Apple · iPhone

iPhone 4

Released June 2010

The iPhone 4 is Apple's 2010 iPhone, with the first Retina display at 326 ppi, the A4 chip, a 5-megapixel camera with HD video, a front camera for FaceTime and a glass and stainless steel design, suited to collectors and anyone comparing early iPhones.

Model history · 4 models, 2007–2010

Screen: 3.5″
Display: LCD, 60 Hz
Chip: A4
Memory: 512 MB
Storage: 8 GB – 32 GB
Main camera: 5 MP
Zoom: –
Battery: 1,420 mAh
Weight: 137 g

Compact

What reviewers say

Reviewers agree the iPhone 4's design is excellent and its high-resolution screen very sharp, and TechRadar praised the camera and call quality. All three raise concerns about the antenna losing reception when held; TechRadar and Trusted Reviews found it very expensive, and Trusted Reviews found battery life suffered under heavy use.

From techradar.com, cnet.com and trustedreviews.com

Specifications

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Display

Screen size: 3.5″
Resolution: 960 × 640
Sharpness: 330 pixels per inch
Panel: LCD
Refresh rate: 60 Hz
Peak brightness: 500 nits
Display type: Retina display; 3.5-inch (diagonal) widescreen Multi-Touch display
Pixel density: 326 ppi
Brightness detail: 500 cd/m² max brightness (typical)
Screen protection: Aluminosilicate glass front and back; fingerprint-resistant oleophobic coating on front and back
Display features: 800:1 contrast ratio (typical)

Performance

Chip: A4
Memory: 512 MB
Storage: 8 GB, 16 GB, 32 GB
CPU: 1.0 GHz Cortex-A8 (GSMArena); 512 MB of RAM (iFixit)
GPU: PowerVR SGX535 (GSMArena)

Cameras

Main camera: 5 MP
Ultra wide camera: None
Telephoto camera: None
Optical zoom: None
Front camera: 0.3 MP
Main camera: 5-megapixel still camera with LED flash and tap to focus
Front camera: VGA-quality photos and video at up to 30 fps
Video recording: HD (720p) up to 30 fps with audio
Camera features: Tap to focus video or still images; photo and video geotagging

Battery and charging

Battery: 1,420 mAh
Video playback (maker's claim): Up to 10 hours
Wireless charging: None
Battery life detail: Talk time up to 7 hours on 3G or 14 hours on 2G; standby up to 300 hours; internet use up to 6 hours on 3G or 10 hours on Wi-Fi; video playback up to 10 hours; audio playback up to 40 hours; 3.7 V, 1,420 mAh (iFixit)
Wired charging: Charging via USB to a computer or power adapter

Design

Type: Standard
Weight: 137 g
Thickness: 9.3 mm
Height × width: 115.2 × 58.6 mm
Materials: Aluminosilicate glass front and back with a stainless steel band
Colours: Black, white
Buttons: On/off, sleep/wake; ring/silent; volume up/down; Home
Sensors: Three-axis gyro; accelerometer; proximity sensor; ambient light sensor

Software

Operating system: iOS
Software at launch: iOS 4

Connectivity

Mobile network: GSM model: UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz) and GSM/EDGE (850, 900, 1800, 1900 MHz); CDMA model: CDMA EV-DO Rev. A (800, 1900 MHz)
SIM: Micro-SIM (GSMArena)
Wi-Fi: Wi-Fi 802.11b/g/n (802.11n 2.4GHz only)
Bluetooth: Bluetooth 2.1 + EDR
USB: 30-pin dock connector; 3.5 mm stereo headphone minijack; video out up to 1024 × 768 with the Dock Connector to VGA Adapter (sold separately)
Positioning: Assisted GPS; digital compass; Wi-Fi; cellular

Storage options

Storage
8 GB
16 GB
32 GB

Pros and cons

Pros

3.5-inch Retina display at 960 × 640 and 326 ppi, four times the pixels of the iPhone 3GS
5-megapixel camera with LED flash and 720p HD video, plus a VGA front camera
9.3 mm thick, against 12.3 mm for the iPhone 3GS

Cons

VGA-quality front camera
Wi-Fi 802.11n on 2.4GHz only
30-pin dock connector

Closest rivals

Model	Screen	Display	Chip	Memory	Storage	Main camera	Zoom	Battery	Weight	Released
AppleiPhone 4S	3.5″	LCD, 60 Hz	A5	512 MB	8 GB – 64 GB	8 MP	–	1,432 mAh	140 g	Oct 2011
Sony EricssonSatio	3.5″	LCD	–	–	68 MB	12.1 MP	–	–	126 g	2009
AppleiPhone 3GS	3.5″	LCD, 60 Hz	Samsung S5PC100	256 MB	8 GB – 32 GB	3 MP	–	1,219 mAh	135 g	Jun 2009

Previous model: iPhone 3GS. Newer model: iPhone 4S.

Sources

Photo: cdsassets.apple.com

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