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Guru3D.com » News » Microsoft: DirectX 12 to deliver 20 percent overall performance boost

Microsoft: DirectX 12 to deliver 20 percent overall performance boost

by Hilbert Hagedoorn on: 03/08/2015 09:58 AM | source: | 38 comment(s)
Microsoft: DirectX 12 to deliver 20 percent overall performance boost

Sounds like a nice cheap graphics card upgrade to me ! Microsoft developers stated the upcoming DirectX 12 API could deliver an up-to 20 percent higher frame rate in games and a decrease in CPU utilization.As a PC gamers we think you guys will upgrade Microsoft's Windows 10 operating system real fast :)

During an Intel press conference at GDC Wednesday night, Bryan Langley, a principal program manager for graphics with Microsoft, put it into context.

"This is like getting free hardware," Langley said. "So if you're a gamer, and you upgrade to Windows 10, and you have that Iris Pro, it's like getting that extra kick. It may make your game go from not quite playable, to playable, from mediocre to awesome, from awesome to just out of this world."

That's a powerful argument for any PC gamer to upgrade to Windows 10. So far, Microsoft has given no indication whether or not DirectX 12 will also be made available for Windows 7, but it's unlikely. And with Microsoft providing Windows 10 as a free upgrade to Windows 7 and Windows 8 for a year after its release, it's hard to argue against upgrading.

McMullen said that Microsoft believes that Windows 10's DirectX 12 will run on about 50 percent of all gaming PCs today, and that it will "have two-thirds hardware coverage" by this Christmas.

McMullen used the same Intel "Asteroids" benchmark in his presentation Wednesday, but demonstrated that the frame rate increased a more modest 20 percent. But the CPU consumption also fell from 25 percent to 9 percent as DirectX 12 asked the GPU to shoulder more of the workload. The demonstration ran on an Intel Core i7 4770R (with Iris Pro graphics 5200 installed), but McMullen didn't indicate whether Nvidia cards, for example, would see a greater improvement than hardware for AMD.

DX11 ran the demo with 29FPS

Switching to DX12 - the framerate more then doubles @ 75FPS. CPU usage was increased.

Via bindless mode, DX12 can pre-bake all the textures used by the asteroids, thus offering a slight performance boost (79FPS). In case you’re not aware of, DX12’s “bindless resources” is a major efficiency improvement in how the GPU is running, making sure it’s not stalling waiting for the CPU to tell it about some of the changes that are needed.

Via Execute Indirect, Intel’s Asteroids demo ran with almost 90FPS. What’s really great here, however, is that the CPU usage was reduced significantly, meaning that more CPU intense scenarios will be possible via this rendering method.

Internal Intel benchmarks obviously are not real world representation of performance improvements to all PC configurations. But yeah, this is looking really good. The overall message was a simple one, however: if you're a gamer, you'll want to upgrade to Windows 10 and DirectX 12.



Microsoft: DirectX 12 to deliver 20 percent overall performance boost Microsoft: DirectX 12 to deliver 20 percent overall performance boost Microsoft: DirectX 12 to deliver 20 percent overall performance boost Microsoft: DirectX 12 to deliver 20 percent overall performance boost




« Gigabyte X99 Champion Series Motherboards · Microsoft: DirectX 12 to deliver 20 percent overall performance boost · New Photos of GeForce GTX Titan X »

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LesserHellspawn
Senior Member



Posts: 676
Joined: 2010-03-27

#5025469 Posted on: 03/08/2015 10:03 AM
Games still have to support it, right ? I don't hold high hopes that old titles, MMOs particularly, will get an update.

FookDat
Senior Member



Posts: 469
Joined: 2005-11-27

#5025470 Posted on: 03/08/2015 10:05 AM
I can vouch a for a nice improvement with windows 10 build 9926 so far.

My max overclock on my R9 280x is 1216/1866.

Windows 7 x64
1210/1800
Score: 8698
Graphics: 10003
Physics: 11040
Combined: 3788

*********************

Windows 10 Pro x64 Build 9926
AMD 14.11.2 Beta
PhysX Drivers 9.14.0702
MSI Afterburner 4.1.0
GPUZ 0.8.1

MSI R9-280X
1216 @1300mV
1866 @1700mV
+20

3DMARK
Fire Strike
Score: 8700
GPU:10131
Physx:10006
Combined:3859

GPU Idle: 39c
GPU Load: 62c

VRM Idle: 25c
VRM Load: 41c

Warframe - Stable
Battlefield 4 - Stable

Temps reduced almost 10 degrees on my GPU, and score went up.

Romulus_ut3
Senior Member



Posts: 739
Joined: 2013-09-18

#5025480 Posted on: 03/08/2015 10:37 AM
Will the existing DX11 titles be made to support the DX12 path through an update? Will the developers put the extra effort? Otherwise, the performance gains aren't gonna bring us anything to the table as a lot of the games people play are DX11.

bombardier
Senior Member



Posts: 251
Joined: 2004-07-18

#5025483 Posted on: 03/08/2015 11:10 AM
Maybe we will have a new generation of drivers from Nvidia.

thatguy91
Senior Member



Posts: 6643
Joined: 2010-08-27

#5025484 Posted on: 03/08/2015 11:11 AM
I can vouch a for a nice improvement with windows 10 build 9926 so far.

My max overclock on my R9 280x is 1216/1866.

Windows 7 x64
1210/1800
Score: 8698
Graphics: 10003
Physics: 11040
Combined: 3788

*********************

Windows 10 Pro x64 Build 9926
AMD 14.11.2 Beta
PhysX Drivers 9.14.0702
MSI Afterburner 4.1.0
GPUZ 0.8.1

MSI R9-280X
1216 @1300mV
1866 @1700mV
+20

3DMARK
Fire Strike
Score: 8700
GPU:10131
Physx:10006
Combined:3859

GPU Idle: 39c
GPU Load: 62c

VRM Idle: 25c
VRM Load: 41c

Warframe - Stable
Battlefield 4 - Stable

Temps reduced almost 10 degrees on my GPU, and score went up.

That's got nothing to do with DirectX 12, that's just other improvements in Windows. Keep in mind though, the graphics score really only went up around 1 percent, so that is within error.

Keep in mind you are also running not the latest AMD driver, nor the latest Physx. The drop in the Physx score actually drags down the combined score.

When a proper Windows 10 driver is released, which will be much closer to the release date of Windows 10, the scores should be significantly better. There is little point them releasing a proper Windows 10 driver now, since the OS is still changing it would be wasted effort.

The drop in temperature is interesting though. It could be as simple as the ambient room temperature was lower, or the fans running at a higher speed in Windows 10.

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