To make a fair before-and-after comparison, load the same saved in-game view in both mod states and keep the camera, lighting, HUD, resolution, graphics settings, and capture method unchanged. Change only the mod state you are testing. That makes it easier to tell what the mod itself changed rather than what a different scene or setup changed.
Set up a repeatable in-game view
Choose a stable reference
Use a save, checkpoint, or location that reliably shows the asset or effect you want to compare. Capture in the game itself: editor and studio views may use different lighting or rendering and therefore may not show how the change looks during play. STEP Modifications recommends in-game captures for this reason (STEP Modifications screenshot guide).
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Pick a view where the subject is easy to inspect. Before capturing, wait for temporary on-screen text, passing characters, or other transient elements to disappear. Align the camera and save the reference once the scene is ready.
Capture the unmodded baseline
- Load the vanilla or unmodded configuration.
- Open the reference save or return to the chosen location.
- Match the intended camera angle and framing, and check the lighting.
- Wait until temporary elements are gone, then save the view or record the exact steps needed to reproduce it.
For each later configuration, return to that same reference. Avoid moving the mouse or camera after loading if that can change the framing. STEP Modifications describes repeating captures across vanilla, guide, and testing profiles from a saved view.
Hold the other variables constant
Change one tested state at a time. Keep the following consistent between images:
- Game and mod setup: use the same game version and record the graphics-mod version, load order, and any conflict-resolution details.
- Scene: use the same save, location, time, weather, and lighting conditions where controllable.
- Camera: match position, angle, zoom, and framing. If the game offers a way to save or reproduce a camera view, use it.
- Display: keep resolution, aspect ratio, and graphics settings the same.
- HUD: hide it in both images if the game or an established HUD mod allows; otherwise keep it visible in both.
- Capture: use the same capture software and format for both states.
These controls follow STEP Modifications’ goal of making the asset replacement the only meaningful difference in the comparison. Record the setup alongside the images so viewers can understand what changed.
Rank #2
- 4K60 Capture: Record in cinematic quality with crisp detail and vivid colors
- HFR Support: Play and capture in 1440p120 or 1080p240
- HDR10 Support: Capture brilliant HDR content with tone mapping on Windows
- Cross-Platform Compatible: Works with PS5, Xbox Series X/S, Switch 2, and more
- Analog Audio In: Capture in-game chat or commentary with 3.5mm input
Capture and check the files
- Capture the baseline and modified state using the same method.
- Check that both files have the expected dimensions and that neither capture has an unexpected crop or framing shift.
- Compare the saved files with the in-game view to make sure the capture path has not visibly changed color or quality. STEP Modifications calls for captures that match the in-game image in color and quality.
- Keep the original full-resolution files. If a site compresses the displayed previews, the originals let readers inspect fine detail.
For a static texture or asset change, still images are often the clearest format. Present them side by side or with a before/after slider, and label each state so the viewer knows which configuration they are seeing.
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Choose stills or video based on what changes
Stills are useful for comparing corresponding details in a fixed scene. They cannot show whether an effect flickers, ghosts, or changes during motion. For those behaviors, record matched footage with the same camera movement and scene conditions. NVIDIA notes that image-quality differences such as shadow-filtering flicker and aliasing can be more apparent as the camera moves (NVIDIA ICAT overview; NVIDIA Control graphics and performance guide).
Rank #3
- Input: HDMI (unencrypted)
- Output: HDMI (lag-free pass-through). Supported resolutions: Up to 2160p60
- HDR 10-bit: Pass-through and recording. Encoding: HEVC/H.265 HDR, AVC/H.264
- Country of origin : Taiwan
NVIDIA ICAT can display up to four images or videos and supports side-by-side and slider comparisons, zoom, and spatial and temporal alignment. Use alignment to inspect corresponding regions; it does not make a still image evidence of temporal stability. When performance is part of the question, measure it separately and report the test setup: a screenshot alone cannot establish a performance result. NVIDIA’s guidance recommends comparing corresponding image-quality modes before comparing performance.
When higher-resolution capture is useful
Higher-resolution capture is optional, not a requirement for a fair comparison. A Steam Community guide describes enabling driver-level supersampling for Garry’s Mod so higher resolutions become available in-game. Its warnings are game-specific: Garry’s Mod’s tiled poster command can introduce seams or broken reflections, while higher resolutions can make the interface difficult to use or fail in borderless mode (Garry’s Mod supersampling guide). Do not assume those limitations apply to every game or engine.
Rank #4
- Up to 8K60 and 4K144 HDR passthrough over HDMI 2.1
- Captures up to 4K60, 1440p144, or 1080p240 with HDR10
- VRR and ALLM passthrough for PS5, Xbox Series X, and Nintendo Switch 2
- PCIe x4 internal card for Windows desktop PCs
- Works with Elgato Studio, 4K Capture Utility, and OBS; 8K HDMI cable included
There is also a particular capture-path issue with GPU-side scaling: NVIDIA says software capture may record the lower, pre-upscaled resolution when NVIDIA Image Scaling runs on the GPU. For that workflow, driver-level capture support or a capture card may be needed; NVIDIA names the Elgato 4K60 PRO MK.2 and AVerMedia Live Gamer 4K as examples. This is a narrow workaround for capturing GPU-upscaled video, not a requirement for ordinary still comparisons (NVIDIA ICAT overview).
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- The subject looks shifted: reload the same saved view and check camera position, angle, zoom, and aspect ratio. Avoid moving the camera after loading.
- The lighting or shadows differ: verify time, weather, lighting conditions, and graphics settings. Capture from the game rather than an editor or studio render.
- One image has extra characters or text: wait for transient elements to disappear in both states before saving or capturing.
- The HUD appears in only one image: repeat the captures with the HUD hidden in both, if available, or visible in both.
- The files differ in crop, dimensions, or apparent quality: use the same capture software and format, then inspect the original files and confirm their dimensions. Check whether the publishing platform has compressed only the displayed previews.
- A high-resolution capture has seams or broken reflections: if you are using Garry’s Mod’s tiled
postercommand, the cited guide warns of those artifacts. Treat this as a Garry’s Mod-specific issue rather than a general screenshot limitation. - Software capture records a lower resolution than expected: if NVIDIA Image Scaling is doing GPU-side upscaling, the software capture may record the pre-upscaled image. NVIDIA describes driver-level capture support or a dedicated capture card as options for that workflow.
Or skip the browser setup
For website screenshots used in documentation or visual QA, ScreenshotNeo provides a one-request capture API. It does not capture an in-game view or replace the repeatable game-save workflow above. For example, a cURL request can capture a web page to WebP:
Quick Recap
Best Value
- Seamless Broadcasting and Versatile Streaming: Connect effortlessly to any app such as OBS, Streamlabs, Twitch Studio, Restream, Zoom, Teams, and stream flawlessly on various platforms like YouTube, Twitch, Discord, Facebook Gaming, etc., providing you with unparalleled flexibility and reach.
- Unrivaled Gaming Experience: Immerse yourself in pure gameplay at an astounding 8K60 resolution, all while effortlessly capturing the action in stunning 4K60 quality.
- Cutting-Edge Connectivity: Harness the power of HDMI 2.1 in/out to effortlessly record high frame rates, reaching up to an incredible 240fps in pristine 1080p resolution.
- Seamless Visuals: Say goodbye to screen tearing and relish in a flawlessly smooth gaming experience with Variable Refresh Rate (VRR) passthrough technology.
- Perfectly Synced Entertainment: Achieve unparalleled synchronization between your broadcast and gameplay, thanks to ultra-low latency that ensures every moment is captured with precision.
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webpSee the ScreenshotNeo API documentation for request options. ScreenshotNeo removes supported cookie banners, newsletter popups, and chat widgets before capture; bot checks, blank pages, and failed loads are not billed. Its MCP server lets AI agents take screenshots, and 1,000 screenshots per month are free with no card; paid plans start at $5 for 3,000. Learn more at ScreenshotNeo, or sign up for the free plan.
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