Google Pixel 3 vs Google Pixel 3a

A spec-by-spec comparison of the Google Pixel 3 and the Google Pixel 3a, taken from their full specification sheets. Green marks the better value in each measured row.

Head to head

Google Pixel 3Google Pixel 3a
Price$99$74
Our rating7/108/10
Battery2,915 mAh3,000 mAh
Wired charging18W18W
RAM (max)—4 GB
Storage (max)128 GB64 GB
Screen size5.5 in5.6 in
Main camera12.2 MP12.2 MP
Weight (lower is lighter)148 g147 g
ReleasedOct 2018May 2019
Summary: Google Pixel 3 is ahead on storage (max). Google Pixel 3a is ahead on our rating, battery, screen size, weight (lower is lighter).
★ Which should you buy? Google Pixel 3a is the stronger overall pick on the measured specs.

Display

Google Pixel 3Google Pixel 3a
TypeP-OLED, HDROLED
Size5.5 inches, 76.7 cm2 (~77.2% screen-to-body ratio)5.6 inches, 79.6 cm2 (~75.0% screen-to-body ratio)
Resolution1080 x 2160 pixels, 18:9 ratio (~443 ppi density)1080 x 2220 pixels, 18.5:9 ratio (~441 ppi density)
ProtectionCorning Gorilla Glass 5Dragontrail Glass

Platform

Google Pixel 3Google Pixel 3a
ChipsetQualcomm SDM845 Snapdragon 845 (10 nm)Qualcomm Snapdragon 670 (10 nm)
CPUOcta-core (4x2.5 GHz Kryo 385 Gold & 4x1.6 GHz Kryo 385 Silver)Octa-core (2x2.0 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPUAdreno 630Adreno 615
OS—Android 9.0 (Pie), upgradable to Android 12

Memory

Google Pixel 3Google Pixel 3a
RAM4GB LPDDR4X—
Internal Storage64GB or 128GB—
Card SlotNo—
Card slot—No
Internal—64GB 4GB RAM

Main Camera

Google Pixel 3Google Pixel 3a
Single12.2 MP, f/1.8, 28mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS12.2 MP, f/1.8, 28mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
FeaturesDual-LED flash, Pixel Visual Core, Auto-HDR, panoramaDual-LED flash, HDR, panorama, Night Sight, Top Shot, Portrait Mode, Super Res Zoom
Video4K@30fps, 1080p@30/60/120fps, 720p@240fps4K@30fps, 1080p@30/60/120fps

Selfie Camera

Google Pixel 3Google Pixel 3a
Dual8 MP, f/1.8, 28mm (wide), PDAF; 8 MP, f/2.2, 19mm (ultrawide), no AF—
FeaturesAuto-HDRHDR
Video1080p@30fps1080p@30fps
Single—8 MP, f/2.0, 24mm (wide), 1.12µm

Battery

Google Pixel 3Google Pixel 3a
TypeLi-Po 2915 mAh, non-removableLi-Po 3000 mAh, non-removable
Charging18W wired, PD2.0; 10W wireless (Qi) with Pixel Stand, 5W with other Qi chargers18W wired

Body

Google Pixel 3Google Pixel 3a
Dimensions145.6 x 68.2 x 7.9 mm (5.73 x 2.69 x 0.31 in)151.3 x 70.1 x 8.2 mm (5.96 x 2.76 x 0.32 in)
Weight148 g (5.22 oz)147 g (5.19 oz)
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum framePolycarbonate unibody (plastic back)
SIMNano-SIM and/or eSIMSingle SIM (Nano-SIM and/or eSIM)
Water & Dust ResistanceIP68 dust/water resistant (up to 1.5m for 30 mins)—

Comms

Google Pixel 3Google Pixel 3a
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE, aptX HD5.0, A2DP, LE, aptX HD
PositioningGPS, GLONASS, BDS, GALILEOGPS, GLONASS, Galileo
NFCYesYes
RadioNoNo
USBUSB Type-C 3.1USB-C 2.0

Launch

Google Pixel 3Google Pixel 3a
AnnouncedOctober 20182019, May 07
StatusAvailable. Released 2018, October 18Available. Released 2019, May 15
OS at LaunchAndroid 9.0 (Pie), upgradable to Android 12—

Frequently asked questions

Which has the better battery, Google Pixel 3 or Google Pixel 3a?

Google Pixel 3a — 2,915 mAh for the Google Pixel 3 versus 3,000 mAh for the Google Pixel 3a.

Which is lighter, Google Pixel 3 or Google Pixel 3a?

Google Pixel 3a — 148 g for the Google Pixel 3 versus 147 g for the Google Pixel 3a.

Which is newer, Google Pixel 3 or Google Pixel 3a?

Google Pixel 3a — Oct 2018 for the Google Pixel 3 versus May 2019 for the Google Pixel 3a.

Is the Google Pixel 3 or the Google Pixel 3a rated higher?

We rate the Google Pixel 3 7/10 and the Google Pixel 3a 8/10.

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