Per Gibbo at Overclockers UK:
But we just tested a 1700, it hit 4.0GHz stable in everything, but ONLY in the Crosshair mainboard, the lower-end boards it was hovering around 3.80GHz as the VRM's were cooking with extra voltage. It however was maxing around 4050MHz, so I'd say 1700 can do 3.9-4.1GHz, of course the 1800X will probably do 4.1-4.3 as no doubt better binned, but if your clocking the motherboard has a big impact on the overclock and so far Asus Crosshair and Asrock Taichi seem the best two.https://forums.overclockers.co.uk/th...#post-30533567240mm AIO cooler, made by Asetek with two fans on it. This was a retail 1700, not engineering sample! A bad 1700 might only do 3.8-3.9 and a good one might do 4.0-4.1, but only in top-end boards like Crosshair and Taichi.
Memory wise we had best success with Crosshair which just about does 3000MHz, no other board has achieved over 2666 stable yet.
Though 8 Pack is yet to play, this is just our quick testing, 8 Pack shall start playing in coming weeks.
Looks like both my suspicions are coming true:
1) Their binning process is voltage leakage based (you'll need a bit of juice to drive the 1700 up)
2) Ryzen is already binned to squeeze out a lot of the clocks, not too much overclocking headroom above 4 GHz
On the brightside, this means motherboards matter again lol.
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