Apple S8 vs Apple S9 Full Specs - HMC

64 Shaders 675MHz	128 Shaders 440MHz
Shared Memory12.8GB/sLPDDR4	Shared Memory25.6GB/sLPDDR5
·· 86.4 GFLOPS	·· 112.6 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

S886.4 GFLOPSFP16

x1

S9112.6 GFLOPSFP16

x1.30

Clock Speed ··	Clock Speed ··
Peak OPS 86.4 GFLOPSFP16	Peak OPS 112.6 GFLOPSFP16
FP32 86.4 GFLOPS	FP32 112.6 GFLOPS
Pixel Rate 1.4 GPixel/s	Pixel Rate 1.8 GPixel/s
Texture Rate 2.7 GTexel/s	Texture Rate 3.5 GTexel/s

Shaders 64 Shaders	Shaders 128 Shaders
TMUs 4 TMUs	TMUs 8 TMUs
ROPs 2 ROPs	ROPs 4 ROPs
EUs 8 EUs	EUs 16 EUs

Boost Clock

675MHz

Boost Clock

440MHz

Shared MemoryLPDDR4	Shared MemoryLPDDR5
Memory Bus 32-bit	Memory Bus 32-bit
Memory Speed 3.2GT/s	Memory Speed 6.4GT/s
Memory Bandwidth 12.8GB/s	Memory Bandwidth 25.6GB/s

Multi-Monitor

1

Multi-Monitor

1

Form Factor

iGPU

Form Factor

iGPU

Manufacturer Apple	Manufacturer Apple
Chip Designer Apple	Chip Designer Apple
Architecture Apple Gen 2	Architecture Apple Gen 6
Family S Series	Family S Series
Branding	Branding
Codename G11M	Codename G15M
Market Segment Smartwatch	Market Segment Smartwatch
Release Date Sep 16, 2022	Release Date Sep 12, 2023

Foundry TSMC	Foundry TSMC
Fabrication Node N7P	Fabrication Node N4P
Die Size 40mm²	Die Size 41mm²
Transistor Count 3.5 Billion	Transistor Count 5.6 Billion
Transistor Density 88 MTr/mm²	Transistor Density 135 MTr/mm²

No images available

No images available

CPUs S8	CPUs S9
Smartwatches Apple Watch Series 8(41mm)Apple Watch Series 8(45mm)Apple Watch Series 8 SS(41mm)	Smartwatches Apple Watch Series 9(41mm)Apple Watch Series 9(45mm)Apple Watch Series 9 SS(41mm)