Apple Watch Series 9 (41mm) vs Apple Watch Series 4 (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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|
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| Apple Watch Series 9 (41mm) | Apple Watch Series 4 (40mm) |
|
Released
·
Sep 22, 2023
|
Released
·
September 2018
|
|
1.7-inch · 430x352px
|
1.6-inch · 394x324px
|
|
1GB · 64GB
|
1GB · 16GB
|
|
282 mAh
|
225 mAh
|
Availability
| Officially announced | |
|---|---|
| Sep 12, 2023 | |
Design
| Dimensions | |
|---|---|
| 1.61 x 1.38 x 0.42 inches 41 x 35 x 10.7 mm |
1.57 x 1.34 x 0.42 inches 40.0 x 34.0 x 10.7 mm |
| Weight | |
| 1.49 oz (42.3 g) | 1.06 oz (30.1 g) |
| Materials | |
| Back: Ceramic Frame: Aluminum | Frame: Aluminum |
| Resistance | |
| Water, Dust; IP6X | Water |
| Colors | |
| Midnight, Starlight, Green, Blue, Red | Silver, Black |
Display
| Size | |
|---|---|
| 1.7-inch, 63.01% screen-to-body | 1.6-inch, 57.48% screen-to-body |
| Type | |
| OLED, 1000 nits | OLED, 1000 nits |
| Resolution | |
| 430x352px, 329 PPI | 394x324px, 325 PPI |
| Protection | |
| Sapphire | |
| Features | |
| Pressure-sensitive, Scratch-resistant glass, Ambient light sensor | |
Hardware
| System chip | |
|---|---|
| Apple S9 | Apple S4 (7 nm) |
| Processor | |
| Dual-core | Dual-core |
| GPU | |
| PowerVR | Apple G11M |
| Memory | |
| 1GB/64GB | 1GB/16GB |
| Storage expansion | |
| not expandable | not expandable |
| OS | |
| watchOS (10.x) | watchOS (9.x, 8.x, 7.x, 6.x, 5) |
Battery
| Type | |
|---|---|
| 282 mAh, Li - Ion | 225 mAh |
| Charging | |
| Qi wireless charging | Magnetic charging |
Camera
Connectivity & Features
| Bluetooth | |
|---|---|
| Yes | 5.0 |
| WLAN | |
| b,g,n 802.11 b, g, n | b,g,n 802.11 b, g, n |
| Sensors | |
| Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen | Accelerometer, Gyroscope, Heart rate, Barometer, Ambient light sensor |
| Location | |
| A-GPS, Glonass, Galileo, BeiDou, QZSS | Glonass, Galileo, QZSS |
| Other | |
| NFC, Ultra Wideband (UWB) | NFC |
Multimedia
| Speakers | |
|---|---|
| Loudspeaker | Loudspeaker |
| Additional microphone(s) | |
| Yes | Noise cancellation |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 66 | |
| 4G (TDD) Bands | |
| 39, 40, 41 | |
| 3G Bands | |
| 1, 2, 4, 5 | |
| Data Speed | |
| LTE, HSDPA+ (4G) 42.2 Mbit/s | LTE, HSPA |
| SIM type | |
| eSIM | eSIM |
Alternative variants
With stainless steel case
| Weight | 1.40 oz (39.8 g) |
|---|---|
| Materials | Frame: Stainless steel |
Links
| Full specifications | |
|---|---|
| Apple Watch Series 9 (41mm) Specs | Apple Watch Series 4 (40mm) Specs |
| PhoneArena Review | |
| Apple Watch Series 9 (41mm) Review | |
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