Apple Watch Series 4 (44mm) vs Apple Watch Series 3 Edition (42mm) Full Specs
CPU S42 Cores | CPU S32 Cores |
GPU S464 Shaders | GPU PowerVR GX6250 S332 Shaders |
Memory 1GB | Memory 0.768GB |
Storage 16GB | Storage 16GB |
Display 1.78" LTPO OLED448x368 1000Nits 60Hz Touch Glossy | Display 1.53" OLED390x312 1000Nits 60Hz Touch Glossy |
Other Upgrades | Other Upgrades |
Price $429 | Price $1,349 |
S4 | S3 |
2 Cores 2 Threads 1.59GHz | 2 Cores 2 Threads 780MHz |
S4 | PowerVR GX6250 S3 |
64 Shaders 562MHz | 32 Shaders 450MHz |
1GB | 0.768GB |
16GB | 16GB |
1.78" LTPO OLED448x368 1000Nits 60Hz Touch Glossy | 1.53" OLED390x312 1000Nits 60Hz Touch Glossy |
Panel & HDR LTPO OLED | Panel & HDR OLED |
Brightness 1000 nits Peak | Brightness 1000 nits Peak |
Refresh & VRR 60Hz
Variable Refresh | Refresh & VRR 60Hz |
Resolution 448x368
164.9K Pixels
326 ppi | Resolution 390x312
121.7K Pixels
326 ppi |
Backlight & Contrast 164.9K zones
1M:1 contrast | Backlight & Contrast 121.7K zones
1M:1 contrast |
Viewing Angles 178° H
178° V | Viewing Angles 178° H
178° V |
Color Depth 8-bit | Color Depth 8-bit |
Coating & Lamination Fully Laminated | Coating & Lamination Fully Laminated |
Touchscreen Yes | Touchscreen Yes |
Up to 18 hours | Up to 18 hours |
1.13Wh 292mAh 3.87V Lithium-Ion | 1.34Wh 352mAh 3.81V Lithium-Ion |
Wi-Fi 4 Bluetooth 5.0 | Wi-Fi 4 Bluetooth 4.2 |
Motion Accelerometer Gyroscope | Motion Accelerometer Gyroscope |
Health Optical Heart (PPG) Electrical Heart (ECG) | Health Optical Heart (PPG) - |
Utility Proximity Ambient Light (ALS) | Utility Proximity Ambient Light (ALS) |
Communication NFC | Communication NFC |
Location GPS GLONASS Galileo QZSS Beidou | Location GPS GLONASS Galileo QZSS Beidou |
Charger 5W USB-A | Charger 5W USB-A |
Output 5W
5.00V
1.00A | Output 5W
5.00V
1.00A |
Input 0.15A | Input 0.15A |
Protocol & Port USB-A | Protocol & Port USB-A |
USB-PD 1.00A 5V (5W) | USB-PD 1.00A 5V (5W) |
Speakers 1 | Speakers 1 |
Microphones 1 | Microphones 1 |
Launch OS iOS 5 | Launch OS iOS 4 |
Latest OS - | Latest OS iOS 8 |
Build Material Aluminum, Glass | Build Material Ceramic, Sapphire |
Height 44 mm (1.73")Width 38 mm (1.5")Depth 10.7 mm (0.42") | Height 42.6 mm (1.68")Width 36.5 mm (1.44")Depth 11.8 mm (0.46") |
Weight 0.04 kg | Weight 0.05 kg |
Volume 0.018 L | Volume 0.018 L |
Release Date 2018-09-21 | Release Date 2017-09-22 |
Warranty 1 year | Warranty 1 year |
Description 44mm | Description 42mm |