Medtronic Guardian 4
VS.
Dexcom G6
Quick Verdict
“No single winner across all users. Specs and community evidence suggest deciding by your top constraint: alert depth, day-1 trust, signal stability, and real cost path. Current user-report tone is mixed user reports for Medtronic Guardian 4 and mixed user reports for Dexcom G6.”
Key Differences
| Dimension | Medtronic Guardian 4 | Dexcom G6 |
|---|---|---|
| Use type | Prescription | Prescription |
| Insulin-use fit | High | High |
| Wear duration (days) | 7 | 10 |
| Warmup (minutes) | Varies / not emphasized | 120 |
| Calibration | none | none |
| Alert depth | full | full |
| Discretion | Medium | Low |
| Community signal focus | signal, ecosystem | accuracy |
| Community signal tone | mixed user reports | mixed user reports |
References
- 1.Medtronic 780G + Guardian 4 calibration guidanceofficial
- 2.Dexcom G6 product resourcesofficial
- 3.Reddit: Guardian 4 reliability complaintscommunity
- 4.Reddit: Guardian 4 positive in-range outcomescommunity
- 5.Reddit: Dexcom compression low patternscommunity
- 6.Reddit: CGM falling off patterns and fixes (r/diabetes_t2)community
- 7.Reddit: CGM falling off recent discussion (r/type2diabetes)community
Medical Disclaimer
This content is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before making decisions about your diabetes management or CGM device selection.