Medtronic
Medtronic Guardian 4
$2478.3Cheaper
Released 2023-04
Best Continuous Glucose Monitors · head-to-head
A sourced, side-by-side comparison. Medtronic Guardian 4 is cheaper at $2478.3. Every spec and price links to its source.
Medtronic
$2478.3Cheaper
Released 2023-04
Senseonics
$3309.69
Released 2022-02
On the specs we track, they're closely matched. The Medtronic Guardian 4 is the cheaper at $2478.3.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | Senseonics Eversense E3 |
|---|---|---|
| US price | $2478.3 | $3309.69 |
| Brand | Medtronic | Senseonics |
| Released | 2023-04 | 2022-02 |
| Wear duration days | 7 | 180 |
| Warmup time hours | 2 | 24 |
| Reading interval min | 5 | 5 |
| Water resistance | Splash-resistant only; not rated for submersion | Sensor is water-resistant once implanted; the external transmitter is removable for bathing/showering |
| App platform | iOS & Android (Guardian Connect app); also displays on the MiniMed 780G pump | iOS & Android (Eversense NOW app) |
| Prescription required | Yes | Yes |
| Mard accuracy pct | 10.6 | 8.5 |
| Sensor size | 1.50 x 2.60 x 2.00 in | approx. 0.72 x 0.14 in (18.3 x 3.5 mm) implantable sensor |
Sources — Medtronic Guardian 4: consumerguide.diabetes.org (verified 2026-08-01). Senseonics Eversense E3: diabetesnet.com (verified 2026-08-01).
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.