Cell told Gohan that he only need increase his speed, not power, to dominate him. The entire fight displayed this clearly. So it's totally implied that Cell used the same power on Gohan as he did on Goku but only need a slight speed increase to tag Gohan. How big of a difference is it between Cell & Goku? Well it's certainly enough to cover the gap between Goku & Gohan and then some, so it's implied even further that Cell was, in all likely-hood, fighting with 20-25% greater power then Goku. However just because Cell is obviously faster then Goku, doesn't mean there has to be a specific [large] gap between the two. Remember, DBZ is absolutely, never, ever linear when it comes to things like this. It doesn't even get the strands of hair in SSJin2 correct and you expect Akira Toriyama to mathematically [regarding power] portray a fight between two specific characters to a degree in which reflects the gap between them? Anyways, I'll post evidence of what I'm trying to say:
For a better example of what I'm trying to say, look unto the Ginyu vs Goku fight, or other areas.
. Burta [#FR1#BUT]
Chapter: 273 (DBZ 79), P5.1
Context: Vegeta tried to throw a dragonball so far away that the Ginyu Special-Squad wouldn’t be able to find it, but Burta caught it.
Ginyu: “Ahhh, I get it… Throw them so far that we won’t be able to get them, eh? Too bad Burta here is the fastest in the universe!â€
Burtur > Ginyu in regards to speed, but it doesn't necessarily mean Burtur is greater then Ginyu in power just because he is faster.
Chapter: 287 (DBZ 93), P2.2
Context: after Ginyu steals Goku’s body
Ginyu: “Fuhahahaha…! This body’s even faster!â€
Ginyu further confirms Goku's body is faster then his own, despite being 33% greater in power then Goku.
Further confirmation that power level does not necessarily dictate speed.
If you need more I will use Herms.
Chapter: 387 (DBZ 193), P3.5.
Piccolo: “Absolutely incredible power! It’s even greater than Cell’s…! Un-unbelievable…!“
Trunk's power surpasses Cells, but it doesn't mean he's faster. This logic obviously works vice versa.
Chapter: 387 (DBZ 193), P1.3, P2.1-3
Trunks: “What you’re about to see now…is my true power!!!â€
Cell: “I see…It truly is magnificent power…You easily surpass me…But you can’t win against me like that…Absolutely not…â€
387 (DBZ 193), P14.1-4
Context: Trunks can't hit Cell in his Grade III form
Trunks: “Im-impossible…! This is impossible…! Why can’t I hit him…?!â€
Cell: “You’re such a greenhorn…So you didn’t even realize this would happen?...You said you’d show me your true power, but to think that you’d just use a transformation that relies even more on power…This sort of transformation is simple enough…â€
Chapter: 388 (DBZ 194), P1.3
Cell: “Nothing can come from this sort of transformation that only powers you up…You’re an idiot…â€
This Cell vs Goku fight doesn't reflect a power gap at all, and this is where people get confused. Cell can be faster then Goku (to a degree, obviously excluding IT), but it doesn't mean he is more powerful. He is, however he suppressing his full potential during this speed, speed included. However on an equal playing-field he is faster then Goku during this period.
Summarily, it doesn't really discredit the Daiz numbers by any means or reflect any sort of power gap. Cell obviously hints that he increased his speed under the knowledge Goku can move at instantaneous speeds.
For a better example of what I'm trying to say, look unto the Ginyu vs Goku fight, or other areas.
. Burta [#FR1#BUT]
Chapter: 273 (DBZ 79), P5.1
Context: Vegeta tried to throw a dragonball so far away that the Ginyu Special-Squad wouldn’t be able to find it, but Burta caught it.
Ginyu: “Ahhh, I get it… Throw them so far that we won’t be able to get them, eh? Too bad Burta here is the fastest in the universe!â€
Burtur > Ginyu in regards to speed, but it doesn't necessarily mean Burtur is greater then Ginyu in power just because he is faster.
Chapter: 287 (DBZ 93), P2.2
Context: after Ginyu steals Goku’s body
Ginyu: “Fuhahahaha…! This body’s even faster!â€
Ginyu further confirms Goku's body is faster then his own, despite being 33% greater in power then Goku.
Further confirmation that power level does not necessarily dictate speed.
If you need more I will use Herms.
Chapter: 387 (DBZ 193), P3.5.
Piccolo: “Absolutely incredible power! It’s even greater than Cell’s…! Un-unbelievable…!“
Trunk's power surpasses Cells, but it doesn't mean he's faster. This logic obviously works vice versa.
Chapter: 387 (DBZ 193), P1.3, P2.1-3
Trunks: “What you’re about to see now…is my true power!!!â€
Cell: “I see…It truly is magnificent power…You easily surpass me…But you can’t win against me like that…Absolutely not…â€
387 (DBZ 193), P14.1-4
Context: Trunks can't hit Cell in his Grade III form
Trunks: “Im-impossible…! This is impossible…! Why can’t I hit him…?!â€
Cell: “You’re such a greenhorn…So you didn’t even realize this would happen?...You said you’d show me your true power, but to think that you’d just use a transformation that relies even more on power…This sort of transformation is simple enough…â€
Chapter: 388 (DBZ 194), P1.3
Cell: “Nothing can come from this sort of transformation that only powers you up…You’re an idiot…â€
This Cell vs Goku fight doesn't reflect a power gap at all, and this is where people get confused. Cell can be faster then Goku (to a degree, obviously excluding IT), but it doesn't mean he is more powerful. He is, however he suppressing his full potential during this speed, speed included. However on an equal playing-field he is faster then Goku during this period.
Summarily, it doesn't really discredit the Daiz numbers by any means or reflect any sort of power gap. Cell obviously hints that he increased his speed under the knowledge Goku can move at instantaneous speeds.