Microsoft earlier confirmed that they were going to increase the clock speed of the Xbox One to 853mhz, and while this offers exactly 6% more performance from what it was earlier, there will be benefits to that, according to Microsoft’s Albert Penello.
He revealed that Microsoft had “set aggressive targets for reliability, performance, yields, and noise.”
Rock-solid reliability was also one of the main design goals behind the system.
“We set aggressive targets for reliability, performance, yields, and noise. Those things always have to be balanced. We want this box to have rock-solid reliability,” he wrote on GAF.
“We want it to be DEAD quiet (and let me tell you, X1 is quieter than the new Xbox 360 we just released). And we wanted killer game performance. But those targets are in conflict with each other.
The reason why they went ahead with the GPU clock increase was that they were actually able to exceed their goals on thermals and acoustics.
“What we’ve found through the development process is we were able to actually exceed our goals on the thermals and acoustics,” he added.
“This gave us headroom to increase the clock speed without any hit to noise, reliability, or heat, so we took the opportunity to bump the GPU. I get it’s only 6% or so, but that could translate to a few FPS in the real world.”
According to some math, this bumps up the Xbox One GPU performance to 1.31tf, but Penello wasn’t sure about this and he doesn’t want to say anything about it until he gets a satisfactory answer from the silicon team.
“I’m confirming with the silicon team how this impacts ESRAM and TFLOPS. I’m pretty sure but I don’t like to post without being 100% sure,” he wrote in another post.
Along with the clock speed increase, Microsoft have also created some new drivers called “mono” which essentially allows deeper coding to the metal and developers can extract more performance from the system.
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