Apple Watch Series 3 (38mm) vs Apple Watch Series 7 SS (41mm) Full Specs
CPU S32 Cores | CPU S72 Cores |
GPU PowerVR GX6250 S332 Shaders | GPU S764 Shaders |
Memory 0.768GB | Memory 1.5GB |
Storage 16GB | Storage 32GB |
Display 1.34" OLED340x272 1000Nits 60Hz Touch Glossy | Display 1.69" LTPO OLED430x352 1000Nits 60Hz Touch Glossy |
Other Upgrades | Other Upgrades |
Price $399 | Price $699 |
S3 | S7 |
2 Cores 2 Threads 780MHz | 2 Cores 2 Threads 1.73GHz |
PowerVR GX6250 S3 | S7 |
32 Shaders 450MHz | 64 Shaders 675MHz |
0.768GB | 1.5GB |
16GB | 32GB |
1.34" OLED340x272 1000Nits 60Hz Touch Glossy | 1.69" LTPO OLED430x352 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 430x352
151.4K Pixels
329 ppi |
Backlight & Contrast 92.5K zones
1M:1 contrast | Backlight & Contrast 151.4K 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 |
Charge Time - | Charge Time 0-80%: 45 min |
1.07Wh 279mAh 3.84V Lithium-Ion | 1.09Wh 284mAh 3.84V Lithium-Ion |
Wi-Fi 4 Bluetooth 4.2 | Wi-Fi 4E Bluetooth 5.0 |
Motion Accelerometer Gyroscope | Motion Accelerometer Gyroscope |
Health Optical Heart (PPG) - - | Health Optical Heart (PPG) Electrical Heart (ECG) Blood Oxygen (SpO2) |
Utility Proximity Ambient Light (ALS) | Utility Proximity Ambient Light (ALS) |
Communication NFC - | Communication NFC Ultra-Wideband Chip |
Location GPS GLONASS Galileo QZSS Beidou - | Location GPS GLONASS Galileo QZSS Beidou Compass |
Charger 5W USB-A | - |
Output 5W
5.00V
1.00A | Output - |
Input 0.15A | Input - |
Protocol & Port USB-A | Protocol & Port - |
USB-PD 1.00A 5V (5W) | USB-PD - |
Speakers 1 | Speakers 1 |
Microphones 1 | Microphones 1 |
Launch OS iOS 4 | Launch OS iOS 8 |
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 41 mm (1.61")Width 35 mm (1.38")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 2021-10-15 |
Warranty 1 year | Warranty 1 year |
Description 38mm | Description 41mm |