lpddr3 vs ddr4 sdram what is the difference

lpddr3 vs ddr4 sdram what is the difference

Apple announced that their newest desktop computer, the iMac Pro, would come equipped with a new type of memory called “LPDDR3”. This announcement left many people wondering what the difference between LPDDR3 and DDR4 SDRAM was. In this post, we will explore the differences between LPDDR3 and DDR4 SDRAM, as well as explain why LPDDR3 is being used in the iMac Pro.

Data Rates

The first major difference between LPDDR3 and DDR4 SDRAM is their data rates. DDR4 SDRAM has a data rate of 2133 MT/s, while LPDDR3 has a data rate of 1866MT/s. This means that DDR4 can send more data per second than LPDDR3. However, LPDDR3 bis capable of sending more data per clock cycle than DDR4. This is because LPDDR3 uses a dual-channel interface, while DDR4 uses a single-channel interface.

The second difference between LPDDR3 and DDR4 SDRAM is their power consumption. DDR4 SDRAM typically consumes less power than LPDDR3. This is because LPDDR3 has to send more data per clock cycle than DDR4 in order to achieve the same data rate.

The third difference between LPDDR3 and DDR4 SDRAM is their package type. LPDDR3 is available in a PoP (package-on-package) form factor, while DDR4 SDRAM is available in a TSOP (thin small outline package) form factor.

Range of processor

DDR4 sdram is the newer type of memory and it is supposed to be faster and more efficient than lpddr3. However, in some cases, lpddr3 can be faster due to the fact that it is compatible with a wider range of processors.

Another difference between the two types of memory is that DDR4 sdram uses less power and produces less heat. This can be important for devices like laptops that rely on battery power.

Overall, it is difficult to say which type of memory is better. It really depends on the specific situation. If speed is the most important factor, then DDR4 sdram is probably the best choice. But if compatibility is a concern, then lpddr3 may be the better option.

It really depends on your needs and what you are using your device for. If you want the best performance possible, then DDR4 sdram is probably your best bet. But if you are looking for a more versatile option that will work with a wider range of processors, then lpddr3 may be better suited for you. No one type of memory is necessarily better than the other; it all comes down to what you need and what you are willing to compromise on. So make sure that you understand all the pros and cons of each memory type before making your decision. The choice between DDR4 sdram vs lpddr3 comes down to what matters most to you.

Here’s one from another source:

Power consumption:

Another difference between LPDDR3 and DDR4, however, is their power consumption: while typical DDR4 SDRAM consumes 1.2 volts (or 1.35V for mobile), typical LPDDR3 is specced at 1.1 or 1.2V depending on the standard. That’s because LPDDR3 has to send more data per clock cycle than DDR4 in order to achieve the same data rate.

The final difference between the two is that LPDDR3 is available in a PoP (package-on-package) form factor, while DDR4 SDRAM is available in a TSOP (thin small outline package) form factor. This means that DDR4 modules are typically about twice as wide as LPDDR3 modules.

DDR4 SDRAM over LPDDR3 really depends on your needs. If you need higher performance, you should choose DDR4 SDRAM. If you need lower power consumption and better thermal performance (important in larger form factors like laptops), you should choose LPDDR3.


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Wasim Cheema
By Wasim Cheema

Wasim Cheema is a tech enthusiast who is passionate about all things that have to do with laptops and gadgets. He provides unbiased laptop reviews on different tech sites, where he has been sharing his thoughts on the latest technology for over 8 years now. His technical knowledge has helped him in providing sound advice on various topics including laptops, tablets, smartphones, and other consumer electronics which are often difficult to find a reliable source of information on the web.


The Laptop Arts is reader-supported. When you buy through links on our site, we may earn an affiliate commission.

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