Question: is gddr5 better than ddr4?
Answer: Although GDDR5 has the same prefetch buffer size as DDR4 of 8n, the newest GDDR5X standard surpasses that with a depth of 16n (16 data words per memory access). ... In addition, GDDR5 operates at a lower voltage than DDR4 at around ~1V, meaning less heat waste and higher performing modules.