Best Continuous Glucose Monitors · head-to-head

Medtronic Guardian 4 vs Senseonics Eversense E3

A sourced, side-by-side comparison. Medtronic Guardian 4 is cheaper at $2478.3. Every spec and price links to its source.

Which is better: the Medtronic Guardian 4 or Senseonics Eversense E3?

On the specs we track, they're closely matched. The Medtronic Guardian 4 is the cheaper at $2478.3.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Medtronic Guardian 4 Senseonics Eversense E3
US price $2478.3 $3309.69
BrandMedtronicSenseonics
Released2023-042022-02
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).

What's the difference between the Medtronic Guardian 4 and Senseonics Eversense E3?

Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.

  • Wear duration days: Medtronic Guardian 4 7 vs Senseonics Eversense E3 180
  • Warmup time hours: Medtronic Guardian 4 2 vs Senseonics Eversense E3 24
  • Water resistance: Medtronic Guardian 4 Splash-resistant only; not rated for submersion vs Senseonics Eversense E3 Sensor is water-resistant once implanted; the external transmitter is removable for bathing/showering
  • App platform: Medtronic Guardian 4 iOS & Android (Guardian Connect app); also displays on the MiniMed 780G pump vs Senseonics Eversense E3 iOS & Android (Eversense NOW app)
  • Mard accuracy pct: Medtronic Guardian 4 10.6 vs Senseonics Eversense E3 8.5
  • Sensor size: Medtronic Guardian 4 1.50 x 2.60 x 2.00 in vs Senseonics Eversense E3 approx. 0.72 x 0.14 in (18.3 x 3.5 mm) implantable sensor

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