Panache Blog | India's Top Technology Guide

Apple iPhone 4 announced at WWDC 2010

by on Jun.08, 2010, under Gadgets, Mobile, News, Technology

iPhone 4

Apple has finally unveiled its new iPhone 4 after a few months of leaks (found in bar and other in Vietnam) and news. It’s just about everything we’d expected. We’ve listed all the features of the new Apple iPhone 4 here below.

The design

The hardware is same as of the leaked one, Black glass and stainless steel rim. The size is smaller than the previous generation: 34% thinner than the iPhone 3GS, though its 3 grams heavier. According to Apple, it’s the thinnest smart phone ever. It has split buttons for volume, unlike the current iPhone 3GS, all made in stainless steel.

The stainless steel band
The stainless steel band that goes around the phone is an antenna system for 3G and Wi-Fi, while also providing the main structure of the phone. In theory, this will greatly increase the reception abilities of the new iPhone 4.

Physical size
The iPhone 4 is 4.5 x 2.31 inches, and 0.37 inches thick. It weighs 4.8 ounces (137 grams).

iPhone 4

The hardware

The brand new processor
Like the iPad, it has an Apple A4 chip inside. Inside the A4 chip, a Cortex-A8 main processor unit (the main brain), paired with a PowerVR SGX 535 (which handles the high definition graphics of the new iPhone) is interconnected. These are directly connected with each other and two low-power 128MB DDR SDRAM chips. Since all these components are in the same chip, Apple claims the iPhone 4 can process data more quickly while consuming less battery than before.

Battery life

The battery is 16% bigger than the current one. Coupled with the A4 processor and new display, it results in a longer battery life: Apple claims 40% more talk time. Their figures are:

• Talk over 3G: 7 hours.
• Browsing over 3G: 6 hours.
• Browsing over Wi-Fi: 10 hours.
• Video: 10 hours.
• Music: 40 hours.
• Stand-by: 300 hours.

The A4 also consumes less power because its sub-components can be switched on and off when they are not needed, shaving watts whenever it’s possible.

The display
It has a new 3.5-inch multitouch high resolution display that doubles the pixels in each direction (960 x 640) for a four times overall pixel count increase than the iPhone 3GS’ display — Apple calls it a “Retina Display.” It’s rated at 326ppi, which Apple claims is beyond the human eye’s limit of distinction.

iPhone 4

The apps will take automatic advantage of the increased relative resolution, which mean they will be a lot sharper for text, 3D graphics, and vectorial art. The developers will need to include higher resolution bitmap images to make the app look perfect.

The display has an oleophobic layer that makes it easier to clean.

The main camera
The new iPhone has a 5 megapixels camera, with 5X digital zoom and a “backside illuminated sensor,” which now can also record HD video at 720p / 30fps. The camera is backlit and has bigger lenses too. This would enable you to take better photos and video in low light conditions, and your pictures will look a lot better.

iPhone 4

The camera also has a LED-based flash, which works both for photographs and video. To focus, both for photographs and video—you just need to tap on the screen.

The video call camera
In the front, there’s a video calling or conference camera, with standard VGA resolution. This camera will be used with third-party applications, as well as Apple’s own video conference solution.

The new iPhone 4 has a built-in gyroscope. This gives developers “six axis” motion control between the gyroscope, accelerometer, and compass, with a new “Core Motion” API to deal with it all.

• Like the iPad 3GS, the new iPhone uses the new micro-SIM standard.
• It has an additional microphone on the top used for noise cancellation.

The software


The new iPhone 4 comes with iOS 4. It includes few new feature, biggest being, the selective multi-tasking, Apple’s way to multitask some application features without consuming too many resources and battery power.

iPhone 4

The new iOS 4 supports Apple’s Retina display using resolution independence. This means that applications will automatically get scaled for the new resolution looking sharper (pixels won’t break). That includes typography, 2D vector graphics, and 3D graphics. Application developers will get high resolution text and buttons as part of iOS 4.

Video calling
One of the huge feature of the new iPhone 4 is probably video calling, thanks to its front camera(VGA). Apple calls it FaceTime, and it works iPhone 4 to iPhone 4 over Wi-Fi—at least for 2010. Apple claims that in the future it will be available over 3G.

iPhone 4

The iPhone 4 can use both cameras for video calling, so you can broadcast what is in front of you to another iPhone 4.

iMovie for iPhone

The new iPhone 4 will be able to use a new editing software from Apple: iMovie for iPhone. It comes with 1,500 new features.

The new iMovie for iPhone works on even 720p high definition. You can use it to cut the video clips, add automatic Ken Burns effects for still images and a music soundtrack taken from your iPhone’s tunes. After you are done with your movie, you can export it to 360p, 520p, and 720p.

It’s a separate application, however, it doesn’t come built-in with the iPhone 4.

iBooks will also be available for the new iOS4. According to apple new iPhone 4′s 325 pixel-per-inch display will make the books perfectly readable.

Price and availability

The Phone 4 will be available in black or white on June 24, and will cost $199 and $299 for 16 and 32GB if you are a new user or you are eligible for an upgrade.

iPhone 4

If you are an existing iPhone user, the early upgrade will cost you $399 and $499. Without contract, the iPhone 4 is $499 and $599.

The 3GS in the meantime will go for $99 and 3G is no more. Pre-order will start from tomorrow. The number of countries will keep increasing by the month and by September, the iPhone 4 will ship to 88 countries. Its still not known when India will get its hands on the iPhone 4. We hope it comes soon.

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