Quality of phono pre-amp on McIntosh MX 135


I read somewhere that the phono pre-amp on the C52 is exactly the same as their stand alone MP100 phono pre-amp. I am using a MM cartridge on my TT and am using the built in phono stage on the MX 135.  Would I benefit from a separate phono stage like the MP100?
ymc226
I had a c52 Mac preamp.
Tbh I was NOT impressed with the phono stage in it at all.
Very mellow and not dynamic.
I got much better results using a fairly cheap Dynavector p75 mk3 so Pretty sure most half decent phono stages would better it.
YMMV
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If the two are the same how could an external version of the identical component sound better that does not make much sense.