3)
Rear	50 MP Main 48 MP Ultrawide	50 MP Main, OIS 50 MP Periscope telephoto (3× optical), OIS 50 MP Ultrawide
Main camera	50 MP	50 MP
Optical zoom	None	3× (better)
Front	10.5 MP	50 MP
Video	4K	4K at 60 fps1

Features	Google Pixel 9	Nothing Phone (3)
Fingerprint	Under display1	Under-display optical
Stereo speakers	Yes1	Yes

Highlighted: the better value where one is clearly better. Sources for each phone are listed on the Google Pixel 9 and Nothing Phone (3) pages.

Is the Google Pixel 9 bigger than the Nothing Phone (3)?: The Google Pixel 9 is 7.8 mm shorter, 3.6 mm narrower, 0.5 mm thinner and 20 g lighter than the Nothing Phone (3). Its screen is 0.37" smaller.
Which has the bigger battery, the Google Pixel 9 or the Nothing Phone (3)?: The Nothing Phone (3) has the bigger battery: 5,150 mAh against 4,700 mAh. Real battery life also depends on the chip and screen.