The Wii U's processor clock speed is lower than that of the Xbox 360 and PS3, it has been revealed.

Tekken series producer Katsuhiro Harada said that the processor requires some "creative" solutions for Tekken Tag Tournament 2's Wii U version.

"I think maybe the game is coming along smoother than most people would think, as far as the look of the game," he told Digital Spy.

"As far as graphical processing and such, it's not much of an issue. But as far as the CPU goes, the clock is kinda low.

"I guess they're trying to keep power consumption down so we have to come up with creative ways to get around that and that's taking a little bit of time."

When asked whether it was lower than that of the Xbox 360 or PS3, he replied: "Maybe a little bit.

"For example on PS3 it was kind of difficult at first, but if you made good use of the different cores, you could split up the processing tasks and you could achieve very good effects. But this is kind of a different issue than that."

When discussing the progress of the Wii U version, Harada said it is "coming along quite rapidly" and isn't "far behind" the Xbox 360 or PS3 versions.

While a release date cannot be confirmed until a Wii U launch date is announced, Harada would like it out "as close as possible" to the other versions.

It was confirmed at this year's E3 that Snoop Dogg will feature in the game as a non-playable character, having contributed music to the game's soundtrack.

Tekken Tag Tournament 2 will be released for PlayStation 3 and Xbox 360 on September 14.

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