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Short answer: use the game’s own upscaler first. DLSS is usually the best starting point when an older title natively supports it and you have a compatible GeForce RTX card. In-game FSR is the most broadly usable option across GPU brands. XeSS is worth testing when the game specifically supports it, but its speed can vary substantially between Intel Arc and non-Intel GPUs. If the game has no integrated upscaler, AMD Radeon Super Resolution (RSR) is the clearest official driver fallback; NVIDIA App DLSS overrides work only for selected titles. Your GPU brand alone cannot add a missing DLSS, FSR, or XeSS menu.
DLSS, FSR, XeSS, and RSR at a glance
Upscaling renders a game internally below the monitor’s output resolution, then reconstructs an image for display. At 1440p output, for example, a Quality mode may render internally below 2560×1440 and upscale the result. The exact internal resolution and reconstruction behavior depend on the game and the selected mode.
| Technology | Where it runs | What must be present | Best use in an older game | Main limitation |
|---|---|---|---|---|
| DLSS | GeForce RTX hardware | Game integration or a supported NVIDIA override; it uses RTX Tensor Cores | Native DLSS support on an RTX card | An RTX card by itself does not create a DLSS option; coverage of overrides is title-specific |
| FidelityFX Super Resolution (FSR) | Broad GPU coverage when integrated by the game | Developer integration for the in-game feature | The game’s own FSR implementation, especially on mixed-brand systems | Quality and performance depend on the particular integration |
| Radeon Super Resolution (RSR) | Supported Radeon systems through AMD Software | Driver support and exclusive full-screen operation; no game integration required | Older games with no native FSR or other upscaler | A driver-level image cannot use the game’s motion data and may look worse than integrated FSR |
| XeSS | Games that implement XeSS; performance varies by GPU path | Developer integration and a title listed or documented as supported | A supported game where XeSS delivers acceptable frame pacing on your GPU | It is not a general driver switch, and non-Intel performance may differ from Intel Arc |
Official guidance does not establish a universal FPS or image-quality winner across older games. Treat each result as game-, resolution-, settings-, driver-, and hardware-dependent.
Why an older game may not show any upscaler
DLSS, integrated FSR, and XeSS are not simply texture filters that a graphics driver can add to every executable. The game must expose the relevant rendering hooks, provide motion and depth information where required, and present a menu or configuration path. An older title can therefore run on a modern GPU without offering any modern reconstruction method.
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NVIDIA’s driver guidance says games without NVAPI support do not show DLSS options in-game. In practical terms, owning a GeForce RTX card is necessary for DLSS but not sufficient: the title needs an integration path, a supported override, or a community modification. AMD makes the same distinction between its technologies: “FidelityFX Super Resolution requires game integration, whereas Radeon Super Resolution is a driver-based solution included in AMD Software.”
XeSS normally follows the integration model. Intel maintains a supported-games list and advises that, if a game is not listed, you should consult the game’s official information or its developer. A title’s age, rendering API, launcher, anti-cheat system, and patch history can all affect whether an injected solution works reliably.
What each option requires
DLSS: the RTX-specific native path
DLSS is NVIDIA’s AI upscaling system designed to run on GeForce RTX Tensor Cores. In an older game, check the graphics or display menu for DLSS and confirm that the game exposes a mode such as Quality, Balanced, or Performance at your chosen output resolution. Use the same mode and output resolution when comparing it with another method.
If DLSS is absent, check whether the title is one of the games covered by a current NVIDIA App override. An override is not equivalent to native support: coverage is selected by title, behavior can change after a patch or driver update, and the game may still lack the data an integrated implementation uses. A community DLL swap or injector is another possible route, but it is title-specific and can conflict with launchers, anti-cheat, or future patches.
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FSR: broad hardware coverage when integrated
FidelityFX Super Resolution is the cross-vendor option most likely to appear in an older game’s own menu when the developer added it. AMD’s current technology description includes spatial, temporal, and machine-learning-based FSR families, along with native anti-aliasing and frame-generation features. Those labels do not mean every game implements every family; use the exact modes the title exposes.
Choose in-game FSR before attempting a driver substitute. The developer can tune sharpening, motion handling, reactive masks, and other details for that title. A game-specific implementation can therefore look cleaner or behave more predictably than a generic driver scaler even when both are set to a similar internal resolution.
RSR: AMD’s driver fallback for games without FSR
Radeon Super Resolution is separate from FidelityFX Super Resolution. RSR is supplied through AMD Software and works at the driver level, so the game does not need an FSR integration. It is intended for supported Radeon hardware and normally requires exclusive full-screen mode so the driver can detect a lower render resolution and upscale it to the display resolution.
Set a resolution below your monitor’s native output in the game’s display settings, enable RSR in the relevant AMD Software gaming profile, and then verify that the game is actually running in exclusive full-screen. Borderless-window behavior, integer-scaling options, sharpening filters, and the game’s own anti-aliasing can change the result. AMD recommends the integrated FSR path when available; layering RSR on top of a game that is already using FSR can degrade image quality.
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XeSS: useful, but dependent on title and GPU path
Intel describes XeSS as AI-based upscaling and maintains a list of supported games. When XeSS appears in a title, test it rather than assuming its result from another game. Intel Arc hardware may have a different performance profile from a Radeon or GeForce card running the same XeSS option, so average FPS alone is not enough; inspect frame pacing and input response.
Intel’s developer guidance says a title should disable competing upscalers such as DLSS and FSR, as well as temporal anti-aliasing, when XeSS is enabled to reduce incompatibility issues. As a player, select one reconstruction method at a time and leave extra temporal or sharpening layers at their documented defaults until you have a stable baseline.
A decision tree for an older PC game
- Look in the game’s own graphics menu. If DLSS is listed and the system has a compatible RTX GPU, start there. If FSR is listed, start with in-game FSR because it is usually the most hardware-flexible native choice. If XeSS is listed, test it on your specific GPU.
- Match the output resolution. Select the same monitor output resolution and graphics settings for every comparison. Changing resolution or shadows while changing the upscaler invalidates the result.
- If no native option exists, identify the platform. On a supported Radeon system, test RSR in exclusive full-screen. On an NVIDIA system, check whether the NVIDIA App offers a DLSS override for that specific title.
- Use a mod only as a last resort. Confirm that the mod targets your exact game build and rendering API, back up configuration files, and check the game’s anti-cheat and launcher rules. A vendor-supported feature is not a guarantee for a community injector.
- Keep one upscaler active. Do not run FSR and RSR together, and do not combine an injected DLSS or XeSS layer with another reconstruction pass unless the game’s documentation explicitly requires it.
How to configure each scenario
When the game has native DLSS
- Update the graphics driver and restart the game so the title can rebuild its shader cache if necessary.
- Open the game’s graphics or display settings and choose DLSS as the upscaling method.
- Begin with Quality at your target output resolution. Move to Balanced only if GPU load remains too high; Performance trades more internal detail for speed.
- Walk through a repeatable scene containing foliage, thin geometry, particles, and text. Watch for ghosting, shimmering, or unstable HUD elements before deciding that a higher average FPS is worthwhile.
When the game has native FSR
- Select FSR in the in-game upscaling menu rather than enabling RSR on top of it.
- Choose the highest-quality mode that meets your frame-rate target and leave the game’s sharpening control at a moderate value initially.
- Compare the same camera path in motion. Fine fences, hair, foliage, specular highlights, and particle effects reveal reconstruction weaknesses more clearly than a static screenshot.
- If the title offers several FSR families or a native anti-aliasing mode, test each label separately; do not assume that similarly named modes use the same algorithm.
When the game has native XeSS
- Confirm that the game is documented as supporting XeSS and install a current driver for your GPU.
- Select XeSS and disable any separate DLSS, FSR, or temporal anti-aliasing option that remains exposed. Some games hide competing controls automatically; others leave them visible.
- Measure average FPS and 1% lows in a repeatable area. Include camera movement and traversal, because a high average can conceal uneven frame delivery.
- If XeSS is slower or less stable on your non-Intel GPU, compare it directly with the game’s other native option at the same output resolution.
When the game has no native upscaler: Radeon RSR
- Open AMD Software and select the game’s gaming profile, or create one if the executable is not detected.
- Enable Radeon Super Resolution using the label presented by your installed driver.
- Run the game in exclusive full-screen and choose a lower in-game resolution than the monitor’s native output. A borderless window may prevent RSR from engaging.
- Confirm the on-screen result by checking the AMD overlay or the game’s effective resolution, then adjust sharpening only after the scaler is working.
When the game has no native upscaler: NVIDIA App override
- Open the NVIDIA App and inspect the individual game’s available graphics or driver overrides. The list is title-specific and can change with app and driver releases.
- If a DLSS override is offered, apply it to that game only and record the original settings so you can revert cleanly.
- Launch the title, verify that the override is active, and test for UI corruption, crashes, missing effects, or unusual frame pacing.
- If the game is not covered, do not assume that a generic DLSS switch or a different title’s profile will work. Use the native renderer, RSR on supported Radeon hardware, or a carefully vetted game-specific mod instead.
How to compare image quality and performance fairly
No official cross-game benchmark in the available guidance establishes a universal FPS gain or a permanent quality ranking. A useful comparison is a controlled experiment on the game you actually play.
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| Control | What to keep identical | Why it matters |
|---|---|---|
| Output | Monitor resolution, refresh rate, HDR state, and window mode | Upscalers can behave differently in exclusive full-screen and borderless modes |
| Rendering | Textures, shadows, ambient occlusion, anti-aliasing, and view distance | Changing a graphics setting can mask an upscaler’s actual effect |
| Software | Game build, graphics driver, and upscaler mode | Patches and driver changes can alter stability and reconstruction |
| Workload | The same save, route, camera movement, and combat or traversal sequence | Different scenes produce different GPU and CPU limits |
| Measurements | Average FPS, 1% lows, frame-time graph, and subjective artifacts | Frame pacing and clarity can matter more than the average number |
Inspect moving foliage, thin wires, distant geometry, particles, reflections, and small HUD text. Look for shimmer during camera pans, trails behind moving objects, unstable transparency, and sharpening halos. Capture screenshots only as a supplement; temporal artifacts often appear only in motion.
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Record GPU utilization as well. If the GPU is already below full utilization because the old game is CPU-limited, an upscaler may add little or no FPS. In that case, lowering internal resolution cannot remove the CPU bottleneck, and a lower-quality mode may simply make the image softer.
Hardware compatibility and sensible defaults
| Your GPU | First choice when the game supports it | Fallback when no native option exists | What to verify |
|---|---|---|---|
| GeForce RTX | DLSS, if listed by the game | A supported NVIDIA App DLSS override; otherwise the game’s native resolution or a title-specific mod | RTX compatibility, title coverage, driver version, and anti-cheat behavior |
| Radeon | In-game FSR; XeSS only if the title supports it and testing is favorable | RSR through AMD Software on supported hardware | Exclusive full-screen for RSR and whether the game is already using FSR |
| Intel Arc | Native XeSS when listed; compare with native FSR if both are available | No universal driver-level XeSS fallback is established; use the game’s native settings | XeSS support status, frame pacing, and the game’s rendering API |
| Older or mixed-brand GPU | Native FSR is usually the broadest practical integrated option | The driver’s own scaling features, if supported, or a lower render resolution | Whether the title exposes the feature and whether the GPU is CPU- or GPU-limited |
“Compatible” is not a promise of identical results. The same XeSS or FSR mode can have different overhead on different architectures, and a driver fallback lacks information available to an integrated implementation.
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The option is missing even though the GPU is new enough
Check the game’s version, renderer, and display mode first. DLSS requires an integration path or supported override; FSR requires game integration; XeSS requires title support. A driver update cannot automatically add a menu to an executable that does not expose the required hooks.
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Verify that the game is using exclusive full-screen, that its selected resolution is below the monitor’s native output, and that RSR is enabled in the profile for the correct executable. Borderless mode, a launcher profile pointing to the wrong executable, or an already-native resolution can prevent an obvious change.
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The image is blurrier after enabling an upscaler
Check that only one scaler is active. Disable RSR when using in-game FSR, and remove extra sharpening or post-process filters while testing. Return to the highest-quality mode, then lower quality only if performance requires it.
Average FPS rises but the game feels worse
Measure 1% lows and frame-time consistency, not just the average. Compare the same traversal or combat sequence and check for shader compilation, CPU limits, and background activity. XeSS and other neural methods can have different overhead on different GPU architectures, so a result from another card is not a reliable prediction.
A modded upscaler causes crashes or anti-cheat warnings
Remove the injected files, restore the original executable or configuration, and verify the game files through its launcher. Do not use an injector in multiplayer or anti-cheat-protected modes unless the game’s operator explicitly permits it. Future patches can invalidate a previously working DLL swap.
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HUD text or menus look distorted
Some older renderers draw UI elements at the reduced internal resolution or apply scaling in an unexpected order. Test exclusive and borderless modes separately, disable third-party overlays, and check whether the title offers a native-resolution UI setting. If the artifact is introduced only by an override or mod, revert to the game’s native renderer.
The practical verdict by situation
- RTX card and native DLSS: start with DLSS Quality, then test Balanced only if needed.
- Any compatible GPU and native FSR: use the in-game FSR implementation first; it is the broadest native cross-vendor choice.
- Supported game with XeSS: test XeSS on your own hardware and judge frame pacing as well as clarity and average FPS.
- Radeon system and no native upscaler: use RSR in exclusive full-screen after lowering the game’s render resolution.
- NVIDIA system and no native upscaler: check for a title-specific NVIDIA App DLSS override, but treat it as an experiment rather than a guaranteed upgrade.
- Considering a community mod: validate the exact game build, renderer, launcher, and anti-cheat policy, and keep a clean way to uninstall it.
The safest baseline is always the game’s native implementation. DLSS is the RTX-focused choice, FSR is the most broadly compatible integrated choice, and XeSS is a useful but title-dependent alternative. For games that expose none of them, RSR is the clearest official AMD fallback, while NVIDIA’s override coverage is limited to selected titles. Compare at equal output resolution, identical settings, and the same driver before choosing what actually works best for your older game.
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