GAME · FORTNITE · CHECKED ON DRIVER 621.14
NVIDIA Profile Inspector for Fortnite: what actually helps
Most "FPS boost" NPI tweaks for Fortnite are unproven, and we have no NVIDIA GPU to measure them, so we do not claim a gain. Epic recommends the in-game Reflex setting for latency, and NVIDIA already ships a 14-setting Fortnite profile. The driver changes that make sense are a frame cap a few FPS below your refresh rate with G-SYNC and V-Sync. Fortnite uses Easy Anti-Cheat, which has made no public statement about driver profiles.
The short answer
This guide has no benchmark chart, because this site is built without an NVIDIA GPU and a chart of invented frame rates would mislead you. What we can give you is NVIDIA’s own data, Epic’s guidance and the mechanics of each setting. OFFICIAL · Epic, NVIDIA
- Turn on Reflex in Fortnite’s own settings first. Epic’s competitive guidance recommends it.
- NVIDIA already ships a Fortnite profile with 14 settings, so you start from a tuned base. LAB · driver 621.14 package
- The only driver-side change we recommend is a frame cap a few FPS under your refresh rate, with V-Sync and G-SYNC set as in the G-SYNC recipe.
What the “potato graphics” configs claim
We did not download or test the most-shared config, and we never link to or host these files. Descriptions of such configs say they combine four kinds of change. Here is each one, what it does in NPI and what we can say about it.
| Kind of change | What it does | Our verdict |
|---|---|---|
| Texture LOD bias | Shifts how sharp or blurry textures are. A negative value sharpens, a positive one blurs. | Visible to opponents, can count as a visual advantage, and is not measured by us. Never save it to Global. |
| Low latency or pre-rendered frames | Limits how many frames the CPU queues for the GPU. | Reflex in the game does this job for Fortnite, so the driver value adds little. |
| Power management mode | Keeps the GPU at a higher clock state. | Can reduce clock dips, costs power. Not measured by us. |
| Shader cache, threaded optimisation, texture filtering | Driver quality and compile behaviour. | Defaults are tuned by NVIDIA. No source shows a Fortnite gain. |
Input lag: which settings matter
Fortnite supports NVIDIA Reflex, a game-level setting that the engine controls. In games with Reflex, the driver Low Latency setting overlaps with it, so use the in-game option and leave the driver value alone. We did not test whether the driver setting is ignored when Reflex is on.
A frame cap below the refresh rate keeps a G-SYNC display inside its variable range, so V-Sync does not add its wait. Our frame cap calculator gives a number for your monitor, and a 144 Hz monitor gets 141. COMMUNITY · Blur Busters
Our recipe
The file below sets three things for Fortnite only. It does not touch the Global profile.
| Setting | Value | Why |
|---|---|---|
| Frame Rate Limiter V3 | 141 FPS | 3 below a 144 Hz refresh rate. Change it for your monitor. |
| Vertical Sync | Force on | G-SYNC needs V-Sync on in the driver and off in the game. |
| GSYNC - Global Mode | Fullscreen only | Use windowed mode only if you play windowed. |
<ArrayOfProfile>
<Profile>
<ProfileName>Fortnite</ProfileName>
<Executeables>
<string>fortniteclient-win64-shipping.exe</string>
</Executeables>
<Settings>
<ProfileSetting>
<SettingNameInfo>Frame Rate Limiter V3</SettingNameInfo>
<SettingID>277041154</SettingID> 0x10835002 Frame Rate Limiter V3
<SettingValue>141</SettingValue>
<ValueType>Dword</ValueType>
</ProfileSetting>
<ProfileSetting>
<SettingNameInfo>Vertical Sync</SettingNameInfo>
<SettingID>11041231</SettingID> 0x00A879CF Vertical Sync
<SettingValue>1199655232</SettingValue>
<ValueType>Dword</ValueType>
</ProfileSetting>
<ProfileSetting>
<SettingNameInfo>GSYNC - Global Mode</SettingNameInfo>
<SettingID>278196727</SettingID> 0x1094F1F7 GSYNC - Global Mode
<SettingValue>1</SettingValue>
<ValueType>Dword</ValueType>
</ProfileSetting>
</Settings>
</Profile>
</ArrayOfProfile>
We validated the file’s structure against the NIP format, and we did not load it into NPI with a running Fortnite. Check the values in NPI after you import it.
Set your own cap
The file assumes 144 Hz. Use the calculator and edit the cap in NPI after importing.
Import with Merge
Choose Merge so NVIDIA’s own Fortnite settings stay. NIP files explains Merge and Replace.
Attach the right exe
The profile uses
FortniteClient-Win64-Shipping.exe, the game process. Do not attachEpicGamesLauncher.exeorFortniteLauncher.exe, because the settings would not reach the game.
DLSS in Fortnite: why your override may switch back
Issue 394 in NPI’s repository reports that Fortnite sets its own DLSS state and the override reverts. COMMUNITY · issue 394 We could not reproduce it, so this is reported and not tested. For the override and how to check it, see the DLSS override guide.
Performance mode and DirectX 12
Fortnite offers a DX12 renderer and a DX11 Performance mode. Which driver settings apply differs by API, and some are DX11 only. We did not compare the two, and say so instead of guessing.
Easy Anti-Cheat and NPI
Undo everything
Select the Fortnite profile in NPI and use the delete or restore option, then check the profile again. Undo a change shows each way. Your backup export brings the profile back as it was.
Questions people ask
Is NVIDIA Profile Inspector bannable in Fortnite?
Epic has published no statement about driver profiles and Easy Anti-Cheat. A profile change is not a game file, but nobody can promise a tool is safe. The one documented NPI ban case, from Crytek, concerned visibility advantages, so avoid LOD bias and similar settings.
Does the potato graphics config increase FPS?
We could not measure it. The configs are said to force lower texture detail, which would be visible to opponents and affects every game if saved to the Global profile. Fortnite's own Performance mode is the supported route.
What is the best NPI setting for Fortnite input delay?
Use Reflex in the game's own menu first. Epic's guidance names Reflex On plus Boost. A frame cap below the refresh rate with G-SYNC keeps the display in its variable range.
Why does Fortnite ignore my DLSS preset?
Community reports on issue 394 say the game reverts the override. We could not reproduce it without a GPU, so treat it as reported only.
Should I use Low Latency Ultra or Reflex in Fortnite?
Use Reflex. The driver Low Latency setting duplicates what Reflex does in games that support it, and Epic recommends the in-game option.
Sources
- Epic Games store.epicgames.com · accessed 8 Nov 2026 · official
- NVIDIA driver 621.14 predefined profile database nvidia.com · accessed 8 Nov 2026 · official
- Crytek huntshowdown.com · accessed 8 Nov 2026 · official
- NPI issue 394 github.com · accessed 8 Nov 2026 · community
- Blur Busters blurbusters.com · accessed 8 Nov 2026 · community