1. Hardware
    Design and Build  Display and Performance  Camera  Battery  Audio and Connectivity 

2. Software

3. References

4. Further reading

• 2G
• 3G
• 4G
• 4G LTE

• Accelerometer
• Barometer
• Fingerprint scanner (rear-mounted)
• Gyroscope
• Proximity sensor

Bluetooth 5.0, USB-C, NFC, location (GPS, Galileo, GLONASS, BeiDou)

The Sony Xperia XZ2 Compact is an Android smartphone manufactured and marketed by Sony. Part of the Xperia X series, the device was announced to the public along with the Xperia XZ2 at a press conference held at the annual 2018 Mobile World Congress event on February 26, 2018.^[2]

Hardware

Design and Build

The Xperia XZ2 Compact comes with the new "Ambient Flow" design. It consists of a metal side frame, metal top and bottom edges that together make up the chassis of the phone, scratch-resistant front panels made of Corning's Gorilla Glass 5 and a back made of plastic. The most defining change in the Xperia XZ2 Compact, as well as the Xperia XZ2 Premium and Sony Xperia XZ2, is the placement of the camera on the back. It is now placed on the center, as opposed to being placed on the top left side like on the previous Xperia smartphones. The NFC antenna is on the top of camera. The front of the phone consists of dual front-firing stereo speakers, one on the top bezel and the other on the bottom bezel, along with a 5 MP front camera, ambient light sensor, proximity sensor and notification LED.

The Xperia XZ2 Compact's dimensions are {{convert|135|mm|abbr=on}} in height, with a width of {{convert|65|mm|abbr=on}} and a depth of {{convert|12.1|mm|abbr=on}} and weighs approximately {{convert|168|g|abbr=on}}.

Display and Performance

It is powered by the Qualcomm Snapdragon 845, built on 10 nm process technology with 8 custom Kryo 385 processors (4x 2.7 GHz and 4x 1.7 GHz), 4 GB of LPDDR4X RAM and uses the Adreno 630 for graphics rendering. The device also has an internal storage of 64 GB and comes in single-SIM and dual-SIM versions, with both featuring LTE Cat. 16 with 3x carrier aggregation, a 4x4 MIMO antenna design and a total of 8 antennas. It also has microSD card expansion of up to 512 GB (uses SIM 2 slot), and 18:9 display monitor.

Camera

Sony debuted in the Xperia XZs and the XZ Premium the world's first three-layer stacked image sensor with DRAM for smartphones.^[3] Known as the Sony IMX400, the sensor features a RAM chip sandwiched in between the sensor and control circuitry layers which serves as a large and fast buffer to where the sensor can temporarily offload a significant amount of captured data before transferring it to the phone's internal memory for processing. This enables the camera to record super slow-motion videos at 960 fps, at a steady 720p resolution. Recording at super slow motion is limited to 0.18 seconds per buffer though, due to limitations.

The Xperia XZ2 Compact borrows the Motion Eye Camera from the Xperia XZ Premium and Xperia XZ1. It comprises a 19 MP 1/2.3” Exmor RS for mobile sensor with a 1.22 μm pixel pitch, f/2.0 aperture and 25 mm wide G Lens. It also features 4K HDR video recording, a world's first for Sony, which supports SteadyShot video stabilization alongside the standard 1080p/30 fps, a high-speed 1080p/60 fps and a 120 fps recording in 720p options. The front selfie camera has a 5-megapixel sensor (1/5") with 23 mm, f/2.2 lens, a 90-degree wide angle lens and SteadyShot with Intelligent Active Mode (5-axis stabilization).

The Xperia XZ2 Compact has the Triple Image Sensing technology that started with the Xperia XZ as standard. It is composed of the image sensing (CMOS sensor with PDAF), distance sensing (Laser AF sensor) and color sensing (RGBC-IR sensor) systems, featuring a hybrid autofocus that utilizes Phase Detection (PDAF) to lock focus on a subject within 0.03 seconds, and also includes phase and contrast detection along with predictive motion tracking. It also has a laser autofocus sensor for fast tracking and locking focus on a subject, as well as an RGBC-IR (RedGreenBlueClear-InfraRed) color sensor that assists the white balance function of the camera by providing additional data about the light conditions of the surrounding environment. It also has SteadyShot with Intelligent Auto in addition to the five-axis sensor-shift image stabilization first seen in the Xperia XZ. The Motion Eye Camera in the Xperia XZ2 Compact also has Predictive Capture. When it detects fast-paced movement, the camera automatically captures a maximum of four photos before the shutter button is pressed, and lets the user select the best one afterwards. This is done without any user intervention and is possible due to the same built-in RAM chip on the image sensor used in capturing the 960 fps super slow-motion videos.

Battery

The Xperia XZ2 Compact is powered by a non-removable 2870 mAh battery. Charging and data transfer is handled by a USB-C port with support for USB 3.1. It also has Qualcomm's QuickCharge 3.0 and Qnovo adaptive charging technology built-in. This allows the device to monitor the cell's electrochemical processes in real time and adjust charging parameters accordingly to minimize cell damage and extend the battery unit's lifespan. It also comes with Battery Care, a Sony proprietary feature, that controls the charging process of the phone by learning and recognizing the user's charging patterns, preventing the phone from damaging the battery's cells from excessive heat due to overcharging. For example, when charging overnight, Battery Care stops the initial charge to 90 percent and then continue charging until full where it left off the next day.

Audio and Connectivity

The Xperia XZ2 Compact has no standard 3.5 mm audio jack but it has LDAC, an audio coding technology developed by Sony,^[4] that enables the transmission of 24bit/96 kHz High-Resolution (Hi-Res) audio content over Bluetooth at up to 990 kbit/s, three times faster than conventional audio streaming codecs, to compatible audio devices. Other connectivity options include Bluetooth 5 with aptX and Low Energy, NFC, dual-band Wi-Fi a/b/g/n/ac with 2x2 MIMO antennas, Wi-Fi Direct, MirrorLink, screen casting via Miracast, Google Cast, DLNA, GPS (with A-GPS), GLONASS, BeiDou and Galileo satellite positioning. The Xperia XZ2 Compact has no FM radio.

Software

The Sony Xperia XZ2 Compact launched with the Android 8.0 Oreo operating system, along with Smart Stamina battery saving modes and Sony's proprietary multimedia apps.^[5] Android Pie started rolling out in OTA updates on October 12, 2018.^[6]

References

Further reading

• {{Cite news|url=http://www.eweek.com/mobile/sony-to-start-taking-preorders-for-xperia-xz2-smartphones|title=Sony to Start Taking Preorders for Xperia XZ2 Smartphones|last=Weiss|first=Todd R.|date=12 April 2018|work=eWeek|access-date=2018-04-14|archive-url=|archive-date=|dead-url=|department=Mobile}}

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