DATA-DRIVEN PHONE COMPARE

Pixel 3a vs Pixel 4

12 source-backed differences · 7 fields the same. Official sources below.

✓Both records verified · latest Aug 20, 2026

Pick two phones to see a source-backed comparison.

Comparing shared product base specs.

VS

Direct answer

Pixel 3a has advantages in design & dimensions, while Pixel 4 has advantages in other.

Top Differences

Prioritize what matters to you, then expand the full shared field set.

✓19 registry fields

Ram gb4 → 6
Refresh rateUnknown → 90 Hz
ChipSnapdragon 670 → Snapdragon 855
Storage options64 GB → 64 GB, 128 GB
U.S. SIMNano SIM → Nano SIM + eSIM

What Changed

Deterministic differences from the verified structured records.

Ram gbPixel 4

4 compared with 6

Refresh rateDifferent, with no automatic winner

Unknown compared with 90 Hz

ChipDifferent, with no automatic winner

Snapdragon 670 compared with Snapdragon 855

Storage optionsDifferent, with no automatic winner

64 GB compared with 64 GB, 128 GB

U.S. SIMDifferent, with no automatic winner

Nano SIM compared with Nano SIM + eSIM

Full Comparison

Expand every verified field and inspect the complete side-by-side data.

✓19 registry fields

FieldPixel 3aPixel 4Why it matters
Display sizeMinor difference1 official source5.6 in5.7 inMore screen space changes reading and media comfort.
Refresh rateMarginal difference1 official sourceUnknown90 HzHigher refresh rates make motion and scrolling feel smoother.
ResolutionMarginal difference1 official source2220 x 1080UnknownNo universal winner; decide based on your use case.
FieldPixel 3aPixel 4Why it matters
ChipMarginal difference1 official sourceSnapdragon 670Snapdragon 855Newer silicon generally extends performance headroom.
FieldPixel 3aPixel 4Why it matters
WeightMinor difference1 official source147 g162 gWeight affects long sessions and one-handed comfort.
FieldPixel 3aPixel 4Why it matters
Storage optionsMarginal difference1 official source64 GB64 GB, 128 GBAvailable capacities determine local media and app headroom.
RatingMarginal difference1 official sourceUnknownIP68No universal winner; decide based on your use case.
Ram gbMeaningful difference1 official source46No universal winner; decide based on your use case.
FieldPixel 3aPixel 4Why it matters
U.S. SIMMarginal difference1 official sourceNano SIMNano SIM + eSIMSIM format determines carrier setup and travel flexibility.
FieldPixel 3aPixel 4Why it matters
Capacity mahMarginal difference1 official source30002800No universal winner; decide based on your use case.
FieldPixel 3aPixel 4Why it matters
Usb speedMarginal difference1 official sourceUSB 2.0USB 3.1 Gen 1No universal winner; decide based on your use case.
FieldPixel 3aPixel 4Why it matters
OsMarginal difference1 official sourceAndroid 9Android 10No universal winner; decide based on your use case.

What’s the same

Main camera12.2 MP
Front camera8 MP
BluetoothBluetooth 5
WifiWi-Fi 5
TechnologyOLED
ConnectorUSB-C
ReleaseYear2019

Which should you buy?

Pixel 3a and Pixel 4 trade strengths: Pixel 3a leads in Design, while Pixel 4 leads in Other.

CHOOSE PIXEL 3A
  • Choose Pixel 3a if you prioritize design.
CHOOSE PIXEL 4
  • Choose Pixel 4 if you prioritize other.

Category-by-category

OTHER · Pixel 4

Leads in other.

DESIGN & DIMENSIONS · Pixel 3a

Leads in design.

DISPLAY · Comparable

Comparable across display.

PERFORMANCE · Comparable

Comparable across performance.

REGIONAL VARIANTS · Comparable

Comparable across regional.

BATTERY · Comparable

Comparable across battery.

PORTS · Comparable

Comparable across ports.

SOFTWARE · Comparable

Comparable across software.

FIELD-LEVEL PROVENANCE

1 official source

Every compared field traces to an official product source. No model-generated specs, prices or winners.

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Pixel 3a vs Pixel 3a XLgenerationPixel 3a vs Pixel 4generationPixel 3a vs Pixel 4 XLgeneration