Nexus 7 (2012) based on Tegra
Hardware and design
The Nexus 7 (ASUS-1B32) has a plastic chassis that is 7.81 in (198.5 mm) long, 4.7 in (120 mm) wide, and 0.41 in (10.5 mm) thick, and weighs 12 oz (340 g). The device features a Nvidia Tegra 3 SoC consisting of a 1.3 GHz Cortex-A9 quad-core central processing unit (CPU) and a twelve-core 416 MHz Nvidia GeForce ULP graphics processing unit (GPU). In conjunction with an accelerometer and gyroscope, the powerful GPU enables graphically demanding gameplay. The Tegra 3 processor, besides the four primary cores, features "Variable Symmetric Multiprocessing" that uses a fifth "stealth" core designed to take over during periods of low processor demand, helping to preserve battery life. Other features include a microphone, GPS, a magnetometer, a NFC chip with a Secure Element, and a 1.2 megapixel front-facing camera. The rear of the Nexus 7 features a dimpled plastic surface with a rubbery, leathery texture to help users to grip and hold the device.Google and Asus omitted cellular connectivity on initial models of the device, instead employing Wi-Fi 802.11 b/g/n as the only means for the tablet to connect to the Internet. A mobile-capable version of the device utilizing HSPA+ cellular technology with 32 GB of storage was later introduced in October 2012 for $299. Unlike most tablets, the Nexus 7 has NFC connectivity built in, which allows users to share files quickly with Android Beam and perform non-touch payments at sites that employ NFC cash registers.
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