Should using VGA output be degrading performance and framerate?
I stoped playing my Xbox 360 on HDMI because I connected it with a PC monitor which doesn't have HDMI, it only has VGA. I already know that I will not have that image quality, but the problem I faced is different. The performance or the framerate was very very low in some highly detailed games like GTA V.
Is there a difference between HDMI and the original port of the Xbox 360 in regards to performance and framerate?
Best Answer
http://en.wikipedia.org/wiki/VGA_connector#Cable_quality
says
The same VGA cable can be used with a variety of supported VGA resolutions, ranging from 640×350px @70 Hz (24 MHz of signal bandwidth) to 1280×1024px (SXGA) @85 Hz (160 MHz) and up to 2048×1536px (QXGA) @85 Hz (388 MHz)
so your cable and monitor are likely to support high frame/refresh rates, at least 1080p@60
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Does VGA affect FPS?
Your monitor is fine. And VGA usually has a max Resolution of 2560 x 1600 so you'll be fine at 1920x1080. There will not be any lag, the only difference is that you may get interference on low quality VGA cables ( I haven't seen this in years though).Does VGA affect performance?
It affects the maximum visible FPS, but it doesn't actually affect FPS at all.Does VGA affect quality?
Signal quality considerations As such, the VGA signal will be the limiting factor of the final output signal. In other words, converting VGA to HDMI will not improve the signal quality of the original output. Similarly, Converting HDMI to VGA will possibly entail a small loss of signal quality.Does VGA to HDMI affect performance?
It doesn't hurt performance any. VGA has some major draw backs, but they are irrelevant since you're using a VGA only monitor. You don't need any extra bandwidth or anything. You shouldn't need supplemental power for the adapter.Frame Time vs Frame Rate - Lesson 1 - Unreal Engine Performance Profiling
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