I got the latest software and did a re-test on my M3 iMac:
Version 17.2 (19617.1.17.11.9)
I've also got an iPhone 15 Pro Max (on iOS 17.2):
I guess there could be some difference in thermal throttling? It doesn't seem to be a test with any pauses in it, so perhaps the active cooling on...
That's a very good question - it seems to track CPU + GPU + Neural Engine power pretty closely but will occasionally spike up for very short periods of time.
The biggest spike I saw was up to 31.8W - I'm not sure what this is measuring or it's just double counting somehow:
*** Sampled system...
I wonder if idle power draw also makes the x86 ST efficiency look far worse compared to the MT results (looking at Andrei's Zen 3 review the 5950x has an idle power draw of almost 20W).
I'm curious how the scaling would look if you compared total Core power vs Package power like in this graph...
I did one more test with my M1 Mac Mini using 4 Cinebench threads to try to isolate the performance cores.
R23 MT (4 threads): 5618 score at 12.7w (duration 142 seconds). P-cores: 12.7w, E-cores: 0.08w
Total power usage: 1803.4J
I think that means the E-cores are contributing about 25% of the...
Here's what I found on my M1 for multithread - my score is a little lower than Andrei found.
7519 CB MT score at 13.2w average (duration 113 seconds). P-cores: 12w, E-cores: 1.2w
Total power usage: 1491.6J
This is using "CPU Power" rather than "Package Power", logging data with powermetrics...
I'll see if I can do some MT testing too. I wonder if Ryzen has some fixed overheads (RAM?) that are much lower on the M1, making the Ryzen ST look worse.
I was actually trying to do this on my M1 Mac Mini. I got similar results to Andrei (about 3.8w package power average over the run) and the performance was about the same as the i7 1165G7 for ST. I think that gives an ST efficiency score of 800+ if I calculated it correctly.
I'm guessing it's an improvement in efficiency - the A15 is running at slightly higher clockspeeds than the A14 (in iPhones at least) while getting much better battery life.
They did increase the size of the batteries in the new iPhones too but the iPhone 13 Mini gets more battery life than the...
Visual studio is actually available for Mac (although it's a bit limited compared to the Windows version). It looks like an Apple Silicon version is in the works. I doubt many C# developers are using Macs though - probably just for Azure cloud stuff or cross-platform games.
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