Dialed In 185: We go BlackBerry picking (podcast)

The Hercules will offer a 4.5-inch display and 8-megapixel camera.


New images emerged over the weekend that confirm the Samsung Hercules as T-Mobile’s take on the Galaxy S II. While the full specifications have yet to be uncovered, a TmoNews source suggests that the Hercules has a 4.5-inch display, which would make it larger than the smarpthones that other U.S. carriers are expected to deliver this fall.

We’ll have to wait until an official announcement to be certain, but at this point we’re looking at a Super AMOLED Plus resolution screen, a selection of pre-loaded apps like TeleNav GPS and Netflix, and a device that Android 2.3 with Samsung’s TouchWiz UI. What’s more, a picture of the back side of the handset confirms an 8-megapixel camera with a possiblr 1080p HD video.

For data, the SGH-T989 Hercules should be T-Mobile’s first smartphone capable of supporting the carrier’s HSPA+ network with download speeds of 42Mbps. Granted, that figure is theoretical, but it is considerably faster than anything currently offered by the wireless provider.

The first sighting of the Hercules product name came back in May when a leaked T-Mobile roadmap showed a smartphone with NFC support, 16GB of ROM, and 1GB of RAM for a September 26 release. Indeed, the timing lines up well with earlier reports of Verizon releasing their Galaxy S II in August followed by other carriers.

Welcome to Smartphones Unlocked, my new monthly column designed to explain the ins and outs of smartphones to help you better understand how they work. The world of smartphones is fast-paced and can sometimes be confusing and difficult to keep track of all the new technology in these devices, particularly if you’re new to them, so if there are any topics you’d like to see covered here, please feel free to e-mail me at bonnie.cha@cnet.com.

There are a lot of things to consider when buying a smartphone–operating system, screen size, keyboard or no keyboard, camera–but one feature that more people are starting to pay attention to is the processor. This is, no doubt, in part due to the recent influx of dual-core smartphones like the Motorola Photon 4G, HTC Sensation 4G, and Samsung Galaxy S II.

Samsung Galaxy S II

The Samsung Galaxy S II is one of a number of smartphones today to feature a dual-core processor, but what does that mean for you?

Josh Miller/CNET)

With everyone from carriers to handset manufacturers to tech sites talking up dual-core processors, you probably get the idea that having a dual-core processor is a good thing, but for the uninitiated, it might not be apparent why, and for some, the whole subject of processors might be a mystery. It’s easy to understand why; it’s a spec that gets thrown around a lot, along with various names like Nvidia Tegra 2, Qualcomm Snapdragon, and TI OMAP, but it’s a feature that’s never fully explained and frankly, the business of processors can get pretty complicated and technical.

For this month’s column, I’m going to take a general approach to the topic and explain the processor’s function, explain the different parts, how they affect your smartphone’s performance, and give you a glimpse of what’s to come in the future. I’ll also introduce the various chipset makers, but there’s quite a bit of variation in how each of the companies design processors and this is where things can get a bit complicated, so I’ll save the comparison of each for a future column. That said, hopefully, this will serve as a good starting point to better understanding the world of smartphone processors.

What’s in a processor?

Nowadays, smartphones are so much more than phones and personal organizers. They’re music and video players; they’re mobile Web browsers; and they’re cameras and camcorders. However, in order to do all those things, there needs to be a part of the system that can process and carry out those functions, which is where the processor enters the picture.

“The processor is the brain of the smartphone,” explains Nick Stam, director of technical marketing at Nvidia. “Just like a regular desktop or laptop, these devices are, at the highest level, computers, and like computers, they have a processor to do all the basic calculations and to execute code.”

Of course, with smartphones, you’re dealing with a smaller form factor, so the design of the processor is somewhat different than what you’d find on your computer. On your desktop, you’ve got different elements, such as your central processor unit (CPU), graphics processing unit (GPU), memory, and peripheral buses, that all connect to the motherboard.

On a smartphone, you’ve got similar components, as well as other sub-processors, but they’re integrated onto a single chipset, referred to as System-on-a-Chip (SoC), since there isn’t room to have different chipsets with the battery taking up so much space. So technically, when we talk about processors, we’re really talking about the SoC, but for pretty obvious reasons,

Inside Nvidia's Tegra 2 chipset, or System-on-a-Chip, lies multiple components, including two CPUs, a GPU, and video encoders and decoders.

Screenshot by Bonnie Cha/CNET)

A key component of the SoC is the CPU. Most companies use a CPU based a design from a company called ARM, and it handles most things you experience on your smartphone, from running the OS to touch-screen functions. When people talk about whether a phone has an 800MHz processor or a 1GHz processor, they’re referring to the speed of the CPU. Additionally, single-core or dual-core refers to the number of CPU cores.

Another element of the SoC is the GPU. The GPU processes graphical and visual data, so it’s responsible for such things as rendering Web pages and gameplay. Having a dedicated GPU is much more efficient than letting the CPU handle it, since it allows for lower power consumption while offering such benefits as better image processing and anti-aliasing and geometric realism. The better the GPU, the better experience you’ll have viewing complex Web sites and 3D video games.

Finally, the SoC incorporates a number of other sub-processors, such as video encoders and decoders, camera operation, and audio playback, so your smartphone can perform such tasks. Some companies also incorporate a phone’s modem (Wi-Fi, Bluetooth, GPS, 3G/4G, etc.) into the SoC, while others keep them separate, which leads to the next topic.

Not all processors are created equal

Now, just because two smartphones both have 1GHz processors doesn’t mean you’re going to get the same kind of performance from both. This is because different chipset makers take different approaches to designing their processors or SoC.

There are four major players in the mobile processing world, Nvidia, Qualcomm, Texas Instruments, and Samsung, but they all have one thing in common: ARM. ARM is the company that provides the architecture for mobile processors, and these companies use it as the basis for developing their chipsets. So what’s the reason for variation?

This is because some companies license ARM’s CPU design and use it as is, while others only license the instruction set and create their own CPU based on the guidelines provided by ARM. Qualcomm is an example of the latter, which is why you see some of its dual-core processors clocked at higher speeds, such as 1.2GHz. Add to that different kinds of GPUs and various integrations of sub-processors and modems, and you’re going to get some different results.

Again, I’ll compare each of the manufacturers processors in a future column, but for the sake of sticking with the basics for this article, I left it out.

Dual-core and beyond

As I mentioned earlier, smartphones already do a lot of things, but the advent of dual-core processors has allowed them to do even more, such as 3D and 1080p HD video capture and playback. These chipsets consist of two CPU cores, running at 1GHz to 1.2GHz each, depending on the maker, but it would be a mistake to think that a dual-core processor equals double the speed of a single-core phone. The difference isn’t quite that dramatic.

Qualcomm plans to offer quad-core processors in Q1 2012.


That said, you should enjoy faster Web browsing, smoother game play, quicker multitasking, and even improved battery life.

“When you have a single CPU core, you need to raise of the voltage of the CPU, which consumes a lot of power,” said Sridhar Ramaswamy, senior technical marketing manager for Tegra at Nvidia. “With two cores, you’re basically processing at half the frequency and not maxing out, so it better handles multitasking and multithreaded applications.”

It’s only going to get better too. Several chipset makers, including Qualcomm, Nvidia, and TI, have already announced plans for quad-core processors. Nvidia began promoting its next-gen Kal-El quad-core CPU back in February with a scheduled release for this fall, and Qualcomm will follow in Q1 2012.

“Existing functions on smartphones will get better and better, as they will get more powerful and power-efficient,” said Raj Talluri, vice president of product management at Qualcomm. “They’ll also do more and more things, and we see the use of gestures, augmented reality, and increased wireless connectivity between devices becoming more popular in the future. Next year’s smartphones are just going to be great products.”


We’re a little more than a month away from the arrival of “Star Wars: The Complete Saga” on Blu-ray, and Lucasfilm is continuing the recent Comic-Con buzz by offering the most detailed sneak peak of the set to date with Star Wars Blu-ray: Early Access App.

September 16 will bring the nine-disc Blu-ray set to store shelves, and Lucasfilm publicity poobahs have effectively been hyping the set since CES in January. Most recently, they made a buzz at Comic-Con by unveiling a trailer of the restored deleted scenes included in the set.

The free early-access app for iPhone, iPad, and iPod Touch offers an early look at the more than 40 hours of bonus footage and other material included in the Blu-ray collection. …

Originally posted at Dialed In

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