Data discrepancy for retest of ASUS RT-AC68U

[netok]

https://www.smallnetbuilder.com/wireless/wireless-reviews/32325-ac1900-router-wireless-retest
On the first page, retest of AC68U is on par with R7000 and EA6900 in terms of 2.4GHz uplink and downlink throughput vs atten, peaked at 120Mbps. (First image(Right) for downlink)
On the second page, retest of AC68U is peaked at 180Mbps in both uplink and downlink.(Second image(Top))

 

[thiggins]

I may have mixed up some plots. But the AC68U and R7000 have been retested a few more times since then.

These are the current plots.