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The technology of storage is improving year by year, we can store terabytes of data in a tiny chip. Also, those digital gadgets are using TF card and SD card for keeping data. For instance, the devices like tablets, 3D printers, DSLR cameras, Drones, dash cam and the other types all adopt memory cards as their storage option. TF card vs SD card, how can we make right selection for the equipment? Researching into the difference and similarity between them is helpful for making correct purchase.

What is TF card?

TF card stands for trans-flash card. This is a small, removable, and portable storage media for expanding the capacity of various electronic devices. The first launch of it was in 2004, which was invented by Motorola and SanDisk. The presentence of TF card was to replace SD cards at that time. Meanwhile, it got a new name of Micro SD card due to its compact design. With one Micro SD card, user can upload and download data among various devices.

As small as a fingernail is the most amazing part of TF card, which only occupy limited space in the devices. Therefore, especially smartphones adopt it as storage accessory. No matter storing photos, music, movies, files, or applications this tiny media is a better choice.

What is SD card?

SD Card has an official name Secure digital and is one member of bulk memory card group. It consists of controller and non-volatile flash memory inside, therefore, the main function of it is storing data. As if the electronic devices need additional storage, SD card can be a nice option. What’s more, SD card has a unique technology of data security and protection. There is an extra lock button on the shell, it can protect the data from loss in case any mistake formatting. Also, SD cards use non-volatile memory technology, it means the data will not disappear when the power is off.

Due to the reliable technology and portable design, SD card is used for storing important files, photos, documents, and movies. In addition, there are various sizes and formats for SD cards, which are workable with different devices and applications.

The difference of TF card VS SD card

To make a right selection on TF card and SD card, there are numbers of key parameters to consider. Such as dimension, Format, speed, capacity, application range, and cost, all of these are linking to the decision on purchase.

1.Dimension – This is the most obvious difference between TF and SD cards. TF card is much smaller than SD card, therefore, it is a perfect choice for smaller devices such as smartphones, toys, Bluetooth speakers, and the other equipment. While SD cards will be used in cameras or larger devices, the storage space has enough room for it.

• SD Card: 32mm*24mm*2.1mm
• TF Card (Micro SD Card): 15*11*1mm

2.Capacity – The development of flash memory is at a leading and speedy step, which has scaled into sub-32nm nodes and 3D layering. This technology drives memory card to support high capacity. Therefore, both TF and SD cards are available for a wide range of capacities. However, TF card has a bit advantage.

• SD Card: from 128MB to 1TB
• TF Card (Micro SD): from 64MB to 2TB

3.Cost – since the launch of SD card and TF card, the price of SD card is more. Viewing from the physical structure, SD card has extra components. Furthermore, Micro SD cards are mostly applied in consumer devices, the cost will cater to the public. Let’s taking 16GB as an example.

• SDHC Card 16GB Class 10: It is USD 2.85/pc
• Micro SDHC 16GB Class 10: It is USD 2.55/pc

The similarity of TF card VS SD card

Both of TF card and SD are belonging to non-volatile memory card. They are used for storing and transferring data in portable devices. Thus, they can deliver in same format and speed. Although they are in different size, manufacturer has developed SD card adapter for Micro SD. With one adapter, Micro SD can be turned into SD card in one second. Even the device just has SD slot, Micro SD can be compatible as if it is using with SD adapter.

1.File system – memory card basically uses FAT32 by default, as it is a general system workable with most devices. Besides it, it also has exFAT and NTFS due to the different capacities.

• SD Card: Support FAT, FAT32, EXFAT and NTFS
• TF Card: display same file system as SD card

2.Speed – both use speed class ratings, which indicates the minimum writing speed. Thus, the standard of defining the speed is same

• SD Card and TF Card: use class 2, 4, 6, 10, UHS-1, UHS-3, V60 and V90 to tell the speed rate.

3.Application – the function of them is to store data and run applications, consequently they can apply to same devices on some occasions.

• SD Card: Normally users adopt it for DSLR cameras, gaming consoles, tablets, GPS and drones.
• TF Card: People use it in smartphones, dash cam and raspberry pi, but it also can be used in cameras with SD adapter.

Conclusion

With a deep tour of TF card and SD card, you may have a vivid notion of them. No one can image that such a tiny card can support up to 2TB, it gathers human innovation and creativity. TF card leads a compact design and versatile function, SD card offers high safety and great performance. Reviewing your needs or budget, you can make a good selection immediately. SD card is a larger type and compatible with devices with big space, while TF card is suitable for compact devices. In other words, each has its own advantages.
Hope people can gain meaningful information from this resourceful guide. When you make decision on purchasing TF and SD cards, you will know how to make choice and how to maximize its usage.

The good news is that your camera user manual will tell you the memory card format and the minimum speed level you need to buy. You need to figure out the capacity and choose your price range. Finally, you must be sure to use one card reader compatible with your card. Otherwise, you may find that the transmission speed is much slower than you want.