When purchasing a laptop, the main focus should be on these hardware components; the detailed parameters of each hardware are clearly stated below, which can be bookmarked for future reference. The key aspects to pay attention to are the processor, memory, hard drive, graphics card, and screen.
Since laptops are integrated, the important parameters are already highlighted during purchase. If the content seems overwhelming, focus directly on the key points.
In the future, analyze and compare the differences between different laptops based on these key points, enabling the selection of a suitable laptop without relying on others.
Below are some points to consider when purchasing a laptop:
01
Processor: Determines the computer’s speed of operation and processing capability, affecting the user experience.
Architecture: The processor’s architecture determines its performance and power consumption. A newer architecture usually implies better performance and efficiency.
Clock Speed: The clock speed indicates the processor’s operating speed, typically measured in GHz. Higher clock speeds generally denote better performance, although higher isn’t always necessarily better.
Cores and Threads: The number of cores refers to how many processing units the processor has, while threads indicate how many tasks each core can handle simultaneously. More cores and threads can enhance processor performance, especially in multitasking.
Cache Size: Cache is the processor’s fast memory used to store frequently accessed data. A larger cache can improve processor performance.
Process Node: The process node denotes the manufacturing technology of the processor, measured in nanometers (nm). A smaller process node usually implies higher energy efficiency and performance.
Power Consumption: Power consumption signifies the amount of electrical power the processor consumes during operation, measured in watts (W). Lower power consumption means longer battery life.
Hyper-Threading Technology: Hyper-Threading Technology allows each physical core to simulate two logical cores, enhancing multitasking capabilities.
Turbo Boost: Turbo Boost is the processor’s ability to increase its clock speed when required, boosting performance.
Instruction Set: Different processors support different instruction sets, which can affect the performance of certain applications.
Memory Type and Maximum Supported Capacity: The processor’s supported memory type (e.g., DDR4, DDR3) and maximum supported capacity (e.g., 64GB) should also be considered.
Virtualization Technology: Some processors support virtualization technology, enabling users to run multiple operating systems or virtualized environments on the same machine.
Brand and Model: Different brands and models of processors may exhibit varying performance and features. When selecting a processor, reviewing relevant benchmarks and user reviews is advisable.
Price: Lastly, the price of the processor is also an important consideration. Processors vary significantly in price, so choosing one within your budget is crucial.
02
Memory: The larger, the better, as it enhances efficiency in handling multiple tasks.
Capacity: This determines how many programs your computer can run simultaneously. Generally, a larger memory capacity allows for running more programs concurrently.
Frequency: Memory frequency directly impacts its transfer speed and processing performance. Higher frequencies typically indicate better performance.
Timing: Timing represents the time taken by memory to complete a task, usually measured in nanoseconds (ns). Lower timing values imply faster response times, crucial for high-performance applications like gaming and video editing.
Type: The memory type (e.g., DDR4, DDR3) depends on the type supported by your motherboard. Different memory types are not compatible with each other, so it’s essential to ensure the purchased memory is compatible with your motherboard.
Width: Memory width is measured in bits (bit), for example, 64-bit or 32-bit. A wider memory enables higher data transfer rates.
Frequency: Memory frequency directly impacts its transfer speed and processing performance. Higher frequencies typically indicate better performance.
03
Hard Drive: The larger the capacity, the better, as it can store more files and data.
Type: Hard drives are primarily categorized into two types: mechanical hard drives and solid-state drives (SSDs). Mechanical hard drives have a longer lifespan but are relatively slower, whereas SSDs offer faster speeds but come at a higher price and have a shorter lifespan. Additionally, attention should be paid to the type of particles in the hard drive; for instance, MLC particles are considered the most durable.
Capacity: Choose an appropriate capacity based on your storage needs. If you intend to store large files or perform tasks like high-definition video editing that require ample space, you might require a high-capacity hard drive.
Read/Write Speed: This is usually measured in terms of ‘sequential read/write speed’ and ‘random read/write speed.’ SSDs far outpace mechanical hard drives in speed, making SSDs a better choice if you’re seeking high performance.
Interface Type: The interface type of the hard drive (such as SATA, NVMe, etc.) determines its compatibility with the motherboard. Ensure your motherboard supports the interface type of the selected hard drive.
Size: Hard drive size is also a factor to consider, especially for SSDs. Common sizes include 2.5 inches and 3.5 inches.
Price: Choose a hard drive according to your budget. Generally, hard drives with larger capacities, faster speeds, and reputable brands tend to be more expensive.
Cache Size: For SSDs, cache size is also a consideration. A larger cache can offer better performance but may come at a higher price.
Durability and Reliability: The durability and reliability of a hard drive are important factors to consider. Some brands and models may have a higher MTBF (Mean Time Between Failures), indicating greater reliability and longevity.
Warranty Policy: When purchasing a hard drive, review the manufacturer’s warranty policy. A longer warranty period can offer better protection.
04
Graphics Card: It’s crucial for users with high-performance demands, such as graphic processing and gaming.
Graphics Memory Capacity: The graphics memory capacity refers to the space used by the graphics card to store image data. A larger capacity allows for handling more image data, especially crucial for large games and complex graphic tasks.
Memory Bus Width: The memory bus width reflects the internal data transfer width of the graphics card, directly impacting its ability to process data. A larger bus width means a wider data transfer bandwidth and faster processing speed.
Memory Clock Speed: Memory clock speed represents the operating frequency of the graphics card’s memory, directly impacting its performance. Higher frequencies mean faster data transfer speeds and stronger card performance.
Manufacturing Process: The manufacturing process of a graphics card reflects its fabrication technology, such as 6nm, 7nm, etc. More advanced processes achieve higher integration and lower power consumption.
Pixel Fill Rate and Texture Fill Rate: These parameters mainly describe the graphics processing capability of the card, determining the speed and quality of image rendering.
Power Consumption: The power consumption of a graphics card reflects its energy consumption level. Lower power consumption implies relatively lower energy usage.
GPU Architecture and Scale: GPU architecture and scale are among the key factors determining graphics card performance. Different architectures and scales exhibit different performance outcomes.
Display Resolution: Knowing your monitor’s resolution helps in choosing an appropriate-level graphics card to meet your needs.
Interface Type: The graphics card’s interface type (such as PCI Express x16, PCI Express x8, etc.) determines its compatibility with the motherboard. Ensure your motherboard supports the selected graphics card’s interface type.
Cooling Solution: The cooling solution for a graphics card is crucial in maintaining its performance and stability. Some cards come with cooling solutions, while others might require separate purchases of coolers or heat sinks.
Price: Choose a graphics card according to your budget. Generally, higher-performing cards tend to be more expensive.
Brand and Quality: Opting for reputable brands ensures quality and reliability. Checking user reviews and professional assessments can help understand the performance and reliability of different brands’ cards.
Warranty Policy: When purchasing a graphics card, review the manufacturer’s warranty policy. A longer warranty period provides better protection.
05
Screen Size and Resolution: Choose the appropriate size and clarity based on personal usage needs.
Resolution: Resolution refers to the number of pixels displayed on the screen, usually expressed as the number of pixels in width and height. Higher resolution means clearer images and richer details.
Color Gamut: For those requiring precise color representation, consider the screen’s color gamut. A broader color gamut offers better color display. For regular users, a 70% NTSC color gamut may suffice, while those with higher design demands might consider screens with Adobe RGB or 100% sRGB color gamuts.
Refresh Rate: The refresh rate indicates how many times the screen updates images per second. A higher refresh rate can reduce image blurring and ghosting, making motion scenes smoother.
Brightness and Contrast: Brightness signifies the intensity of light emitted by the screen, while contrast represents the difference between the brightest and darkest parts of the screen. Screens with higher brightness and contrast offer a better visual experience.
Viewing Angle: The viewing angle indicates from which angles you can see the screen’s content. A larger viewing angle allows more people to view the screen simultaneously.
Interface Type: The screen’s interface type (such as HDMI, DisplayPort, etc.) determines its compatibility with devices like the motherboard and graphics card. Ensure other devices support the selected screen’s interface type.
Panel Type: Common panel types include TN, IPS, and VA. TN panels offer fast response times suitable for gaming; IPS panels exhibit excellent color performance suitable for design and watching movies; VA panels offer the highest contrast suitable for watching movies.
Size: Laptop screen sizes typically range from 13 inches to 17 inches. Consider usage needs and the environment when selecting size; generally, larger screens offer a better viewing experience.
Resolution Scaling: If your laptop screen has a high resolution, you may need to enable resolution scaling to adapt to different applications and windows.
Touch Functionality: Some laptop screens support touch functionality for convenient operations. However, touchscreens might increase power consumption and cost.
Brightness and Contrast Adjustment: Some laptop screens support brightness and contrast adjustments, enhancing visual experience in different environments.
Reflectance: If you frequently use your laptop in outdoor or bright environments, opt for a screen with low reflectance to reduce glare and eye strain.
06
In Conclusion
Overall, choosing a laptop that suits your preferences requires considering your current needs and also anticipating expandability for the next 2-3 years. I hope this article has been helpful for you when navigating the process of selecting a laptop.
- Battery Life: It’s crucial for users who frequently carry their laptops outdoors. Having around three to four hours of battery life without needing to plug in is usually sufficient, but the importance varies based on different usage scenarios.
- Weight and Thickness: The lighter and thinner the laptop, the more convenient it is to carry. However, this may come at the cost of performance and heat dissipation. Previously, weight might not have been a concern, but now, if it’s frequently carried around, the discomfort of a heavy laptop becomes evident, so this aspect depends on individual preferences.
- Keyboard Feel and Touchpad: These factors affect comfort and efficiency during prolonged use. Depending on personal habits, if used for extended periods, purchasing a set of external keyboards and mice that you like might be beneficial.
- Brand and After-Sales Service: Opting for reputable brands ensures better quality assurance and after-sales service. Selecting brands from tiers 1-3 generally results in fewer issues.
- Expandability: The ability to upgrade hardware components like memory and hard drive to meet potential future needs. It’s best if a laptop supports upgrades; generally, having this feature is beneficial if there are new requirements later on.
