Apple Watch Series 9 (45mm) vs Apple Watch Series 3 (42mm)

Apple Watch Series 9 (45mm) $429
Apple Watch Series 3 (42mm) $429
Base Price (MSRP)
$429
Base Price (MSRP)
$429
CPU
S9
CPU
S3
GPU
S9
GPU
PowerVR GX6250 S3
Memory
1GB
Memory
768MB
Storage
64GB
Storage
16GB
Display
1.9" LTPO OLED 484x396 Touch
Display
1.5" OLED 390x312 Touch
S9
2 Cores
2 Threads
1.2GHz Clock
S3
2 Cores
2 Threads
0.88GHz Clock
N/A
0%
N/A
0%
N/A
0%
N/A
0%
S9
256 Shaders
440MHz
Shared Memory
PowerVR GX6250 S3
64 Shaders
450MHz
Shared Memory
N/A
0%
FP32 0.23 TFLOPS
0%
N/A
0%
FP32 0.06 TFLOPS
0%
1GB
768MB
Unknown # Tabs
0%
Unknown # Tabs
0%
64GB
16GB
58 min 4K Video
1%
Unknown # min 4K Video
0%
No Optical Drive
No Optical Drive
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1.9"
LTPO OLED
Always On
1.5"
OLED
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1,000 Nits
2,000 Nits Peak
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1,000 Nits Peak
60Hz
Variable
60Hz
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484x396
0.2 Million Pixels
329 PPI
390x312
0.1 Million Pixels
326 PPI
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1,000,000:1 Contrast
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1,000,000:1 Contrast
Touch
Capacitive
Touch
Capacitive
No Cameras
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No Cameras
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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
Cellular
Wi-Fi 4E (802.11n)
1 Stream
Up to 150Mbps
Wi-Fi 4 (802.11n)
1 Stream
Up to 72Mbps
Bluetooth 5.3
Bluetooth 4.2
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
Health
Optical 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
Communication
NFC
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Location
GPS
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GLONASS
Galileo
QZSS
Beidou
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Compass
Location
GPS
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GLONASS
Galileo
QZSS
Beidou
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Integrated Chipset
Integrated Chipset
No Ports
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No Ports
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External
External
Not Included
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Not Included
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1.2Wh
308mAh
3.85V
Lithium-Ion
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1.3Wh
352mAh
3.81V
Lithium-Ion
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Up to 18 Hours
Up to 18 Hours
Charge Time
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Up to 80% in 45 min
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watchOS
watchOS
Build Material
Aluminum, Glass
IP6X
Up to 50m Water Resistant
Build Material
Aluminum, Glass
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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
42.5 mm (1.7 in)
Width
36.4 mm (1.4 in)
Depth
11.4 mm (0.4 in)
Volume
0.018 L
Weight
39 g (1.38 oz)
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Weight
35 g (1.23 oz)
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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
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Change Comparison