Inogen
Inogen One G5
$2495
Released 2019-04
Best Portable Oxygen Concentrators · head-to-head
A sourced, side-by-side comparison. Inogen One G5 is cheaper at $2495. Every spec and price links to its source.
Inogen
$2495
Released 2019-04
Philips Respironics
—
Released 2015-12
The Inogen One G5 wins 1 of the 1 specs we compare head to head; the other wins 0.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $2495 | — |
| Brand | Inogen | Philips Respironics |
| Released | 2019-04 | 2015-12 |
| Oxygen output (ml) | 1260 | 1000 |
| Flow settings | 1–6 | 1–5 |
| Weight (lb) | 4.7 | 5 |
| Battery life hr | 13 | 9 |
| Delivery mode | pulse_dose | pulse_dose |
| Noise (dB) | 39 | 43 |
| Faa approved | Yes | Yes |
| Warranty yr | 3 | 3 |
Sources — Inogen One G5: oxygenconcentratorstore.com (verified 2026-08-01). Philips Respironics SimplyGo Mini: oxygenconcentratorstore.com (verified 2026-08-01).
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.