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

Summary

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

Highlights

Peak OPS

Peak OPS FP32 FP16

Apple Watch Ultra 2112.6 GFLOPS FP16S9

x1.96

Apple Watch Series 357.6 GFLOPS FP16PowerVR GX6250 S3

x1

Show Top Score

System Arch

CPU

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

GPU

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

Memory

2GB

768MB

Storage

64GB

16GB

Display

1.99" LTPO2 OLED502x410 1600Nits 60Hz Size Res 2"	1.53" OLED390x312 1000Nits 60Hz Size Res 1.5"
Panel & HDR LTPO2 OLED	Panel & HDR OLED
Brightness 1600 nits 3000 nits Peak	Brightness 1000 nits Peak
Refresh & VRR 60Hz Variable Refresh	Refresh & VRR 60Hz
Resolution 502x410 205.8K Pixels 326 ppi	Resolution 390x312 121.7K Pixels 326 ppi
Backlight & Contrast 205.8K zones 2M:1 contrast	Backlight & Contrast 121.7K zones 1M: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 36 hours	Up to 18 hours
Charge Time 0-80%: 45 min	Charge Time -
2.17Wh 564mAh 3.85V Lithium-Ion	1.34Wh 352mAh 3.81V Lithium-Ion

Connectivity

Wi-Fi 4E Bluetooth 5.3

Wi-Fi 4 Bluetooth 4.2

Cellular

Cellular

No Cellular

Sensors

Motion Accelerometer Gyroscope	Motion Accelerometer Gyroscope
Health Optical Heart (PPG) Electrical Heart (ECG) Blood Oxygen (SpO2) Skin Temperature	Health Optical Heart (PPG) - - -
Utility Proximity Ambient Light (ALS)	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 -

Power

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

Audio

Speakers 2	Speakers 1
Microphones 3	Microphones 1

OS

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

Enclosure

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

Info

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

Images