Samsung unveils Exynos 5420 Octa processor

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The Exynos 5420 processor is powered by four ARM Cortex-A15 processors at 1.8GHz with four additional Cortex-A7 cores at 1.3 GHz in a big.LITTLE configuration.

Samsung claims optimizations in the 5420 have allowed for a 20% increase in CPU performance over the old chip.

Samsung has moved from the PowerVR SGX544MP3, to a Mali T628 MP6 (that's six cores). The new GPU has roughly twice the graphical power of the PowerVR in the 5410, and it fully supports OpenGL ES 3.0 and Full Profile Open CL 1.1.

Additionally, the new Exynos 5420 features multiple image compression (MIC) IP block inside the System-on-Chip that lowers the total system power when bringing pictures or multimedia from memory to display panel. This feature increases the battery usage time with a high-resolution display such as WQXGA (2500x1600) especially when browsing the web or running multimedia application that requires the frequent screen refresh. It also features a memory bandwidth of 14.9 gigabytes per second paired with a dual-channel LPDDR3 at 933MHz that enables fast data processing and support for full HD Wi-Fi display.
This new processor also incorporates a variety of full HD 60 frames per second video hardware codec engines for 1080p video recording and playback.


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Exynos 5250 : Nexus 10
Exynos 5410 : Galaxy S4 I9500
Exynos 5420 : Note III ?

- Anandtech, Engadget, Android Police
 
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