In 2014, Samsung released the first phone with a curved edge (Note Edge, a variant of the Note 4), then this spring, alongside the Galaxy S6 was launched the S6 Edge with a dual-edge display. It’s rumored that Huawei is working on a similar smartphone, but we don’t know many details about it, so we’ll wait until we’ll find out more information about it. We’ll compare the Galaxy S6 Edge with the ZTE Nubia Z9, a phone without bezels and which used the Frame Interaction Technology (FIT), which allows the users to perform specific actions by interacting with the screen’s sides.
Samsung allows the users to pick the favorite edge and this option is perfect for “lefties”, but there are many other things you can do with S6 Edge’s sides. You will have the Edge Status bar and Edge Notifications, a Night Clock, and you will be able to select five of your favorite contacts to add to the People Edge. The Edge Lighting feature will alert you when you’ll receive notifications or calls, when your phone is on silent and with its face down on a table.
When rubbing both of the edges of Nubia Z9’s display, you will dim/brighten the screen; when touching the edges, you’ll launch the camera app; when squeezing the edges, you will trigger a screenshot; when holding the device horizontally with fingertips, you will toggle the camera and using a pre-defined grip, you will quickly unlock the device.
Dimensions and Displays
Both the Nubia Z9 and the Galaxy S6 Edge have a glass back and metal frames. The first device measures 147.4 x 68.3 x 8.9 mm, it weights 192 grams and has a TIO fingerprint sensor on both the power button and volume rocker. Its screen is IPS LCD and measures 5.2-inch, but the resolution is Full HD, resulting in a pixel density of 424ppi.
The Galaxy S6 Edge is smaller and slimmer, measuring 142.1 x 70.1 x 7 mm, it weights 132 grams and its fingerprint scanner is integrated into the home button, which is placed below the 5.1-inch Super AMOLED screen with a resolution of 1440 x 2560 pixels at 577 ppi.
The Nubia Z9 runs on Android v5.0.2 (Lollipop) and it’s powered by a Qualcomm MSM8994 Snapdragon 810 quad core processor which is backed by 4GB of RAM (the Exclusive & Elite editions which support the fingerprint scanner) or 3GB of RAM (Classic edition). The first variant has 64GB of RAM, while the other has half of its capacity, but none of them can be expanded.
The Galaxy S6 Edge can be upgraded to v5.1.1 (Lollipop) and its processor is more powerful, being an Exynos 7420 octa core which was built using a 14nm technology. However, the device supports 3GB of RAM and offers three variants of internal storage: 32/64/128 GB, which are also unexpandable.
Cameras and Batteries
Both devices have rear cameras of 16MP with LED flash and OIS, but the Samsung flagship supports auto HDR. The front camera is more advanced on the Nubia Z9, supporting 8MP instead of 5MP.
Also, the Nubia Z9 has a bigger battery of 2900mAh, but it lacks quick charging or wireless charging likewise S6 Edge’s 2600mAh battery.
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