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LG Optimus 2X Becomes Official


LG Optimus 2X Becomes Official

We all knew it was coming and now finally LG has unveiled the world's first dual-core smartphone, the LG Optimus 2X. Packing Nvidia's AP20H chip, it's also the first to offer 1080p video recording.

The phone's 4in screen also uses the same NOVA screen technology found on the Optimus Black so it should be very bright but low on power consumption – which it will need to be with that dual-core processor under the hood. At least the company hasn't skimped on the battery, providing it with a 1500mAh unit.

Android 2.2 is the operatin system of choice and LG has added a custom skin to it, which depending on implementation could be a good or bad thing. An HDMI port and both front and rear (8-megapixel with LED flash) cameras are also present, though there doesn't seem to be a shutter button for easy snapping.

Like the Optimus Black, it looks like a slim and smart phone, with its four touch sensitive buttons along the bottom. So you shouldn't be paying the price in terms of fashion and portability for all that power.

There's no word on pricing yet but you should be able to pick one up in Q1 2011.


January 6, 2011, 12:42 am

Oh I do kinda fancy this phone. It's between this, the playstation phone and whatever samsung has in store for us next month, like a galaxy S successor. At least, that is what I'm thinking right now and this could change many times between now and MWC :p.

I have gone off HTC recently with their insistence on Qualcomm but a kickass device could swing me back.

Grab the LG and check how offensive the skin is, oh and quizz them on Gingerbread and honeycomb please.

Tim Sutton

January 6, 2011, 1:11 am


Custom LG skin over 2.2, no dedicated shutter button. Splendid.

Strike 3 would be a screen resolution below 800x480, which looking at various screenshots seems highly likely.

Still want it because of the whole dual-core thing, but I realise I'm mentally unstable when it comes to cores and will restrain myself.


January 6, 2011, 2:21 am

I really want a physical keyboard with my next handset but it looks like LG has got this one right and could be set for a move into the smartphone mainstream. Good display, thin, light dual core, nice looking. Could be a winner!


January 6, 2011, 4:33 am

What are LG phones like these days? I once had the misfortune of owning Arena. Worst. Phone. Ever.


January 6, 2011, 5:04 am

Surely dual core mobiles are being developed similar to the 2nd gen mobile PC dual core CPUs, which were actually more efficient than a single old CPU because they were able to disable one core if there was no activity. When there is load, multiple cores clear it quicker and can then go back to idle more quickly.

I understand that this model doesn't work in a linear fashion, otherwise we'd all be driving 8 litre V12 cars, however for dual core CPUS I understood that there was a 'sweet spot'.


January 6, 2011, 3:06 pm

According to expansys, £500 SIM-free and available 21st Feb. Are they incredibly well-informed or just guessing? :)


January 6, 2011, 7:15 pm

@Greg - Surely the efficecny depends on Androids ability to manage two cores, does anyone know if that is the case? Unless Google took that into account when developing andorid then surely two cores running at full tilt would burn up a lot of energy compared to a single core.

Also, I am wondering what (if any) apps are out there that really require a dual core processor? On a PC it was CPU intensive activites like encoding/decoding video and audio, but at the moment Android doesnt have apps like that so I wonder if they are being developed?


January 6, 2011, 8:05 pm

Imagine if this phone doesn't get an upgrade to Gingerbread like the previous models....



January 7, 2011, 12:08 am


Android development has emphasized multi-threading from the word go. Even elementary example code spawns new threads to do anything resource intensive. In the Android JVM each Java thread maps to a Linux pthread, so scheduling across cores will happen automatically. Most well-written existing applications will benefit even if to no greater extent than the UI being more responsive during calculations.

And in terms of energy usage, a given calculation involves X operations: if you spread the calculation across two cores they only have to run full tilt for half as long, so that's only the same energy usage. If you don't use the second core it will draw almost no power. Further, NVIDIA argue that if you're not performance-bound and content to perform your calculation at the same speed as a single core machine then you can run both cores at half the clock frequency, and this halving of the clock frequency reduces the power draw by much more than a half.

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