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Quad-Core Smartphones will Boost Performance?

Quad-Core Smartphones will Boost Performance?

Smartphones players have done much on the increasing screen size, loading advanced versions of operating system, reducing thickness of the device and so on. From last year beginning, the quad-core mania started. Instead of blindly counting on the theoretical benchmarks and expecting the device to perform more swiftly than the dual-core device, it is always better to understand other factors that actually affect the device performance in real-life tasks.

Theoretically multi-core can be compared to room with multiple doors. When too many people gathered in the room are asked to leave the room simultaneously, a 4 door room can be emptied easily compared to a 2 door room. Besides the fast processing, quad-core chips also promise better battery life. This is because, a single core has to work hard to complete a task on its own, while multiple cores does the same work with more ease, depleting the battery slower.


Theory is just theory. There are many factors that actually affect the processing speed.

Requirement for Operating System Support

No matter how many cores are there in the processor, there is nothing much it can do without the help of software. There should be software to divide a particular task and assign to each core a portion of the task. Technically this is called “Multithreading” and this process can be done only with the help of software. So it is important to have a software that supports multithreading.

Lack of Execution in apps and Games

Suppose you have a multi-cored device loaded with multithreading supported software. But what if the apps or games are not coded to support multithreaded execution? It is highly complicated for developers to write codes or debug apps and games to support such execution.

Limitations in Video Streaming

The most demanding applications that should ideally get benefited from multiple cores are gaming and videos. When threaded games are not being developed, streaming videos from various online sources also is not getting benefitted from multi-cores. The reason is that the videos steams cannot be easily broken up. So they end up being processed using a single core; other cores may be either idle or being used for less demanding tasks such as email.

Memory Bottlenecks

Apps processing can be divided into multiple cores. But the multiple cores are still using shared memory space; that means there is no dedicated memory assigned to each core. In some cases, the memory architecture can also become a bottleneck.  A single channel memory architecture reduces the data transfer rate between the memory and chipset, compared to a dual channel memory.

Battery Life

“More cores means less power” theory is not always right. It all depends on how intelligently the software is able to do the optimization to minimize the energy consumption. The energy efficiency is improved only when more demanding tasks are being carried out. But most of the time, multiple cores are being used for less demanding tasks, ultimately increasing the energy utilization.

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