Apple Watch Series 3 (38mm) vs Samsung Galaxy Watch 8 (40mm) vs Samsung Galaxy Watch 7 (40mm) Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| Apple Watch Series 3 (38mm) | Samsung Galaxy Watch 8 (40mm) | Samsung Galaxy Watch 7 (40mm) |
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Released
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2017
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Released
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Jul 25, 2025
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Released
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Jul 24, 2024
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1.5-inch · 340x272px
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1.3-inch · 438x438px
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1.3-inch · 432x432px
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768GB · 16GB
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2GB · 32GB
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2GB · 32GB
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279 mAh
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325 mAh
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300 mAh
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| Check prices | ||
| Check Accessories | Check Accessories | Check Accessories |
Availability
| Officially announced | ||
|---|---|---|
| Jul 09, 2025 | ||
| Prices (MSRP) | ||
| $350 | ||
Design
| Dimensions | ||
|---|---|---|
| 1.52 x 1.31 x 0.45 inches 38.6 x 33.3 x 11.4 mm |
1.57 x 1.59 x 0.34 inches 40 x 40.4 x 8.6 mm |
1.59 x 1.59 x 0.38 inches 40.4 x 40.4 x 9.7mm |
| Weight | ||
| 1.50 oz / 42.4 g | 1.06 oz / 30.0 g | 1.02 oz / 28.8 g |
| Materials | ||
| Back: Ceramic Frame: Stainless steel |
Back: Aluminum | Back: Aluminum |
| Resistance | ||
| Water, Dust | Water (up to 5 meters), Dust; IP68; MIL-STD-810 certified | Water (up to 5 meters), Dust; IP68; MIL-STD-810 certified |
| Colors | ||
| Space Black, Silver | ||
Display
| Size | ||
|---|---|---|
| 1.5-inch, 55.12% screen-to-body | 1.3-inch | 1.3-inch |
| Type | ||
| OLED, 1000 nits | Super AMOLED | Super AMOLED |
| Resolution | ||
| 340x272px, 290 PPI | 438x438px, 462 PPI | 432x432px, 470 PPI |
| Protection | ||
| Sapphire | Sapphire | Sapphire |
| Features | ||
| Pressure-sensitive, Scratch-resistant glass | ||
Hardware
| System chip | ||
|---|---|---|
| Apple S3 | Exynos W1000 (3 nm) | Exynos W1000 (3 nm) |
| Processor | ||
| Dual-core | ||
| GPU | ||
| PowerVR | ||
| Memory | ||
| 768GB/16GB | 2GB/32GB | 2GB/32GB |
| OS | ||
| watchOS (8.x, 7.x, 6.1, 6.x, 5.1, 5, 4.x) | Wear OS | Wear OS |
Battery
| Type | ||
|---|---|---|
| 279 mAh | 325 mAh | 300 mAh |
| Charging | ||
| Qi wireless charging | ||
Connectivity & Features
| Bluetooth | ||
|---|---|---|
| 4.2 | 5.3 | 5.3 |
| WLAN | ||
| b,g,n 802.11 b, g, n | a,b,g,n,ac 802.11 a, b, g, n, ac | a,b,g,n,ac 802.11 a, b, g, n, ac |
| Sensors | ||
| Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer | Accelerometer, Gyroscope, Pedometer, Compass, Heart rate, Thermometer, Barometer, Step detector, ECG, Blood Oxygen, Ambient light sensor | Accelerometer, Gyroscope, Pedometer, Compass, Heart rate, Thermometer, Barometer, Step detector, ECG, Blood Oxygen, Ambient light sensor |
| Location | ||
| A-GPS, Glonass | Glonass, Galileo, BeiDou | Glonass, Galileo, BeiDou |
| Other | ||
| NFC | NFC | NFC |
Multimedia
| Headphones | ||
|---|---|---|
| No 3.5mm jack | ||
| Speakers | ||
| Loudspeaker | ||
Cellular
| LTE Bands | ||
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| 1, 3, 5, 7, 8, 18, 19, 20, 26 | ||
| 3G Bands | ||
| 1, 5, 8 | ||
| Data Speed | ||
| LTE, HSDPA+ (4G) 42.2 Mbit/s | LTE | LTE |
| SIM type | ||
| eSIM | eSIM | eSIM |
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