Watch Series 4 40mm vs Watch Series 8 41mm

Swappasaurus says...
The Apple Watch Series 4 was released on September 21, 2018, and the Apple Watch Series 8 was released on September 16, 2022. The Series 4 watches are available in 40mm and 44mm case sizes, and the Series 8 watches are available in 41mm and 45mm case sizes. The Apple Watch Series 4 is powered by an S4 SiP with a 64-bit dual-core processor with a W3 Apple wireless chip and has 16GB of storage. The Apple Watch Series 8 is powered by an S8 SiP with a 64-bit dual-core processor with a W3 Apple wireless chip and U1 ultra-wideband chip and has 32GB of storage. The Apple Watch Series 8 brought new and improved features for health and safety, like the ECG app and fall detection, Crash Detection, new temperature sensing capabilities, and more. The Apple Watch Series 8 launched with watchOS 9.
Price Comparison
Watch Series 4 40mm vs Watch Series 8 41mm Pricing
Specs Comparison
The Apple Watch Series 4 feature set includes a Retina display, S4 SiP with a 64-bit dual-core processor, a W3 wireless chip, a second-generation optical heart sensor, a barometric altimeter, Bluetooth 5.0, and 16GB of storage space.
In comparison, the Apple Watch Series 8 feature set includes an always-on Retina display, an S8 SiP with a 64-bit dual-core processor, a W3 wireless chip, a U1 ultra wideband chip, a temperature sensor, a blood oxygen sensor, a third-generation optical heart sensor, International Emergency calling, Crash Detection, an IP6X rating for dust resistance, a Compass, an always-on altimeter, Bluetooth 5.3, fast-charging, and 32GB of storage space.
The Apple Watch Series 4 and the Apple Watch Series 8 both feature a Digital Crown with haptic feedback, an electrical heart sensor, high and low heart rate notifications, irregular rhythm notification, an ECG app, Emergency SOS, Fall Detection, water resistance to 50 meters, GPS/GNSS, a built-in speaker and microphone, and WiFi (802.11b/g/n).
The smaller Apple Watch Series 4 is 40mm with measurements of 40mm (H) x 34mm (W) x 10.7mm (D). And to compare, the smaller Apple Watch Series 8 is 41mm with measurements of 41mm (H) x 35mm (W) x 10.7mm (D).
The weights of the Series 4 and Series 8 Apple Watch vary based on the case material.
The 40mm Apple Watch Series 4 weights are as follows: the stainless steel model weighs 39.8 grams, and the aluminum model weighs 30.1 grams.
The 41mm Apple Watch Series 8 weights are as follows: the stainless steel model weighs 42.3 grams, and the aluminum GPS + Cellular model weighs 32.2 grams. The aluminum GPS-only Series 8 weighs slightly less than the aluminum GPS + Cellular and comes in at 31.9 grams.
Color Choices
Watch Series 4 40mm
Available in 4 colors:
-
Black
-
Gold
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Gray
-
Silver
Watch Series 8 41mm
Available in 7 colors:
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Black
-
Gold
-
Graphite
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Midnight
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Red
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Silver
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Starlight
Watch Series 4 40mm vs Watch Series 8 41mm Colors

The Apple Watch Series 4 and the Apple Watch Series 8 are available in stainless steel and aluminum.
The stainless steel Apple Watch Series 4 is available in Space Black, Silver, and Gold, and the aluminum Series 4 is available in Space Gray, Silver, and Gold.
The stainless steel Apple Watch Series 8 is available in Graphite, Silver, and Gold, and the aluminum Series 8 is available in Midnight, Starlight, Silver, and PRODUCT(RED).
Storage Options
Watch Series 8 41mm
Choose from 0 storage options:
Watch Series 4 40mm vs Watch Series 8 41mm Storage

The Apple Watch Series 4 features 16GB of storage space, and the Apple Watch Series 8 features 32GB of storage space.
Watch Series 4 40mm vs Watch Series 8 41mm Reviews
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