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PHONE AiPhone 3GS
No fresh verified price
Full specs →DATA-DRIVEN PHONE COMPARE
iPhone 3GS vs iPhone 4
13 source-backed differences · 5 fields the same. Official sources below.
✓Both records verified · latest Aug 19, 2026
Comparing shared product base specs.
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PHONE BiPhone 4
No fresh verified price
Full specs →Direct answer
iPhone 3GS has advantages in design & dimensions, while iPhone 4 has advantages in rear cameras.
Top Differences
Prioritize what matters to you, then expand the full shared field set.
✓18 registry fields
What Changed
Deterministic differences from the verified structured records.
3 MP compared with 5 MP
8 GB compared with 16 GB, 32 GB
30 compared with 40
12.3 compared with 9.3
115.5 compared with 115.2
Full Comparison
Expand every verified field and inspect the complete side-by-side data.
✓18 registry fields
FieldiPhone 3GSiPhone 4Why it matters
Main cameraMarginal difference2 official sources3 MP5 MPResolution is one part of camera detail and crop flexibility.
TypeMarginal difference1 official sourceUnknownVGA-quality photos and video at up to 30 frames per second with the front cameraNo universal winner; decide based on your use case.
FieldiPhone 3GSiPhone 4Why it matters
WeightMinor difference2 official sources135 g137 gWeight affects long sessions and one-handed comfort.
Depth mmMarginal difference2 official sources12.39.3No universal winner; decide based on your use case.
Height mmMarginal difference2 official sources115.5115.2No universal winner; decide based on your use case.
Width mmMarginal difference2 official sources62.158.6No universal winner; decide based on your use case.
FieldiPhone 3GSiPhone 4Why it matters
Storage optionsMarginal difference2 official sources8 GB16 GB, 32 GBAvailable capacities determine local media and app headroom.
ContentsMarginal difference2 official sourcesiPhone 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 standardsiPhone 4, Apple Earphones with Remote and Mic, Dock Connector to USB Cable, USB Power Adapter, Documentation, Environmental Status Report, iPhone 4 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, Mail attachment support, Viewable document types: .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel), Bumpers for iPhone 4, Dress up your iPhone 4 with a Bumper. Choose one of six colors - white, black, blue, green, orange, or pink - and slip it around the edge of your iPhone 4. With metal buttons for volume and power, two-tone colors, and a combination of rubber and molded plastic, Bumpers add a touch of style to any iPhone 4.No universal winner; decide based on your use case.
ReleaseYearMarginal difference1 official source20092010No universal winner; decide based on your use case.
FieldiPhone 3GSiPhone 4Why it matters
Audio playback hoursMarginal difference2 official sources3040No 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.
TechnologyMarginal difference1 official sourceUnknownRetina displayNo universal winner; decide based on your use case.
What’s the same
Which should you buy?
iPhone 3GS and iPhone 4 trade strengths: iPhone 3GS leads in Design, while iPhone 4 leads in Camera.
- Choose iPhone 3GS if you prioritize design.
- Choose iPhone 4 if you prioritize camera.
Category-by-category
Leads in camera.
Leads in design.
Comparable across other.
Comparable across battery.
Comparable across connectivity.
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.