Difference Between Micro SD, SDHC and Micro SDXC Memory Cards

By: | Updated: Jan-16, 2023
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Secure Digital Memory, or SD card, is a very popular storage method that is widely being employed by small devices such as tablets, phones, digital cameras and GPS navigation devices. So when you hear the terms microSD, microSDHC, or even microSDXC, you may be wondering what those terms are and what you can do with them.

Summary Table

Micro SD SDHC Micro SDXC Memory Cards
2 GB of available storage

Storage space ranging from

4 GB to 32 GB of storage are available. 32 GB to 200 GB (Potentially at 2 TB)
Prices range from about $7.00.

 

Prices range from about $6 to $20. Prices range between $15 and $200.

 

Uses FAT12, FAT16 or FAT16B as file system Uses FAT 32 as file system Uses exFAT as file system
Potential transfer rate is 25 MB/s. Potential 50 MB/s to 150 MB/s transfer rate Potential 50 MB/s to 312 MB/s transfer rate

Difference Between Micro SD, SDHC and Micro SDXC Memory Cards

 

It is true that all of them are safe, but there are some important differences between them. Understanding the differences will help you get the most out of each of your devices. The major differences between them are in their storage capacity. Micro SDXC cards are more expensive and give you more space, but there are also some benefits to using them. The micro SDHC card has twice the storage capacity as a micro SDHC card, but there is much less space on a micro SDHC card.

In the next section, we’re going to explain the differences in the types of microSD cards that are available so you can know which one is right for you. You will know what type of massage is right for you.

What is Micro SD?

The micro SD card is the newest type of consumer-friendly flash memory card in use today. The microSD card is a smaller version of SD cards that are interchangeable and has a set of connections to enable you to use them in common SD card slots. It’s also a variation of SD cards, which use the same kinds of electrical connections as SD cards. MicroSD cards were created as a cheaper alternative for users of small handheld electronics.

Because many devices are becoming smaller, standard SD cards are often too big for many kinds of devices. Smartphones in particular were one of the first devices that started to use microSD cards. In 2005, a micro SD card was introduced that was smaller than a normal SD card, and was made to be smaller than traditional SD cards. An ordinary USB memory stick can store up to 256 GB, and a microSD chip can store up to 1,200 MB.

Most smartphones and other large devices rely heavily on standard SD card slots when possible, but some devices, like smartphones and other very tiny cameras, rely heavily on microSD cards for their tiny size.

What is SDHC?

Secure Digital cards have a maximum storage capacity of 32GB. These are cards that enable you to easily keep a collection of your favorite photos and videos in high-definition. These cards can hold a lot more data than regular SD cards and are therefore perfect for normal cameras. So, if you just got your hands on a new camera, you should use an SDHC card.

 

SDHC cards work with other types of media and are different from the SD cards you use today. Other cameras that can accept SD cards (up to 2GB) will NOT support it. Most newer readers/computers/etc. Are capable of reading SDHC cards, so it’s likely that most of those devices are also capable of reading SDHC cards. Check for the SDHC logo on all SDHC cards, cameras and other storage devices (cameras, etc.).

Similar to your micro SD cards, Secure Digital High Capacity has a higher storage capacity of 4 GB to 32 GB. It still has the same standard dimensions of 11 mm by 15 mm and is a secure digital card. Additionally, it has a higher transfer rate of up to 150 MB/S and possibly 50 MB/S.

Difference Between Micro SD, SDHC and Micro SDXC Memory Cards

 

 

What are Micro SDXC Memory Cards?

SDXC is a Micro SD Card that allows users to store up to 100 megabytes of data. MicroSDXC cards hold from 32GB to 2TB of data. Drones, cameras that enable high definition images, 360-degree cameras, and many more expensive cameras that allow high definition captures are all used to capture footage.

SDXC cards were introduced in 2009, which allowed users to have more storage space. They can hold up to 2TB. They can hold as much as 2TB of images and use a system that stores images in exFAT files. Most professionals use SDXC cards because of the rapid speeds they offer and the convenience they offer.

When you switch memory cards every couple hundred exposures, you can take images that are hundreds of thousands of pixels wide.

How are They Related?

What we discuss here are three kind of SD cards. It is very easy to use an SD card. All you do is insert it into the slot on your device. Whatever device you decide to use, all of the memory cards will work just fine. Just find the SD slot and then put the card in there. Sometimes the chip in the camera or other small device will recognize an SD card and it will start storing the information on it. If it does that, it will write the information to the card.

There are three types of cards that you’re likely to come up with when you start to look at memory cards: SD cards, microSD cards, and flash cards. Memory cards with different capacities vary wildly if you want to store large files, but slower memory cards are enough if you want to store large files.

Slow memory card speeds and smaller capacity will suffice for many common types of devices, including point-and-shoot cameras and video cameras. If you have modern technology that processes large files and has a lot of information, it’s important to purchase memory cards that are compatible with these features.

What are the Differences?

Storage capacity

Micro SD cards have the lowest capacity of any type of flash memory cards, but they can hold up to 2 GB of data. Micro SDHC cards come with a maximum of 32 GB of storage space. Micro SD has a storage space of up to 2 TB, but due to its small size, the storage space is limited to only 200 GB.

Speed

Speed of flash memory cards varies depending on speed class which are generally 2, 4 and 6 and 10, with 2 being 2 MB/s, 4 being 4 MB/s, 6 being 6 MB/s and 10 being 10 MB/s. Typically, the speed of SDHC or SDXC cards is indicated by UHS 3 or UHS 1. With UHS 1, the maximum speed is expected to be around 10 MB/sec and with UHS 3, speeds are at least 30 MB/sec.

Compatibility

These cards can also be used with new host devices. This means, after being upgraded, all SD cards will be supported by SD and SDXC host products. MicroSDHC cards are only supported by SDC and SDXC products, and are incompatible with all other storage products. In addition, micro SDXC cards are only fully supported by SDXC-enabled storage devices.

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