Sure. I tried copying the settings from this video:
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Ran Doom with the out of box settings 120hz like they did. Couldn't find the location they used but in similar areas it was boosting to similar clocks to the Nitro just slightly above but around 37-40c. I also tried some heavy fights and it was getting to low/mid 40s.
Then I removed the 120hz cap and let it run at 200fps and set 1630mhz no undervolt, 1100 HBM. That ran generally mid 40s and at worst low to mid 50s.
As for clock speeds my card has never been the best clocker. The best I got before was to hold 1550mhz in games at 1080p but it would still drop to 1450 or even less at times like at 1440p or higher or during Firestrike. Now it can hold about 1630mhz in Firestrike
I will try for higher using the settings suggested here at some point.
Beat my Firestrike score by about 900points anyway. Timespy up about 500.
I also found the HBM overclocks better though I haven't tested much yet, just did a quick go 10mhz above the point it would crash before and it made it through the test.
These tests are also with the thermal paste that came with the cooler and with the 2 120mm fans fitted and set to full speed. Putting them full speed actually knocked off a whole 10c to the results. At slow speed I saw it peaked at high 60s in Doom after playing for a while (with no undervolt, oc and no frame cap).
So verdict thus far. I'm impressed. Seems better then any of the aftermarket cooled Vegas but obviously it's 50quid and it wouldn't be as good as watercooling but still very effective.
Anyway my thermal throttling woes are over