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Xbox One X’s 4K Resolution Has No Impact on CPU, GPU Allowed Increased LOD And More Objects – Dev

World of Tanks technical director offers his thoughts on the console's CPU.

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gamingbolt.com
4Sh0w3153d ago

Better Optimization is always welcomed:

“We’ve actually found the CPU and GPU improvements to complement each other quite well. Increasing the resolution from 1080p to 4K uses much of the additional power of the GPU but has basically no effect on the CPU. With those extra pixels available to display fine detail, though, we’ve chosen to extend our LOD ranges so that more objects render in the distance. That kind of change has CPU cost that is a good fit for the improved hardware there.”

3153d ago Replies(7)
Asuka3153d ago

well no duh. upping the resolution to 4k will put stress on the GPU not the CPU. If you wanted to tax the CPU try playing your games at lower resolutions such as 1080p or 720p. GPU spits out frames faster than the CPU can call for the next one xD.

Rude-ro3153d ago

So this for non taxing CPU games then right?
I mean, there are already confirmed dynamic resolution games, most of them are bigger AAA games... so what about those games? What stops the native 4k resolution?

Babadook73152d ago

Yup. I said this for years. Resolution is determined by gpu not CPU. That's why the new consoles feature impovents to resolution as the main focus. Frame rates are far less common as they require cpu also.

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AizenSosuke3153d ago

Good optimization = better games

_LarZen_3153d ago

Image how games could look on PC if developers optimized just as much as some devs do for console games. Instead it's just raw power and sloppy code in most cases.

B1uBurneR3153d ago

Buy but but my Gtx 1080ti eats blah blah blah ..closed system biatch

spreadlove3153d ago (Edited 3153d ago )

I wouldn't call that sloppy code. Would you like to optimize for the myriad of CPU types out there?

It is a matter of not practically possible. The price for freedom on PC for the hardware is lack of optimization.

Darkwatchman3153d ago

Developers simply can not optimize for PC on the same level that they can on consoles. Even if pc's were all that existed instead of consoles, the multitude of GPU and CPU configurations(including the same GPU but one has more or less ram which is not something to be taken lightly) would make it incredibly unviable to optimize for specific hardware configurations.

rainslacker3153d ago

On PC the dev doesn't write directly to the hardware. Even with the new low level API's in Vulkan or DX12 they still write to a software layer which then communicates what is needed to the hardware.

While it is possible to optimize this code, it isn't the same as optimizing the code to the hardware itself. Basically, there is only so much that can be done because the API that handles hardware calls at a software level can't be bypassed enough to really get to the meat of the optimization.

This is why PC's can sometimes seem less efficient. There is really no way around this on a system with an operating system which doesn't allow direct access to the hardware due to the need to keep everything stabe within the operating system itself.

Back before DirectX, writing directly to hardware, or writing specific drivers for the hardware on various systems wasn't uncommon. But it was just a mess in terms of compatibility, and took a lot of time which kept the optimization process to a minimum because the more optimization that was done, the fewer systems that could run the code itself.

3153d ago
_LarZen_3152d ago

Yeah sloppy was not the best word to use in this case. Unoptimized.

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cellfluid3153d ago

If thats the case then why do frames drop with higher resolution?? Lol

WilliamSheridan3153d ago

No disrespect, but this question answered itself. The answer is because GPUs have limits...

bluefox7553153d ago

The CPU in Xbox One X maxes out long before the GPU does, this is what's called a bottleneck. This absolutely impacts performance.

Christopher3152d ago

Memory is usually the issue of frame drops on the GPU, not the ability for the GPU to process it fast enough.

As far as CPU, there are physics processing that is increased in detail as resolution increases, otherwise you get blocky particle effects. Those would affect frame rate from the CPU if it isn't GPU bound.

Cobra9513152d ago

True, but the CPU still needs to figure into feeding the GPU the data. Even with direct system-memory access from the GPU, the CPU is going to have to do some significant work in setting up buffers, decompressing assets from the game image on the fly (no sizeable game's graphics fit in RAM all at once), and probably even some side stuff related to rendering. (Your mentioned particles, as a possible example.) Quadrupling that load will impact performance to some degree--has to.

Still, I do agree that increasing GPU performance and memory to match the increase in resolution will go a long way in handling the extra load transparently.

Einhander19713153d ago

Totally agree if PC games were optimised as much as consoles games, PC gamers would be happier but yes raw power sloppy coding.

OpenGL3153d ago

Not really true anymore with modern games. Forza 7's demo generally runs better on PC in DX12 than equivalent Xbox One X hardware.

Fishy Fingers3153d ago (Edited 3153d ago )

You know you s*** better than me, no denying that. But not sure I agree with you. It’s much better admittedly (than it was and improving). But when you consider what they can still squeeze out of the OG (and updated) consoles it be hard to see matching anything like that price/performance (optimisation) with your PC.

But me personally, I’m happy to pay a (pretty big) bit more too get a bit more.

zerocarnage3153d ago

Impossible, optimisation is always better. That's why these asset demanding games are running bad on even the highest quality pc's because they are free no optimisation and pc can utilise the power, that is not calling games running better, looking better yes..

ProjectVulcan3152d ago (Edited 3152d ago )

They won't believe you but you can genuinely get 4K 60FPS with ultra settings AND MSAA on a GTX1060 in the Forza 7 demo.

That's a midrange video card that is like 14 months old.

I said several months ago when Forza 7 tech was shown on X1X that this would be the case and nobody believed me. Well sorry, but I'm right again.....

NXFather3153d ago

Well, that is only because big companies are not primarily or even hardly putting the hollywood budgets on pc exclusives or even timed exclusives.

Cobra9513152d ago

In a perfect world, you would be correct. Console games can be optimized to the metal--directly to the fixed hardware spec. But are they? They used to be, when the hardware was more primitive. Now that consoles are basically PCs dedicated to closed-environment gaming, I doubt it. They run through an (optimized, but still present) abstraction layer, like DirectX or Vulkan. Economics have to figure into maintaining the code as portable as possible.

I'd be very curious to find out exactly how much more efficient the console HAL code is, compared to the more hardware-flexible equivalent on PC.

ziggurcat3153d ago

"Xbox One X’s 4K Resolution Has No Impact on CPU..."
- Captain Obvious

---

GPU handles resolution to begin with, so I don't see how the CPU would affect anything like this anyway.

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