All things about Apple Processors

Apple Inc has been using its own System On Chips to power up their iDevices since launch. Apple has been using different naming schema when compared to other SoC manufacturers. There wouldn’t be any difficult combinations here like Snapdragon 8xxx, Exynos 5xxx etc. Apple usually calls its processors with the combination of alphabet and numeric number like A4, A5. Later they were added another alphabet at postfix to differentiate as the powerful processors – A5X, A6X.
Apple APL0XXX :

Apple started designing the SoCs in June 2007. The first SoC named APL0098, it was manufactured based on 90nm fabrication process and clocked at 412 MHz, it contains only one core along with 16KB cache memory. It was combined with 32-bit Single channel LPDDR RAM, which had clocked at 103 MHz, Apple included PowerVR MBX Lite GPU to handle the graphics, it was clocked at 103 MHz. iPhone, iPod Touch (1st Gen), iPhone 3G are the devices which utilized APL0098 processor so far.

Under the APL0XXX brand Apple had released total four processors which are having the clock frequencies ranging from 412 MHz-800MHz. Apple had included variety of processors in different devices including iPhone 3GS too.

Apple A4 :

Apple A4 was designed based on Cortex A8 CPU architecture. It is the Single-core processor clocked at 800 MHz- 1GHz. The A4 has used in iPhone 4, iPad, iPod Touch (4th Gen), Apple TV (2nd Gen). The SGX535 in the A4 could push 35 million polygons/second and 500 million pixels/second, although in real world tests it struggled to pull off even 7 million flat shaded polygons. Interestingly, A4 chipset doesn’t have the built-in RAM, instead of that Apple went with PoP installation means, there is a package with two lower power 128MB DDR SDRAM chips total of 256MB RAM mounted in top of the chipset. Where, iPhone 4 uses two 256 MB PoP chipsets so in the result iPhone 4 becomes faster than previous generation iDevices.
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Questions To Ask When You Compare The Top Air Purifiers


If you or any of your family members have asthma and dust allergy, the best thing you can do is to invest in an air filter or a room air cleaner to ensure better breathing experience at least within home. Not just for asthma and allergy, this type of investment can be the best in the case of your family members with hay fever or COPD problem.

In case one of your family members is a smoker, a room air cleaner or an air filter can be of great help. Also, reports state that passive smoking can worsen asthma symptoms and it can also cause nasal congestion in kids. Of course, you would be interested in investing on the best rated air purifier. But, when it comes to making such an investment, it is important that you should get answer to the following questions from the sellers, when you are in the process of comparing different top air purifiers in the market. Here are the details about questions to ask during this investment process:

Is the unit large enough?

The right size of the purifier is determined on the basis of the Clean Air Delivery Rate (CADR) of the unit. This is the scale used for measuring the quality of air purifiers. This rate will give you the answer whether the purifier will clean the air in your big size bedroom at equal intervals of every 4-6 minutes.

How difficult is to change the filter?


Remember to ask the seller for a demonstration even when you plan to invest on the best value air purifiers. Ask the number of days within which the filter or filters are to be changed in an average home with a smoker as a family member. Also, remember to check the cost of replacement filters and also check about the money you will have to spend when buying them over the internet.

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