Well, Inorder to find out which chipset is better among the three chipsets, first of all we need to know how these chipsets are different from each other.

1.) Mediatek: It is a Taiwanese company. It uses more cores in it’s processors(like octa core,hexa core,deca core). (Battery Life): The mediatek chipsets are known to be more power draining and results in less battery life.Now they are optimizing their processors to be more power efficient but still lags behind their competetion in terms of battery life. Performance: Performance wise their processors are very good.Due the availability of extra cores,mediatek processors can handle intensive and heavy tasks and they are very good at multi-tasking.But we can see all this practically if we have sufficient Ram.Yes more cores demand more Ram to give best performance. (Heating Problem)
Now coming to the heating problem. All the processors deliver heat while performing tasks. Mediatek processors deliver more heat(more cores=more heat) than the others. Graphics: Coming to graphics,Mediatek employs Mali graphics which is a third party graphics vendor(So graphics architectue is different from cpu and its performance may not match with cpu). It is really important to match the performances of cpu and gpu(graphics) so that the whole chipset performs efficiently and effectively.

2.)Snapdragon: Snapdragon chipsets are manufactured by Qualcomm (American) company. Snapdragon chipsets are not only just CPU’s they incorporate other many processors in their chipsets.This is the main difference between Snapdragon and other chipsets. Snapdragon chipsets are named as SoC’s (System on chip) which means their chipsets(SoC’s) have a CPU,GPU(Adreno Graphics),Image processor,Media processor,DSP(Digital Signal Processor),Cellular Modem unit,Wifi Modue,Radio Module,GPS Module,…etc. All these modules and Processors are inside of a snapdragon chip.Yes they incorporated all these things inside their chips.Hence their chips are costly. Battery Life: Snapdragon chipsets are best in terms of power efficiency compared to all other chipsets. Performance: Performance wise they perform really well. In multi-tasking,gaming,handling heavy and intensive tasks they are very good. Heating Problem: Snapdragon Processors generally deliver less heat compared to Mediatek and Intel Atom(Except the Snapdragon 810 Chipset-that faced many heating issues.) Graphics: Coming to graphics, they manufacture their own graphics called Adreno Graphics and incorporate into their chips. So here the performance of cpu and gpu are matched.

3.)Intel Atom: Every one is familiar with Intel processors because they are dominant in the PC market. Intel Atom processors are the initiative taken by the company to enter into mobile segment.Intel processors are best in PC’s but when it comes to mobile they have faced one problem…! (Battery Life): Yes, the problem they faced is Battery life. Intel company has experience in manufactuting processors for PC’s which consume power in watts(say 40 watts and above) but when it comes to mobile platform where the processors should run on power less than 5 watts, they had a problem in optimizing their processors to work on low power. Don’t worry that is all in the initial stage when they entered into mobile market. But recently in Q3 of 2015 they have announced their Mobile processors called core M-processors for mobile platform like tablets and smartphones. These processors are very power efficient and they consume power of 5 watts and below.But we may only see them in Smartphones or Tablets in 2016. Performance: Performance wise, i think i don’t need to tell you how Intel Processors do. They are very good both at PC’s and on Mobile. (Heating Problem): Intel Atom Processors also deliver more heat when running heavy and CPU intensive tasks or while using for long duration.Let us see how their core M- Processors perform. Graphics: Intel, till now used third party graphic vendors like Power VGR and Mali graphics in their CPU’s. Intel also have their own graphics called Intel Iris Graphics which they introduced in their 4th generation core i-series processors for PC’s. I am not sure but i have read somewhere that core M-Processors have Intel Graphics built in. Let us see them in 2016. After briefing all these things, Now tell me which chipset is better..? My answer: Till now, Snapdragon is the clear winner here. I have practically used Smartphones which have all these three processors and telling you my answer.The Smartphones that i have used are Micromax Unite 2 (Mediatek Processor) , HTC Desire X (Snapdragon Processor) , Asus Zenphone C (Intel Atom Processor).