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P50/P51/P52/P53 Buying Advice

P1/P40/P50/P70 Series
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Which P50 series laptop was the best in your opinion?

P50
0
No votes
P51
0
No votes
P52
2
67%
P53
1
33%
 
Total votes: 3

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Author
agarza
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Location: Guadalajara, Jalisco MEXICO

P50/P51/P52/P53 Buying Advice

#1 Post by agarza » Tue Jan 24, 2023 7:04 pm

I'm looking to buy a used P50 series laptop with 4K display.

I would like to get some feedback regarding which of the P50 series models in regards to overall less issues, from thermal throttling, keyboard quality (does they share the same keyboard and/or key travel?).

Regards
Current
T440p:
Core i7-4710MQ|16GB RAM|Intel 200GB SSD| 14.1" AUO IPS FHD|Win 7 Pro|T450 Trackpad|Backlit keyboard|2nd Caddy

T460p:
Core i5-6300HQ|16GB RAM|lPNY 256GB SSD| 14.1" Panasonic IPS WQHD|Win 7 Pro
Past: T420 HD+, X61s XGA, T61 14" SXGA+, T42p 14.1 SXGA+, T30, A22e

Ibthink
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Joined: Wed Apr 11, 2012 6:28 am
Location: Gelnhausen, Germany

Re: P50/P51/P52/P53 Buying Advice

#2 Post by Ibthink » Wed Jan 25, 2023 6:16 am

I owned both the P50 and P51. I do not recommend either of these with the 4K screen, the Sharp screen used in these has some issues with an uneven backlighting.

It is a shame, because the P50/P51 have excellent 2.1 mm travel keyboards. The ThinkPad P52, which is the model I would recommend, has a different shorter travel keyboard (1.5 mm). The P52 has better 4K screens, uses a metal bottom door (instead of plastic like P50/P51) and it still has an external, hot-swappable battery (unlike P53). The ThinkPad P52 is also available with substantially faster CPUs with up to six cores, P50/P51 were limited to 4 cores.

So: ThinkPad P52 is the sweet spot of the ThinkPad P5x series
IBM ThinkPad R50e | lenovo ThinkPad X301 | lenovo ThinkPad Z61t

agarza
ThinkPadder
ThinkPadder
Posts: 1538
Joined: Fri Aug 11, 2006 10:31 am
Location: Guadalajara, Jalisco MEXICO

Re: P50/P51/P52/P53 Buying Advice

#3 Post by agarza » Wed Jan 25, 2023 10:19 am

Thanks for your feedback Ibthink,
Is it possible to transplant a P52 4K screen into a P50/P51? Also, do you know if the P50/P51 uses the "regular" height Trackpoints?

Regards
Current
T440p:
Core i7-4710MQ|16GB RAM|Intel 200GB SSD| 14.1" AUO IPS FHD|Win 7 Pro|T450 Trackpad|Backlit keyboard|2nd Caddy

T460p:
Core i5-6300HQ|16GB RAM|lPNY 256GB SSD| 14.1" Panasonic IPS WQHD|Win 7 Pro
Past: T420 HD+, X61s XGA, T61 14" SXGA+, T42p 14.1 SXGA+, T30, A22e

Ibthink
Senior Member
Senior Member
Posts: 956
Joined: Wed Apr 11, 2012 6:28 am
Location: Gelnhausen, Germany

Re: P50/P51/P52/P53 Buying Advice

#4 Post by Ibthink » Wed Jan 25, 2023 10:24 am

No ThinkPad made after 2013 uses the old "regular" height TrackPoint. P50/P51 are close though, because they used the Low Profile TrackPoint, the first reduced height version. This is is still very close to the original one. P52 uses the Super Low Profile version where the TrackPoint stick has a different size.

Screen transplant: Might be difficult, because there is a soft whitelist in place. If you use a screen not originally used in those models, you may not be able to set the brightness below 100 %.
IBM ThinkPad R50e | lenovo ThinkPad X301 | lenovo ThinkPad Z61t

agarza
ThinkPadder
ThinkPadder
Posts: 1538
Joined: Fri Aug 11, 2006 10:31 am
Location: Guadalajara, Jalisco MEXICO

Re: P50/P51/P52/P53 Buying Advice

#5 Post by agarza » Wed Jan 25, 2023 11:39 am

Ah I see, so the P50/P51 uses the same Trackpoint height as on the T480. I'll see if a P52 comes up with 4K at a reasonable price. Is the key travel on the P53 reduced or is the same as in the P52?
Current
T440p:
Core i7-4710MQ|16GB RAM|Intel 200GB SSD| 14.1" AUO IPS FHD|Win 7 Pro|T450 Trackpad|Backlit keyboard|2nd Caddy

T460p:
Core i5-6300HQ|16GB RAM|lPNY 256GB SSD| 14.1" Panasonic IPS WQHD|Win 7 Pro
Past: T420 HD+, X61s XGA, T61 14" SXGA+, T42p 14.1 SXGA+, T30, A22e

Ibthink
Senior Member
Senior Member
Posts: 956
Joined: Wed Apr 11, 2012 6:28 am
Location: Gelnhausen, Germany

Re: P50/P51/P52/P53 Buying Advice

#6 Post by Ibthink » Wed Jan 25, 2023 12:30 pm

agarza wrote:
Wed Jan 25, 2023 11:39 am
Is the key travel on the P53 reduced or is the same as in the P52?
Same as P52. Lenovo kept the 1.8 mm travel keyboards until the P15 Gen 2, the 2021 model.
IBM ThinkPad R50e | lenovo ThinkPad X301 | lenovo ThinkPad Z61t

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