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LTE smartphone chip boasts 50% less power usage

Posted: 22 Jan 2013     Print Version  Bookmark and Share

Keywords:lte  application processor  modem 

ST-Ericsson unveils a multi-mode LTE-enabled integrated smartphone platform called the NovaThor L8580 ModAp that includes a full connectivity suite and features an eQuad-powered application processor running at up to 2.5GHz.

 NovaThor L8580 ModAp

The chip integrates an eQuad 2.5GHz processor based on ARM Cortex-A9, a powerful Imagination PowerVR SGX544 GPU running at 600MHz and an advanced multi-mode LTE modem on a single 28nm FD-SOI die. Some of the benefits include CPUs that run 35 per cent faster while GPU and multimedia accelerators run 20 per cent faster, and cooler operation when delivering high performance, consuming 25 per cent less power than rival architectures, according to the manufacturer. The low power mode can deliver up to 5000DMIPS at 0.6V. This low power mode consumes 50 per cent less power to deliver the same performance compared with alternative solutions in bulk CMOS, says ST-Ericsson.

The NovaThor L8580 supports up to ten LTE/HSPA/TD-SCDMA/GSM bands in a flexible and compact radio solution, addressing the need for a cost effective solution for widespread global adoption of LTE smartphones. The NovaThor L8580 integrates an advanced next generation multi-mode LTE modem with support for 3GPP Release 10 with LTE up to Category 4 (150Mbit/s). The NovaThor L8580 will also deliver extraordinary multimedia performance, supporting 1080p video encoding and playback at up to 60 frames per second, 1080p 3D camcorder functionality, support for displays up to WUXGA (1920x1200) at 60 frames per second and support for cameras up to 20 megapixels.

The complete platform includes pre-integrated connectivity with support for Bluetooth, GNSS (GPS+ GLONASS), FM, WLAN, Wi-Fi Direct, Miracast and NFC. With ST-Ericsson's connectivity solutions, CG2905 and CW1260, the platform comes optimised for wireless radio co-existence and low power consumption.

ST-Ericsson's eQuad technology is a CPU architecture in which each processor core can operate efficiently in two modes: as an industry-leading high performance core, running at up to 2.5GHz in the case of the NovaThor L8580, or as a very low-power core running at 0.6V. This is achieved by transistor-level electrical bias switching to allow each of two physical cores to run in two different modes, creating an electrically-enabled quad core.





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