If you have 20 million, should you buy an iPhone 15 or add 1 million to an iPhone 16?

When intending to upgrade from iPhone models in the price range of 20 million, choosing between iPhone 15 costs 18 million good iPhone 16 costs from 21 million is always a problem that many people consider. This difference of 3 million VND is not simply a number, but also the boundary between prioritizing practicality, cost optimization or owning the latest smart technology.

Are the upgrades on the iPhone 16 really worth the extra money, or is the iPhone 15 more than enough for daily use? Let’s analyze the actual differences below to make the most accurate purchasing decisions for 2026.

Reasons to choose iPhone 15 at the price of 18 million VND

At prices from 18 million VND, iPhone 15 series Not only is it an economical option, but it also possesses unique advantages that many users still choose:

Super light weight and good grip feeling

iPhone 15 is one of Apple’s lightest iPhones today. With delicately curved edges and optimal weight, the device provides an extremely comfortable grip, without causing hand fatigue when used continuously for long periods of time – a big plus compared to older models with large screens or steel frames.

High quality 48MP camera system

The device has a 48MP main sensor, supports 2x optical zoom and super high resolution photography. For daily photography needs, social media posting or 4K filming, the quality from the iPhone 15 is still excellent and difficult to distinguish from the new model in normal lighting conditions.

Modern design is not outdated

Even though it has been released for a while, iPhone 15 still possesses Apple’s latest design standards such as Dynamic Island screen and USB-C charging port. This helps the device’s appearance not look too different when placed next to the iPhone 16 or newer models.

Youthful and diverse color palette

iPhone 15 has gentle pastel tones with a uniquely tinted glass back. These are still very popular colors and remain highly fashionable in 2026:

• Pink: Sweet and clear
• Yellow: Brightly colored but still gentle on the eyes
• Blue: Light blue tone like the sky
• Green: A gentle green color, creating a unique highlight
• Black: For those who love minimalism and elegance

With this diverse color palette, iPhone 15 is not only technologically responsive but also a way for you to assert your personal style in the most sophisticated way.

Outstanding technological improvements on iPhone 16 compared to the previous generation

Located in the high-end segment, iPhone 16 price ranging around 21 million VND, giving users outstanding advances in hardware, ready for the latest technology experiences of 2026:

A18 processor chip and the Apple Intelligence era

iPhone 16 owns the A18 chip manufactured on the new generation 3nm process. Unlike the A16 Bionic chip (4nm) on iPhone 15, this new chip line is designed with a more powerful Neural Engine, focusing on optimization for artificial intelligence (AI) tasks.

This allows iPhone 16 to operate smart features that directly help Vietnamese users:

• Supports quick work: The machine can immediately summarize meeting contents, long emails or Vietnamese articles so you can grasp the main idea in just a few seconds. Drafting messages or emails also becomes more professional thanks to the ability to automatically edit sentences fluently.
• Smart image processing: You can easily remove stray people or extra objects in photos taken while traveling. Finding an old photo is also extremely simple, just type the description in Vietnamese and the machine will immediately display the results.
• Virtual assistant understands Vietnamese: Siri responds naturally and understands the user’s thoughts more deeply, helping you make appointments, remind tasks or control features on the device with voice commands accurately.

These utilities help iPhone 16 become a true assistant in life, something that iPhone 15 will face many limitations because the configuration is not specifically designed for the latest AI tasks.

New function key system

Phone 16 completely removes the vibration lever to replace it with an Action Button, allowing users to customize and quickly open any application. In particular, the new Camera Control button makes focusing, zooming and shooting more professional through pressure-sensitive touch operations, providing a real camera-like experience.

Spatial Video recording ability (Spatial Video)

Thanks to the vertical camera design, iPhone 16 supports spatial video recording for review on virtual reality devices. This is a feature that the iPhone 15 does not support due to the old diagonal camera structure.

Specification comparison table

Which option is right for you?

Deciding which model to upgrade to should be considered based on two core factors: Current budget and intended time of use of the device.

• Choosing iPhone 15: If the top priority is economics. With the most economical price in the high-end segment, iPhone 15 still ensures stable performance, modern design and fully meets the daily experience needs of practical users.
• Choosing iPhone 16: If you are willing to spend more to invest in the future. The difference of 3 million VND brings outstandingly powerful performance, perfect compatibility with new artificial intelligence (AI) features and ensures smooth, long-term use value for at least the next 4-5 years.

After determining the appropriate model, choosing a reputable purchase point is the last important step to protect consumer rights. Mobile World is a premium partner and an officially authorized Apple retail system. With a nationwide store network, customers not only easily access genuine products but are also completely assured of transparent origins, clearly listed prices, and dedicated after-sales and warranty policies.

Hopefully the above practical comparison information will help you have an objective view and make a shopping decision that best suits your personal needs.