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I did miss your point, I misunderstood the hefty price tag was just for the memory. Thank you for not biting my head off! That is pretty mad. I'm struggling to
by nsteel 3y ago
I did miss your point, I misunderstood the hefty price tag was just for the memory. Thank you for not biting my head off! That is pretty mad. I'm struggling to think of any explanation other than yours. Even a few supporting upgrades maybe required for the extra memory (power supplies etc) wouldn't be anywhere near that cost.
I couldn't find much to actually see how many chips used but on https://www.techpowerup.com/review/sapphire-radeon-rx-7600-xt-pulse/4.html https://www.techpowerup.com/review/sapphire-radeon-rx-7600-x... it says H56G42AS8DX-014 which is a x32 (https://product.skhynix.com/products/dram/gddr/gddr6.go?appTypCd=APX06&treeNo=1052 https://product.skhynix.com/products/dram/gddr/gddr6.go?appT...). But either way it can't explain that pricing!
- Dylan16807 3y agoThe first two pictures on that page show 4 RAM chips on each side of the board. https://media-www.micron.com/-/media/client/global/documents/products/technical-note/dram/tn-ed-04_gddr6_design_guide.pdf https://media-www.micron.com/-/media/client/global/documents... This document directly talks about splitting a 32 data bit connection across two GDDR6 chips, on page 7. "Allows for a doubling of density. Two 8Gb devices appear to the controller as a single, logical 16Gb device with two 16-bite wide channels." Do that with 16Gb chips and you match the GPUs we're talking about.
- nsteel 3y agoOf course - clamshell mode! They don't connect half the data bus from each chip. Also explains how they fit it on the card so easily without (and cheeply).
- Dylan16807 3y agoYeah, though a way to connect fewer data pins to each chip doesn't particularly have to be clamshell, it just requires a little bit of flexibility in the design.