Apple iPhones are getting bigger, faster and pricier. What you need to know

Apple on Wednesday released three new series of its X (pronounced as ten) model and a remake of Apple Watch as it looks to maintain the growth that saw it become world's first trillion-dollar company.

The new round of iPhones released Wednesday are bigger, faster and more expensive. The three new models released by the company are iPhone XS, iPhone XS Max and iPhone XR. The iPhone XR is a low cost smartphone with a few but significant upgrades from previous models.

The iPhone XS and iPhone XS Max are almost identical but the latter is bigger with a screen size of 6.5 inches, larger than even Samsung Galaxy Note9 which has a screen size of 6.2 inches.

The XS models released features significant upgrades from the X model that was announced last year. Here is what you need to know about the latest iPhones:

Screen size and display

The new iPhone XS has a 5.8 inch screen while the XS Max features a bigger screen of 6.5 inch, the largest ever for an iPhone. The low-cost XR model has a 6.1 inch screen, larger than XS.

Both the XS and XS Max have an OLED HDR screen (Super Retina) while the XS has LCD screen. The home button at the bottom of the screen is long gone. Like in the previous iPhone X, users can unlock the screen by a Face ID. The new models now have "advanced and faster Face ID" that possibly fixes the issues that were experienced in the X version.

Apple's new phones have displays with better dynamic range.

"The custom OLED displays on iPhone XS deliver the most accurate colour in the industry, HDR, and true blacks. And iPhone XS Max has our largest display ever on an iPhone," reads a statement on Apple's website.

By industry standards, the XS Max is one of the biggest smartphone is the market and trends suggest the future belongs to large screens.

Speed

During the unveiling of the new iPhones, Apple indicated that what they are releasing to the market would be the fastest out there in the market. XS, XS Max and XR, all have A12 bionic processor which is a six-core chip. The new processor, Apple says, will give the designs and other in the future the "speed and fluidity" that is needed to run applications and perform tasks.

Camera

The most expensive iPhones yet have an "all new camera system". The XS and XS Max both have two rear cameras, wide angle and telephoto, with 12 megapixel sensors. The upgrades will see users take photos even in low light environments. Apple says that the "New secondary frames, a faster sensor, and the powerful A12 Bionic chip bring more highlight and shadow detail to your photos".

The front camera, for selfies, has the same aperture and megapixel as of X model, is faster as a result of the speed upgrades.

The XR has a single 12 megapixel wide-angle camera and 7 megapixel selfie one with almost similar upgrades as with XS.

Battery life

Apple is promising longer use for a single charge. The XS and XS Max have 30 minutes and an hour longer battery life compared to X. XR users will have an hour and a half more on battery life compared to iPhone 8 Plus.

Storage

All the three models will come in capacities of 64GB, 256GB and 512GB. According to Apple, 512GB is a new phone capacity and it will give users more space to store files.

Weight

The XS is the lightest of all the new models released. It weighs 177g while XS Max is 208g. The XR is 194g.

All the models released have an improved water resistance and a wider stereo sound. They as well have improved resistance to dust.

Prices

Apple says the new iPhones will start at $750, $1,000 and $1,100, which is an increase from last years starting prices at $700, $800 and $1,000.

Dual sim

The biggest news that will excite some users is that the new iPhones will come with a dual sim option, meaning, users will now have the option of two numbers in a single phone.

XS Max vs Samsung Galaxy Note9

While most observer have been quick to say that the larger iPhone, XS Max, is in response to Samsung's Galaxy Note9, there are similarities and differences worth noting.

As similarities can dim the differences, the most notable difference between the two competitors is the weight. At 201g, Note9 is lighter than the new iPhone XS. Despite the latter being heavier, its thinner.

As in the previous model, the new iPhone has a cut out space at the top of the screen to accommodate the from camera. Note9's scree is all rectangular.

The two top competitors have two rear cameras in their latest models, a telephoto and wide-angle. Apple is all for Face ID while Samsung features a mix of fingerprints, iris and facial recognition.

There is about $100 difference in price. Samsung's starts at $1000 while Apple has set theirs at $1,099.