Who is the Samsung - Galaxy Watch 7 (40mm) for?
Entry-tier smartwatche. Below 58 on the Mars Score means several weighted specs trail the category leaders by a wide margin.
Only consider this if there is a specific reason — price, brand loyalty, ecosystem fit. The best-of page shows what your money buys a tier up.
Mars Score is computed from 17 measured specs against the transparent formula for the smartwatches category. No editorial picks, no paid placement.
Samsung - Galaxy Watch 7 (40mm): advantages & disadvantages
Measured against every smartwatches we track, here is where the Samsung - Galaxy Watch 7 (40mm) pulls ahead — and where it gives ground.
- ▲Includes Always-on display — a feature not every smartwatches offers.
- ▲Includes ECG — a feature not every smartwatches offers.
- ▲Includes SpO2 — a feature not every smartwatches offers.
- ▲Includes GPS — a feature not every smartwatches offers.
- ▲Includes Cellular — a feature not every smartwatches offers.
- ▼Battery life: 30 h — among the weakest in the smartwatches category.
- ▼Display size: 1.31 " — below the typical smartwatches.
Pros are specs scoring ≥75% of the category normalization range. Cons are ≤35%. Derived from the Mars Score formula — no hand-curated lists.
At a glance
- Display size
- 1.31"
- Case size
- 40mm
- Battery life
- 30h
- OS
- WearOS
All specifications
Design
- Case size
- 40 mm
- Weight
- 28.8 g
- Case material
- aluminum
- Water resistance?
- 5 ATM
Display
- Display size
- 1.31 "
- Always-on display
- true
- Peak brightness?
- 3000 nits
Health & Fitness
- ECG
- true
- SpO2
- true
- Temperature sensor
- true
- Sleep tracking
- true
- Blood pressure
- true
Battery & Connectivity
- Battery life
- 30 h
- GPS
- true
- Cellular
- true
- NFC
- true
- OS
- WearOS
Latest from the lab
All lab reports →Popular comparisons featuring the Samsung - Galaxy Watch 7 (40mm)
The 8 closest matchups in the Smartwatches category, sorted by Mars Score proximity — the fights most worth your time.
Browse by segment
Frequently asked
What is the Mars Score for Samsung - Galaxy Watch 7 (40mm)?+
Samsung - Galaxy Watch 7 (40mm) scores 43.8 on the transparent Mars Score formula for smartwatches, computed from its published specs against the category's weighted normalization.
What category does Samsung - Galaxy Watch 7 (40mm) belong to?+
Samsung - Galaxy Watch 7 (40mm) is a Samsung smartwatche catalogued in the Smartwatches category.
When was Samsung - Galaxy Watch 7 (40mm) released?+
Samsung - Galaxy Watch 7 (40mm) was released on 2024-07-24.
What is the display size of Samsung - Galaxy Watch 7 (40mm)?+
Samsung - Galaxy Watch 7 (40mm) has a display size of 1.31 ".
What is the case size of Samsung - Galaxy Watch 7 (40mm)?+
Samsung - Galaxy Watch 7 (40mm) has a case size of 40 mm.
What is the battery life of Samsung - Galaxy Watch 7 (40mm)?+
Samsung - Galaxy Watch 7 (40mm) has a battery life of 30 h.
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.