the T30 version will be fine. same one used in the prime I believe. the one in the 300 is the T30L. this nexus 7 will be able to be easily overclocked also once rooted. thats if it has higher clock speeds in stock kernel but disabled. like in prime when it got ICS. might even be able to use the same EzOverclock apk install like on Prime.
is this using ddr2 or ddr3 ram? infinity pad uses new ddr3 ram with larger bandwidth frequency. over a ghz. I believe. compared to prime ddr2 which was around 540MHz. 300 has ddr3 but only slightly faster than prime memory. its still around 560 MHz also. I guess this lil 7in. would be fine with ddr2.
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Prime/Tegra3 Gamers Thread