Apple Watch Ultra (49mm) vs Apple Watch Series 3 SS (38mm)

Apple Watch Ultra (49mm) $799
Apple Watch Series 3 SS (38mm) $699
Base Price (MSRP)
$799
Base Price (MSRP)
$699
CPU
S8
CPU
S3
GPU
S8
GPU
PowerVR GX6250 S3
Memory
1GB
Memory
768MB
Storage
64GB
Storage
16GB
Display
2" LTPO OLED 502×410 Touch
Display
1.3" OLED 340×272 Touch

FP32

  • 3x faster vs Apple Watch Series 3 SS (38mm)
  • 67% slower vs Apple Watch Ultra (49mm)
Apple Watch Ultra (49mm) - 173 GFLOPS FP32
x3
Apple Watch Series 3 SS (38mm) - 57.6 GFLOPS FP32
x1
CPU Image
S8
2 Cores
2 Threads
1.8GHz Clock
CPU Image
S3
2 Cores
2 Threads
880MHz Clock
S8 vs S3 Full Specs Comparison
GPU Image
S8
128 Shaders
675MHz
Shared Memory
GPU Image
PowerVR GX6250 S3
64 Shaders
450MHz
Shared Memory
173 GFLOPS FP32
0%
57.6 GFLOPS FP32
0%
S8 vs PowerVR GX6250 S3 Full Specs Comparison
1GB
768MB
64GB
16GB
58 min 4K Video
1%
Unknown # min 4K Video
0%
2"
LTPO OLED
Always On
1.3"
OLED
-
2"
1.3"
Area
1.9 in² (12.5 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
502×410
0.2 Million Pixels
326 PPI
Resolution
340×272
0.1 Million Pixels
326 PPI
502×410
340×272
2,000,000:1 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
502×410
340×272
No Biometrics
No Biometrics
2
1
3
1
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
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
GPS L5
GLONASS
Galileo
QZSS
Beidou
Compass
Location
GPS
-
GLONASS
Galileo
QZSS
Beidou
-
Integrated Chipset
Integrated Chipset
External
External
2.1Wh
542mAh
3.85V
Lithium-Ion
1.1Wh
279mAh
3.84V
Lithium-Ion
Up to 36 Hours
Up to 18 Hours
Charge Time
45 min 80%
-
-
watchOS
watchOS
Build Material
Titanium, Sapphire
IP6X
Up to 100m Water Resistant
Build Material
Stainless Steel, Sapphire
-
Up to 50m Water Resistant
Proprietary Wireless Charging
Proprietary Wireless Charging
Height
49 mm (1.9 in)
Width
44 mm (1.7 in)
Depth
14.4 mm (0.6 in)
Volume
0.031 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
61 g (2.15 oz)
Weight
42 g (1.48 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