Seeing 120 FPS on the screen can be misleading when frame generation is doing the work. A game that renders at 70 FPS may report 120 after DLSS or FSR generates additional frames. Motion looks much smoother, but the controls still feel like a lower frame rate.
That is where VRR enters the picture.
G-SYNC and FreeSync do not generate frames or make the GPU render faster. They control the relationship between the display's refresh cycle and the frames arriving from the system. With Frame Generation, that relationship matters. If frame delivery is poorly timed, you can see tearing, feel extra input delay, or notice small stutters even with a high FPS reading.
Free performance comes with strings
Frame generation can be an easy way to get more life from an existing gaming PC. An RTX 4070 or RX 7800 XT owner may be able to make better use of a 120Hz display without moving up to a more expensive GPU. DLSS Frame Generation and FSR Frame Generation make that test simple.
For some players, that could mean waiting another year before upgrading. The sensible approach (whether you are tweaking PC settings or exploring new online services) is to test or to rely on expert review sites to do the heavy lifting for you.
It is much like how smart players approach a new platform, whether it's about a PC game or online gaming on, let's say, a legal casino website.
Rather than depositing into the game immediately, they take advantage of promotional offers, checking the list of available options like a casino 25 euro no deposit bonus for registration from experts at Polskie Sloty or other legit platforms. Thus, players have the opportunity to choose and test game load speeds, user interfaces, and overall site reliability.
Evaluating frame generation looks the same.
With this tech, you see what the setup can handle. At 40 to 50 FPS, generated frames raise the counter without fixing the underlying responsiveness. At 65 to 80 real FPS, there is more performance for frame generation to build on. VRR can make those frames arrive more consistently. It cannot turn 40 real FPS into the same experience as 80 real FPS.
How VRR handles generated frames
At 144Hz, a fixed-refresh monitor has a simple rule: refresh every 6.9 ms. The GPU has to deliver frames around that schedule. If the next frame is late, the monitor can repeat the previous one. If the frame arrives before the next refresh, the display may show it at the wrong point in the refresh cycle, causing tearing.
Frame generation makes the stream less predictable.
The GPU alternates between rendered and generated frames, and the interval between them can vary. You may not notice this while looking at a static scene. Start strafing along a detailed wall, or move the camera across a fence, though, and the uneven timing becomes easier to see.
VRR changes the timing rules. The monitor can wait for the next frame instead of refreshing at a fixed interval. This gives the display more room to handle changes in frame delivery. With a 144 Hz G-SYNC Compatible or FreeSync monitor, 65 real FPS plus generated frames can appear smoother when the stream stays within the monitor's VRR range.
The benefit has a boundary. VRR can improve how frames are displayed, but it does not increase the real frame rate or remove the input delay associated with it.
G-SYNC and FreeSync Setup that works
VRR setup is about getting the monitor and graphics driver to agree. First, enable Adaptive Sync, FreeSync, or G-SYNC in the monitor menu. Then enable the matching option on the PC. NVIDIA users can open NVIDIA's Control Panel and select Display > Set up G-SYNC. AMD users can open AMD Adrenalin and look under Display for FreeSync.
Fullscreen is the simplest mode for testing. Borderless fullscreen may also support VRR depending on the setup. After that, let the driver control VRR and keep V-Sync off in the game in most cases. This gives DLSS 3, DLSS 4, and FSR 3.1 a better chance of keeping generated frames within the display's VRR range. You can test the feature without extra software. If the monitor shows its current refresh rate, watch the number while the game's FPS changes.
A working VRR display should adjust its refresh rate. If it remains at 144Hz while the game moves through different frame rates, something may be preventing VRR from working. Check the supported range as well. A 144Hz monitor may cover 48Hz to 144Hz. Low framerate compensation can help when FPS falls below that lower limit by repeating frames.
Even so, staying within the main VRR range is preferable. That is why 60 real FPS is a much better starting point for frame generation than 35 real FPS. The generated frames can raise the counter, but they do not change the underlying performance.
In a Word
VRR improves the smoothness of frame generation by syncing the PC's display refresh rate with the frames being delivered, which reduces tearing and uneven pacing. It does not, however, improve the game’s actual input response.
For best results, enable VRR, use driver-level V-Sync, activate Reflex or Anti-Lag if supported, and cap FPS below the monitor’s maximum refresh rate so you stay within the VRR range.