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Friday, 03 December 2010 13:56

Nvidia keenly promotes multi-core Tegras

Written by Nermin Hajdarbegovic

We have yet to see single cores, but hey

In a recent whitepaper Nvidia went out of its way to promote the benefits of multi-core mobile processors and we have to agree that upcoming Tegra processors are quite promising.

Despite the fact that Tegra and Tegra 2 processors did not have much impact on the market, or should we say they had next to none, the time of high performance mobile processors is just coming. The green team could and should have much more luck with Tegra 2 and Tegra 3 processors.

The introductory segment of the whitepaper tries to dispel concerns about power consumption on dual-core processors. Although they pack more transistors, they can deliver equal or superior performance to single cores at lower clocks and voltages, practically making dual-cores more power efficient than single-core designs. In fact, Nvidia claims that dual-core processors can deliver up to 40 percent lower power consumption in certain usage scenarios.

Although we are a bit skeptical about dual-core support in older operating systems and apps, Nvidia claims that Tegra 2 can easily outperform all currently available ARM-based processors. What’s more, it scales great as well. With both cores enabled, the processor is nearly twice as fast as with a single core enabled and in one test the speed advantage even goes over 100 percent. However, in real-life tests the extra core is expected to deliver a performance boost of about 50 percent.

In the Moonbat benchmark Tegra 2 wipes the floor with the DroidX, Galaxy S and Nexus One, based on OMAP 3630, S5PC 110 and QSD 8250 processors respectively. Tegra 2 is apparently 2.5 times faster with both cores enabled and even in single-core mode, it manages to outperform the competition by about 45 percent.

Interestingly, much of the whitepaper deals with gaming performance and emphasizes the fact that all current game engines support multithreading. Coupled with Nvidia graphics, dual-core and upcoming tri-core Tegras could offer an unparalleled gaming experience on mobile devices.

It’s a rather interesting read, all 21 pages of it. You can check it out here. (PDF)

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Comments  

 
+3 #1 guideX 2010-12-03 14:34
Great idea by AMD to sell their mobile IGP dept to Qualcomm.
 
 
+5 #2 AndromedaB 2010-12-03 17:10
Quoting guideX:
Great idea by AMD to sell their mobile IGP dept to Qualcomm.

lol

who else giggled at the last sentence

Tegras could offer an unparalleled gaming experience on mobile devices

but i thought the gaming experience was all about parallel ;)
 
 
+10 #3 AndreiD 2010-12-03 19:49
Quoting guideX:
Great idea by AMD to sell their mobile IGP dept to Qualcomm.

You do know AMD is making something called "Fusion" right?
Which in a couple of years will make it's way into tablets too.
 
 
+1 #4 AndromedaB 2010-12-04 07:02
Quoting AndreiD:
Quoting guideX:
Great idea by AMD to sell their mobile IGP dept to Qualcomm.

You do know AMD is making something called "Fusion" right?
Which in a couple of years will make it's way into tablets too.

i think (and hope) arm will beat out x86 in the mobile/tablet markets. they are just cheaper and more power efficient. i worry that amd might go with it if they dont act soon thouhg the apu was a good move

as for seing their mobile igp i don think they had much of a choice... they're broke.
 
 
+3 #5 tekken 2010-12-04 10:15
Quote:
Tegra 2 processors did not have much impact on the market, or should we say they had next to none... The green team could and should have much more luck with Tegra 2


Is it so hard to spend 5 minutes proof reading an article, or at least bothering to write something that makes sense?
 
 
+1 #6 hoohoo 2010-12-05 08:52
@AndromedaB

If low power consumption is a design criterion ARM designs should win (and Tegra is an ARM design FWIW). AMD knows this, bobcat is at least nominally synthesizable and targeted at low power consumption.

I worry that bobcat is not quite low power consumption enough nor synthesizable enough.

AMD/Intel seem stuck in the general purpose CPU model, trying to wedge that model into the cellphone and commodity media player market.

Network attached media players that display on a TV (Apple TV, ASUS O!Play, WDTV etc) are a case in point: they don't really need, say, advanced FP processing... just good enough processing.

But I think bobcat will do well in the thin/light notebook market. That would be a step ahead for AMD.
 
 
0 #7 hoohoo 2010-12-05 08:56
@AndromedaB (2)

I guess I should also recognize that ARM is not alone in the low power consumption media player market segment. MIPS does well there, as do PPC designs.
 
 
-1 #8 fusion 2010-12-05 10:26
I feel I want to buy ARM soon nvidia
Kepler in the series used to get dual cpu ARM
 
 
0 #9 Serge 2010-12-05 10:41
I am more excited about Mali than Tegra. But I am quite sure Tegra can outperform most, if not all, currently available mobile devices.
 

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