Apple Watch Series 4 vs Series 8 – Check Which One Is Best & Why?

Apple Watch Series 8 & Apple Watch Series 4 share many similarities, but there are also important differences, such as quality, performance, features, design, and connectivity. If you want the best one between them, I Would recommend the Apple Watch Series 8 rather than the Apple Watch Series 4.

Table Of Contents hide

1 Why Do I Recommend The Apple Watch Series 8?

2 Side By Side Comparison

3 What Common Both Can Do?

4 Common Features

Why Do I Recommend The Apple Watch Series 8?

The Apple Watch Series 8 features the S8 SiP dual-core processor for faster app loading and smoother performance, whereas the Apple Watch Series 4 uses the older S4 chip with slower overall responsiveness.
Apple Watch Series 8 comes with an Always-On Retina LTPO OLED display for continuous visibility of time and metrics without wrist movement, while the Apple Watch Series 4 uses a standard Retina display.
It includes a temperature sensor for precise cycle tracking and body condition monitoring, while the Apple Watch Series 4 lacks any temperature measurement capability.
The Apple Watch Series 8 supports Crash Detection with upgraded motion sensors to automatically alert emergency services during severe car impacts, whereas the Apple Watch Series 4 has no crash detection functionality.
Apple Watch Series 8 features advanced sleep tracking with REM, Core, and Deep stages for detailed sleep quality analysis, while the Apple Watch Series 4 provides only limited sleep tracking through software.
It comes with dual-band Wi-Fi and Bluetooth 5.3 for stronger connectivity and faster data transfer, while the Apple Watch Series 4 supports only 2.4GHz Wi-Fi and Bluetooth 5.0.
The Apple Watch Series 8 includes Low Power Mode and fast charging to extend daily usability and reduce downtime, whereas the Apple Watch Series 4 lacks both fast charging and power optimization modes.
Apple Watch Series 8 features IP6X dust resistance and WR50 water resistance for improved durability in harsh environments, while the Apple Watch Series 4 is rated WR50 only without dust protection.

Maybe the Apple Watch Series 4 price can make you comfortable because it’s a little bit cheaper than the Apple Watch Series 8. But you have to compromise all the above-mentioned features. Now the Decision is Yours. I hope it was helpful to choose the right one.

Check Apple Watch 8 Best Price

Check Apple Watch 4 Best Price

Side By Side Comparison

Feature	Apple Watch Series 8	Apple Watch Series 4
Chipset	S8 SiP	S4 SiP
Wireless Chip	W3 + U1 Ultra Wideband	W3 only
Case Sizes	41mm, 45mm	40mm, 44mm
Display Type	Always-On Retina LTPO OLED	Retina LTPO OLED
Temperature Sensor	Yes	No
Blood Oxygen Sensor	Yes	No
ECG App	Advanced	Basic
Crash Detection	Yes	No
Fall Detection	Improved	Original version
Compass	Yes	No
Always-On Altimeter	Yes	No
Battery Life Mode	Standard + Low Power Mode	Standard only
Charging Type	Fast Charging	Standard Magnetic Charging
Bluetooth Version	5.3	5.0
Wi-Fi Bands	2.4GHz + 5GHz	2.4GHz only
IP Rating	WR50 + IP6X Dust Resistant	WR50
Storage	32GB	16GB
Body Temperature Tracking	Yes	No
Cycle Tracking	Advanced (with temperature data)	Basic
Sleep Tracking	REM/Core/Deep Stages	Limited
On-Device Siri	Supported	Not supported
Processor Speed	Higher performance	Lower performance
Display Bezel	Slim edge-to-edge	Thicker borders
Back Material	Sapphire and Ceramic	Composite/Sapphire
Fitness Sensors	3rd-gen optical + electrical	2nd-gen optical + electrical
Family Setup	Supported	Not supported
Safety Sensors	Crash + Fall + SOS	Fall + SOS
Operating System at Launch	watchOS 9	watchOS 5
Colors	Midnight, Starlight, Silver, Red	Silver, Space Gray, Gold
Case Material Finish	Brighter and smoother aluminum	Standard aluminum
Car Crash Detection Sensors	High-g accelerometer + gyroscope	Standard accelerometer + gyroscope
Display Refresh	LTPO adaptive	Fixed LTPO
Charging Time	~45 min	~90 min
Dust Resistance	Yes	No
Heart Rate Sensor	3rd-generation	2nd-generation
Power Efficiency	Improved	Older generation efficiency
Price	Check Apple Watch 8 Price	Check Apple Watch 4 Price

What Common Both Can Do?

Retina Display: Both models feature high-resolution Retina displays that produce sharp, vibrant visuals, ensuring text and graphics are easy to read in all lighting conditions. This consistent clarity improves usability for workouts, notifications, and watch faces.
LTPO OLED Technology: Both watches use LTPO OLED panels that dynamically adjust refresh rates to balance performance with battery efficiency. This helps conserve power while maintaining smooth animations and responsiveness.
Digital Crown with Haptic Feedback: Each watch includes Apple’s Digital Crown with tactile haptic feedback, giving users precise control when scrolling or zooming. This feature adds a mechanical feel that enhances user interaction during navigation.
Electrical Heart Sensor (ECG): Both devices support ECG functionality to monitor electrical heart activity directly from the wrist. This medical-grade capability allows users to detect irregular rhythms such as atrial fibrillation.
Optical Heart Rate Sensor: Both watches include optical heart rate sensors to continuously monitor beats per minute. This is essential for fitness tracking, calorie calculation, and stress detection.
Fall Detection: Both models can detect hard falls using motion sensors and automatically initiate emergency assistance if the wearer is unresponsive. This enhances user safety for seniors and athletes alike.
Emergency SOS: Both watches feature an Emergency SOS mode that contacts local emergency services with one long press. It offers peace of mind during health emergencies or accidents.
Water Resistance (WR50): Both models are rated WR50, allowing safe use during swimming or showering. This makes them suitable for general fitness tracking even in aquatic environments.
GPS + GLONASS: Both support dual satellite systems for accurate outdoor navigation and route mapping. This ensures precise tracking during running, hiking, or cycling.
Cellular (LTE) Option: Both are available with optional LTE connectivity, enabling calls, messages, and streaming without an iPhone nearby. This improves independence and flexibility for users on the move.
Speaker and Microphone: Each includes built-in audio hardware for phone calls, Siri commands, and voice responses. It allows hands-free operation and quick communication directly from the wrist.
Compass App Support: Both watches support compass functionality for orientation and navigation. This aids outdoor enthusiasts in tracking direction and positioning.
Accelerometer and Gyroscope: Both include motion sensors for activity detection and fall recognition. These sensors power motion-based features like workouts and gesture controls.
Barometric Altimeter: Both have an altimeter that measures elevation changes in real time. It benefits hikers, runners, and climbers by showing ascent and descent data.
Apple Pay: Both models allow secure contactless payments via Apple Pay. Users can make purchases conveniently without carrying their phone or wallet.
Siri Voice Assistant: Each watch supports Siri for voice-based tasks such as sending messages or checking weather. This enables quick, hands-free operation.
Touchscreen with Force Touch (initially): Both use pressure-sensitive touchscreens for intuitive interaction. Though later replaced by long-press gestures, this enhanced interface responsiveness at launch.
Aluminum and Stainless Steel Cases: Both are available in durable aluminum and premium stainless steel finishes. This allows users to choose between lightweight and luxury styles.
Interchangeable Bands: Both support the same band mechanism, letting users switch bands easily. This ensures compatibility across generations and encourages personalization.
Magnetic Charging Cable: Both use magnetic chargers that snap onto the back for easy alignment. This simple charging method maintains convenience and consistency across models.

Check Apple Watch 8 Best Price

Check Apple Watch 4 Best Price

Common Features

Feature	Apple Watch Series 8	Apple Watch Series 4
Retina Display	Yes	Yes
LTPO OLED Technology	Yes	Yes
Digital Crown with Haptic Feedback	Yes	Yes
Electrical Heart Sensor (ECG)	Yes	Yes
Optical Heart Rate Sensor	Yes	Yes
Fall Detection	Yes	Yes
Emergency SOS	Yes	Yes
Water Resistance (WR50)	Yes	Yes
GPS + GLONASS	Yes	Yes
Cellular (LTE) Option	Yes	Yes
Speaker and Microphone	Yes	Yes
Compass App Support	Yes	Yes
Accelerometer and Gyroscope	Yes	Yes
Barometric Altimeter	Yes	Yes
Apple Pay	Yes	Yes
Siri Voice Assistant	Yes	Yes
Touchscreen with Force Touch (initially)	Yes	Yes
Aluminum and Stainless Steel Cases	Yes	Yes
Interchangeable Bands	Yes	Yes
Magnetic Charging Cable	Yes	Yes
Price	Check Apple Watch 8 Price	Check Apple Watch 4 Price

FAQ

Does the Apple Watch Series 8 have a faster processor than the Series 4?
Yes, the Apple Watch Series 8 uses the S8 SiP processor, which is significantly faster and more efficient than the S4 chip in the Series 4, resulting in smoother app performance and improved responsiveness.

Is the display on the Apple Watch Series 8 different from the Series 4?
Yes, the Series 8 features an Always-On Retina LTPO OLED display, while the Series 4 display turns off when not in use. The Series 8’s display also has thinner bezels and higher brightness consistency.

Do both models have ECG functionality?
Yes, both models support ECG readings, but the Series 8 has more accurate sensors and improved algorithmic detection for heart irregularities compared to the Series 4.

Can the Apple Watch Series 8 measure body temperature?
Yes, the Series 8 includes dual temperature sensors for skin and ambient temperature measurement, a feature not present in the Series 4.

Does the Apple Watch Series 8 support Crash Detection?
Yes, the Series 8 includes Crash Detection powered by upgraded motion sensors and an advanced accelerometer, whereas the Series 4 does not have this feature.

Are both watches water-resistant?
Yes, both models have WR50 water resistance, meaning they are safe for swimming and light water exposure, though the Series 8 also adds IP6X dust resistance for enhanced durability.

Can both models use the same watch bands?
Yes, the Apple Watch Series 8 and Series 4 are compatible with the same band sizes, so users can interchange bands freely between them.

Is the battery life the same on both models?
Both have around 18 hours of battery life per charge, but the Series 8 includes a Low Power Mode and faster charging capability, allowing for more flexible daily use.

Do both support cellular connectivity?
Yes, both models have GPS and GPS + Cellular variants, enabling users to make calls and stream music without their iPhone nearby.

Does the Series 8 support sleep tracking better than the Series 4?
Yes, the Series 8 provides detailed sleep tracking, including REM, Core, and Deep stages, while the Series 4 only supports limited basic sleep tracking through software updates.

Can both watches use Apple Pay?
Yes, both the Series 8 and Series 4 support Apple Pay for contactless payments directly from the wrist, providing secure and convenient transactions.

Is the Series 8 compatible with newer watchOS versions than the Series 4?
Yes, the Series 8 launched with watchOS 9 and supports newer versions, while the Series 4 is limited to earlier updates and may stop receiving full support sooner.

Do both models include a barometric altimeter?
Yes, both include a barometric altimeter to measure elevation and climbing data, though the Series 8’s is always-on for real-time tracking.

Can Siri be used on both watches?
Yes, both models feature Siri integration, but the Series 8 supports on-device Siri processing, making commands faster and more responsive compared to the Series 4.

Are the materials and build quality similar between both models?
Yes, both watches come in aluminum and stainless steel cases, but the Series 8 has a more refined finish and sapphire-crystal back design for improved durability and style.