Maximizing Performance: Moonlight Tizen on S95C OLED (AV1, 120 FPS and statistics)
6This video is our continued testing of the high-performance capabilities of Moonlight Tizen game streaming on the Samsung S95C OLED TV, one of the top displays in its generation. It builds upon our previous testing, which can be found here https://www.youtube.com/watch?v=GBOoyw8euaw
Our testing focuses on frame rates of 60fps and above, using AV1 encoding at 124 Mbps. The monitor connected to the PC is set to a refresh rate of 165 Hz, and the control setting is a 120 Hz direct connection to the TV via HDMI. We’ve tested Moonlight frame rates at 120fps, 90fps, and 60fps.
Our results so far indicate that achieving 144fps on this TV results in significant lag. However, the UFO test confirms successful rendering at refresh rates matching the monitor’s capability (120 Hz in this case). We’ve observed color differences between direct HDMI and streamed content, and we’ve used the TV’s built-in game mode control panel for measuring direct HDMI frame rates.
Overall, we find that 90fps streaming is a good compromise, allowing some buffer for video and audio bitrate adjustments. Our testing is ongoing, and future updates will provide more details and potentially address the 144fps limitations.
**Software Enhancements:** Recent updates to Moonlight Tizen enable AV1 encoding and additional customizations to improve rendering for frame rates exceeding 60 FPS, along with the addition of valuable video statistics for in-depth analysis.
**Testing Methodology:**
* **Web:** UFO test https://testufo.com/framerates#count=3&background=stars&pps=3840
* **Game:** Talos Principle 2 (chosen for its benchmark's fast tilts and pans)
* **Encoding:** AV1 @ 124 Mbps
* **Monitor Refresh Rate:** 165 Hz
* **Control Setting:** 120 Hz direct HDMI connection to TV
* **Tested Moonlight Frame Rates:** 120 FPS, 90 FPS, 60 FPS
**Results and Observations:**
* **144 FPS:** While technically possible with software modifications, significant lag hinders gameplay on the current TV hardware. Future iterations of the S95 or better series might offer better support.
* **UFO Test:** Successful rendering at refresh rates matching monitor capability (120 Hz) confirms proper frame delivery.
* **Color Accuracy:** Color variations exist between direct HDMI and streamed content due to differing color profiles.
* **Frame Rate Measurement:** The TV's built-in game mode control panel provided direct HDMI frame rate readings.
**The 90 FPS Sweet Spot:**
Considering the trade-off between frame rate and video/audio bitrate flexibility, we are likely going to use AV1 at 90 FPS for gaming purposes.
**Detailed Specifications:**
Host specifications:
GPU: NVIDIA GeForce RTX 4080
GPU Memory: 16GB
+80 core clock offset
+1000 memory clock offset
NVIDIA Driver Version: 552.12
Resizable bar: yes
Driver Maximum FPS: 144
Power Management Mode: High Performance
Shader Cache Size: 100 GB
CPU: AMD Ryzen 9 5900X 12-Core
System Memory: 32GB
OS: Windows 11 Pro 10.0.22621 Build 22621
Hardware-accelerated GPU scheduling: yes
Sunshine Version: 0.23.0 - Added optional frame rates 75, 90, 100, 120, 144
Talos Principle 2 settings:
Low settings to get the maximum possible FPS
DLSS Enabled: Yes
DLSS Quality: Performance
Client specifications:
Moonlight Tizen (customized with 90, 120fps enabled and smoother rendering for greater than 60 fps settings)
Resolution and FPS: Varied (see notes)
Video Bitrate: Varied (see notes)
Video Decoder: Hardware (Default)
Video Codec: AV1
HDR: Enabled (Experimental)
Frame Pacing: Disabled
Audio Syncing: Disabled
Connectivity:
Wireless: Wi-Fi 6 - 5 GHz: 4804 Mbps (802.11ax, HE160)
Wired: 10-meter HDMI 2.1 fiber optic cable (non fiber optic HDMI 2.1 cable resulted in glitches and interruptions)
Camera:
Sony RX100 VI (1080p at 120fps)
Video presentation:
Upper left: Wired 4K 120fps raw
Upper right: Streaming 4K 120fps 124Mbps
Lower left: Streaming 4K 90fps 124Mbps
Lower right: Streaming 4K 60fps 124Mbps
**Thank You & Stay Tuned!**
We appreciate your interest! If you enjoyed this content, please consider liking and subscribing for future updates, including potential solutions to the 144 FPS limitations.
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