Battery life
- WHOOP Peak 5.0 Sensor
- Up to 14+ days
- Samsung Galaxy Watch 8 Classic
- Up to 40 hours per charge
Wearable comparison
Compare battery life, health tracking, display and fit.
01Selected ![]() WHOOP Peak 5.0 Sensor
KSh 38,000In Stock | 02 ![]() Samsung Galaxy Watch 8 Classic
KSh 38,500In Stock |
|---|






The WHOOP Peak 5.0 Sensor, a screenless tracker you read in the WHOOP app, lasts longer between charges (more than 14 days) and works with Android phones and iPhones, though it needs a WHOOP membership, while the Samsung Galaxy Watch 8 Classic, a smartwatch with a 1.34-inch OLED screen, has built-in GPS for runs without your phone and is swimproof to 50 m.
The main differences to help you choose.
| Priority | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Battery life | Up to 14+ days | Up to 40 hours per charge |
| Portability | About 26.5 g | 63.5 g |
| Display | Screenless tracker | 1.34-inch OLED display |
| Software | WHOOP with Peak membership | Wear OS 6 |
| Connections | Bluetooth | Bluetooth 5.3 |
| Sensors | PPG heart-rate sensor, accelerometer | Samsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis |
| Sleep tracking | Light, REM and deep sleep | Sleep tracking, sleep coaching, Bedtime Guidance and sleep-apnoea features where available |
| Charging | Wireless PowerPack, compatible with USB-C Basic Charger | Fast wireless charging, WPC-based |
| Positioning / GNSS | Connected smartphone GPS, no built-in GPS | Dual-frequency GPS, L1 + L5 |
| Health & wellness features | Continuous heart rate, HRV | Heart and wellness tracking |
Tick a topic above to see how each product answers it.
Explore the full specifications, section by section.
| Specification | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Display | Screenless tracker | 1.34-inch Super AMOLED |
| Screen resolution | Not applicable | 438 × 438 pixels |
| Display protection | — | Sapphire crystal |
| Display features | — | Full-colour always-on display |
| Specification | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Positioning / GNSS | Connected smartphone GPS; no built-in GPS | Dual-frequency GPS, L1 + L5; GLONASS; BeiDou; Galileo |
| Network / cellular | — | GSM / HSPA / LTE |
| SIM / eSIM | — | eSIM |
| Wi-Fi | — | Wi-Fi 2.4 GHz + 5 GHz |
| Bluetooth | — | Bluetooth 5.3 |
| NFC | — | Supported |
| Specification | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Brand | WHOOP | Samsung |
| Model | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
| Dimensions | 34.7 × 24 × 10.6 mm | 46.4 × 46.0 × 10.6 mm |
| Weight | Approximately 26.5 g | 63.5 g without band |
| Build materials | Sensor housing with stainless-steel components; LED indicators | Stainless-steel case |
| Strap / band | SuperKnit Obsidian | — |
| Announced | — | 2025, July 09 |
| Controls / buttons | — | Rotating bezel; Quick Button; Home and Back buttons |
| Specification | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Sensors | PPG heart-rate sensor; accelerometer; skin-temperature sensor | Samsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensor; 3D Hall sensor |
| Health & wellness features | Continuous heart rate; HRV; respiratory rate; skin temperature; Recovery; Strain; Healthspan; Health Monitor; Stress Monitor | Heart and wellness tracking; Antioxidant Index, Vascular Load, Energy Score and stress features. Availability varies by market and paired phone. |
| Sleep tracking | Light, REM and deep sleep; duration; performance; consistency; sleep need | Sleep tracking, sleep coaching, Bedtime Guidance and sleep-apnoea features where available |
| Sports / workout modes | Automatic and manual activity tracking | — |
| Training & outdoor features | — | Running Coach and dual-frequency route tracking |
| Specification | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Battery life | Up to 14+ days | Always-On Display off: up to 40 hours Always-On Display on: up to 30 hours |
| Charging | Wireless PowerPack; compatible with USB-C Basic Charger | Fast wireless charging, WPC-based |
| Water resistance | IP68; up to 10 m for 2 hours | 5 ATM; IP68 |
| Battery capacity | — | 445 mAh |
| Durability / certifications | — | MIL-STD-810H |
| Specification | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Phone compatibility | iOS 18 or later recommended; Android 11 or later recommended | Android 12.0 or later; more than 1.5 GB RAM |
| Companion app | WHOOP with Peak membership | Galaxy Wearable; Samsung Health |
| Colors | — | Black; White |
| Specification | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Charging time | Approximately 120 minutes | — |
| Movement sensors | Accelerometer | — |
| Bluetooth and Wi-Fi | Bluetooth | — |
| Packing list | WHOOP 5.0; SuperKnit Obsidian band; Wireless PowerPack | — |
| Smart recognition | Automatic activity detection | — |
| Energy, load and readiness features | Recovery; Strain; Sleep scores; personalized coaching | — |
| Case material | — | Stainless steel |
| Peak brightness | — | 3,000 nits peak |
| Release status | — | Available. Released 2025, July 25 |
| Model numbers | — | SM-L500, SM-L505U |
| Card slot | — | No |
| Camera | — | No |
| 3.5 mm headphone jack | — | No |
| USB | — | No |
| Radio | — | No |
| 2G bands | — | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | — | HSDPA 850 / 900 / 2100 |
| 4G bands | — | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 40, 66, 71 |
| Network speed | — | HSPA, LTE |
| SAR (US) | — | 1.04 W/kg (head) 0.41 W/kg (body) |
| SAR (EU) | — | 0.03 W/kg (head) 0.67 W/kg (body) |
| Additional durability features | — | Rotating bezel |
| Specification | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Processor | — | Exynos W1000, 3 nm |
| CPU | — | 5-core |
| GPU | — | Mali-G68 |
| RAM | — | 2 GB |
| Storage | — | 64 GB |
| Operating system | — | Wear OS 6; One UI 8 Watch |
| Specification | WHOOP Peak 5.0 Sensor | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Speaker | — | Supported |
| Microphone | — | Supported |
| Calling | — | Bluetooth calling with a connected smartphone; standalone calling on LTE editions |
These products have the same published specifications.
Get the WHOOP Peak 5.0 Sensor if you want a screenless tracker with longer battery life, or the Samsung Galaxy Watch 8 Classic if you would rather have the time, notifications and workout stats on your wrist.
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