What is better for CAS latency?

What is the sweet spot for DDR5 CAS latency?

✅ You want to hit the DDR5 sweet spot: A 6000MHz kit really is the sweet spot when it comes to the latest memory tech. It will happily operate on XMP settings so you can install and forget about it.

How fast should my DDR5 RAM be?

In terms of DRAM frequency, the speed of DDR5 memory is a crucial factor that will have a significant impact. Our internal testing, including synthetic performance benchmarks and real-world applications, has shown that 13th Gen CPUs perform best when running DDR5 at speeds between 6,400MT/s and 7,200MT/s.

What is the latency of DDR5 6000 CAS?

CAS latency is measured in clock ticks. A DDR5-6000 stick has a clock of 3000 MHz, so CL 40 would work out to 13.3 ns CAS latency. An old DDR3-1066 CL 7 stick also works out to 13.1 ns CAS latency. The numbers look different but RAM latency hasn't really changed all that much over time.

Should I use CAS latency 15 or 16?

For CAS latency ratings, lower numbers are better. A DDR4-3200 CL20 module, for instance, has a CAS latency rating of 20. Most DDR5 modules have CL40 CAS latency, which negates DDR5's high clock speeds. It's faster at completing tasks, but it takes longer for the RAM to register it needs to perform a task.

Is 40 CAS latency good?

The 4800MHz speed ensures lightning-fast data transfer rates, reducing latency and improving overall system responsiveness. This is particularly beneficial for memory-intensive applications, gaming, and heavy multitasking, where fast data access is crucial.

Is 4800MHz DDR5 good?

DDR4 3600 CL14 - shortest latency is 7.77 ns. DDR5 5200 CL38 - shortest latency is 14.6 ns. DDR5 5600 CL28 - shortest latency is 10.

What is the lowest latency for DDR5?

Generally, lower CAS latency and higher frequency result in better performance, but these factors also tend to increase the cost of the memory module. If you're building a gaming or video editing PC and want to maximize performance, a memory module with a low CAS latency and high frequency may be a good choice.

Is higher CAS latency better?

Time and time again with our DDR5 RAM reviews, we've found that DDR5 RAM can make a difference to in-game performance. It won't be a massive difference in terms of frames per second, but for folks who want to squeeze every drop of performance out of their rigs, XMP can get you up to 15fps more in certain games.

Is XMP necessary for DDR5?

CAS latency is an accurate indicator of real world latency performance. As speeds increase, CAS latencies also increase, effectively nullifying some of the speed gain.

Is CAS latency important?

The Crucial RAM 16GB Kit, featuring two 8GB DDR5 modules with a blazing fast 4800MT/s speed and CL40 latency, is an absolute powerhouse upgrade for any desktop system. The performance boost from this memory kit is nothing short of impressive.

Is CL40 DDR5 good?

Step 1: Identify the highest memory speed supported by both your processor and motherboard (including overclocking profiles). Step 2: Select the lowest latency memory that fits within your budget at that speed, remembering that a superior (i.e. lower) latency means superior system performance.

How do I choose RAM CAS latency?

It's generally the most important part of the latency when looking at RAM. You want that number to be as low as possible. DDR4 3600 with a CAS latency of 18 isn't all that great. Typically, that would be 16 in any decent quality RAM, and DDR4 3600 C16 is good RAM.

Is CAS latency 18 bad?

For PC gaming, CL38 would be a good starting point to run games lag-free. Remember, the lower the value, the better, so going for DDR5 with a CAS latency as low as CL36 or CL34 is ideal, especially for games that are extremely sensitive to latency.

Is lower CAS latency better DDR5?

As with anything latency related in a PC, lower CAS latency is better but RAM clock speed will override CAS latency as the deciding performance factor so this is the last place you should be looking for gains.

Is low CAS latency good?

As for 32GB of RAM, it can be considered overkill for gaming alone. However, if you are also running other resource-intensive programs alongside your games, such as streaming or video editing software, having that much RAM can help ensure that your computer can handle the workload without slowing down.

Is 32 GB RAM overkill?

DDR5-4800 CL40 memory adds only ~3% more to the system latency than DDR4-3200 CL22, which is apparent in synthetic benchmarking but virtually unnoticeable in a majority of real-world use cases and games.

Does CL matter in DDR5?

RAM data transfer speed is measured in Megatransfers per second (MT/s). With DDR5, you get a baseline 50% increase in data transfer rate compared to DDR4. In addition, it has planned performance increases that will eventually more than double the DDR4 data transfer rate.

Is DDR5 actually faster than DDR4?

DDR5 offers improvements over DDR4 in terms of higher data transfer rates, increased bandwidth, and enhanced power efficiency. If you're building a high-performance system, especially for gaming or content creation, DDR5 could provide a noticeable boost in overall system responsiveness.

Is DDR5 actually faster?

Good 5200Mhz RAM, while a bit slower than the recommended 5600Mhz+ RAM, works/continues to work perfectly in multiple DDR5 builds now. XMP on an MSI motherboard enabled, no issues running at profile speeds. Good value for the money on sale. These pack work perfectly fine in a carbon wifi z790, after run a BIOS upgrade.

Is 5200Mhz DDR5 good?

The DDR5's performance gain is mostly driven by greater memory bandwidth, as opposed to prior memory technologies, which were primarily driven by applications for mobile devices and data centers. As such, DDR5 provides more features for faster performance, less power usage, and better data integrity.

Why is DDR5 so fast?

Part of the reason the latency is so slow for DDR5 is because the memory controller is running at half speed (Gear 2), so data is only being transferred to the cores from the memory controller half the amount it would on DDR4 in Gear 1.

Why are DDR5 latencies so high?

The SQRAM DDR5 5600 series provides 5600MT/s of performance adopting 13th Gen Intel® Core™ processors. Furthermore, read/write speed has increased by 20% from 4800MT/s as tested by AIDA64 Memory Benchmark v6.

Is DDR5 5600 fast?

So for DDR5-5600 CL 28, the actual CAS Latency (CL) will be 5600 / 2 = 2800 MHz / 28 = 100 MHz or 10 nanoseconds. For DDR5-6000 CL30, the CL will be 6000 / 2 = 3000 MHz / 30 = 100 MHz or 10 nanoseconds. As far as the CAS Latency timing is concerned, the two are identical, both have 10 nanoseconds of latency.

What is the CAS latency of DDR5 5600?

Mixing memory in a computer build is never the appropriate thing to do unless you are strapped financially and cannot afford to purchase a new set of the same memory you already have installed. If your memory passes the test and stability checks then you will be fine running the memory at the lower latencies.

Is it OK to use RAM with different CAS latency?

DDR4 3200 CAS 14 has about the same latency as DDR4 3600 CAS 16. That's the other number to pay attention to. DDR4 3200 CAS 16 is still well within the range of 'fine' but it's slower. You'd have to pay attention to both numbers.

Is CAS latency 14 better than 16?

CL is CAS Latency, which is the number of memory clock cycles required for the RAM to start transmitting data to the CPU once the data has been located, therefore lower CL and higher memory clock speed is better (assuming all other things are equal, as CL is only one component of total RAM latency).

What does cl40 mean RAM?

4 sticks is a bad idea for performance unless you REALLY need the extra ram capacity. Even then, you will likely experience better performance from 2 dual rank sticks in slots A2 and B2 (2nd and 4th slots from CPU) versus 4 singe rank sticks and still have the same total capacity.

Is 4 sticks of DDR5 bad?

In summary: 16GB is no longer enough if you want the optimal gaming experience, particularly at the highest resolutions and settings. 32GB will quickly become the minimum memory specification you'll want to upgrade to in 2023 to protect you for the future of gaming and more serious pursuits.

Do you need 32GB of DDR5 RAM?

The DDR5 specification allows ram modules to have a default speed of up to DDR5-8800 without XMP. Of course no DDR5-8800 doesn't yet exist and processors don't yet support that fast, but it's possible.

What speed does DDR5 run without XMP?

If your CAS latency is higher than what is advertised (e.g. latency is advertised as 3000c15-18-18 but runs at 3000c16-18-18), this is because of a BIOS setting that helps with memory stability on Ryzen systems. You can disable this setting so that the memory runs at its rated speed.

Why is my CAS latency so high?

DDR3 RAM usually has a CAS latency of 9 or 10, while DDR4 will have a CAS latency of at least 15. However, because of its faster clock speeds, the newer standard has better performance overall.

What is the average RAM CAS latency?

Most RAM sold today is between 8 to 20ns true/total latency. Performance kits can go as low as 6ns. Worse kits go up to 55ns.

What is a good RAM latency?

However, the higher latency of Vulcan DDR5 5200MHz CL40 platform appears to put it at a disadvantage overall versus the DDR4 3600MHz CL18 platform. There is no way that we can recommend the Vulcan DDR5 5200MHz CL40 memory to a gamer especially at today's pricing.

Is 5200MHz CL40 bad?

In terms of DRAM frequency, the speed of DDR5 memory is a crucial factor that will have a significant impact. Our internal testing, including synthetic performance benchmarks and real-world applications, has shown that 13th Gen CPUs perform best when running DDR5 at speeds between 6,400MT/s and 7,200MT/s.

What DDR5 speed is best?

DDR5-4800 CL40 memory adds only ~3% more to the system latency than DDR4-3200 CL22, which is apparent in synthetic benchmarking but virtually unnoticeable in a majority of real-world use cases and games.

Is DDR5 4800 CL40 better than DDR4?

For CAS latency ratings, lower numbers are better. A DDR4-3200 CL20 module, for instance, has a CAS latency rating of 20. Most DDR5 modules have CL40 CAS latency, which negates DDR5's high clock speeds. It's faster at completing tasks, but it takes longer for the RAM to register it needs to perform a task.

Is 40 CAS latency good?

In a conclusion, there is not much difference for gaming to pay for something, which is faster than 3200 MHz. But the synthetic tests for computation work were better at 3600 MHz after tightening up timings, so it could be worth extra bucks.

How much better is 3600 than 3200?

The CL19 one is 2666Mhz, while the CL22 is 3200Mhz. So if the laptop that you're going to use it on can drive the memory at 3200Mhz, then the CL22 one with higher bandwidth would be the ideal choice.

Is CL19 faster than CL22?

Latency is measured in milliseconds, and indicates the quality of your connection within your network. Anything at 100ms or less is considered acceptable for gaming. However, 20-40ms is optimal.

Is 11 ms latency good?

In terms of CAS latency and speed, CL16 is a little better than CL18. But from the prices, the CL16 is more expensive than the CL18. So, if your budget is not too much, you can choose CL18 for your computer.

Is 16 or 18 CAS latency better?

CAS latency is measured in clock cycles, which are determined by the memory module's frequency. For example, if a memory module has a CAS latency of 16 at a frequency of 3200 MHz, it means that it takes 16 clock cycles to read data from the module.

What is CAS latency of 16?

The 4800MHz speed ensures lightning-fast data transfer rates, reducing latency and improving overall system responsiveness. This is particularly beneficial for memory-intensive applications, gaming, and heavy multitasking, where fast data access is crucial.

Is 4800MHz DDR5 good?

The Crucial RAM 16GB Kit, featuring two 8GB DDR5 modules with a blazing fast 4800MT/s speed and CL40 latency, is an absolute powerhouse upgrade for any desktop system. The performance boost from this memory kit is nothing short of impressive.

Is CL40 DDR5 good?

The latest game releases are already starting to recommend a minimum 16GB of RAM. So, if you use your PC for more than just gaming or want to future-proof for upcoming releases, 32GB could be the right option for you.

Is 32GB DDR5 good for gaming?

It's generally the most important part of the latency when looking at RAM. You want that number to be as low as possible. DDR4 3600 with a CAS latency of 18 isn't all that great. Typically, that would be 16 in any decent quality RAM, and DDR4 3600 C16 is good RAM.

Is CAS latency 18 bad?

CL: Short for CAS latency, refers to how long the computer needs to wait before it can actually start reading data from memory.

What is CL in ddr5 RAM?

1024 GB or 1 TB of RAM is definitely overkill for the vast majority of uses. There are certainly contexts where it's useful (large in-memory databases for example) but for most people it would just be a big waste of money.

Is 1000 GB RAM overkill?

When it comes to speed, you want to look for DDR4 RAM that runs around 3,600MHz/3,200MHz for modern CPUs. This should give your CPU enough bandwidth cushion to handle gaming and work-related tasks. The other important stat to consider is CAS latency.

Is 3600 Mhz RAM good for gaming?

For PC gaming, CL38 would be a good starting point to run games lag-free. Remember, the lower the value, the better, so going for DDR5 with a CAS latency as low as CL36 or CL34 is ideal, especially for games that are extremely sensitive to latency.

Is 32 CAS latency good for DDR5?

As for the 6400 CL32 kits vs. 6000 CL30/32, performance will be a little better on the 6400MT/s kits, though not a ton better. If they cost more than about $5 more than the 6000 rated kits, I'd just stick to the 6000 rated kits (CL30 vs. 32 should perform exactly the same).

Is 6000 CAS 30 better than 6400 CAS 32?

As for 32GB of RAM, it can be considered overkill for gaming alone. However, if you are also running other resource-intensive programs alongside your games, such as streaming or video editing software, having that much RAM can help ensure that your computer can handle the workload without slowing down.

Is 32 GB RAM overkill?

DDR5 offers improvements over DDR4 in terms of higher data transfer rates, increased bandwidth, and enhanced power efficiency. If you're building a high-performance system, especially for gaming or content creation, DDR5 could provide a noticeable boost in overall system responsiveness.

Is DDR5 worth it for gaming?

The only place to start is price. There isn't any real difference between the base DDR5-4800 kits you'll find and DDR5-5200.

Is DDR5 5200 better than 4800?

But is it worth the upgrade? The short answer is yes. DDR5 is objectively a level above DDR4 on every technical specification, and DDR5 is undoubtedly going to be the memory standard moving forward for all PC platforms, there is just no way around it.

Is DDR5 unnecessary?

Across the seven games on average, it can be seen that the weakest processor benefits the most from higher RAM clock speeds. Just switching from 4800MHz to 6000MHz increases the FPS by 11 percent on average, and optimizing the latencies from CL40 to CL30 results in a further performance gain of 9 to 12 percent.

Is 6000 MHz RAM good for gaming?

The performance difference between G. Skill DDR5-5600 MHz CL30 and 6000 MHz CL32 would be negligible. The difference in clock speed is only 400 MHz, and the difference in latency is only 2 cycles.

Is DDR5-6000 worth it over 5600?

AMD has acknowledged that “sweet spot,” saying that DDR5 RAM at 6,000MT/s offers the perfect balance of performance with Ryzen 7000 series desktop processors, which are also known as “Zen4” CPUs.

What is the sweet spot for DDR5 gaming?

DDR4 3600 CL14 - shortest latency is 7.77 ns. DDR5 5200 CL38 - shortest latency is 14.6 ns. DDR5 5600 CL28 - shortest latency is 10.

What is the lowest latency for DDR5?

Generally, lower CAS latency and higher frequency result in better performance, but these factors also tend to increase the cost of the memory module. If you're building a gaming or video editing PC and want to maximize performance, a memory module with a low CAS latency and high frequency may be a good choice.

What is better for CAS latency?

DDR4 3200 CAS 14 has about the same latency as DDR4 3600 CAS 16. That's the other number to pay attention to. DDR4 3200 CAS 16 is still well within the range of 'fine' but it's slower. You'd have to pay attention to both numbers.