You've probably seen our S Voice vs. Siri vs. Speaktoit Assitant post, but we'll recap our impressions of Samsung's S Voice here.
S Voice understands English, French, Spanish and Korean, Italian and German (take that Siri!). It can be activated by voice too - the default prompts are "Hi Galaxy" (as before) and "Hi Buddy", and you can add custom ones too. That makes for completely hands-free, voice-only control of the phone. Note that this puts a strain on the battery, but there's an option to activate this feature only when the phone is plugged into a charger.
S Voice can do the usual - search the web, make calls, send texts (which Android natively supports and so does Vlingo), but you can also use it instead of the notification area toggles, to control the music player, look up weather and traffic info for a city, set timers and alarms (and snooze them too) or launch an app.
Some apps get special treatment - for example, you can say "I want to take a picture" to activate the camera and say "Cheese!" to snap the photo. Facebook is another example - you can update your status using S Voice. Same goes for Twitter.
It's also a tool for quickly looking up facts - it's powered by Wolfram Alpha (which handles some of Siri's answers too). It has an enormous database covering topics ranging from Culture and Media to Physics. Unlike Siri, S Voice extracts only the relevant bit of info that Alpha provides and showing you more details only if you want them.
S Voice can also be used as a calculator. Once again, it only gives the relevant answer (Siri shows the whole output from Wolfram Alpha, which tends to get carried away with the amount of detail - e.g. you don't really need a visual representation of 2 + 2).
One of the things that made a negative impression was that the speech to text transcription was somewhat worse than Siri (which isn't perfect either). S Voice understood the commands most of the time, though there were cases when it didn't quite catch our words correctly.
This was most prominent when we tried to send a text message with voice dictation only - sometimes it would get as much as half of the sentence wrong.
S Voice also needs some polishing when it comes to removing unnecessary prompts - it asked for GPS to be active when checking the traffic in a city (even though we weren't in that city and it shouldn't matter where we are anyway), it stumbled when there were multiple numbers that an SMS can be sent to (it reverted to regular touchscreen interaction, forgetting we're trying to talk to it) and then it crashed when we tried a question just for fun.
Still, if you look past its quirks, S Voice can be a handy tool in situations where your hands are occupied (especially while driving, when you can't take your eyes off the road either). In all other scenarios you will be much better off using your fingers than your voice. Things might improve in the future but we are still a few years away before such technology becomes an essential part of the smartphone user experience.
The US version of the Samsung Galaxy S III is powered by a Qualcomm Snapdragon S4 chipset with two Krait CPU cores, clocked at 1.5GHz. Due to its newer architecture, Qualcomm's latest creation performs on par with quad-core chipsets from the previous generation.
Benchmark Pi is a simple single-threaded benchmark, and a Qualcomm chips' favorite, so we knew what we can expect from it. The Galaxy S III achieved the highest score we've seen to date - not a bad start then, we say.
Lower is better
Linpack offers multithreaded benchmarking, making it essential for testing multi-core beasts. Curiously enough, the US Galaxy III beat the quad-core sporting I9300, but fell behind HTC's offerings.
Higher is better
Quadrant is a composite benchmark (it tests CPU, GPU and I/O). The US Galaxy S III scored below the I9300, and right in line with the US version of the HTC One X - hardly a surprise as it shares internals with the latter.
Higher is better
The Samsung Galaxy S III relies on an Adreno 225 GPU. It has a 720p screen to fill with pixels (up from WVGA on the S II), so we were curious to find out how it fares.
In NenaMark 2, the Qualcomm equipped US Galaxy achieved a better score than the I9300. The handset lost only to the HTC One S, but keep in mind that the latter has a significantly lower screen resolution.
Note that older Samsung models used to have a 60fps framerate ceiling set in the software and we're not sure yet if the Galaxy S III is running into such a limit, artificially lowering its score (NenaMark reports the results in FPS).
Higher is better
GLBenchmark is available on iOS devices too, so it can give us some idea of how the Galaxy S III compares to the PowerVR SGX 543 GPUs. We're using the Egypt test in offscreen 720p mode so that results are directly comparable even though each device has a different physical screen resolution.
The Adreno 225 inside the US Galaxy S III achieved the lowest score here. This is hardly a surprise however, as all devices with this GPU we've tested this far, have fared poorly in this test.
Higher is better
SunSpider is a JavaScript benchmark and as such isn't strongly affected by the number of CPU cores - it mostly reflects the raw performance of a single core and how optimized the JavaScript engine itself is.
Lower is better
BrowserMark adds HTML to the equation - behind the scenes JavaScript computation won't do much if the web page can't update fast and smooth.
Higher is better
In real life, the US Galaxy S III is lag free. The handset handled every task we threw at it without breaking a sweat.
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