Apple S5 vs Apple S8

Apple S5

The Apple S5 is a 64-Bit dual core processor for the Apple Watch Series 5 (40 and 44mm). It integrates a GPU, 32 GB flash memory, Bluetooth 5.0, 1 GB RAM, 802.11 b/g/n 2.4 GHz WiFi and satellite positioning (GPS, GLONASS, Galileo, QZSS).

Apple S8

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The Apple S8 is a 64-Bit dual core processor for the Apple Watch Series 8. It integrates a GPU, 32 GB flash memory, Bluetooth 5.0, 1 GB RAM, 802.11 b/g/n 2.4 and 5 GHz WiFi and satellite positioning (GPS, GLONASS, Galileo, QZSS). According to Apple the SiP has two CPU cores based on the Apple A13 and offers 20% more performance than the old Apple S5 in the Watch Series 5. It looks like the S8 is technically identical with the Apple S6 and S7 (same model number of t8301).

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Model	Apple S5	Apple S8
Cores / Threads	2 / 2	2 / 2

Announced
Codename		Thunder
Clock		1800 MHz
Technology		7 nm
Architecture		ARM

Benchmarks

Mozilla Kraken 1.1 - Kraken 1.1 Total Score *

100%

¹ S8 +

71340 ms (83%)

Model	CPU	GPU	RAM	Value
Apple Watch Series 8 Safari Watch OS 9	S8		1 GB	71340.2

Sunspider - Sunspider 1.0 Total Score *

100%

S5 +

min: 2014 avg: 2022 median: 2022 (22%) max: 2030 ms

Model	CPU	GPU	RAM	Value
Apple Watch 5 44 mm Stainless Steel Cellular	S5		1 GB	2014
Apple Watch 5 40 mm Aluminium	S5		1 GB	2030

108%

S8 +

1867 ms (20%)

Model	CPU	GPU	RAM	Value
Apple Watch Series 8 Safari Watch OS 9	S8		1 GB	1867.3

Octane V2 - Octane V2 Total Score

100%

¹ S8 +

838 Points (1%)

Model	CPU	GPU	RAM	Value
Apple Watch Series 8 Safari Watch OS 9	S8		1 GB	838

Average Benchmarks Apple S5 → 100% ⁿ⁼¹

Average Benchmarks Apple S8 → 108% ⁿ⁼¹

- Range of benchmark values for this graphics card

- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
¹ This benchmark is not used for the average calculation