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Posted by firsthuman
 - July 29, 2018, 17:33:30
I can not confirm the cpu test results.
I checked my x380 Yoga i5-8250U (20LH000RMS) with Cinebench R15.0 and it scored always around 300 points or less (with a package temperature mostly around only 59 °C). The Thinkpad was on AC and with newest drivers and BIOS (R0SET32W 1.16).
In HWiNFO64 PL1 Power Limit is only 7W, way below the TDP of 15W (PL2 is 17W).
I tried to enable 15W for PL1 with Intel XTU and with ThrottleStop. However, it was impossible to change it. Also, no differences in Cinebench or HwiNFO.
Posted by Dekurt
 - July 23, 2018, 05:32:18
@Martin Guy:

X1 and P series have TB3 with PCIe x4, the rest of the Thinkpads have x2. Look up Thunderbolt controllers and you'll be able to readily identify for most laptops.
Posted by Martin Guy
 - July 22, 2018, 19:30:50
Hey, just wondering, is the TB3 port in this laptop 4 lane or just 2x? It's really hard to find clear info on this anywhere...
Posted by Redaktion
 - July 22, 2018, 03:41:08
Bikram Yoga. The ThinkPad X380 Yoga steps back into the limelight, this time with a less powerful processor. Despite the reduction in clock speed, the i5 variant still sweats under pressure. This and other small shortcomings make for a good package with some small flaws.

https://www.notebookcheck.net/Lenovo-ThinkPad-X380-Yoga-i5-8250U-FHD-Convertible-Review.316442.0.html