Game:

Fortnite (2017)

Duration: 7:00

256 views

3

Nvidia enabled Raytracing on Pascal GPUs a few months after the RTX Turing GPUs released, to show that Raytracing wasn't really possible without specific Ray Accelerators. The 1060 6GB was the lower bottom of the supported GPUs as Raytracing is especially VRAM intensive.

Here, using a 1060 3GB, we can try running Raytracing (Software Lumen) as it's integrated in the Unreal Engine 5, the engine Fortnite is using. To make sure we can get at least 30FPS there are some sacrifices to be made to remove as much burden on the VRAM part.

First, to use Raytracing you have to be on the DX12 mode, which of course runs worse on Pascal GPUs due to the architecture designed for DX11 (as well as Maxwell and Kepler). To reduce VRAM usage it is necessary to use TSR (Temporal Super Resolution) which is an Upscaling technique like FSR 2 and set it to Performance (50% Res Scaling). Although, we use a really low starting point for the Upscaler, the image quality results are surprising!

To improve performance even further (so that we can use Lumen), we have to drop every other setting to Low and especially for Textures as they are the most VRAM intensive setting. Finally setting RT reflections and GI to High instead of Ultra/Epic does provide another necessary performance boost!

Time Stamps
00:00 Settings Used (How to make Raytracing Playable)
00:20 Benchmark Dropping Down (A lot of stuttering)
00:43 Benchmark Ground (No stuttering Anymore)
01:59 Showing Raytraced Reflections (Software Lumen)
02:16 Benchmark Ground
06:00 Showing Raytraced Global Illumination Indoors (Software Lumen)

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Driver version used : 536.67
Windows 11 22H2

My PC Specs
CPU : AMD RYZEN 7 2700 Overclocked to 3.95 GHz at 1.275V
Cooler : Noctua NH-D15 Chromax Black
GPU : Gigabyte GTX 1060 WINDFORCE OC 3G / Custom Overclock 2012Mhz/0.981V Core & 4520Mhz Mem
PSU : CORSAIR HX750 80 PLUS Platinum
RAM : G.Skill Aegis 16GB DDR4 RAM (2x8GB) at 3200 MT/s
Motherboard : B450M Steel Legend
SSD 1 : Samsung 960 Evo 500GB Sata
SSD 2 : Kingston NV2 SSD 1TB M.2 NVMe PCI Express 4.0
Case : COOLER MASTER MASTERCASE H500 GUNMETAL ARGB
OS : Windows 11 Pro

#fortnite #raytracing #unrealengine5 #rtx #gtx1060