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Difference between 64K and 128K SIM Cards
SIM stands for Subscriber Identity Module. A SIM card is a tiny chip used in mobile devices to recognize a user’s identity uniquely to the mobile network. A SIM card helps a mobile device user to perform various functions, such as voice calling, video calling, messaging, accessing internet services, etc.
SIM Card has a small memory to contain the details related to the user, such as contact numbers, text messages, and Meta data of the SIM card user.
SIM cards require different voltage supplies like 1.8 V, 3 V, 5 V, etc. to work. In context of SIM cards, the term “K” defines the memory capacity of SIM card in Kilobytes. For example, a 64K SIM card has a memory of capacity of 64 Kilobytes.
Now, let us discuss about the 64K SIM card and 128K SIM card in detail.
What is a 64K SIM Card?
A type of SIM card that has a memory capacity of 64 kilobytes to store information, such as contact numbers, messages, etc. is called a 64K SIM card.
Therefore, 64K SIM card has more storage capacity than its older version, i.e. 32K SIM card. Thus, it allows user to store more contact numbers, messages, etc.
What is a 128K SIM Card?
A type of SIM card that has a memory capacity of 128 kilobytes to store information like contacts, messages, user’s identity, etc. is called a 128K SIM card.
The 128K SIM card is similar to a 64K SIM card, the main difference is that the 128K SIM card can store more number of contacts, text and multimedia messages, and other information.
After getting an overview of 64 K SIM card and 128 K SIM card, let us now discuss their differences.
Difference between 64K and 128K SIM Card
The following table highlights all the major differences between 64K and 128K SIM cards −
Parameter |
64K SIM Card |
128K SIM Card |
|---|---|---|
Basic |
A SIM card that has storage capacity of 64 kilobytes is called a 64K SIM card. |
A SIM card that has storage capacity of 128 kilobytes is called a 128K SIM card. |
Memory capacity |
64K SIM card has 64 kilobytes of memory space. |
128K SIM card has 128 kilobytes of memory space. |
Number of contacts |
64K SIM card stores less number of contact numbers as compared to 128K SIM card. |
128K SIM card can store more number of contacts as compared to a 64K SIM card. |
Text messages |
64K SIM card stores less number of text messages. |
128K SIM card can store more number of text messages as compared to the 64K SIM card. |
Compatibility |
64K SIM card is compatible with older mobile devices. |
128K SIM card is compatible with newer mobile devices. It cannot be used in older devices that support 64K SIM card only. |
Computer synchronization feature |
64K SIM cards do not support the computer synchronization feature. |
128K SIM cards support the computer synchronization feature. |
Services |
64K SIM cards support less network services. |
128K SIM cards support more services than 64K SIM cards. |
Security |
64K SIM cards support less security features. |
128K SIM cards support enhanced security features like protection against unauthorized access. |
Cost |
64K SIM cards are less expensive. |
128K SIM cards are more expensive due to higher storage capacity and advanced features. |
Conclusion
The most significant difference between 64K SIM card and 128K SIM card is in their storage capacity, i.e. 64K sim card has a memory capacity of 64 kilobytes, whereas 128K sim card has a memory capacity of 128 kilobytes. Also, the 128K SIM cards support more advanced features such as remote management, location-based services, mobile payment features, stronger encryption, etc.
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