Samsung
Samsung Galaxy Ring
$399.99
Released 2024-07
Best Smart Rings · head-to-head
A sourced, side-by-side comparison. Luna Ring Gen 2 is cheaper at $300. Every spec and price links to its source.
Samsung
$399.99
Released 2024-07
Noise
$300Cheaper
Released 2025-07
On the specs we track, they're closely matched. The Luna Ring Gen 2 is the cheaper at $300.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $399.99 | $300 |
| Brand | Samsung | Noise |
| Released | 2024-07 | 2025-07 |
| Material | Titanium (Titanium Black, Silver, Gold finishes) | Fighter jet-grade titanium with PVD coating and non-allergenic inner molding |
| Weight (g) | 2.3-3.2 | 3-5 |
| Battery days | 7 | 6 |
| Spo2 | Yes | Yes |
| Temperature sensor | Yes | Yes |
| Ecg | No | No |
| Subscription required | No | No |
| Water resistance (m) | 100 | 50 |
Sources — Samsung Galaxy Ring: samsung.com (verified 2026-06-15). Luna Ring Gen 2: lunazone.com (verified 2026-06-15).
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Four whitelisted testers (Engadget, Tom's Guide, TechRadar, GSMArena) wore it hands-on: a comfortable, lightweight sleep-and-wellness tracker with subscription-free Samsung Health and roughly 5-6 day battery. All flag the steep $399 price and reliance on a Samsung/Android phone; GSMArena found running tracking unreliable without GPS. Enthusiasm ranged from Editor's Choice to merely satisfactory. (4 sourced reviews, 4 lab-tested.)
Praised: Comfortable, lightweight, and easy to sleep with; No subscription fee — full Samsung Health access included; Long battery life, roughly 5-6 days, plus a multi-charge case.
Flagged: Steep price, more expensive than Oura and even the Galaxy Watch 7; Requires a Samsung/Android phone with Samsung Health; no iOS support; Weak workout tracking — only auto-logs walking/running, no GPS.
No sourced tester review yet.