Although released about 2 years ago, the Samsung Galaxy Watch is still one of the best rated smartwatches you can buy today. It has a sophisticated design, comes with lots of features, and has a long battery life of about 4 days or more. Moreover, the Galaxy Watch has received some of the UX features in Active 2, and such can do many things the Active can do. The Galaxy Watch is available in two sizes; 46mm and 42mm and each of these two is also available in LTE and Bluetooth only. This comparison features the Bluetooth model of the Samsung Galaxy Watch 46mm vs 42mm, compare the specs and features to find out the differences.
Samsung Galaxy Watch 46mm vs 42mm: Specs Comparison
| Product Info |  Samsung Galaxy Watch (46mm) Full Specifications, Features and Price |
 Samsung Galaxy Watch (42mm) Full Specifications, Features and Price |
|---|---|---|
| Price | - | |
| ABOUT DEVICE | ABOUT DEVICE | ABOUT DEVICE |
| Device name | Samsung Galaxy Watch (46mm) | (42mm), Samsung Galaxy Watch |
| Device type | Fitness/Classic smartwatch | Fitness/Classic smartwatch |
| Gender | Men | Unisex |
| Predecessor | Samsung Gear S3 | Samsung Gear S3 |
| Successor | — | — |
| Models | Bluetooth, LTE | Bluetooth only, LTE/GPS |
| Date released | August, 2018 | August, 2018 |
| DISPLAY | DISPLAY | DISPLAY |
| Display size | 1.3 inches | 1.2 inches |
| Display type | Super AMOLED, Full color | Super AMOLED, Full color |
| Resolution | 360 x 360 pixel | 360 x 360 pixel |
| Pixel density | — | — |
| Customizable watchface | Yes | Yes |
| Input type | 2 Physical buttons, Physical rotating bezel, Touchscreen | 2 Physical buttons, Physical rotating bezel, Touchscreen |
| Always-On | Yes | Yes |
| BODY | BODY | BODY |
| Shape | Circular | Circular |
| Case material | Stainless steel | Stainless steel |
| Strap material | Leather, Silicone | Leather, Silicone |
| Bezel material | Stainless steel | Stainless steel |
| Strap size | 22 mm | 20 mm |
| Color | Silver | Midnight black, Rose-gold |
| Screen protection | Corning Gorilla glass DX+ | Corning Gorilla glass DX+ |
| Dimension | 46 x 49 x 13 mm | 41.9 x 45.7 x 12.7 mm |
| Weight | 63 grams (excluding straps) | 49g (excluding straps) |
| Waterproof rating | Yes, 5ATM | Yes, 5ATM |
| Swim-proof | Yes, recommended | Yes, recommended |
| Durability test | MIL-STD-810G | MIL-STD-810G |
| CONNECTIVITY | CONNECTIVITY | CONNECTIVITY |
| Bluetooth calling | Yes | Yes |
| Bluetooth | Yes, Bluetooth v4.2 LE | Yes, Bluetooth v4.2 LE |
| Wi-Fi | Yes, Wi-Fi 802.11 a/b/g/n/ac | Yes, Wi-Fi 802.11 a/b/g/n/ac |
| NFC | Yes | Yes |
| MEMORY | MEMORY | MEMORY |
| RAM | 0.75GB | 0.75GB |
| ROM | 4GB | 4GB |
| Memory card slot | No | No |
| CELLULAR | CELLULAR CONNECTIVITY | CELLULAR CONNECTIVITY |
| Network technology | None | None |
| SIM type | None | None |
| NOTIFICATIONS | NOTIFICATIONS | NOTIFICATIONS |
| SMS alert | Yes | Yes |
| Calls alert | Yes | Yes |
| Email alert | Yes | Yes |
| Event reminder | Yes | Yes |
| MEDIA | MEDIA | MEDIA |
| Audio | mp3/mp4 | mp3/mp4 |
| Microphone | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Bluetooth music | Yes | Yes |
| Camera | No | No |
| SENSORS | SENSORS | SENSORS |
| GPS | Galileo, Yes, GPS/GLONASS/BEIDOU | Galileo, Yes, GPS/GLONASS/BEIDOU |
| Accelerometer | Yes | Yes |
| HRM | Yes | Yes |
| Gyroscope | Yes | Yes |
| Pulse Ox. | No | No |
| Altimeter | No | No |
| Barometer | Yes | Yes |
| Compass | — | — |
| ECG | No | No |
| Thermometer | No | No |
| Ambient light | Yes | Yes |
| ACTIVITY TRACKING | ACTIVITY TRACKING | ACTIVITY TRACKING |
| Steps | Yes | Yes |
| Calories | Yes | Yes |
| Distance | Yes | Yes |
| Heart rate monitoring | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Floors climbed | Yes | Yes |
| Blood oxygen | No | No |
| Blood Pressure | No | No |
| Stress | Yes | Yes |
| ECG tracking | No | No |
| Fall detection | No | No |
| Menstrual cycle | No | No |
| VO2 Max | Yes | Yes |
| Onscreen workout | No | No |
| Preloaded sport modes | 39 | 39 |
| BATTERY | BATTERY | BATTERY |
| Battery type | Non-removable Li-ion battery | Non-removable Li-ion battery |
| Battery capacity | 472mAh | 270mAh |
| Battery life | Regular usage: 3 days+, Standby:10 days+ | Regular usage: 3 days+, Standby:10 days+ |
| Charging type | WPC based wireless charging | WPC based wireless charging |
| Charging duration | 1-2 hours | 1-2 hours |
| Solar power | No | No |
| PLATFORM | PLATFORM | PLATFORM |
| Operating system | Tizen OS 4.0 | Tizen OS 4.0 |
| Chipset | Exynos 9110 | Exynos 9110 |
| CPU | Dual core 1.15GHz | Dual core 1.15GHz |
| GPU | — | — |
| MISC | MISC | MISC |
| Companion app | Samsung Gear app, Samsung Health App | Samsung Gear app, Samsung Health App |
| Compatibility | Android 5.0+ & RAM 1.5GB+, iPhone 5+ and iOS 9.0+ | Android 5.0+ & RAM 1.5GB+, iPhone 5+ and iOS 9.0+ |
| Payment system | Samsung Pay | Samsung Pay |
| Customizable strap | Yes | Yes |
| Voice Assistant | Yes, Bixby | Yes, Bixby |
| Find my phone | Yes | Yes |
| Box content | Charger, Manual, Samsung Galaxy Watch, Straps | Charger, Manual, Samsung Galaxy Watch, Straps |
| Price |
Samsung Galaxy Watch 46mm vs 42mm: The Differences
The difference between the 46mm and 42mm is basically the sizes and battery life. The 46mm is bulkier, weighs a little more, and is also thicker than the 42mm. Moreover, the 46mm with bigger battery capacity and from actual test has a longer battery life than the 42mm. While you can get up to 4 days with the 46mm, it’s about 2 days+ with the 42mm on light usage.
Also, while you can get the 46mm in silver color, the 42mm is available in midnight black and rose-gold colors. Beyond these differences, each of these two has the same features
Galaxy Watch (46mm) | Galaxy Watch (42mm) | |
Display Size | 1.3 inches | 1.2 inches |
Dimension | 46 x 49 x 13 mm | 41.9 x 45.7 x 12.7 mm |
Strap Size | 22mm | 20mm |
Weight | 63 grams | 49 grams |
Colors | Silver and Black | Midnight black and Rose-gold |
Battery Capacity | 472mAh (46mm) | 270mAh (42mm) |
Battery Life with Always-on | 3 Days+ | 3 Days |
Which Should You Buy?
Obviously, the 46mm will make a perfect fit for men and anu=yone with a fat wrist, while the 42mm will make a nice fit for women and anyone with thin wrist.
Available Best Prices
Ebay.com
Ebay.com
Flipkart
Newegg.com