Apple Watch Series 10 (42mm) vs Apple Watch Series 2 (38mm)

Apple Watch Series 10 (42mm) $399
Apple Watch Series 2 (38mm) $399
Base Price (MSRP)
$399
Base Price (MSRP)
$399
CPU
S10
CPU
S2
GPU
S10
GPU
PowerVR GX6240 S2
Memory
1GB
Memory
512MB
Storage
64GB
Storage
16GB
Display
1.8" LTPO3 OLED 446×374 Touch
Display
1.3" OLED 340×272 Touch

FP32

  • 3.91x faster vs Apple Watch Series 2 (38mm)
  • 74% slower vs Apple Watch Series 10 (42mm)
Apple Watch Series 10 (42mm) - 225 GFLOPS FP32
x3.91
Apple Watch Series 2 (38mm) - 57.6 GFLOPS FP32
x1
CPU Image
S10
2 Cores
2 Threads
1.2GHz Clock
CPU Image
S2
2 Cores
2 Threads
520MHz Clock
S10 vs S2 Full Specs Comparison
GPU Image
S10
256 Shaders
440MHz
Shared Memory
GPU Image
PowerVR GX6240 S2
64 Shaders
450MHz
Shared Memory
225 GFLOPS FP32
0%
57.6 GFLOPS FP32
0%
S10 vs PowerVR GX6240 S2 Full Specs Comparison
1GB
512MB
64GB
16GB
58 min 4K Video
1%
Unknown # min 4K Video
0%
1.8"
LTPO3 OLED
Always On
1.3"
OLED
-
1.8"
1.3"
Area
1.6 in² (10.2 cm²)
null Aspect Ratio
Area
0.9 in² (5.7 cm²)
null Aspect Ratio
Brightness
1,000 Nits
2,000 Nits Peak
Brightness
-
1,000 Nits Peak
Refresh Rate
60Hz
Variable
Refresh Rate
60Hz
-
Resolution
446×374
0.2 Million Pixels
325 PPI
Resolution
340×272
0.1 Million Pixels
326 PPI
446×374
340×272
1,000,000:1 Contrast
1,000,000:1 Contrast
Viewing Angles
178° Horizontal
178° Vertical
Viewing Angles
178° Horizontal
178° Vertical
Colour Depth
8-bit
Colour Depth
8-bit
-
Fully Laminated
-
Fully Laminated
Touch
Capacitive
Touch
Capacitive
446×374
340×272
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 5.3
Bluetooth 4.0
Motion
Accelerometer
Gyroscope
Altimeter
Motion
Accelerometer
Gyroscope
Altimeter
Health
Optical Heart (PPG)
Electrical Heart (ECG)
Blood Oxygen (SpO2)
Skin Temperature
Health
Optical Heart (PPG)
-
-
-
Utility
Proximity
Ambient Light (ALS)
Crash Detection
Depth Gauge
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
-
Integrated Chipset
Integrated Chipset
External
External
No Battery
-
3.85V
Lithium-Ion
1Wh
273mAh
3.77V
Lithium-Ion
Up to 18 Hours
Up to 18 Hours
Charge Time
30 min 80%
-
-
watchOS
watchOS
Build Material
Aluminum, Glass
IP6X
Up to 50m Water Resistant
Build Material
Aluminum, Glass
-
Up to 50m Water Resistant
Proprietary Wireless Charging
Proprietary Wireless Charging
Height
42 mm (1.7 in)
Width
36 mm (1.4 in)
Depth
9.7 mm (0.4 in)
Volume
0.015 L
Height
38.6 mm (1.5 in)
Width
33.3 mm (1.3 in)
Depth
11.4 mm (0.4 in)
Volume
0.015 L
Weight
30 g (1.06 oz)
Weight
30 g (1.06 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