Guru3D.com
  • HOME
  • NEWS
    • Channels
    • Archive
  • DOWNLOADS
    • New Downloads
    • Categories
    • Archive
  • GAME REVIEWS
  • ARTICLES
    • Rig of the Month
    • Join ROTM
    • PC Buyers Guide
    • Guru3D VGA Charts
    • Editorials
    • Dated content
  • HARDWARE REVIEWS
    • Videocards
    • Processors
    • Audio
    • Motherboards
    • Memory and Flash
    • SSD Storage
    • Chassis
    • Media Players
    • Power Supply
    • Laptop and Mobile
    • Smartphone
    • Networking
    • Keyboard Mouse
    • Cooling
    • Search articles
    • Knowledgebase
    • More Categories
  • FORUMS
  • NEWSLETTER
  • CONTACT

New Reviews
be quiet Pure Loop 2 FX 280mm LCS review
HP FX900 1 TB NVMe Review
Scythe FUMA2 Rev.B CPU Cooler review
SK Hynix Platinum P41 2TB M.2 NVMe SSD Review
Corsair K70 RGB PRO Mini Wireless review
MSI MPG A1000G - 1000W PSU Review
Goodram IRDM PRO M.2 SSD 2 TB NVMe SSD Review
Samsung T7 Shield Portable 1TB USB SSD review
DeepCool LS720 (LCS) review
Fractal Design Pop Air RGB Black TG review

New Downloads
Display Driver Uninstaller Download version 18.0.5.4
FurMark Download v1.31
Intel HD graphics Driver Download Version: 31.0.101.3222
Intel ARC graphics Driver Download Version: 30.0.101.1743
AMD Radeon Software Adrenalin 22.7.1 driver download
GeForce 516.93 WHQL Studio driver download
Corsair Utility Engine Download (iCUE) Download v4.26.110
ReShade download v5.3.0
AIDA64 Download Version 6.75
7-Zip v22.01 Download


New Forum Topics
Nvidia reduces revenue prediction due to video card demand. In Win Chopin MAX 3.3-liter Mini-ITX case with 54mm CPU height Intel Core i9-13900K with and without power management settings Why does NVIDIA handle multitasking during compute better than AMD? EK Releases New Delta2 TEC for LGA 1700 and Intel 12th Gen Core CPUs Possible Ryzen 7000-series CPU Specifications and Pricing Leak; Ryzen 9 7950X to Reach 5.7 GHz RDNA2 RX6000 Series Owners Thread, Tests, Mods, BIOS & Tweaks ! NVIDIA GeForce Hotfix Driver Version 516.79 What reason to go to Windows 11? Enable Resize Bar by yourself in every game




Guru3D.com » Review » PC Gaming in UHD - Ultra High Definition - benchmarks review » Page 4

PC Gaming in UHD - Ultra High Definition - benchmarks review - Capturing Rendered Frames With A Framegrabber

by Hilbert Hagedoorn on: 09/19/2013 02:55 PM [ 5] 21 comment(s)

Tweet

FCAT Explained: Capturing Rendered Frames With A Framegrabber

Before we dive into the results I quickly wanted to show how FCAT works as the last part of this review will include FCAT results. The chapter title says it all really, grab content with a framegrabber and analyzing it is the way to go. You guys have all been capturing video at one point. Well the concept we apply today is as easy as that. In-between the graphics cards DVI output and the monitor we'll place a hardware based solution frame grabber. That is a PCIe card able to capture each frame coming from the DVI connector.

Not a cheap method, as to be able to capture 1920x1080 or 2560x1440 at say 60 FPS/Hz you'll need powerful hardware and the capture card we use is 1500 EUR alone. With the Ultra HD panel exsisting out of two seprate panels, we can tap one HDMI/DVI output and get our results from the left side of the screen. Let's visualize what we need to do:

 

So with an expensive frame grabber at hand we basically install another PC in-between the graphics card DVI output and the monitor like so:

Then at the DVI swith we split and clone the signal, one for the Framegrabber PC and one for our Monitor.

The DVI signal we just split now is routed towards the 2nd PC, this one has a framegrabber, a capture card.

Once we set this configuration up we can record the data coming from that gaming PC, then analyze and interpret it. The results are pretty interesting as you are about to find out. It's complex though, as recording at a resolution 2560x1440 @ 60 Hz would drive your storage system mad as you are looking at writing 400~500 MB each second of RAW data that is placed in an AVI file container.

Before we continue let me state this, it remains to be debatable what measurement method is the best, FCAT is merely different, yet we feel to be a better solution than FRAPS Frametime measurements. But if you'd stick to average framerates then that's still a 100% valid maybe even better way of measuring performance. So we are not disqualifying FRAPS whatsoever. The framegrabber method merely is interesting to see weird graphics card behavior like stuttering, visible anomalies that we try to poll and chart. Let's go to the next page where we'll talk a little more in detail and then startup some measurements. Keeping in the back of our minds, the simple fact, measuring game frame rate experience you see on your monitor the most reliable way.




13 pages « 3 4 5 6 next »



Related Articles
PC Gaming in UHD - Ultra High Definition - benchmarks review
We review the ASUS PQ321 monitor in Ultra High Definition PC Gaming, we'll start off with a quick overview of the 3840 x 2160 pixels monitor, then do some regular benchmarking at UHD and then some FCAT results. This article will not be deep in technology, just an easy read and overview of what the new revolution in PC gaming can be. PC Gaming in UHD - Ultra high definition with the ASUS PQ321.

© 2022