Apple Watch Series 4 (44mm) Technical Specifications

Apple Watch Series 4 (44mm) Technical Specifications

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In 2018, Apple introduced the Apple Watch Series 4 (44mm), an addition to its lineup of smartwatches. The Apple Watch Series 4 became a must-have accessory for tech enthusiasts and fitness enthusiasts alike. It comes with 1GB of RAM and 16GB of internal storage

The Apple Watch Series 4 (44mm) impressed users with its refined design and dimensions of 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in). Its lightweight build, weighing just 48 grams (1.69 oz), ensured comfort and ease of wear throughout the day. The larger 44mm display allowed for more immersive experiences and better readability, making it an ideal choice for individuals seeking a bigger screen on their wrist. 

Price: About 750 EUR

Apple Watch Series 4 (40mm)

Stunning Retina LTPO OLED Display

The Apple Watch Series 4 boasted a brilliant Retina LTPO OLED display, measuring 1.78 inches. With a resolution of 448 x 368 pixels, the screen delivered vibrant colors, sharp visuals, and excellent contrast, enhancing the user experience.

Powerful Performance with Apple S4 Chipset

At its core, the Apple Watch Series 4 was powered by the Apple S4 chipset, which featured a dual-core CPU and PowerVR GPU. This combination provided a smooth and responsive performance, ensuring quick app launches, seamless navigation, and efficient multitasking.

Impressive Battery Performance

The Apple Watch Series 4 featured a non-removable Li-Ion 292 mAh battery, offering long-lasting power for a full day of use. Whether tracking workouts, receiving notifications, or using various apps, users could rely on the watch to keep up with their active lifestyles.


The Apple Watch Series 4 ran on watchOS 5.0, Apple's advanced operating system for wearables. It provided a user-friendly interface and access to various apps and features. Moreover, users could upgrade to the watchOS 9.5 version, unlocking additional functionalities and improvements.


Network Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA
4G bands LTE
Launch Announced 2018, September
Status Available. Released 2018, September
Body Dimensions 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Weight 48 g (1.69 oz)
Build Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame
  50m water resistant
ECG certified (region dependent SW application; HW available on all models)
Display Type Retina LTPO OLED, 1000 nits (peak)
Size 1.78 inches
Resolution 448 x 368 pixels (~326 ppi density)
Protection Sapphire crystal glass
  3D Touch display
Platform OS watchOS 5.0, upgradable to 9.5
Chipset Apple S4
CPU Dual-core
Memory Card slot No
Internal 16GB 1GB RAM
Camera   No
Sound Loudspeaker Yes
3.5mm jack No
Comms WLAN Wi-Fi 802.11 b/g/n
Bluetooth 5.0, A2DP, LE
Radio No
Features Sensors Accelerometer, gyro, heart rate, barometer
  Natural language commands and dictation (talking mode)
Battery Type Non-removable Li-Ion 292 mAh battery (1.12 Wh)
Charging Wireless
Misc Colors Space Black, Silver, Gold
Models A1975, A1976, A2007, A2008

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