DATA-DRIVEN PHONE COMPARE

iPhone 3GS vs iPhone 4

7 source-backed differences · 8 fields the same. Official sources below.

✓Both records verified · latest Aug 19, 2026

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PHONE A

iPhone 3GS

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Direct answer

iPhone 4 leads in Cameras; the two are otherwise comparable.

Key differences

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

✓18 registry fields

FieldiPhone 3GSiPhone 4Why it matters
Main cameraMarginal difference2 official sources3 MP5 MPResolution is one part of camera detail and crop flexibility.
FieldiPhone 3GSiPhone 4Why it matters
Storage optionsMarginal difference2 official sources8 GB16 GB, 32 GBAvailable capacities determine local media and app headroom.
FieldiPhone 3GSiPhone 4Why it matters
Audio playback hoursMeaningful difference2 official sources3040No universal winner; decide based on your use case.
FieldiPhone 3GSiPhone 4Why it matters
Depth mmMarginal difference2 official sources12.39.3No universal winner; decide based on your use case.
Width mmMinor difference2 official sources62.158.6No universal winner; decide based on your use case.
FieldiPhone 3GSiPhone 4Why it matters
WifiMarginal difference2 official sources802.11b/g Wi-Fi802.11b/g/n Wi-Fi (802.11n 2.4GHz only)No universal winner; decide based on your use case.
FieldiPhone 3GSiPhone 4Why it matters
ResolutionMarginal difference2 official sources480-by-320-pixel resolution at 163 ppi960-by-640-pixel resolution at 326 ppiNo universal winner; decide based on your use case.

What’s the same

Video playback10 hours
Display size3.5 in
Weight135 g
BluetoothBluetooth 2.1 + EDR
Height mm115.5
ContentsiPhone 3GS, Apple Earphones with Remote and Mic, Dock Connector to USB Cable, USB Power Adapter, Documentation, Environmental Status Report, iPhone 3GS embodies Apple’s continuing environmental progress. It is designed with the following features to reduce environmental impact:, PVC-free handset, PVC-free headphones, PVC-free USB cable, Bromine-free printed circuit boards, Mercury-free LCD display, Arsenic-free display glass, Majority of packaging made from post-consumer recycled fiberboard and biobased materials, Power adapter outperforms strictest global energy efficiency standards
CellularEDGE
Connector30-pin

Which should you buy?

iPhone 4 leads in Cameras; the two are otherwise comparable.

CHOOSE IPHONE 3GS
    CHOOSE IPHONE 4
    • Choose iPhone 4 if you prioritize cameras.

    Category-by-category

    CAMERAS · iPhone 4

    Leads in cameras.

    BATTERY · Comparable

    Comparable across battery.

    STORAGE · Comparable

    Comparable across storage.

    BODY · Comparable

    Comparable across body.

    CONNECTIVITY · Comparable

    Comparable across connectivity.

    DISPLAY · Comparable

    Comparable across display.

    FIELD-LEVEL PROVENANCE

    3 official sources

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

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