They are the same in your case. SD defines the ram as synchronous dynamic, the most common version or DRAM and offen spoke as just RAM.
ddr ram is better and faster
DDR3 of course, but it's more expensive.
No, the slots for DDR2 RAM is different from the DDR RAM. You cannot use DDR RAM with DDR2 slot.
PC133 is an SDRAM standard. SDRAM is a type of RAM.
It is difficult unless the motherboard supports DDR slots.
sdram, ddr, cmos are the types of ram
The term DDR SDRAM refers to the phrase "double data rate synchronous dynamic random access memory". DDR SDRAM is simply a faster version of SDRAM in which data travels at a double rate. If your computer specs say that it uses DDR SDRAM it can take DDR SDRAM, but not SDRAM. DDR is 184 pins and has a notch in the bottom near the center and you will be unable to put DDR in an SDRAM mother board and also unable to put SDRAM in a DDR motherboard. Recently a new type of RAM has been introduced to market called DDR2. DDR2 is its own type and will not fit into a DDR motherboard. Hope this helps. Peace.
DDR SDRAM The Double Data Rate SDRAM is a RAM standard created by JEDEC. DDR SDRAM is the most common video RAM teshnology found on recent video cards. DDR SDRAM is designed to transfer data at speeds twice that of conventional SDRAM by transferring data on both the rising and falling parts of the processing clock cycle.
SGRAM
Ddr ddr2 sdram ddr3
depending on the laptop, it could be DDR, DDR2 or DDR3. But the form factor is all the same. Its all SO-DIMM memory
no,you need a new motherboard!
Occasionally on older motherboards, there are slots for SDRAM and DDR RAM but, they CANNOT be used at the same time, due to the different speeds they run at.
Motherboards of that era would have had a either a combination of the older SDR SDRAM (PC100 or PC133 RAM) and DDR SDRAM, or just DDR SDRAM.For best performance, you would want to use the DDR slots.