Sony PlayStation 4 Pro review: specs and price

The internal hard drive can be replaced by the user, for example if you wish to upgrade to a larger storage capacity.

Region free devices allow you to play games from different continents. This enables you to collect a larger game library, and you could play games before they are released in your region.

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Floating-point performance is a measurement of the raw processing power of the GPU.

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Shading units (or stream processors) are small processors within the graphics card that are responsible for processing different aspects of the image.

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The ROPs are responsible for some of the final steps of the rendering process, writing the final pixel data to memory and carrying out other tasks such as anti-aliasing to improve the look of graphics.

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Compute units are a part of the GPU that contain the stream processors, an important component of graphics processing power.

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A higher memory bandwidth means the memory can be accessed faster and therefore data can be retrieved quicker, having a positive effect on the performance.

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The device can connect to WiFi.

With a standard mini jack socket, you can use the device with most headphones.

The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.

Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.

With more USB ports, you are able to connect more devices.

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802.11n is a wireless standard released in 2009. It has faster transfer rates and improved security compared to its predecessors - a, b and g.

More controllers allows you to have more people playing at a time.

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With a touchpad, users can control the device by moving their finger on a touch-sensitive surface. This can facilitate a more complex interaction.

A motion sensing controller allows for a realistic experience when playing certain games, such as sports.

The more analog sticks, the more complex the input can be.

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With dual force feedback the controller has realistic vibrations, allowing you to feel the direction from which the impact is coming.

A lighter controller puts less strain on the hands while playing.

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Consoles which have more games offer more choice to the user. It is also an indicator of how popular a console is.

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You can use your voice to control key functions of the device and you can easily access your device without pushing any button.

You can access big name video streaming services such as Netflix and Hulu Plus, without a subscription to the console’s manufacturer.

This means you don’t have to wait for the entire game to download first, as the later stages of the game download while you are playing.

The more channels of sound, the more realistic the experience becomes.

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The device tracks the user's motion and gestures using a camera. This allows for enhanced gameplay through recognizing the player's movement.

Bluetooth is a wireless technology that allows you to easily transfer data between different devices, such as smartphones, tablets and computers.

Allows you to view in ultra-high definition.