Dual channel mode splits data processing between two graphics cards, improving performance and efficiency.
Dual channel mode splits data processing between two graphics cards, improving performance and efficiency.
The two RAM modules need to match in size. Regarding speed, if your laptop operates at 2133 MHz with a standard module, adding another module of higher speed but same size won’t exceed that limit. Your motherboard will cap it to the supported rate, and both modules can run in dual-channel mode together.
It supports dual-channel operation even with varying RAM amounts, but only doubles the size of the smaller module. Your laptop includes a 4GB soldered chip and an 8GB stick. It can run dual-channel up to 4+4GB combined and then uses single-channel for the remaining 4GB.
Great question! With two RAM sticks—one 4GB and another 8GB—both can likely operate in dual-channel mode depending on your system configuration.
I agree, but I suggest considering a compatible set if you can. My laptop already has 4GB built in, so I couldn’t afford anything else if I needed more than 8GB.
Ideally, you'd also like the same kind... SS or DS. (single-sided or double-sided... which isn't always the same as having RAM on both sides of the stick). Most 8 GB modules are now SS by default. 4 GB ones have always been the norm since no one designed chips smaller than 512 MB (four 512 MB chips equal four GB) and with 2 GB chips now available, it's more economical to use eight 1 GB units instead of sixteen 512 MB ones. Also, aim for compatibility... try to avoid mixing DDR3 and DDR3L because DDR3 requires at least 1.5 volts to operate, whereas DDR3L functions at 1.35 volts (most will work with 1.5 but may overheat, and some won't start at that voltage). You likely have DDR4 now.