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Samsung
Samsung Galaxy Watch 5 40mm
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Key specs
Battery
- Battery Life Aod
- 30 h
- Battery Life Typical
- 30 h
- Capacity
- 284 mAh
- Charging Method
- USB-C cable
- Full Charge Minutes
- 60 min
- Fast Charging
- Yes
- Wireless Charging
- Yes
Build
- Band Material
- Silicone
- Gorilla Glass
- No
- Water Resistance
- Yes
- IP Rating
- IP68
- Material Case
- Aluminum
- Water Depth
- 50 m
Connectivity
- Bluetooth
- Yes
- Cellular
- Yes
- Gps
- Yes
- Lte
- Yes
- NFC
- Yes
- Wifi
- Yes
Design
- Case Size
- 40 mm
- Case Thickness
- 9.8 mm
- Color Options
- Black, pink gold, sapphire, silver
- Form Factor
- Round
- Always On Display
- Yes
- Weight
- 28.7 g
Display
- Brightness Peak Nits
- 1000 nits
- Panel Type
- AMOLED
- Resolution Px
- 396×396
- Size In
- 1.2 in
Features
- Contactless Payment
- Yes
- Microphone
- Yes
- Music Storage
- Yes
- Sleep Tracking
- Yes
- Speaker
- Yes
- Stress Monitoring
- Yes
- Sport Modes Count
- 100
- Voice Assistant Support
- Bixby, Google Assistant
Sensors
- Ecg
- Yes
- Heart Rate
- Yes
- Skin Temperature
- Yes
- Spo2
- Yes
Software
- App Store Supported
- Yes
- Operating System
- Wear OS
- Supported Phone OS
- Android only
Owners
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Owner reviews are not paid for, not solicited from specific owners, and not rewritten by us: at most we proofread typos, which is shown on the review’s own page and which the author can undo. The commission SoundGuys may earn on this page comes from retail links, never from owner reviews.
Own the Samsung Galaxy Watch 5 40mm?
Three answers, four quick reads, one sentence nobody tells you before buying. Shown under a pseudonym. Sign-in needed to publish.
Questions from readers
What readers ask about the Samsung Galaxy Watch 5 40mm, answered by the people who own it.
Features & Opinions
More from the team ›Commentary and deep dives from the SoundGuys editorial team.
Samsung, why are you so afraid of aptX Lossless?There's no good reason left for Samsung to keep locking Galaxy devices out of true wireless lossless audio.
Adam BirneyManaging EditorSamsung, it's time to make an AirPods Max competitorI love my Galaxy Buds, but I want the sound and comfort of a pair of headphones.
Zac Kew-DennissThe Samsung Galaxy Buds4 Pro's ecosystem lock-in only hurts itselfHead gestures, Ultra High-Quality audio, and ultra-wideband calls require a compatible Samsung phone.
Tom TriggsContributorThe 5 best headphones to look forward to in 2026Strap in — we're in for a wild year.Tom TriggsContributorBest Earbuds Prime Day Deals October 2025Looking for the best Prime Day earbuds deals this October? We’ve tested the top options — here are our top four picks, for all budgets.
Chase BernathBrand & Partnerships ManagerPhone-specific features suck. Here's whyHeadphone manufacturers are marching to the same somber beat.Tom TriggsContributor
Adam BirneyManaging EditorSamsung, it's time to make an AirPods Max competitorI love my Galaxy Buds, but I want the sound and comfort of a pair of headphones.Zac Kew-DennissThe Samsung Galaxy Buds4 Pro's ecosystem lock-in only hurts itselfHead gestures, Ultra High-Quality audio, and ultra-wideband calls require a compatible Samsung phone.Tom TriggsContributorThe 5 best headphones to look forward to in 2026Strap in — we're in for a wild year.Tom TriggsContributorBest Earbuds Prime Day Deals October 2025Looking for the best Prime Day earbuds deals this October? We’ve tested the top options — here are our top four picks, for all budgets.Chase BernathBrand & Partnerships ManagerPhone-specific features suck. Here's whyHeadphone manufacturers are marching to the same somber beat.Tom TriggsContributorMore Smartwatches
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