Nextbase 622GW 4K Dash Cam vs VIOFO A129 Pro Duo 4K Front + Rear Dashcam (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Nextbase 622GW 4K Dash Cam

9.2/10 Excellent

4.4★ (9,200 owners)

4K HDR, Sony Starvis 2 sensor, What3Words, Alexa. The UK's best-selling premium dash cam.

Full Review

VIOFO A129 Pro Duo 4K Front + Rear Dashcam

9.0/10 Excellent

4.4★ (8,200 owners)

4K front + 1080p rear, Sony IMX335 sensor, GPS, WiFi, dual channel. Best-value front-rear combo.

Full Review

At a Glance

	Nextbase 622GW 4K Dash Cam	VIOFO A129 Pro Duo 4K Front + Rear Dashcam
247Verdict Score	9.2/10	9.0/10
Owner Rating	4.4★ (9,200)	4.4★ (8,200)
Verdict	Excellent	Excellent

Quick Verdict

Both are strong choices, but the Nextbase 622GW 4K Dash Cam edges ahead with a 9.2/10 vs 9.0/10. 4K HDR, Sony Starvis 2 sensor, What3Words, Alexa. The UK's best-selling premium dash cam. That said, the VIOFO A129 Pro Duo 4K Front + Rear Dashcam is worth considering if 4K front + 1080p rear, Sony IMX335 sensor, GPS, WiFi, dual channel. Best-value front-rear combo. Check the current price on Rexing →

Pros & Cons Side by Side

Nextbase 622GW 4K Dash Cam

Sony Starvis 2 sensor delivers the clearest night footage in any consumer dash cam
4K HDR provides number plate readability at greater distance than 1440p alternatives
What3Words integration records exact location to 3-metre accuracy for incident reporting
Emergency SOS automatically contacts emergency services and sends GPS location on detected crash
Alexa built-in for voice control without phone interaction while driving

4K footage uses significant storage — 32GB fills in ~2 hours of continuous recording
Premium pricing for a dash cam
Alexa requires constant Wi-Fi or phone hotspot for full functionality

VIOFO A129 Pro Duo 4K Front + Rear Dashcam

4K front + 1080p rear dual-channel in one set — captures all collision angles simultaneously
Sony IMX335 sensor produces clear night footage — low-light performance is critical for dashcams
GPS logs route data alongside video for accident documentation
WiFi transfers footage to phone without removing SD card
Under £150 for front+rear 4K system — significantly better value than Nextbase dual-channel

Requires hardwire kit for parking mode recording — additional installation cost
Less polished app than Nextbase Replay 4 — occasional connectivity drops
VIOFO brand less known than Nextbase in UK for warranty support

FAQ

Which is better, Nextbase 622GW 4K Dash Cam or VIOFO A129 Pro Duo 4K?

Is the Nextbase 622GW 4K Dash Cam worth the extra cost?

Yes — Nextbase 622GW 4K Dash Cam scores higher at 9.2/10 vs 9.0/10.

Who is the Nextbase 622GW 4K Dash Cam best suited to?

4K HDR, Sony Starvis 2 sensor, What3Words, Alexa. The UK's best-selling premium dash cam.

Who is the VIOFO A129 Pro Duo 4K best suited to?

4K front + 1080p rear, Sony IMX335 sensor, GPS, WiFi, dual channel. Best-value front-rear combo.

What are the main downsides of each?

Nextbase 622GW 4K Dash Cam: 4K footage uses significant storage — 32GB fills in ~2 hours of continuous recording; Premium pricing for a dash cam. VIOFO A129 Pro Duo 4K Front + Rear Dashcam: Requires hardwire kit for parking mode recording — additional installation cost; Less polished app than Nextbase Replay 4 — occasional connectivity drops.

Do owner ratings agree with our verdict?

Largely, yes — Nextbase 622GW 4K Dash Cam sits at 4.4★ from 9,200 verified Amazon owners, and VIOFO A129 Pro Duo 4K Front + Rear Dashcam at 4.4★ from 8,200.

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