Ars had a pretty good one a couple of weeks ago:
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Review: Intel Lunar Lake CPUs combine good battery life and x86 compatibility
But it’s too bad that Intel had to turn to TSMC to make its chips competitive.arstechnica.com
It's not fast (slower than M3), but it's a good improvement in efficiency. I'm no fan of Apple's upgrade pricing, but if they get me to the point where I rage quit and buy a PC laptop, it'll be powered by AMD and running Linux.
Unfortunately there is no way to compare their battery test results to the wider set of results. Notebookcheck's battery tests, although not unproblematic, at least try to follow standard methodology.
There is also a large degree of discrepancy between these tests. In the Arstechnica review, the X1 Carbon Gen9 has very high battery runtime, but in notebookcheck reviews its battery is much lower than Gen11 for example. Really makes it different to compare. If we assume that the 155H UX3405M tests are consistent between the two reviews, than the new Lunar Lake model should score around 950 minutes on the WiFi test, which is again pretty much equivalent to the M3 Air. But I don't think that the results can be compared in this way. It is really unfortunate how poor the state of computer reviews is. Results are all over the place and there is no way for the consumer to make a proper data-driven decision.