RTX Mega Geometry On vs Off - Visual & Performance Comparison @Compusemble

Uploaded October 2025 | Updated September 2026, 2 weeks ago

The Bonsai Diorama Demo features RTX Mega Geometry and RTX Dynamic Illumination for full path-traced nanite meshes in real time. It runs on the NvRTX branch of UE5. The demo is running in 4K with DLSS quality, RTX mega geometry, and ray reconstruction. Frame gen is OFF.

Demo link: developer.nvidia.com/game-engines/unreal-engine/rtx-technology-showcase

00:00 - Intro
00:10 - RTX Mega Geometry on vs off
02:16 - 4K/DLSS Quality/RTX Mega Geometry
03:40 - Outro

Desktop:

➤ MSI GeForce RTX 5090 VANGUARD SOC Launch Edition
➤ Ryzen 7 9800X3D
➤ 64 GB (2x32) G.SKILL Flare X5 DDR5 @ 6200MHz CL30
➤ ASUS ROG STRIX B650E-F GAMING WiFi
➤ Crucial T700 SSD Gen5
➤ Sabrent Rocket 4 Plus-G SSD Gen4
➤ ADATA XPG SX8200 Pro SSD Gen3
➤ MSI MAG A1250GL PCIE5 ATX3.1 1250W (Native 12v-2x6)
➤ ARCTIC Liquid Freezer III 360
➤ Phanteks Eclipse P500A DRGB
➤ Windows 11

Recording:

➤ Atomos Ninja Monitor-Recorder
➤ Samsung 870 EVO SATA SSD 2TB

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RTX Mega Geometry On vs Off - Visual & Performance Comparison

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$DirectStorage Sample Measures Performance Impact Of Rendering & Streaming Assets At The Same Time This DirectStorage sample was developed by AMD. The DirectStorage sample application renders a scene while asynchronously loading assets. A camera moves through a scene into bounding boxes which trigger asynchronous streaming of the assets. The assets appear once they have completed loading. Read more about it here: https://gpuopen.com/our-brand-new-directstorage-sample-is-available-now/ If you would like to try it yourself, I have built and uploaded the sample. It can be found here: https://drive.google.com/file/d/1kyX0FxUQvS5h1ctJHjFFlZkhQWVOxmfJ/view?usp=sharing To run the sample with custom parameters, unzip the sample, go to the bin folder, open a command prompt in this folder, and set your desired parameters. For example, the tests in this video were run with: DS On, GPU decomp, 256 MB staging buffer .DirectStorageSample_DX12.exe {directstorage:true,profile:true,profileOutputPath:DS_GPU.csv,stagingbuffersize:268435456,iotiming:true} DS On, CPU decomp, 256 MB staging buffer: .DirectStorageSample_DX12.exe {directstorage:true,profile:true,profileOutputPath:DS_CPU.csv,stagingbuffersize:268435456,iotiming:true,disablegpudecompression:true} DS Off, 256 MB staging buffer .DirectStorageSample_DX12.exe {directstorage:false,profile:true,profileOutputPath:DS_Off.csv,stagingbuffersize:268435456,iotiming:true} The csv file from each run will have several data points, including mean frame time before loading and mean frame time during loading. Based on this, you can get an idea of the performance impact from streaming in assets while rendering. 00:00 - Intro 00:04 - Sample Info 00:19 - DirectStorage Off 00:57 - DirectStorage w/ CPU Decompression 01:35 - DirectStorage w/ GPU Decompression 02:15 - Bandwidth Results 02:25 - Load Time Results 02:40 - Performance Results 02:55 - Outro System specs: ➤ MSI GeForce RTX 4090 SUPRIM X ➤ Ryzen 7 7700X ➤ 32 GB Corsair Vengeance DDR5 ➤ ASUS ROG STRIX B650E-F GAMING WiFi ➤ Crucial T700 SSD Gen5 ➤ Sabrent Rocket 4 Plus-G SSD Gen4 ➤ ADATA XPG SX8200 Pro SSD Gen3 ➤ Seasonic Focus GX-1000 ➤ Arctic Freezer 34 CO ➤ Phanteks Eclipse P500A DRGB ➤ Windows 11 ABOUT COMPUSEMBLE Compusemble exists to help you build the best tech system for your needs. We do this through a variety of ways: Browse, Compare and Buy computer parts and system builds. To search through our collection of handpicked products and our build guides, visit: ➤ Computer parts: https://compusemble.com/products ➤ System builds: https://compusemble.com/builds CONNECT ➤ Like and share our videos. ➤ Subscribe to our YouTube channel and hit the Bell icon to get notifications for new videos. ➤ Follow us on Twitter: https://twitter.com/compusemble #DirectStorage #benchmark #pc$

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