Last Update: October 18th, 2021
The DDR5 RAM is expected to be launched in the second half of 2021. Looking for release date and pre-order info about DDR5 RAM, stay tuned for more info.
| Feature | DDR4 | DDR5 | DDR5 Advantage |
|---|---|---|---|
| Data rates | 3200Mhz | 4800-6400mhz | Increased performance and bandwidth |
| VDD/VDDQ/VPP | 1.2 | 1.1 | Lower power |
| Device densities | 16GB Max | 64GB | Larger monolithic devices |
| Prefetch | 8n | 16n | Keeps the internal core clock low |
| CRC | Write | Read/Write | Strengthens system RAS by protecting read data |
| Burst length | BL8 | BL16, BL32 | Allows 64B cache line fetch w/only 1 DIMM subchannel. |