The slight differences in color gamut could be down to somewhat normal variation. However, that difference in response time is wild.
About 9 months ago, when I bought my current laptop (X1C6 with the WQHD "HDR" display), I thought the slow response time complaint was just that, a complaint.
Nope. It's still annoying to lose my cursor because it's blurred out. I'm back to Win98 tactics now. Increased cursor size and slight trail (really helped with the DSTN displays). The trail disappeared in the latest windows update, but there are now more cursor settings (size, color, adaptive color, etc). It's pathetic. I've also been further spoiled by a recent acquisition of a large Gsync display. It's not hype. I don't know why I held out for so long. It also makes the compromises of my laptop even worse.
AFAIK, those AMD Ryzen Thinkpads (current gen) have Freesync, too, right? A first for a laptop, I think. iGPU with Adaptive Sync.