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Cellphones Handhelds Hardware

Quad-Core Mobile Chips Wasted On Mobiles? 336

Posted by Soulskill
from the usefulness-versus-marketing dept.
An anonymous reader writes "Dual-core smartphones have only just hit the market, but mobile chipmakers Nvidia and Qualcomm are already turning their attention to quad-core chips. While it looks certain that tablets will be the first quad-core mobile devices in the market, chipmakers reckon they'll land in smartphones too. But do smartphones need quad-core chips? There's surely only so much multitasking a smartphone user can do. I'm interested to hear what smartphone apps/features/functions — if any — Slashdot readers reckon quad-core chips would enable"
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Quad-Core Mobile Chips Wasted On Mobiles?

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  • by znigelz (2005916) on Friday April 08, 2011 @10:10AM (#35757832)

    Currently, the Nvidia Tegra 2 chip has 8 cores. A high powered dual core A9-cortex ARM chip, a low powered A7 (for idle state and handling other low power interrupts), a core for HD video encode, a core for HD video decode, a core for audio, and a GPU. Though it lacks the Neon instruction set for full performance SIMD.

    OpenCL is currently on its way into the mobile world. Soon the mobile world will also make the transition into streaming multiprocessors. The thought of holding back these innovations is just ludicrous dribble. MIMD is soon going to replace rasterization with backwards rendering, which will require a high amount of complexity, which a quad core would be more ideal. Especially, if you want to exploit the heterogeneity of OpenCL with both the on board GPU and CPU. Maybe cloud rendering will eventually replace this, though I have my doubts. I want to be able to render my screen locally without connecting to the internets.

    I hope to one day be able to run test simulations on my tablet while I am waiting in line for lunch, see the results, and then execute heavier distributed processes.

  • Re:It's for gaming (Score:4, Informative)

    by shmlco (594907) on Friday April 08, 2011 @12:31PM (#35760206) Homepage

    Epic game developer calls iPad 2 graphics leap "astonishing"

    "Last year's A4 CPU used in the iPhone 4 and iPad is roughly "comparable to a single Xbox 360 core" Sweeney estimated. The new A5 used in iPad 2 holds the potential for "far, far more potential in that platform than we're exploiting today," he added."

    "Sweeney said iPad 2 delivers enough shader performance that "you can use the high-detail shaders we did during Gears of War." The interview noted that "more complex shaders and post-processing effects are going to remain the visual differentiators between high-end mobile devices and consoles for the time being, though we could 'see more of that with more time with the iPad 2.'""

    http://bit.ly/evAQPu [bit.ly]

There is no royal road to geometry. -- Euclid

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