Apple Watch Series 3 (42mm) vs Apple Watch Ultra 2 (49mm) Full Specs

Summary

CPU S32 Cores	CPU S92 Cores
GPU PowerVR GX6250 S332 Shaders	GPU S9128 Shaders
Memory 768MB	Memory 2GB
Storage 16GB	Storage 64GB
Display 1.53" OLED390x312 1000Nits 60Hz	Display 1.99" LTPO2 OLED502x410 1600Nits 60Hz
Other Upgrades No Cellular	Other Upgrades -
Price $429 MAX	Price $799

Highlights

Peak OPS

Peak OPS FP32 FP16

Apple Watch Series 357.6 GFLOPS FP16PowerVR GX6250 S3

x1

Apple Watch Ultra 2112.6 GFLOPS FP16S9

x1.96

Show Top Score

System Arch

CPU

S3	S9
2 Cores 2 Threads 780MHz	2 Cores 2 Threads 2.02GHz

GPU

PowerVR GX6250 S3	S9
32 Shaders 450MHz	128 Shaders 440MHz
Shared Memory	Shared Memory
Peak·FP32·FP16 57.6 GFLOPSFP16	Peak·FP32·FP16 112.6 GFLOPSFP16

Memory

768MB

2GB

Storage

16GB

64GB

Display

1.53" OLED390x312 1000Nits 60Hz Size Res 1.5"	1.99" LTPO2 OLED502x410 1600Nits 60Hz Size Res 2"
Panel & HDR OLED	Panel & HDR LTPO2 OLED
Brightness 1000 nits Peak	Brightness 1600 nits 3000 nits Peak
Refresh & VRR 60Hz	Refresh & VRR 60Hz Variable Refresh
Resolution 390x312 121.7K Pixels 326 ppi	Resolution 502x410 205.8K Pixels 326 ppi
Backlight & Contrast 121.7K zones 1M:1 contrast	Backlight & Contrast 205.8K zones 2M:1 contrast
Viewing Angles 178° H 178° V	Viewing Angles 178° H 178° V
Color Depth 8-bit	Color Depth 8-bit
Coating & Lamination Fully Laminated	Coating & Lamination Fully Laminated
Touchscreen Yes	Touchscreen Yes

Battery

Up to 18 hours	Up to 36 hours
Charge Time -	Charge Time 0-80%: 45 min
1.34Wh 352mAh 3.81V Lithium-Ion	2.17Wh 564mAh 3.85V Lithium-Ion

Connectivity

Wi-Fi 4 Bluetooth 4.2

Wi-Fi 4E Bluetooth 5.3

Cellular

No Cellular

Cellular

Sensors

Motion Accelerometer Gyroscope	Motion Accelerometer Gyroscope
Health Optical Heart (PPG) - - -	Health Optical Heart (PPG) Electrical Heart (ECG) Blood Oxygen (SpO2) Skin Temperature
Utility Proximity Ambient Light (ALS)	Utility Proximity Ambient Light (ALS)
Communication NFC -	Communication NFC Ultra-Wideband Chip
Location GPS GLONASS Galileo QZSS Beidou -	Location GPS GLONASS Galileo QZSS Beidou Compass

Power

Charger 5W USB-A	-
Output 5W 5.00V 1.00A	Output -
Input 0.15A	Input -
Protocol & Port USB-A	Protocol & Port -
USB-PD 1.00A 5V (5W)	USB-PD -

Audio

Speakers 1	Speakers 2
Microphones 1	Microphones 3

OS

Launch OS iOS 4	Launch OS iOS 10
Latest OS iOS 8	Latest OS -

Enclosure

Build Material Aluminum, Glass	Build Material Titanium, Sapphire
Height 42.5mm (1.67") Width 36.4mm (1.43") Depth 11.4mm (0.45")	Height 49mm (1.93") Width 44mm (1.73") Depth 14.4mm (0.57")
Weight 35g	Weight 61g
Volume 0.018L	Volume 0.031L

Info

Release Date 2017-09-22	Release Date 2023-09-12
Warranty 1 year	Warranty 1 year
Description 42mm	Description 49mm

Images