Watch Series 5 40mm vs Watch Series 6 44mm

Swappasaurus says...
Apple released the Watch Series 5 on September 20, 2019, and released the Watch Series 6 on September 18, 2020. The Apple Watch Series 5 and Series 6 watches are available in two case sizes: 40mm and 44mm. The Series 5 is powered by an S5 SiP with a 64-bit dual-core processor with a W3 Apple wireless chip and 32GB of storage, and the Series 6 is powered by an S6 SiP with a 64-bit dual-core processor with a W3 Apple wireless chip, U1 ultra-wideband chip, and 32GB of storage. The Apple Watch Series 6 brought new and improved features such as a Blood Oxygen sensor and app, an improved always-on display, and new case colors. The Apple Watch Series 6 launched with watchOS 7, which included Family Setup, sleep tracking, and more.
Price Comparison
Watch Series 5 40mm vs Watch Series 6 44mm Pricing
Specs Comparison
The Apple Watch Series 5 specs include an S5 SiP with a 64-bit dual-core processor, a 2nd gen optical heart sensor, and a barometric altimeter. In comparison, the Apple Watch Series 6 specs include an S6 SiP with a 64-bit dual-core processor, a U1 ultra-wideband chip, a 3rd gen optical heart sensor, and an always-on altimeter.
Common specs that are shared between the Series 5 and Series 6 watches include an always-on Retina display, a W3 wireless chip, 32GB of storage space, a Digital Crown with haptic feedback, an electrical heart sensor, high and low heart rate notifications, irregular rhythm notification, an ECG app, International emergency calling, Emergency SOS, Fall Detection, water-resistance to 50 meters, GPS/GNSS, a compass, a built-in speaker and microphone, WiFi (802.11b/g/n), and Bluetooth 5.0.
The 40mm Apple Watch Series 5 measures 40mm (H) x 34mm (W) x 10.7mm (D), and the 44mm Apple Watch Series 6 measures 44mm (H) x 38mm (W) x 10.7mm (D).
The weight of the Apple Watch Series 5 and Series 6 varies based on the case material.
The 40mm Apple Watch Series 5 weights are as follows: the stainless steel model weighs 40.6 grams, the aluminum model weighs 30.8 grams, the titanium model weighs 35.1 grams, and the ceramic model weighs 39.7 grams.
To compare, the 44mm Apple Watch Series 6 weights are as follows: the stainless steel model weighs 47.1 grams, the aluminum model weighs 36.5 grams, and the titanium model weighs 41.3 grams.
Color Choices
Watch Series 5 40mm
Available in 6 colors:
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Black
-
White
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Gold
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Gray
-
Silver
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Titanium
Watch Series 6 44mm
Available in 8 colors:
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Black
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Blue
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Gold
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Graphite
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Gray
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Red
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Silver
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Titanium
Watch Series 5 40mm vs Watch Series 6 44mm Colors

The Apple Watch Series 5 is available in stainless steel, aluminum, titanium, and ceramic, and the Apple Watch Series 6 is available in stainless steel, aluminum, and titanium.
The stainless steel Series 5 Apple Watch is available in Stainless Steel, Space Black, and Gold, the aluminum Series 5 is available in Silver, Gold, and Space Gray, the titanium Series 5 is available in Titanium and Space Black, and the ceramic Series 5 is available in White.
To compare, the stainless steel Series 6 Apple Watch is available in Silver, Graphite, and Gold, the aluminum Series 6 is available in Silver, Space Gray, Gold, Blue, and PRODUCT(RED), and the titanium Series 6 is available in Titanium and Space Black.
Storage Options
Watch Series 6 44mm
Choose from 0 storage options:
Watch Series 5 40mm vs Watch Series 6 44mm Storage

The Apple Watch Series 5 and the Apple Watch Series 6 feature 32GB of storage space.
Watch Series 5 40mm vs Watch Series 6 44mm Reviews
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