Apple Watch Series 9 (45mm) vs Apple Watch Series 6 (44mm) Full Specs

Summary

CPU S92 Cores	CPU S62 Cores
GPU S9128 Shaders	GPU S664 Shaders
Memory 2GB	Memory 1.5GB
Storage 64GB	Storage 32GB
Display 1.9" LTPO OLED484x396 1000Nits 60Hz	Display 1.78" LTPO OLED448x368 1000Nits 60Hz
Other Upgrades No Cellular	Other Upgrades No Cellular
Price $429 MAX	Price $429 MAX

Highlights

Peak OPS

Peak OPS FP32 FP16

Apple Watch Series 9112.6 GFLOPS FP16S9

x1.43

Apple Watch Series 678.72 GFLOPS FP16S6

x1

Show Top Score

System Arch

CPU

S9	S6
2 Cores 2 Threads 2.02GHz	2 Cores 2 Threads 1.73GHz

GPU

S9	S6
128 Shaders 440MHz	64 Shaders 615MHz
Shared Memory	Shared Memory
Peak·FP32·FP16 112.6 GFLOPSFP16	Peak·FP32·FP16 78.72 GFLOPSFP16

Memory

2GB

1.5GB

Storage

64GB

32GB

Display

1.9" LTPO OLED484x396 1000Nits 60Hz Size Res 1.9"	1.78" LTPO OLED448x368 1000Nits 60Hz Size Res 1.8"
Panel & HDR LTPO OLED	Panel & HDR LTPO OLED
Brightness 1000 nits 2000 nits Peak	Brightness 1000 nits Peak
Refresh & VRR 60Hz Variable Refresh	Refresh & VRR 60Hz Variable Refresh
Resolution 484x396 191.7K Pixels 329 ppi	Resolution 448x368 164.9K Pixels 326 ppi
Backlight & Contrast 191.7K zones 1M:1 contrast	Backlight & Contrast 164.9K 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 18 hours	Up to 18 hours
Charge Time 0-80%: 45 min	Charge Time -
1.19Wh 308mAh 3.85V Lithium-Ion	1.17Wh 304mAh 3.85V Lithium-Ion

Connectivity

Wi-Fi 4E Bluetooth 5.3

Wi-Fi 4E Bluetooth 5.0

Cellular

No 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) Electrical Heart (ECG) Blood Oxygen (SpO2) -
Utility Proximity Ambient Light (ALS)	Utility Proximity Ambient Light (ALS)
Communication NFC Ultra-Wideband Chip	Communication NFC Ultra-Wideband Chip
Location GPS GLONASS Galileo QZSS Beidou Compass	Location GPS GLONASS Galileo QZSS Beidou Compass

Audio

Speakers 1	Speakers 1
Microphones 1	Microphones 1

OS

Launch OS iOS 10

Launch OS iOS 7

Enclosure

Build Material Aluminum, Glass	Build Material Aluminum, Glass
Height 45mm (1.77") Width 38mm (1.5") Depth 10.7mm (0.42")	Height 44mm (1.73") Width 38mm (1.5") Depth 10.4mm (0.41")
Weight 39g	Weight 37g
Volume 0.018L	Volume 0.017L

Info

Release Date 2023-09-12	Release Date 2020-09-18
Warranty 1 year	Warranty 1 year
Description 45mm	Description 44mm

Images