Smartphone Comparison: Samsung Galaxy S21 5G vs. Realme 8
1. Specifications Comparison
| Feature | Samsung Galaxy S21 5G | Realme 8 | Practical Impact |
|---|---|---|---|
| Design | |||
| Dimensions | 151.7 × 71.2 × 7.9 mm | 160.6 × 73.9 × 8 mm | Realme 8 is larger and may feel less compact in hand; S21 5G is more pocketable. |
| Weight | 169g | 177g | S21 5G is slightly lighter, which might be more comfortable for extended use. |
| Display | |||
| Size | 6.2" | 6.4" | Realme 8 offers a slightly larger screen for media consumption. |
| Resolution | 1080x2400 | 1080x2400 | Both have the same sharpness, visually indistinguishable. |
| PPI | 421 | 411 | Very similar pixel density, both display sharp images. |
| Technology | AMOLED | AMOLED | Both offer vibrant colors and deep blacks. |
| Refresh Rate | 120Hz | 60Hz | S21 5G provides smoother scrolling and animations, enhancing the overall user experience, especially in gaming. |
| Brightness | 1300 nits | 1000 nits | S21 5G is more visible under direct sunlight, improving outdoor usability. |
| Performance | |||
| Chipset | Exynos 2100 (5 nm) | Mediatek Helio G95 (12 nm) | S21 5G offers significantly faster processing and improved overall performance. |
| AnTuTu Score | 749,100 | 409,874 | S21 5G is much better for demanding tasks, including gaming, video editing, and heavy multitasking. |
| GPU | Mali-G78 MP14 | Mali-G76 MC4 | S21 5G has a significantly more powerful GPU for smoother graphics in games and other graphics intensive applications. |
| Camera | |||
| Rear Main | 12MP, f/1.8, 1/1.76" | 64MP, f/1.79, 1/2" | Realme 8 has higher resolution sensor, the Samsung has bigger sensor pixels |
| Rear Telephoto/Portrait | 64MP, f/2.0, 1/1.72" | None | S21 5G has dedicated Telephoto for better zoom and portrait shots |
| Rear Wide Angle | 12.2MP, f/2.2, 1/2.55" | 8MP, f/2.25 | S21 5G wide angle has a higher resolution and might capture more detail |
| Rear Macro | None | 2MP, f/2.4 | Realme 8 includes a dedicated Macro camera for closeup photography. |
| Rear Black & White | None | 2MP, f/2.4 | Realme 8 has a B&W sensor for specific art effects. |
| Front Camera | 10MP, f/2.2, 1/3.2" | 16MP, f/2.45, 1/3.13" | Realme 8 has higher megapixel count and bigger sensor, Samsung has wider apperture |
| Video Recording | Up to 8K@24fps | Up to 4K@30fps | S21 5G offers professional-grade 8K video capture with richer features, while Realme 8 offers 4K. |
| DXOMark Mobile Score | 111 | Not Available | S21 5G has a validated mobile camera score demonstrating its capabilities. |
| DXOMark Selfie Score | 132 | Not Available | S21 5G has a validated selfie camera score demonstrating its capabilities. |
| Battery | |||
| Capacity | 4000mAh | 5000mAh | Realme 8 has a much larger battery, potentially offering significantly longer battery life. |
| Charging | 25W | 30W | Realme 8 charges slightly faster. |
| Features | Wireless charging, reverse charging | None | S21 5G offers wireless charging and can charge other devices wirelessly. |
| Software | |||
| OS | Android 11, Upgradable to 15 | Android 11 | S21 5G has confirmed software upgrades giving it more longevity. |
| Connectivity | |||
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 | S21 5G supports the newer, faster Wi-Fi 6 standard. |
| Bluetooth | 5.0 | 5.1 | Realme 8 has the latest Bluetooth, with minor improvements in speed and range. |
| GPS | L1+L5, E1+E5a | Basic GPS | S21 5G provides more accurate location tracking using advanced GPS bands. |
| Storage | |||
| Internal | 128/256GB | 64/128GB | S21 5G has a larger internal storage option, while both lack expandable storage. |
| RAM | 8GB | 4/6/8GB | Both offer 8 GB, which provides more headroom for demanding tasks, especially for multitasking. |
| Audio | |||
| Quality | Dolby Atmos, Stereo Speakers | Hi-Res Audio | S21 5G has enhanced audio experience with Dolby Atmos and stereo speakers; Realme 8 provides Hi-Res Audio. |
| Security | |||
| Security | Fingerprint Sensor | Fingerprint Sensor | Both have basic fingerprint scanner. |
| Build Quality | |||
| Screen Protection | Corning Gorilla Glass Victus | Unknown | S21 5G offers higher quality glass protection. |
| Sensors | |||
| Sensors | Accelerometer, Compass, Gyroscope, Barometer, Hall, Geomagnetic, Proximity, Fingerprint | Accelerometer, Gyroscope, Magnetometer, Proximity, Fingerprint | S21 5G has more sensors including Barometer, for weather data, and Hall sensor |
2. Key Differences Analysis
Samsung Galaxy S21 5G Advantages:
- Superior Performance: The Exynos 2100 chipset provides significantly faster processing, better for gaming and demanding apps.
- Better Display: 120Hz refresh rate and higher brightness offer smoother visuals and improved outdoor visibility.
- Advanced Camera System: Offers a telephoto lens for better zoom, advanced video features including 8K recording, and better overall camera performance as validated by DXOMark.
- Premium Features: Includes wireless charging, reverse wireless charging, and a more premium build with Gorilla Glass Victus.
- More Reliable Location Tracking: Uses advanced GPS for greater accuracy.
- More Software Updates: Confirmed software updates up to Android 15.
- More Feature Rich Bluetooth: Supports more audio profiles and features.
- Advanced Audio: Dolby Atmos provides better surround sound experience.
- More Sensors: Has a more comprehensive sensor array.
Practical Implications: The S21 5G excels in performance-heavy tasks, has a more responsive display, and provides a better overall experience for those wanting a flagship-level device.
Realme 8 Advantages:
- Larger Battery: 5000mAh battery offers potentially longer usage times.
- Faster Charging: Slightly faster 30W charging.
- Dedicated Macro Camera: Offers closeup photography not present on the S21 5G.
- More Affordable: Typically sold at a lower price, offering better value for budget-conscious users.
Practical Implications: The Realme 8 is designed for users who prioritize battery life and want a decent camera system without breaking the bank.
Trade-offs:
- S21 5G trades battery life for performance and premium features.
- Realme 8 trades raw power and a few premium features for a lower price and bigger battery.
3. User Profiles & Recommendations
Samsung Galaxy S21 5G Ideal User:
- Power Users: Gamers, multi-taskers, and those using demanding applications.
- Photography Enthusiasts: Users who want a versatile camera system with good zoom capabilities.
- Multimedia Consumers: Users who appreciate a smooth, high-refresh rate display for video playback.
- Tech Savvy Individuals: Users who value premium features like wireless charging and a flagship experience.
Use Cases: High-end gaming, professional photography and videography, video editing, running multiple apps simultaneously, and using advanced GPS features.
Realme 8 Ideal User:
- Budget-Conscious Buyers: Users who want good value for money.
- Battery Life Prioritizers: Users who need all-day battery without frequent recharges.
- Casual Photographers: Users who want a decent camera for everyday use, with a macro lens for fun.
Use Cases: Daily usage, media consumption, casual gaming, long journeys without frequent charging opportunities, and basic photography needs.
4. Decision Framework
Key Questions to Consider:
- Budget: How much are you willing to spend on a new phone?
- Performance Needs: Do you require top-tier performance for gaming and demanding applications?
- Battery Life Priority: How important is extended battery life to you?
Scenario-Based Recommendations:
- Scenario 1: Gaming and Performance Focused: Choose the Samsung Galaxy S21 5G. The superior chipset, GPU, and 120Hz display provide a much smoother and more responsive gaming experience.
- Scenario 2: Battery Life and Budget Focused: Choose the Realme 8. The larger battery and more affordable price make it a better fit for those prioritizing these aspects.
- Scenario 3: Balanced User: If you need a mix of good performance and good battery life, with a decent camera, the Samsung Galaxy S21 5G is still a better choice due to the higher performance. However, be aware it will cost more.
My Choice:
I would choose the Samsung Galaxy S21 5G. While the Realme 8 offers a compelling value proposition with its larger battery and lower price, the S21 5G's superior performance, enhanced display, and more capable camera system align better with my needs. As someone who values a smooth user experience, a capable camera, and enjoys occasional gaming, the S21 5G's advantages outweigh its lower battery capacity. The ability to capture 8K video, the higher refresh rate, the fast processor, and the premium build quality make it the preferred device for me. Although the Realme 8 has the advantage of a larger battery and macro camera lens, the S21 5G overall offers a higher quality and more versatile experience.
