Monday, November 19, 2012

New Wii U teardown suggests Wii U has memory bandwidth of 12.8 GB/s


Wii U hynix memory


According to a second Wii U teardown conducted by Anand Lal Shimpi of AnandTech, the Wii U has a maximum memory bandwidth of 12.8 GB/s. Here's a breakdown of what Shimpi found.

Wii U RAM
-Four 4 Gb (512 MB) Hynix DDR3-1600 devices surrounding the MCM (multi-chip module)
-16-bit devices giving the Wii U a total of 12.8 GB/s of peak memory bandwidth
-Memory is shared between the CPU and GPU

Shimpi says that 12.8 GB/s is "the same amount of memory bandwidth on the Nexus 10 and iPad 3/4." He also comments that while it may not sound like a lot, the Wii U has "a good amount of eDRAM for both the CPU and GPU to use. For reference, he compared the figures to the Wii.

Wii RAM
-GDDR3 memory
-32-bit
-5.6 GB/s maximum memory bandwidth (excluding eDRAM)

If you would like to read Shimpi's analysis and see a number of close-up photos of the Wii U's internal components, you can do so via the link below.

Nintendo Wii U Teardown - AnandTech


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