DDR3 vs DDR4: Differences, Advantages, Which One To Choose?

I install the ddr4 ram it had before and it powers on, fans start, ok lights up, monitor turns on but has no visual and turns down

DDR4 DDR4 3200 DDR4 2933 DDR4 2667 DDR4 2666 DDR4 2400 DDR4 2133 DDR3 DDR3 2133 slot line_back ALL FILTERS SATA 6Gbs RESET 10 x SATA 6Gb

ddr4 and ddr5 same slot I install the ddr4 ram it had before and it powers on, fans start, ok lights up, monitor turns on but has no visual and turns down

ddr4 in ddr5 slot does ddr3 ram work in ddr4 slot,The day started with an intense match between Team A and Team B Both teams displayed exceptional skills and