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SK Hynix shows off HBM 2 wafer at NVIDIA's GTC 2015 event

SK Hynix shows off the next generation of GPU memory, HBM 2, at NVIDIA's GTC 2015 event
By: Anthony Garreffa | Video Cards News | Posted: Mar 19, 2015 8:56 pm

GTC 2015 - We didn't expect to see HBM 2 shown off in person here at NVIDIA's GPU Technology Conference, but here we are - SK Hynix has a HBM 2 wafer on the show floor, and it's beautiful.

 

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Here it is, in all of it's glory.

 

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A closer shot of the wafer itself.

 

SK Hynix's HBM memory promises increased bandwidth, as well as lower power consumption compared to conventional DRAM found on current cards, such as GDDR5.

 

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We haven't even got HBM1 out yet, but HBM2 is promising so much more. HBM1 will have 128GB/sec per 1Gbit chip, while HBM2 will offer double that, with 256GB/sec with 2Gbit chips. We are also going to see lower power consumption, with 1.2V for HBM1 and HBM2, compared to GDDR5 which uses 1.35 to 1.5V.

 

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Here you can see just how small these HBM1 chips are compared to a GDDR5 chip.

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