alboon2000 Posted July 18, 2023 Posted July 18, 2023 (edited) Hi, I have a 10900KF and RTX3090, with a HP Reverb. I thought about upgrading to a 4090 but I'm not sure if my CPU is enough. I checked the built in FPS counter of DCS and I constently see "CPU bound" (yellow, sometimes red). But in MSI Afterburner I see GPU used at 100%, and CPU at 20-30%. How come ? Thank you ! Edited July 18, 2023 by alboon2000
silverdevil Posted July 18, 2023 Posted July 18, 2023 13 minutes ago, alboon2000 said: Hi, I have a 10900KF and RTX3090, with a HP Reverb. I thought about upgrading to a 4090 but I'm not sure if my CPU is enough. I checked the built in FPS counter of DCS and I constently see "CPU bound" (yellow, sometimes red). But in MSI Afterburner I see GPU used at 100%, and CPU at 20-30%. How come ? Thank you ! hello. have a look at this post and see if @Supmua explanation helps. AKA_SilverDevil Join AKA Wardogs Email Address My YouTube “The MIGS came up, the MIGS were aggressive, we tangled, they lost.” - Robin Olds - An American fighter pilot. He was a triple ace. The only man to ever record a confirmed kill while in glide mode.
Hiob Posted July 18, 2023 Posted July 18, 2023 24 minutes ago, alboon2000 said: Hi, I have a 10900KF and RTX3090, with a HP Reverb. I thought about upgrading to a 4090 but I'm not sure if my CPU is enough. I checked the built in FPS counter of DCS and I constently see "CPU bound" (yellow, sometimes red). But in MSI Afterburner I see GPU used at 100%, and CPU at 20-30%. How come ? Thank you ! The CPU load doesn't reflect the actual load correctly due to the discrepancy of core-count and cores in use. Basically if you use only one core of a 4 core cpu, the load is 100% from the pov of the application (when it can only use one), but 25% from the pov of Afterburner. In VR you are more likely to be CPU bound for your fps/frametimes. However the bottleneck can shift back and forth depending on the current scene. At least you will/would be able to ramp up the visual fidelity without loosing fps with a 4090. 2 "Muß ich denn jedes Mal, wenn ich sauge oder saugblase den Schlauchstecker in die Schlauchnut schieben?"
silverdevil Posted July 18, 2023 Posted July 18, 2023 9 minutes ago, alboon2000 said: What post ? oops lol 2 AKA_SilverDevil Join AKA Wardogs Email Address My YouTube “The MIGS came up, the MIGS were aggressive, we tangled, they lost.” - Robin Olds - An American fighter pilot. He was a triple ace. The only man to ever record a confirmed kill while in glide mode.
alboon2000 Posted July 19, 2023 Author Posted July 19, 2023 Thank you all. What software would you recommand to monitor FPS data ? I tried the nVidia built in counter but can't display it inside my Reverb, and FPSVR doesn't launch, but I think it's because I don't use SteamVR anymore now.
Hiob Posted July 19, 2023 Posted July 19, 2023 (edited) 56 minutes ago, alboon2000 said: Thank you all. What software would you recommand to monitor FPS data ? I tried the nVidia built in counter but can't display it inside my Reverb, and FPSVR doesn't launch, but I think it's because I don't use SteamVR anymore now. MSI Afterburner + Riva Statistics (the latter comes with the former) ups, sorry - I was too fast. You mean for VR, not pancake. In that case FPSVR is the only option I know, sorry. Edited July 19, 2023 by Hiob "Muß ich denn jedes Mal, wenn ich sauge oder saugblase den Schlauchstecker in die Schlauchnut schieben?"
alboon2000 Posted July 21, 2023 Author Posted July 21, 2023 I used OpenXR toolkit companion and saw that usually I had about 11ms CPU frame render time, and +/- 30ms for GPU. I suppose it's worth keeping the same CPU then.
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