← Back to context Comment by zozbot234 8 hours ago $15/GB is retail price for DIMM sticks. Is HBM4 really that cheap? 2 comments zozbot234 Reply selectodude 8 hours ago HBM is just DRAM stacked directly next to the die. The expensive part is gluing it on there. The chips themselves are pretty much the same. akelly 7 hours ago HBM uses about twice as much DRAM silicon per GB due to all the space for interconnect
selectodude 8 hours ago HBM is just DRAM stacked directly next to the die. The expensive part is gluing it on there. The chips themselves are pretty much the same. akelly 7 hours ago HBM uses about twice as much DRAM silicon per GB due to all the space for interconnect
akelly 7 hours ago HBM uses about twice as much DRAM silicon per GB due to all the space for interconnect
HBM is just DRAM stacked directly next to the die. The expensive part is gluing it on there. The chips themselves are pretty much the same.
HBM uses about twice as much DRAM silicon per GB due to all the space for interconnect