Apple Watch Series 10 (46mm) vs Apple Watch Ultra 3 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 10 (46mm) | Apple Watch Ultra 3 | 
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                                    Released
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                                                Sep 20, 2024
                                    
             
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                                    Released
                     · 
                
                
                                                Sep 19, 2025
                                    
             
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                                                1.7-inch · 496x416px
                                    
             
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                                                1.9-inch · 502x410px
                                    
             
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                                                1GB · 64GB
                                    
             
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                                                1GB · 64GB
                                    
             
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                                                327 mAh
                                    
             
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| Check prices | Check prices | 
Availability
| Officially announced | |
|---|---|
| Sep 09, 2025 | |
| Prices (MSRP) | |
| $799 | |
Design
| Dimensions | |
|---|---|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 1.81 x 1.54 x 0.38 inches  46 x 39 x 9.7 mm  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1.93 x 1.73 x 0.47 inches  49 x 44 x 12 mm  | 
        
                                    
| Weight | |
| 1.28 oz / 36.4 g | 2.17 oz / 61.6 g | 
| Materials | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Back: Ceramic Frame: Aluminum  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Back: Ceramic Frame: Titanium  | 
        
                                    
| Resistance | |
| Water, Dust; IP6X | Water, Dust; IP6X; MIL-STD-810 certified | 
| Colors | |
| Natural, Black | |
Display
| Size | |
|---|---|
| 1.7-inch | 1.9-inch | 
| Type | |
| OLED, 2000 nits | OLED, 3000 nits | 
| Resolution | |
| 496x416px, 383 PPI | 502x410px, 338 PPI | 
| Protection | |
| Sapphire | |
Hardware
| System chip | |
|---|---|
| Apple S10 | Apple S10 | 
| Processor | |
| Dual-core | Dual-core | 
| GPU | |
| PowerVR | PowerVR | 
| Memory | |
| 1GB/64GB | 1GB/64GB | 
| Storage expansion | |
| not expandable | not expandable | 
| OS | |
| watchOS (10.x) | watchOS (10.x) | 
Battery
| Type | |
|---|---|
| 327 mAh, Li - Ion | Li - Ion | 
| Charging | |
| Qi wireless charging | Qi wireless charging | 
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.3 | 5.3 | 
| WLAN | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 b,g,n 802.11 b, g, n  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 a,b,g,n,ac 802.11 b, g, n  | 
| Sensors | |
| Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen | Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen | 
| Location | |
| A-GPS, Glonass, Galileo, BeiDou | A-GPS, Glonass, Galileo, BeiDou, QZSS | 
| Other | |
| NFC, Ultra Wideband (UWB) | NFC, Ultra Wideband (UWB) | 
Multimedia
| Speakers | |
|---|---|
| Loudspeaker | Multiple speakers | 
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 25, 26, 66 | 
| 4G (TDD) Bands | |
| 39, 40, 41 | 39, 40, 41 | 
| 3G Bands | |
| 1, 2, 4, 5 | 1, 2, 4, 5 | 
| Data Speed | |
| LTE, HSDPA+ (4G) 42.2 Mbit/s | LTE-A, HSDPA+ (4G) 42.2 Mbit/s | 
| SIM type | |
| eSIM | eSIM | 
Alternative variants
GPS Only
                                    | Weight | 1.28 oz / 36.4 g | 
|---|---|
With Titanium frame
                                    | Weight | 1.47 oz / 41.7 g | 
|---|---|
| Materials | Frame: Titanium | 
Discover more
                        
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