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Dynamically-Limited V-Sync for AMD Graphics Cards

 

Purportedly, the freeware tool RadeonPro can help to get rid of micro-stuttering.

First, we have to make a profile for the game in question. It's a good idea, we've discovered, to first come up with an average frame rate using a tool like Fraps. If the average is higher than your screen's refresh rate, then that refresh rate is a good limit for the dynamic v-sync. Otherwise, the average frame rate itself is a good number to use.

radeon-hd-7990-radeon-hd-7970-x2-geforce-gtx-690,V-A-357526-22.pngloupe.gifZoom

The GeForce GTX 690's frame rate was about 10 FPS lower at our highest tested resolution and detail settings than HIS' 7970 X2. So, we ran our benchmark twice: once with the dynamic v-sync limit set to the HIS card's 50 FPS average, and once set to the EVGA card's 40 FPS average.

Dynamic V-Sync Limit: 50 FPS

 

Frame%20Rate%20Crossfire%2004%20DVC%2050%20fps.png

Detail%20Frame%20Rate%20Crossfire%2004%20DVC%2050%20fps.png

Dynamic V-Sync Limit: 40 FPS

 

Frame%20Rate%20Crossfire%2005%20DVC%2040%20fps.png

Detail%20Frame%20Rate%20Crossfire%2005%20DVC%2040%20fps.png

This was a Boutique Builder iBuypower rig. Until I got the tinker bug again i7 920 @3.6Mhz 12Gig Corsair XMS3 ram 1600 Nvidia 760 SLi w/4Gig DDR5 Ram Intel 310 SSD HDD 160 Gb + Western Digital 4Terabyte HDD Creative SB X-Fi HD Audio Logitech X-530 5.1 Surround Speaker System Dual Acer 32"Monitors. PSU 1200 w Thermaltake Win10 64Bit.

Posted

About this, it's useful if game itself does not have any way of limiting FPS, but DCS World does, so you don't really need to use RadeonPro to do this when you play DCS World. You can just set your desired FPS limit in DCS World/Config/Graphics.cfg file and have same end result.

PC specs:

Windows 11 Home | Asus TUF Gaming B850-Plus WiFi | AMD Ryzen 7 9800X3D + LC 360 AIO | MSI RTX 5090 LC 360 AIO | 55" Samsung Odyssey Gen 2 | 64GB PC5-48000 DDR5 | 1TB M2 SSD for OS | 2TB M2 SSD for DCS | NZXT C1000 Gold ATX 3.1 1000W | TM Cougar Throttle, Floor Mounted MongoosT-50 Grip on TM Cougar board, MFG Crosswind, Track IR

Posted

Kuk. It's not "Just" a Frame Rate Limiter, it does more than that.

This was a Boutique Builder iBuypower rig. Until I got the tinker bug again i7 920 @3.6Mhz 12Gig Corsair XMS3 ram 1600 Nvidia 760 SLi w/4Gig DDR5 Ram Intel 310 SSD HDD 160 Gb + Western Digital 4Terabyte HDD Creative SB X-Fi HD Audio Logitech X-530 5.1 Surround Speaker System Dual Acer 32"Monitors. PSU 1200 w Thermaltake Win10 64Bit.

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