SD vs SDHC vs SDXC Card Difference

Do you know the difference between SDHC vs sdxc? Want to know comparison for sdxc vs SDHC ? Do check out this article about Micro SD Card Class.

As we know, these days almost all the smartphone device comes with little or more built-in memory storage capacity. But, if you are not satisfied with the internal storage capacity of your existing phone, then with the help of an external memory card device, you can satisfy your needs of memory storage. At present, there are many kinds of external memory cards are available in the market.

If you want to buy a new memory card for your smartphone but if you are confused about the types of memory card. If you are looking at the difference between the SD vs SDHC vs SDXC cards, then you are in the right place. Because, in this article, we have mentioned the difference between SDHC and sdxc & SD cards.

What’s Difference between SDHC vs SDXC

Such that Secure Digital card (SD card), Secure Digital High Capacity Card (SDHC card), Secure Digital Extended Capacity card (SDXC card). They all are the different variants of the format of Secure Digital (SD).

All the different variants of SD format have been released as per the SD Card Association (SDA). Here in this article, we are going to discuss SD SDHC SDXC Card Difference.

sdhc vs sdxc

sdhc vs sdxc

As per discussed above, the full form of SD card is Secure Digital card. As per the SDA, almost all the SD card will store the data or files up to the capacity range from 128 MB to 2 GB.

So, we can say that the memory card with a storage capacity range from 128 MB to 2 GB, are comes in a Secure Digital card variant. FAT16 is a default format of SD card. All the SD card will easily compatible with host devices that support SD, SDHC or SDXC card. Finally, the SD cards come with low memory storage space.

Difference Between SDHC and SDXC

As we discussed in our earlier topic, SDHC stands for Secure Digital High capacity while SDXC means Secure Digital Extended Capacity card. According to TimesofIndiaSD, SDHC and SDXC types of storage cards are variants of SD(Secure Digital) format.

With the passage of time, the requirement for bigger and higher capacities arises, the SD card has grown in various capacity too. Most of the SDHC cards are packed with a capacity of 4GB to 32GB storage size. While SDXC cards are packed with size from 32GB to higher than that. Maximum it can be expected to be a storage capacity of 2TB.

While the data storage capacity of Memory Card SDHC (Secure Digital High Capacity) is more than comparing to SD cards. This type of variant of SD format is based on the 2.0 specification of SDA. The main feature of Micro SDHC Cards is that can store the data or memory up to the capacity of 2 GB to 32 GB. SDHC card comes with FAT32 default format.

All the SDHC card works differently than other SD cards. It gives a great performance in the latest smartphone devices, tablets, digital cameras, and more devices. The SDHC card is easily compliant with most host devices.

The greatest variant of SD format is SDXC card. The full form of SDXC Memory Card is a Secure Digital Extended Capacity card. It comes with having data storage capacity from 32 GB to 2 TB maximum.

All the SDXC cards are based on the 3.0 specification of SDA. Micro SDXC Memory Card cards allow you to store the thousands of image files along with more files. SDXC card can store the highest files compare to other SD variants SD cards and SDHC cards.

All the memory cards are rated with some class, keeping the focus of speed. The class like Class 2, Class 4, Class 6, Class 8 and Class 10. In which, memory card rated with Class 10 rating provides minimum data transfer speed up to 10 MB/s and is also gives the highest speed.

While the Class 2 speed rated memory card gives lower speed then all class. Some memory cards are also rated with the ultra-high-speed bus 1 or 3(UHS-1 or UHS-3). The UHS-1 rated memory card device provides a minimum speed of 10 MB/s, however, the memory card with UHS-3 rating gives 30 MB/s data transfer speed minimum.

Here is an important table about memory card class and speed that you should consider while purchasing a new memory card for your smartphones/tablets. (Table Source)

ClassMinimum Speed
Class 22MB/s
Class 44MB/s
Class 66MB/s
Class 1010MB/s

The price of all types of memory card is different. SD card is cheap from all the card. While the price of the SDHC card is more than an SD card but less than the SDXC card. The price of the SDXC card is more than both SD and SDHC card. There are also some variations in the price of memory card, which is created by the various companies.

Check out the best resource to find out SDHC vs sdxc in details:

In our upcoming article, we will be talking about micro sd vs MicroSDHC. So stay tuned.

In the market or any online store, you will find plenty of MicroSD or SD card that come with a different rating and class so that you can identify which is the best. In the SD cards generally, you will find the SD, SDHC, and SDXC card class that show the type of memory card.

The Difference between SD, SDHC & SDXC

Here we are talking about both SD Card and MicroSD cards that you all are using with your smartphone. SD, SDHC, and SDXC, these all come with the same physical shape, and these all come with the same dimension and weight. The SD cards are considered as old technology, and they have limited storage space.

You will find the SD card slots on some older SLR cameras and other older media player devices. As we mentioned above, the SD cards are considered as old technology. So they can also be used in the older version on SLR cameras and other media player devices that support the SD card format.

In the market or any online store, you will find lots of top best brands that offer faster and high-quality SD card and MicroSD card. The faster and high-speed MicroSD cards and an SD card comes with an SDXC rating.

The SDXC rating shows the quality and speed of memory cards. So if you want to buy a high speed faster MicroSD card for your action camera or DSLR, then you have to buy a MicroSD with SDXC rating.

Because the SDXC rated MicroSD cards offers faster data reading and writing speed. With the SDXC type MicroSD cards or SD cards, you can also record 4K UHD videos from your Action camera or your smartphone that support the 4K UHD video recording. The SDXC type memory card also offers higher storage capacity so that you can store more and more on your memory card.

On all types of memory cards, you will also see a Class 2, 4, 6, 10 rating that shows the memory card speed class rating. In this time, The SDXC rated MicroSD card, and SD card is the most secure and faster memory card format that you can use with your smartphone that supports large capacity MicroSD card.

SD rated memory cards

The SD cards are the old format of memory card that can be used with older cameras, Media Player devices, and other devices that support the SD card. The SD stands for “Secure Digital”. In other word, we can also pronouns Secure Digital Memory cards. These kinds of memory cards come with limited storage space, and slow data transfer speed than SDHC and SDXC rated memory card.

As you know that the SD cards are an older version memory card, but they are still the most popular. Because in this time, you can buy them at a very cheap rate and you can also use them with your old cameras to capture photos and videos. Most of DSLR and SRL cameras still support the SD cards to store all captured photos and videos. But these kinds of MicroSD cards are not able to provide faster data transfer speed if you want to move your all captured photos and videos to your computer.

Usually, you can find this kind of memory card in different low capacity memory card sizes like 64MB, 128MB, 256MB, 512MB, 1GB, and max 2GB. In the SD rated cards, you will find maximum 2GB of storage capacity. The SD rated memory cards can be used with all devices that support all format like SD, SDHC, and SDXC. The SD Cards generally come with the FAT16 file system as the default format.

SDHC rated memory cards

The SDHC card format is now the most popular format among the users. The SDHC stands for “Secure Digital High Capacity, ” and the SDHC rated card can offer between 4GB to max 32GB storage capacity in MicroSD card format. In this time, most of the users use this SDHC rated memory cards. Because the SDHC rated memory cards offer up to class 10 speed rating that means the user can get the faster transfer speed while moving files and other data. The SDHC rated memory cards can be used with the 4K Video Camera, Digital Cameras, Digital Media Player, Digital Music Player, and other devices.

On the market or ay online stores, you will find plenty of MicroSD cards that come with an SDHC rating.

The MicroSD cards with an SDHC rating can offer faster data transfer speed up to 10mb/s. That means you will get the faster data transfer speed than SD rated memory cards. As we mentioned above, the SDHC rated memory card can offer storage capacity between 4GB to 32GB that means you can store lots of things like HD videos, Music, Movies, Apps, etc.

Typically, you can find this kind of memory card in different capacity memory card sizes like 4GB, 8GB, 16GB, and max 32GB. The SDHC rated memory card comes with a FAT32 type file system as the default format. You can use this kind of memory cards with all compatible devices that support SDHC rated memory card.

SDXC rated memory cards

If you are looking for what does sdxc mean? The SDXC stands for “Secure Digital eXtended Capacity” and the SDXC rated card are so faster than SD and SDHC rated memory cards. Compared to SD and SDHC rated memory cards, the SDXC rated memory card also offers large storage capacity so that users can store more and more.

This kind of rated memory card doesn’t work with older devices or older cameras because it supports the different file system called exFAT which is latest and advanced that you can only find on latest high capacity MicroSD cards. As we mentioned above, the SDXC is latest and new file format so you can find this kind of memory card in different large capacity memory card sizes like 64GB, 128GB, 256GB, 1TB, and max 2GB.

The SDXC rated MicroSD cards can be used with all latest smartphone, tablet, portable music player, portable media player, etc. With the large capacity, the user can store lots of things like Apps, Full HD movies, Videos, Music, Photos, and much more. The SDXC rated memory cards also offer a faster performance while transferring data from MicroSD card to smartphone or another device. The SDXC rated memory cards came offer data transfer speed up to 312mb/s in the UHS-1 speed class.

Storage CapacitySD Cards(Upto 2GB)SDHC Cards(4GB to 32GB)SDXC Card(64GB to 2TB)
Speeds ClassUp to Class 10, (Up 10MB/s)Up to Class 10, (Up to 10MB/s), UHS-I (up to 156MB/s)Class 10 (10MB/s), UHS-I (up to 156MB/s), UHS-II (up to 312MB/s)
UseCameras, Video recorders, Phones, Readers, etcCameras, Video recorders, Phones, Readers, etcAction Cameras, Video recorders, smartphones, Readers, etc
Default FormatFAT16FAT32exFAT
CompatibilitySupport “SD”, “SDHC”, or “SDXC” Host devicesSupport “SDHC”, or “SDXC” Host devicesSupport “SDXC” Host devices

Do let us know if you still need any help regarding understanding those terms, We will be happy to answer you.

Best microSD Cards - Amazon Memory cards
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