Apple Watch Series 7 SS (41mm) vs Apple Watch Series 3 (38mm) Full Specs
CPU S72 Cores | CPU S32 Cores |
GPU S764 Shaders | GPU PowerVR GX6250 S332 Shaders |
Memory 1.5GB | Memory 0.768GB |
Storage 32GB | Storage 16GB |
Display 1.69" LTPO OLED430x352 1000Nits 60Hz Touch Glossy | Display 1.34" OLED340x272 1000Nits 60Hz Touch Glossy |
Other Upgrades | Other Upgrades |
Price $699 | Price $399 |
S7 | S3 |
2 Cores 2 Threads 1.73GHz | 2 Cores 2 Threads 780MHz |
S7 | PowerVR GX6250 S3 |
64 Shaders 675MHz | 32 Shaders 450MHz |
1.5GB | 0.768GB |
32GB | 16GB |
1.69" LTPO OLED430x352 1000Nits 60Hz Touch Glossy | 1.34" OLED340x272 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 430x352
151.4K Pixels
329 ppi | Resolution 340x272
92.5K Pixels
325 ppi |
Backlight & Contrast 151.4K zones
1M:1 contrast | Backlight & Contrast 92.5K 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 0-80%: 45 min | Charge Time - |
1.09Wh 284mAh 3.84V Lithium-Ion | 1.07Wh 279mAh 3.84V Lithium-Ion |
Wi-Fi 4E Bluetooth 5.0 | Wi-Fi 4 Bluetooth 4.2 |
Motion Accelerometer Gyroscope | Motion Accelerometer Gyroscope |
Health Optical Heart (PPG) Electrical Heart (ECG) Blood Oxygen (SpO2) | Health Optical Heart (PPG) - - |
Utility Proximity Ambient Light (ALS) | Utility Proximity Ambient Light (ALS) |
Communication NFC Ultra-Wideband Chip | Communication NFC - |
Location GPS GLONASS Galileo QZSS Beidou Compass | Location GPS GLONASS Galileo QZSS Beidou - |
- | Charger 5W USB-A |
Output - | Output 5W
5.00V
1.00A |
Input - | Input 0.15A |
Protocol & Port - | Protocol & Port USB-A |
USB-PD - | USB-PD 1.00A 5V (5W) |
Speakers 1 | Speakers 1 |
Microphones 1 | Microphones 1 |
Launch OS iOS 8 | Launch OS iOS 4 |
Latest OS - | Latest OS iOS 8 |
Build Material Stainless Steel, Sapphire | Build Material Aluminum, Glass |
Height 41 mm (1.61")Width 35 mm (1.38")Depth 10.7 mm (0.42") | Height 38.6 mm (1.52")Width 33.3 mm (1.31")Depth 11.4 mm (0.45") |
Weight 0.04 kg | Weight 0.03 kg |
Volume 0.015 L | Volume 0.015 L |
Release Date 2021-10-15 | Release Date 2017-09-22 |
Warranty 1 year | Warranty 1 year |
Description 41mm | Description 38mm |