Apple Watch Series 9 (45mm) vs Apple Watch Series 4 SS (40mm)
Apple Watch Series 9
(45mm)
$429
Apple Watch Series 4 SS
(40mm)
$699
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Base Price (MSRP)
$429
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Base Price (MSRP)
$699
|
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CPU
S9
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CPU
S4
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GPU
S9
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GPU
S4
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Memory
1GB
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Memory
1GB
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Storage
64GB
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Storage
16GB
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Display
1.9" LTPO OLED 484×396 Touch
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Display
1.6" LTPO OLED 394×324 Touch
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N/A
0%
225 GFLOPS FP32
0%
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N/A
0%
144 GFLOPS FP32
0%
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1GB
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1GB
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Unknown # Tabs
0%
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Unknown # Tabs
0%
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64GB
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16GB
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58 min 4K Video
1%
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Unknown # min 4K Video
0%
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No Optical Drive
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No Optical Drive
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-
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1.9"
LTPO OLED
-
Always On
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1.6"
LTPO OLED
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Area
1.8 in² (11.4 cm²)
null Aspect Ratio
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Area
1.2 in² (7.8 cm²)
null Aspect Ratio
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Brightness
1,000 Nits
2,000 Nits Peak
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Brightness
-
1,000 Nits Peak
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Refresh Rate
60Hz
Variable
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Refresh Rate
60Hz
Variable
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Resolution
484×396
0.2 Million Pixels
329 PPI
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Resolution
394×324
0.1 Million Pixels
325 PPI
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1,000,000:1 Contrast
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-
1,000,000:1 Contrast
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Viewing Angles
178° Horizontal
178° Vertical
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Viewing Angles
178° Horizontal
178° Vertical
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Colour Depth
8-bit
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Colour Depth
8-bit
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Fully Laminated
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Fully Laminated
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Touch
Capacitive
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Touch
Capacitive
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No Cameras
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No Cameras
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Not Included
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Not Included
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Not Included
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Not Included
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Not Included
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Not Included
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Not Included
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Not Included
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No Biometrics
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No Biometrics
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1
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1
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1
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1
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No Cellular
Cellular
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Cellular
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Wi-Fi 4E (802.11n)
1 Stream
Up to 150Mbps
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Wi-Fi 4 (802.11n)
1 Stream
Up to 72Mbps
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Bluetooth 5.3
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Bluetooth 5.0
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Motion
Accelerometer
Gyroscope
Altimeter
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Motion
Accelerometer
Gyroscope
Altimeter
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Health
Optical Heart
Electrical Heart
Blood Oxygen
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Skin Temperature
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Health
Optical Heart
Electrical Heart
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Utility
Proximity
Ambient Light
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Crash Detection
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Utility
Proximity
Ambient Light
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Communication
NFC
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Ultra-Wideband Chip
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Communication
NFC
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Location
GPS
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GLONASS
Galileo
QZSS
Beidou
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Compass
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Location
GPS
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GLONASS
Galileo
QZSS
Beidou
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Integrated Chipset
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Integrated Chipset
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No Ports
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No Ports
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External
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External
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Not Included
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Not Included
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1.2Wh
308mAh
3.85V
Lithium-Ion
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0.9Wh
225mAh
3.82V
Lithium-Ion
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Up to 18 Hours
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Up to 18 Hours
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Charge Time
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-
45 min 80%
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watchOS
|
watchOS
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Build Material
Aluminum, Glass
IP6X
Up to 50m Water Resistant
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Build Material
Stainless Steel, Sapphire
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Up to 50m Water Resistant
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Proprietary Wireless Charging
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Proprietary Wireless Charging
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Height
45 mm (1.8 in)
Width
38 mm (1.5 in)
Depth
10.7 mm (0.4 in)
Volume
0.018 L
|
Height
40 mm (1.6 in)
Width
34 mm (1.3 in)
Depth
10.7 mm (0.4 in)
Volume
0.015 L
|
|
Weight
39 g (1.38 oz)
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Weight
40 g (1.41 oz)
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CPU
Not Upgradable
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CPU
Not Upgradable
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GPU
Not Upgradable
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GPU
Not Upgradable
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Memory
Not Upgradable
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Memory
Not Upgradable
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Storage
Not Upgradable
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Storage
Not Upgradable
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Wi-Fi
Not Upgradable
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Wi-Fi
Not Upgradable
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Motherboard
Not Upgradable
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Motherboard
Not Upgradable
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Power Supply
Not Upgradable
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Power Supply
Not Upgradable
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