Watch Series 4 40mm vs Watch Series 7 41mm

Swappasaurus says...
The Apple Watch Series 4 was released on September 21, 2018, and the Apple Watch Series 7 was released on October 15, 2021. The Series 4 watches are available in 40mm and 44mm case sizes, and the Series 7 watches are available in 41mm and 45mm case sizes. The Apple Watch Series 7 brought new features including a larger and more advanced display, faster charging, and watchOS 8. 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 7 is powered by an S7 SiP with a 64-bit dual-core processor with a W3 Apple wireless chip and U1 ultra-wideband chip and has 32GB of storage.
Price Comparison
Watch Series 4 40mm vs Watch Series 7 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, and 16GB of storage space.
In comparison, the Apple Watch Series 7 feature set includes an always-on Retina display, an S7 SiP with a 64-bit dual-core processor, a W3 wireless chip, a U1 ultra wideband chip, a blood oxygen sensor, a third-generation optical heart sensor, International Emergency calling, a Compass, an always-on altimeter, fast-charging, and 32GB of storage space.
The Apple Watch Series 4 and the Apple Watch Series 7 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, WiFi (802.11b/g/n), and Bluetooth 5.0.
The smaller Apple Watch Series 4 is 40mm and measures 40mm (H) x 34mm (W) x 10.7mm (D). In comparison, the smaller Apple Watch Series 7 is 41mm and measures 41mm (H) x 35mm (W) x 10.7mm (D).
The weights of the Series 4 and Series 7 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 7 weights are as follows: the stainless steel model weighs 42.3 grams, the aluminum model weighs 32.0 grams, and the titanium model weighs 37.0 grams.
Color Choices
Watch Series 4 40mm
Available in 4 colors:
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Black
-
Gold
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Gray
-
Silver
Watch Series 7 41mm
Available in 10 colors:
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Black
-
Blue
-
Gold
-
Graphite
-
Green
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Midnight
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Red
-
Silver
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Starlight
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Titanium
Watch Series 4 40mm vs Watch Series 7 41mm Colors

The Apple Watch Series 4 is available in stainless steel and aluminum, and the Apple Watch Series 7 is available in stainless steel, aluminum, and titanium.
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 7 is available in Graphite, Silver, and Gold, the aluminum Series 7 is available in Midnight, Starlight, Green, Blue, and PRODUCT(RED), and the titanium Series 7 is available in Space Black and Titanium.
Storage Options
Watch Series 7 41mm
Choose from 0 storage options:
Watch Series 4 40mm vs Watch Series 7 41mm Storage

The Apple Watch Series 4 has 16GB of storage space. To compare, the Apple Watch Series 7 has 32GB of storage space.
Watch Series 4 40mm vs Watch Series 7 41mm Reviews
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