Apple Watch Series 8 SS (45mm) vs Apple Watch SS (38mm)

Apple Watch Series 8 SS (45mm) $749
Apple Watch SS (38mm) $549
Base Price (MSRP)
$749
Base Price (MSRP)
$549
CPU
S8
CPU
S1
GPU
S8
GPU
PowerVR SGX543 S1
Memory
1GB
Memory
512MB
Storage
32GB
Storage
8GB
Display
1.9" LTPO OLED 484×396 Touch
Display
1.3" OLED 340×272 Touch

FP32

  • 27.03x faster vs Apple Watch SS (38mm)
  • 96% slower vs Apple Watch Series 8 SS (45mm)
Apple Watch Series 8 SS (45mm) - 173 GFLOPS FP32
x27.03
Apple Watch SS (38mm) - 6.4 GFLOPS FP32
x1
CPU Image
S8
2 Cores
2 Threads
1.8GHz Clock
CPU Image
S1
1 Core
1 Thread
520MHz Clock
S8 vs S1 Full Specs Comparison
GPU Image
S8
128 Shaders
675MHz
Shared Memory
GPU Image
PowerVR SGX543 S1
16 Shaders
200MHz
Shared Memory
173 GFLOPS FP32
0%
6.4 GFLOPS FP32
0%
S8 vs PowerVR SGX543 S1 Full Specs Comparison
1GB
512MB
32GB
8GB
1.9"
LTPO OLED
Always On
1.3"
OLED
-
1.9"
1.3"
Area
1.8 in² (11.4 cm²)
null Aspect Ratio
Area
0.9 in² (5.7 cm²)
null Aspect Ratio
Brightness
1,000 Nits Peak
Brightness
500 Nits Peak
Refresh Rate
60Hz
Variable
Refresh Rate
60Hz
-
Resolution
484×396
0.2 Million Pixels
329 PPI
Resolution
340×272
0.1 Million Pixels
326 PPI
484×396
340×272
1,000,000:1 Contrast
100,000:1 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
484×396
340×272
No Biometrics
No Biometrics
1
1
1
1
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
Utility
Proximity
Ambient Light (ALS)
-
Communication
NFC
Ultra-Wideband Chip
Communication
NFC
-
Location
GPS
GLONASS
Galileo
QZSS
Beidou
Compass
-
-
-
-
-
-
-
Integrated Chipset
Integrated Chipset
External
External
1.2Wh
308mAh
3.85V
Lithium-Ion
0.8Wh
205mAh
3.80V
Lithium-Ion
Up to 18 Hours
Up to 18 Hours
Charge Time
45 min 80%
-
-
watchOS
watchOS
Build Material
Stainless Steel, Sapphire
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
38.6 mm (1.5 in)
Width
33.3 mm (1.3 in)
Depth
10.5 mm (0.4 in)
Volume
0.013 L
Weight
52 g (1.83 oz)
Weight
40 g (1.41 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