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More Details About PlayStation 4 Surface at GDC 2013

More Details About PlayStation 4 Surface at GDC 2013

Game Developers Conference is on going at present and Sony Senior Staff Engineer Chris Norden has taken the opportunity to provide more in-depth information regarding the upcoming PlayStation 4 which was unveiled back in February of this year.

Processor

First up, more information about the processor was unveiled. Sony had previously let it be known that their gaming console will be sporting 64-bit  x86 architecture CPU with the provision of an AMD Jaguar chipset. Now we also know that the eightt cores are capable can run eight hardware threads, with each core using a 32KiB L1 I-cache and D-cache, and each four-core group sharing 2MiB of L2 Cache. This will allow the processor to handle things like atomics, threads, fibers, and ULTs, with out-of-order execution and advanced ISA. 

Another new nugget of information shared was what has been dubbed the extended "DirectX 11.1+"feature set. This is set to include extra debugging support that is not available on PC and will also give developers more direct access to the shader pipeline than they had on the PS3. Sony says the level of access available with the PlayStation 4 should spur developers on to higher performance thresholds. 

GPU

No model numbers were divulged but Sony was keen to establish that they have worked hard to ensure the CPU and GPU exist in harmony to provide a maximum graphics power of 1.843 Teraflops at an 800 MHz clock speed with a suitable portion left over for computation. 

RAM

The 8GB of Unified GDDR5 RAM is the most exciting feature on the PlayStation 4 if you as us. The rest of Sony's specification choices can be seen as being made with the thought of keeping the overall price of the console low. But the RAM is definitely something which Sony is willing to splurge on. The 176 gigabytes of total bandwidth offered easily dwarfs other options available in the market.

Controller and Eye

Everyone knows that the Sony DualShock 4 will have a touchpad on the front face that has a resolution of 1900 by 900 and can support two point touch input. The controller will also have a port for plugging in headphones and will also feature blue, red, pink, and green LED lights to correspond to players 1, 2, 3, and 4 respectively. Previous controllers just used red for each player with different positioning.

The PlayStation Eye has also been significantly upgraded, probably in light of the popularity of the Kinect. It features two cameras capable of 1280 by 800 resolution at 60Hz with a color depth of 12 bits per pixel. You can turn the resolution to half and get 120Hz measurement.

User Interface

Sony is doing away with the XCrossBar and using pages for the User Interface of the PlayStation 4.

Source: Arstechnica

 

 

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