Apple Watch Series 3 (38mm) vs Apple Watch Series 4 SS (40mm) Full Specs
CPU S32 Cores | CPU S42 Cores |
GPU PowerVR GX6250 S332 Shaders | GPU S464 Shaders |
Memory 0.768GB | Memory 1GB |
Storage 16GB | Storage 16GB |
Display 1.34" OLED340x272 1000Nits 60Hz Touch Glossy | Display 1.57" LTPO OLED394x324 1000Nits 60Hz Touch Glossy |
Other Upgrades | Other Upgrades |
Price $399 | Price $699 |
S3 | S4 |
2 Cores 2 Threads 780MHz | 2 Cores 2 Threads 1.59GHz |
PowerVR GX6250 S3 | S4 |
32 Shaders 450MHz | 64 Shaders 562MHz |
0.768GB | 1GB |
16GB | 16GB |
1.34" OLED340x272 1000Nits 60Hz Touch Glossy | 1.57" LTPO OLED394x324 1000Nits 60Hz Touch Glossy |
Panel & HDR OLED | Panel & HDR LTPO OLED |
Brightness 1000 nits Peak | Brightness 1000 nits Peak |
Refresh & VRR 60Hz | Refresh & VRR 60Hz
Variable Refresh |
Resolution 340x272
92.5K Pixels
325 ppi | Resolution 394x324
127.7K Pixels
325 ppi |
Backlight & Contrast 92.5K zones
1M:1 contrast | Backlight & Contrast 127.7K 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 |
1.07Wh 279mAh 3.84V Lithium-Ion | 0.86Wh 225mAh 3.82V Lithium-Ion |
Wi-Fi 4 Bluetooth 4.2 | Wi-Fi 4 Bluetooth 5.0 |
Motion Accelerometer Gyroscope | Motion Accelerometer Gyroscope |
Health Optical Heart (PPG) - | Health Optical Heart (PPG) Electrical Heart (ECG) |
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 4 | Launch OS iOS 5 |
Latest OS iOS 8 | Latest OS - |
Build Material Aluminum, Glass | Build Material Stainless Steel, Sapphire |
Height 38.6 mm (1.52")Width 33.3 mm (1.31")Depth 11.4 mm (0.45") | Height 40 mm (1.57")Width 34 mm (1.34")Depth 10.7 mm (0.42") |
Weight 0.03 kg | Weight 0.04 kg |
Volume 0.015 L | Volume 0.015 L |
Release Date 2017-09-22 | Release Date 2018-09-21 |
Warranty 1 year | Warranty 1 year |
Description 38mm | Description 40mm |