this post was submitted on 15 May 2024
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I have a T580 and a T15g2 and the T580 is 100% a more rugged build--not even close.
The T15 is way lighter, so maybe that feels like stiffness?
G1s do not just "have brighter screens" than Gen 2. Those are spec-able options.
G1 had three screens, 250nit, 300nit, 500nit (4k only)
G2 had three screens, 300nit, 300nit, 600nit (4k only)
Both have the same 57wh battery. Not sure what you're talking about there.
You should contact Lenovo and let them know their spec sheets are wrong. Because they say exactly what I just said.
Not my problem if you have aftermarket modifications to them.
Might depend on who Lenovo used for the displays. Either the specs are different than listed or it was modded.
My own example is HP, I have 2 identical laptops (same model and seller). One has a 100% sRGB panel and the other has a 60% sRGB panel.
The 100% sRGB panel is LG and the 60% sRGB panel is Innolux.
Also maybe battery capacity over time? Istg batteries have way more degradation now than before.
Edited for clarity.
Edit 2: while some HP laptops might have had different color accuracy display options for the same model, this one is just straight 768p or 1080p and nothing else. The site says 45% NTSC but my own experience shows they had some good panels and it was just luck of the draw. Fwiw the PC is a HP pavilion x360 15-br095ms. It had an i5-7200u, Radeon 530 2GB DDR3, 8 gb of ddr4 and a 128 gb m.2 sata ssd. It's been motherboard swapped with an 8th gen i7 version, same gpu on the new board and has 24 gb of ram. I'm using a cs900 240 gb 2.5 in ssd for now. I plan on getting a better nvme drive for it eventually but I have none on hand that i could use.
Could be. I do have some significant Thinkpad experience (going back to the IBM days) and I do know that they will not alter the model number regardless of what's in the machine, but you can pull a build sheet from their website with the serial number. Do you know if your HPs could have had this happen? Was your distributor HP or elsewhere? (Not hating, just curious!)
Capacity loss over time is a decent idea. The 2nd Gen machine has an 11th Gen chip, vs 10th Gen in the Gen 1, and quiet possibly is able to burn more power quicker as well. Thinkpad power consumption is also definable in the BIOS or Vantage software for many of them, so those settings all could vary.
Normally I'd be happy to help troubleshoot this sort of thing but frankly I'm not sure OP was looking to chat.
The seller was some dude on Amazon, but both machines were new in box and were purchased in 2018 and 2019. The model is 15-br095ms for what it's worth. It's a Microsoft signature edition laptop so "less" bloat than other machines. Basically it didn't have McAfee or norton.
At least for that line of HP machines, you had a 768p panel and a 1080p panel. Both are 1080p.
Also the 11th gen i5 is weird. Idk if mine was a dud or they all ran like this but mine was super power hungry. 33wh capacity and I got like 3 hours of battery life. When the battery was new (40wh) it was like 4-5 hours if I babied it. When I swapped in a new Ryzen motherboard, it ran cooler and more efficiently. I get 4 hours of battery life if I do normal stuff and it can run fanless. And yes I've repasted it when it had an i5.
For context, that old pavilion 15br laptop I was talking about had a motherboard replacement and I put a 15-br158cl motherboard in it so an 8th gen i7 and a Radeon 530. Not a particularly efficient gpu and an old cpu. It gets the same battery life. It's got 2 drives, an older battery and it still beats the newer one. I could get that old i7 to sip power. I can't get the new one to do that.