Crucial RAM 16GB DDR5 4800MHz CL40 Laptop Memory CT16G48C40S5

Product Information

During our testing, the Crucial kit threw up a few surprises, sometimes matching a 5200MHz kit thanks to its dual rank design. Add to that its low operating voltage and surprisingly good value for money, and it's a good solid kit for work or play.

Unless you’re editing an entire movie or creating a game using Unreal Engine 5, you don’t need 32GB of memory. What about VRAM? DIMMs - Dual In-Line Memory Module, the physical circuit board that holds the RAM chips that plug into the slots on your motherboard.Going with 16GB is a pretty safe bet for most users. It’s cheaper than 32GB (obviously), it’s more than enough for most applications, and there are very few games that can use 16GB of RAM, let alone require that much.

It's the kind of kit that will have a long life, too. In a few years from now, 64GB will still be more than useful, especially if you're talking about a high-end gaming PC. DDR4 memory modules sport a single 64-bit channel (72-bit if you take ECC into account). In contrast, DDR5 memory modules come equipped with two independent 32-bit channels (40-bit with ECC). JEDEC also doubled the burst length from eight bytes (BL8) to 16 bytes (BL16). The upgrades, as mentioned earlier, improve efficiency and reduce data access latency. On a dual-DIMM setup, this transformation essentially turns DDR5 into a 4 x 32-bit configuration rather than the conventional 2 x 64-bit configuration on DDR4.

Testing DDR5 vs. DDR4: Down and Dirty With the Performance Differences

In conclusion, if you own or want to invest in a high-performance platform, DDR5 is the better choice. Especially now that Crucial DDR5 is more affordable than at launch.

The Crucial DDR5-4800 2x 32GB kit is as generic as it gets, but if you need a lot of RAM for whatever task you want to throw at it, it's a great choice. 64GB of system memory is going to see you right for many years going forward, and despite what you might feel about that 4800MHz speed looking a little lowly for modern DDR5, those Micron ICs do some serious heavy lifting in there. DDR5 memory is the new generation of RAM. Super-fast and able to handle huge project files DDR5 will make a massive difference to gamers, designs and PC enthusiasts. Is DDR5 better than DDR4? The PMIC takes the 5V input from the motherboard and converts it to usable voltages for the voltage rails, comprising of the VDD (1.1V), VDDQ (1.1), and VPP (1.8V). The PMIC helps improve voltage regulation and signal integrity and reduce noise. However, the change is a double-edged sword. The voltage regulator on the DDR5 memory module helps reduce motherboard cost and design complexity but ultimately transfers the cost over to the memory modules. It also makes DDR5 dependent on the supply of PMIC chips, and the ongoing PMIC shortage is the primary reason why DDR5 is in short supply. In our overall performance measurement, DDR5-4800 C40 was 19% and 14% faster than DDR4-2133 C15 and DDR4-3200 C22, respectively. However, the performance delta decreased when we compared it to performance DDR4. DDR5-4800 C40 was only 9% faster than DDR4-3200 C15. When we went up to DDR4-4000 C16, DDR5-4800 C40's advantage dropped to 5%. Since the JEDEC DDR4-3200 standard is a BIOS option for the DDR4-supporting Z690 Extreme WiFi 6E, we selected it to form our performance baseline in the tests that follow. Apart from that, a custom-configured DDR4-3200 14-16-16-30 setting fills the gap between it and Mushkin’s DDR4-3600 CAS 16 XMP setting. Bandwidth and Latency TestsThe answer depends on what speeds and latencies we're talking about. Games tend to be sensitive to latency, where lower is better. A good low-latency DDR4 kit is still a viable gaming option. However, the real-world performance differences are small and non-existent in GPU-limited scenarios, which is usually the case unless you're chasing very high frames per second. From the introduction of DDR memory all the way to the launch of DDR5, standard JEDEC memory’s true memory latency has stayed consistent in the range of 13 to 16 ns. Standard JEDEC memory’s system latency has stayed consistent in the range of 90 to 100 ns. Gaming with only 8GB of RAM in your system can be a dicey proposition. Yes, there are many games — including modern titles — that run perfectly fine with 8GB of memory. But if you want to play something demanding like The Division 2, which requires 11.3GB of RAM, 8GB simply won’t cut it. You’re better off streaming games from services like GeForce Now or Xbox Game Pass on PC if you only have 8GB of RAM. How much RAM most people need: 16GB The UL Procyon benchmark, which runs a consistent, repeatable workload on a licensed install of Adobe Premiere Pro, shows that more bandwidth can help matters, with DDR5-4800 taking the win there. The results of this test still indicate some gains for reduced latency when moving from CAS 22 to CAS 14 at DDR4-3200, however. Take advantage of the amazing range of RAM available at Ebuyer and upgrade your PC today. Remember we offer next day delivery and a range of flexible finance options. Read more

Firstly, you should use a dual-channel kit wherever possible. That goes for both DDR4 and DDR5 systems. That will ensure you're getting the most out of the best CPUs for gaming. For an Intel DDR5 system, a good kit around the 5200MHz range will be fine, while for a high-end system, you'll want something a little faster at 6000MHz or even 6400MHz if you really want to get every last drop of performance. Do I need RGB LEDs on my memory DIMMs? AMD's Zen 4-based AM5 motherboards only support DDR5, while Intel's platforms do still offer DDR4 versions of their motherboards. Will DDR5 work on a DDR4 motherboard?

DDR5 is the absolute king for performance in new games like Wonderlands. I’m excited to see what advantages DDR5 offers other new games.” On-die ECC (ODECC) is another one of the critical features of the DDR5 specification, but it shouldn't be confused with standard ECC. Manufacturers turn to smaller nodes to increase the density of the memory chips, and on-die ECC's job is to correct potential errors inside those chips to improve reliability. Unfortunately, the protection is limited to the memory arrays inside the chips — the data is on its own once it moves outside the DIMM. On-die ECC doesn't offer any protection for data in transit, which is why on-die ECC isn't a proper ECC implementation. If you buy 12900k and RTX 3090 and other halo/premium stuff then you don't care about price at all, so of course you buy DDR5, preferably 6000 or higher, because 4800 is really bad, actually. But those people are in the minority 5%, everyone else can skip it with ease and peace of mind, because it's not worth it.