Checking bandwidth boundness on Mali-T720

I'm trying to infer if our application is bandwidth-bound (I believe it's not the case) but I don't have the read/write beat counters suggested in Tutorial. Although, I believe the ones I have already "resolve" the beats to the actual bytes value ($MaliL2CacheExtReadsExternalReadBytes and $MaliL2CacheExtWritesExternalWriteBytes).

We seem to be using ~740MB/s of bandwidth but I'm not sure which number to benchmark this against. Presumably the 5GB/s mentioned in the above tutorial (which seems to apply to this GPU) but I was wondering if you could shed some light on this.

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