Key difference between DDR4 and DDR3 RAM

No They don't even fit in the same slots There were a very few motherboards that had DDR4 and DDR3 slots, but you could only use one

MAINBOARD GIGABYTE B760M D3HP DDR4 • Socket LGA1700 for Intel 14th, 13th & 12th Gen Processors • Intel B760 • DDR4

canadian slot machines In short, no Definitely not, unless you have a very odd motherboard DDr3 RAM is different from DDr4 RAM and isn't compatible with a DDr4

candy glyph slot So, you can't mix and match SDRAM, DDR, DDR2, DDR3, DDR4, or DDR5 memory on the same motherboard, as they won't function They may not even fit in the same