Why do you need ddr

As planned, DDR5 will provide double the bandwidth and density over DDR4, along with delivering improved channel efficiency.

Having the capacity to expand the life of a notepad battery, […]. However, the latter is an umbrella name for RAM while the latter is a subcategory under […]. You might be wondering if you can mix RAM modules of different clock speeds. The answer is that yes, you can, but they'll all run at the clock speed of the slowest module. If you want to use faster RAM, don't mix it with your older, slower modules. You can, in theory, mix RAM brands, but it isn't advisable. You run a greater chance of encountering a blue screen of death or other random crashes when you mix RAM brands or different RAM clock speeds.

You will sometimes see RAM modules with a series of numbers, like These numbers are referred to as timings. The lower the numbers, the quicker the RAM reacts to requests.

The first number 9, in the example is the CAS latency. The CAS latency refers to the number of clock cycles it takes for data requested by the memory controller to become available to a data pin.

Weird, right? With a CAS latency of 7 cycles, the total latency is 1. Even if it has a higher CAS of 9 cycles, the total latency is 1.

That's why it's faster! For most people, capacity trumps clock speed and latency every time. In most cases, timing and latency are the last points of consideration. ECC ram is used in servers where errors in mission-critical data could be disastrous.

For example, personal or financial information is stored in RAM while manipulating a linked database. You can find out the total data rate of a RAM module by multiplying its frequency by eight.

Long past are the days where "K ought to be enough for anybody. The average amount of installed RAM is increasing across all hardware types, too. Operating systems have different specifications, too. Conversely, numerous Linux distributions work extremely well with smaller amounts of RAM.

Nate Hohl has been a gamer ever since he was old enough to hold a SNES controller and his love of both gaming and writing made game journalism a natural fit. He enjoys tackling current issues within the gaming industry as well as probing the minds of his readers in order to engage and inform them. In addition to gaming and writing, he is also an avid reader, a bit of a history buff, and a die-hard martial arts enthusiast.

Save my name, email, and website in this browser for the next time I comment. All rights reserved. Close Search. Graphics memory needs huge bandwidth rather than low latency in order to work well — because graphics cards move lots of large files simultaneously. In computing terms, though, these files are actually being moved relatively slowly.

Conventional PC memory moves smaller files at higher speeds, so it requires less bandwidth but better latency. Those requirements mean that graphics memory needs to excel with parallel computing. Unsurprisingly, the move from GDDR5 to GDDR6 saw big development in this area: the number of data transfers per clock cycle has doubled, from two to four, and individual memory chips can now be read in dual-channel arrangements rather than just single channel.

These developments are similar to the changes that have occurred in conventional processors over the last decade or so — CPUs have introduced more cores, and the ability for these cores to handle multiple tasks concurrently. The parallel, bandwidth-heavy design of GDDR6 memory also means that console manufacturers turn to this kind of technology for their devices.