5 important specifications users need to pay attention to when buying a smartphone

Deciding to buy a smartphone is more than just choosing a piece of technology, it's also an investment in your digital experience for years to come.

With so many options on the market, finding the right phone for your needs and budget can be confusing. Let's explore the most important specs you need to consider to make the right decision.

1. Screen size and refresh rate

Screen size is not just a number, but also a factor that directly determines the user experience. From surfing the web, watching movies to playing games, a suitable screen will bring vivid and comfortable experiences.

Therefore, this is always the top factor that users care about when choosing to buy a new smartphone. From compact, easy-to-hold smartphones with screen sizes under 5.5 inches to phones with large screens over 6.5 inches, each size has its own advantages and disadvantages, suitable for different usage needs.

Besides screen size, another equally important parameter is the screen refresh rate, also known as scan frequency. Screen refresh rate is one of the important factors affecting user experience, especially when playing games, watching movies or working with graphics.

Most mid-range and high-end smartphones today are equipped with screens with a refresh rate of 120Hz or higher instead of a 60Hz refresh rate, which provides a smoother user experience, faster response, and minimizes screen tearing and blurring.

2. Battery capacity

Battery capacity is also one of the important factors when choosing to buy a smartphone. A phone with a large battery capacity will help you work comfortably, entertain and stay connected anytime, anywhere. No more worries about running out of battery in the middle, you can enjoy the experience of using the phone to the fullest.

On the contrary, a phone with low battery capacity will make you feel limited and dependent on the power source. Therefore, when choosing a phone, you should prioritize models with large battery capacity and energy-saving features.

If you often use your phone to play games, watch movies, surf the web, listen to music for a long time, you should choose a phone with a large battery capacity of over 5,000 mAh to ensure the device works all day without needing to be charged.

3. Microprocessor

The processor, also known as the CPU, is often overlooked when buying a phone. However, it is the heart of the smartphone and plays a vital role in handling all tasks. An underpowered CPU can cause your phone to slow down, especially when running heavy applications like 3D games or video editing.

In addition, a weak CPU also causes overheating, consumes more power, leading to a significant reduction in battery life. On the contrary, a phone with a powerful CPU will bring a smooth user experience, efficient multitasking and better battery life.

So, when choosing a new smartphone, users should pay attention to the CPU. A modern CPU not only ensures powerful performance, helping the device run the latest applications and games smoothly, but also provides a better user experience.

In addition, new generation CPUs often come with advanced features such as AI support, high-quality image and video processing capabilities, helping users make the most of applications and services on their phones.

Currently, there are many different types of CPUs on the market such as Qualcomm Snapdragon, which is one of the largest and most popular CPU manufacturers in the world, equipped on most Android phones. Besides, there is Apple A-series CPU (including A13, A14, A15, ...) specifically for iPhone devices, which is always highly appreciated for its performance and software optimization.

In addition, MediaTek (Taiwan) CPUs, considered a major competitor of Qualcomm, provide CPUs for many different phone brands, especially in the mid-range and low-cost segments. Another CPU line from Samsung (Korea) is Exynos, mainly equipped on Samsung Galaxy phone lines.

4. Camera hardware

Camera hardware plays a big role in determining the quality of the photos your phone takes. A large image sensor, wide aperture, and high-quality lens will help you get sharper, more detailed photos with more realistic colors.

With a phone with a good camera, you can confidently capture beautiful moments in life and share them with friends. Therefore, when choosing to buy a phone, you should prioritize models with modern camera hardware to take beautiful photos.

To evaluate whether a phone has a good camera or not, you need to pay attention to technical parameters such as sensor resolution, sensor size, lens aperture, focal length, and additional features such as optical image stabilization (OIS), optical zoom, etc.

5. Modem

In a smartphone, the modem acts as a bridge, connecting your device to the cellular network so you can make calls, send messages, access the internet, and use other data services.

The modem plays a central role in managing your smartphone's network connection. A bad modem can cause a weak network signal, causing problems like dropped calls and intermittent internet connections. It can even cause your phone to work overtime searching for a signal, consuming more power and shortening battery life.

Therefore, choosing a phone with a high-quality modem from major manufacturers such as Apple, Samsung, Qualcomm, MediaTek and supporting multiple bands (from 2G to 5G) helps increase the ability to connect to a stable network, especially when moving between different areas.

In short, choosing a smartphone depends a lot on your personal needs. If you prioritize watching movies, playing games or working continuously on your phone, choose a phone with a large battery capacity and a large screen for the best experience.

On the other hand, if you care a lot about photo quality, you should prioritize phone models with modern camera systems. However, no matter which smartphone you choose, make sure that it meets your basic needs and brings satisfaction when using it.