Google Pixel 3a vs Infinix Smart 20 HD

Google Pixel 3a wins narrowly over Infinix Smart 20 HD — 5.7 overall against 5.2. The Google Pixel 3a launched in 2019; the Infinix Smart 20 HD in 2026. Infinix Smart 20 HD has the bigger battery — 5,000 mAh against 3,000 mAh.

Google Pixel 3a: Specifications are still being confirmed — scores appear as data is verified.

Infinix Smart 20 HD: Limited confirmed specifications — categories without real data are not scored.

Overall winner
Google Pixel 3a

Google Pixel 3a

Google · Phone

5.7/ 10 — Below average

$268.99≈ €242 · ≈ £202≈ converted at today's rate · Buy on Amazon

Full specs & details
Infinix Smart 20 HD

Infinix Smart 20 HD

Infinix · Phone

5.2/ 10 — Below average

Check price on Amazon.com · Amazon.de · Amazon.co.uk

Full specs & details

Key highlights

HighlightGoogle Pixel 3aInfinix Smart 20 HD
ProcessorQualcomm SDM670 Snapdragon 670 (10 nm)Unisoc T7250 (12 nm)
Display5.6″ · OLED6.67″ · IPS LCD · 120 Hz
Main camera—8 MP wide (f/2, 1/4.0", 1.12µm)
Battery3,000 mAh · 18W charging5,000 mAh · 15W charging
RAM / Storage4GB / 64GB3GB / 64GB

Which is better?

  • Google Pixel 3a wins narrowly over Infinix Smart 20 HD — 5.7 overall against 5.2.
  • Category by category it is split — 2 scored categories each, with 2 tied.
  • Infinix Smart 20 HD has the bigger battery — 5,000 mAh against 3,000 mAh.
  • Infinix Smart 20 HD gives you the larger screen — 6.7 inches against 5.6 inches.
  • Google Pixel 3a charges faster — 18W wired against 15W.

Category scores

CategoryGoogle Pixel 3aInfinix Smart 20 HD
Performance3.5Tie3.5Tie
Display7.4Better5.3
Battery4.56.9Better
Design & Build6.2Tie6.2Tie
Software7.9Better6.0
Audio7.37.8Better
Camera—3.5
Call Quality—6.2

Open the interactive comparisonRadar chart, winner highlights and a differences-only view.

Reasons to consider

Google Pixel 3a

  • More RAM (4 GB vs 3 GB)
  • Faster charging (18W vs 15W)

Infinix Smart 20 HD

  • Bigger battery (5,000 mAh vs 3,000 mAh)
  • Larger display (6.67″ vs 5.6″)

Full specifications side by side

SpecificationGoogle Pixel 3aInfinix Smart 20 HD
Launch
Launch statusAvailableAvailable
Release date15 May 20196 Oct 2026
Platform
OSAndroidAndroid
OS versionAndroid 9.0 (Pie), upgradable to Android 11Android 15, XOS 15.1
Chipset (as published)Qualcomm SDM670 Snapdragon 670 (10 nm)Unisoc T7250 (12 nm)
CPUOcta-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPUAdreno 615Mali-G57 MP1
Memory
Memory variants (RAM/storage)4 GB RAM + 64 GB3 GB RAM + 64 GB
Card slotNoneDedicated slot
Display
Display size5.6″6.67″
Resolution1,080 × 2,220 pixels720 × 1,600 pixels
Panel typeOLEDIPS LCD
Display protectionAsahi Dragontrail Glass—
Refresh rate—120 Hz
Brightness (peak)—700 nits
Google Pixel 3a wins clearly on Display (7.4 vs 5.3)
Battery
Battery capacity3,000 mAh5,000 mAh
Wired charging18W15W
Infinix Smart 20 HD wins clearly on Battery (4.5 vs 6.9)
Body & build
Dimensions151.3 × 70.1 × 8.2 mm165.6 × 77 × 8.3 mm
Weight147 g—
MaterialsGlass, PlasticGlass, Plastic
SIMNano-SIM and/or eSIMNano-SIM + Nano-SIM
Colours—Night Pulse, Silver Dancer, Sunlike Orange
Connectivity
BluetoothBluetooth 5—
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0, OTG
PositioningGPS, GLONASS, GALILEOGPS
Audio
LoudspeakerStereoStereo
3.5mm jackYesYes
Camera
Front cameras12.2 MP wide (f/1.8, OIS)8 MP wide (f/2, 1/4.0", 1.12µm)
Rear cameras—8 MP wide (f/2, 1/4.0", 1.12µm)
Video (max)—1440p@30fps
Features
Sensors—Accelerometer, Proximity, Compass
Fingerprint—Side-mounted
Network
Network technologies—2G, 3G, 4G
Additional specifications
Main Camera · FeaturesDual-LED flash, HDR, panoramaDual-LED flash, panorama
Selfie Camera · Single12.2 MP, f/1.8, 28mm (wide), 1/2.55", 1.4m, dual pixel PDAF, OIS8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Connectivity · RadioNoFM radio

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