WOLFBOX G840S vs G930 Mirror Dash Cam: Which Is Better? (October 2026)
Choose the G840S for its 12 in display and the G930 for its 10 in display and larger included memory card. Both record front 4K and rear 1080p video, so screen fit and included features are the main differences.
On this page (8 sections)
- WOLFBOX G840S vs G930: which should you choose?
- How do the screens fit your vehicle?
- How do their cameras and image features compare?
- Which one gives you more storage?
- What are the GPS and phone features?
- How do parking and collision recording differ?
- Is the G850 PRO a better alternative?
- Which WOLFBOX mirror camera is the better fit?
Choose the G840S for its 12 in screen and the G930 for its 10 in screen and larger included memory card. Both WOLFBOX mirror dash cams record front 4K and rear 1080p video, so your main choice is screen size and the features you want around it.
The G840S includes a 32 GB card; the G930 includes a 64 GB card. The G840S adds a split-screen view and a specified 24-hour parking monitor that needs a hardwire kit, while the G930 has a G-sensor that locks video when it detects a collision.
WOLFBOX G840S vs G930: which should you choose?
Pick the G840S for a larger display and split-screen viewing; pick the G930 for a smaller screen and more included card storage. Their front and rear recording resolutions are the same.
The G840S has a 12 in display with a smart split-screen function for viewing both camera feeds. The G930 has a 10 in touch screen that lets you change the viewing angle and switch between front and rear views.
The G930 comes with a 64 GB card, compared with the G840S's 32 GB card. Both include an external GPS antenna and 5.8 GHz Wi-Fi for connecting to the WOLFBOX app.
If you're deciding whether a mirror screen suits your cabin, read our guide to mirror dash cams vs regular dash cams. For more models from the same brand, see our WOLFBOX G840S review.
How do the screens fit your vehicle?
The 10 in G930 may suit a tighter mirror area, while the 12 in G840S gives you a larger viewing surface. Measure your existing mirror and check how the display would sit before choosing.
A mirror camera overlays a screen on the rearview mirror area. A larger panel gives you a larger viewing surface.
The G840S screen is 2 in larger diagonally. Its split-screen function can show front and rear views at once, while the G930 lets you select front and rear split-screen images or the rear image and adjust the view by sliding the screen.
When does the G840S's 12 in display make sense?
Choose the G840S if you want the larger display and plan to use the simultaneous camera view. Its 170° front lens and 140° rear lens have different stated fields of view.
The G840S's 12 in display may not suit every mirror area or sight line. Check the fit in your vehicle and follow the manufacturer's mounting instructions.
When does the G930's 10 in display make sense?
Choose the G930 if a 10 in screen better matches the space around your existing mirror. You can swipe to select front and rear split-screen images or the rear image, and slide the display to change its viewing angle.
Plan to adjust the camera view while parked, using the setup instructions.
How do their cameras and image features compare?
Both cameras specify front 4K and rear 1080p recording. WOLFBOX describes screen and image features intended to help with challenging light on both models.
The G840S includes WDR and HDR, a professional-grade sensor and a 6-glass lens. It has a 170° front lens and a 140° rear lens.
The G930 has WDR, a low-reflectivity LCD and a 6-glass lens. Its front and rear resolutions match the G840S, but no lens angles are specified here.
Distance, glare, weather, camera angle and the vehicle's rear window can affect what footage captures.
If 4K resolution is the part you're weighing, our guide to 1080p vs 4K dash cams explains what resolution can and can't tell you. Consider the camera view you need, especially if the rear camera will sit behind tinted glass.
Which one gives you more storage?
The G930 includes more card storage, with 64 GB versus the G840S's 32 GB. Both have one memory slot, and the G930 supports cards up to 256 GB.
The G840S has a stated memory storage capacity of 128 GB. The G930's maximum supported card size is 256 GB.
Actual recording time depends on resolution, camera settings and how the camera manages older files. Both models have loop recording, which overwrites older footage with new footage.
Format a card in the camera according to its instructions before relying on it for regular recording. Our guide on how to format a dash cam SD card covers the basic process.
What are the GPS and phone features?
Both models include an external GPS antenna and 5.8 GHz Wi-Fi for app access. Their GPS displays and app functions differ.
The G840S displays real-time GPS data on the camera. Its WOLFBOX app supports live viewing, playback and video sharing on iOS and Android devices.
The G930 shows real-time speed and direction when its GPS receiver is connected. WOLFBOX's GPS Player displays GPS information when you review recorded videos, and its app supports video downloads and sharing.
If you want footage on a larger screen, our guide to watching dash cam footage on a computer covers a common next step.
How do parking and collision recording differ?
The G840S specifies a 24-hour parking monitor with time-lapse recording, while the G930 specifies loop recording and collision-triggered video locking. Choose based on the parked-vehicle coverage you need and how you plan to power the camera.
The G840S's parking monitor uses time-lapse recording to conserve power and storage. WOLFBOX says a hardwire kit is required for parking monitoring.
The G930 records in loops of 1, 2 or 3 minutes, overwriting older footage with new video. Its G-sensor locks the current clip when it detects a collision.
Follow the manuals and any hardwire kit instructions before wiring a camera to your vehicle.
Is the G850 PRO a better alternative?
Consider the WOLFBOX G850 PRO if ADAS, BSD and voice control matter more to you than choosing between the G840S's 12 in and G930's 10 in screens. It records front 4K and rear 1080p and comes with a 64 GB card.
The G850 PRO includes driver alerts for forward collision, pedestrian collision, lane departure, lead vehicle start and distance monitoring. Its BSD feature is described as monitoring blind spots and warning about rear collision risks.
It also supports 12 voice commands, including turning on Wi-Fi, taking a picture and locking video. These features make it a different option, but they don't make it automatically better for every driver.
Which WOLFBOX mirror camera is the better fit?
Choose the G840S for a 12 in display, split-screen viewing and a specified 24-hour time-lapse parking monitor. Choose the G930 if its 10 in screen fits your mirror area better and you prefer its included 64 GB card.
If driver alerts and voice control matter most, compare the G850 PRO as well. For a mirror camera with a backup camera, our mirror dash cams with backup cameras guide can help you consider other options.
Frequently asked questions
Is the WOLFBOX G840S or G930 better?
The G840S is the better fit if you want a 12 in display and split-screen viewing; the G930 suits a smaller 10 in screen and includes a 64 GB card instead of 32 GB. Both have front 4K and rear 1080p cameras, so choose by screen space and included storage.
Do the G840S and G930 both record in 4K?
Yes. Both models specify front 4K and rear 1080p recording.
The G840S also offers a split-screen view of both lenses, while the G930 lets you switch between front and rear views and adjust the screen viewing angle.
Which WOLFBOX mirror dash cam includes more storage?
The G930 includes a 64 GB card, twice the G840S's included 32 GB card. The G930 supports cards up to 256 GB, while the G840S's stated memory storage capacity is 128 GB.
Can either WOLFBOX mirror dash cam record while parked?
The G840S has a 24-hour parking monitor with time-lapse recording, and it requires a hardwire kit for parking monitoring. The G930 includes loop recording and a G-sensor that locks a clip when it detects a collision, but its details here don't specify the same 24-hour time-lapse feature.
