Apple Watch Series 7 (45mm) vs Apple Watch SS (42mm)

Apple Watch Series 7 (45mm) $429
Apple Watch SS (42mm) $599
Base Price (MSRP)
$429
Base Price (MSRP)
$599
CPU
S7
CPU
S1
GPU
S7
GPU
PowerVR SGX543 S1
Memory
1GB
Memory
512MB
Storage
32GB
Storage
8GB
Display
1.9" LTPO OLED 484x396 Touch
Display
1.5" OLED 390x312 Touch
S7
2 Cores
2 Threads
1.8GHz Clock
S1
1 Core
1 Thread
0.52GHz Clock
N/A
0%
N/A
0%
N/A
0%
N/A
0%
S7
128 Shaders
675MHz
Shared Memory
PowerVR SGX543 S1
16 Shaders
200MHz
Shared Memory
N/A
0%
FP32 0.17 TFLOPS
0%
N/A
0%
FP32 0.01 TFLOPS
0%
1GB
512MB
Unknown # Tabs
0%
Unknown # Tabs
0%
32GB
8GB
Unknown # min 4K Video
0%
Unknown # min 4K Video
0%
No Optical Drive
No Optical Drive
-
-
1.9"
LTPO OLED
Always On
1.5"
OLED
-
-
1,000 Nits Peak
-
500 Nits Peak
60Hz
Variable
60Hz
-
484x396
0.2 Million Pixels
329 PPI
390x312
0.1 Million Pixels
326 PPI
-
-
1,000,000:1 Contrast
-
-
100,000:1 Contrast
Touch
Capacitive
Touch
Capacitive
No Cameras
-
-
-
-
-
-
-
No Cameras
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Not Included
Not Included
Not Included
Not Included
Not Included
Not Included
Not Included
Not Included
No Biometrics
No Biometrics
1
1
1
1
No Cellular
Cellular
No Cellular
Wi-Fi 4E (802.11n)
1 Stream
Up to 150Mbps
Wi-Fi 4 (802.11n)
1 Stream
Up to 72Mbps
Bluetooth 5.0
Bluetooth 4.0
Motion
Accelerometer
Gyroscope
Altimeter
-
Motion
Accelerometer
Gyroscope
Altimeter
-
Health
Optical Heart
Electrical Heart
Blood Oxygen
-
-
Health
Optical Heart
-
-
-
-
Utility
Proximity
Ambient Light
-
-
-
-
-
-
Utility
Proximity
Ambient Light
-
-
-
-
-
-
Communication
NFC
-
Ultra-Wideband Chip
Communication
NFC
-
-
Location
GPS
-
GLONASS
Galileo
QZSS
Beidou
-
Compass
-
-
-
-
-
-
-
-
-
Integrated Chipset
Integrated Chipset
No Ports
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
External
External
Not Included
-
-
Not Included
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.2Wh
309mAh
3.85V
Lithium-Ion
-
0.9Wh
246mAh
3.78V
Lithium-Ion
-
Up to 18 Hours
Up to 18 Hours
Charge Time
-
-
Up to 80% in 45 min
-
-
-
-
-
-
watchOS
watchOS
Build Material
Aluminum, Glass
IP6X
Up to 50m Water Resistant
Build Material
Stainless Steel, Sapphire
IPX7
Up to 1m Water Resistant
-
-
-
-
-
-
-
-
Proprietary Wireless Charging
-
-
Proprietary Wireless Charging
-
-
-
-
-
-
-
-
-
-
Height
45 mm (1.8 in)
Width
38 mm (1.5 in)
Depth
10.7 mm (0.4 in)
Volume
0.018 L
Height
42 mm (1.7 in)
Width
35.9 mm (1.4 in)
Depth
10.5 mm (0.4 in)
Volume
0.016 L
Weight
39 g (1.38 oz)
-
-
-
-
Weight
50 g (1.76 oz)
-
-
-
-
CPU
Not Upgradable
CPU
Not Upgradable
GPU
Not Upgradable
GPU
Not Upgradable
Memory
Not Upgradable
Memory
Not Upgradable
Storage
Not Upgradable
Storage
Not Upgradable
Wi-Fi
Not Upgradable
Wi-Fi
Not Upgradable
Motherboard
Not Upgradable
Motherboard
Not Upgradable
Power Supply
Not Upgradable
Power Supply
Not Upgradable
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Change Comparison