1. Specifications Comparison
| Feature | Samsung Galaxy S21 Ultra 5G | Realme GT 5G | Practical Impact |
|---|---|---|---|
| Design | |||
| Dimensions | 165.1 × 75.6 × 8.9 mm | 158.5 × 73.3 × 8.4 mm | S21 Ultra is larger and bulkier, potentially less comfortable for one-handed use. GT 5G is more compact and easier to handle. |
| Weight | 227g | 186g | S21 Ultra feels heavier in hand, may cause fatigue during extended use. GT 5G is significantly lighter and more comfortable for longer durations. |
| Display | |||
| Size | 6.8" | 6.43" | S21 Ultra offers a larger screen for immersive viewing. GT 5G provides a more manageable size that is good for everyday use. |
| Resolution | 1440x3200 | 1080x2400 | S21 Ultra has a much sharper display with higher pixel density, leading to crisper text and images. GT 5G display is less sharp but still good for most tasks. |
| Pixel Density | 515 PPI | 409 PPI | S21 Ultra's display looks more detailed and refined, particularly noticeable when reading small text or viewing high-resolution photos. GT 5G is less sharp in comparison. |
| Technology | AMOLED | AMOLED | Both offer vibrant colors and deep blacks. Similar viewing experience in terms of color reproduction and contrast. |
| Refresh Rate | 120Hz | 120Hz | Both provide smooth scrolling and animations, making the user experience feel fluid and responsive. |
| Brightness | 1500 nits | 0 nits | S21 Ultra has excellent outdoor visibility even in direct sunlight. Realme GT 5G brightness is not mentioned, and is likely significantly lower. |
| Performance | |||
| Chipset | Exynos 2100 (5 nm) | Snapdragon 888 (5 nm) | Both provide flagship-level performance. Snapdragon 888 in GT 5G generally performs better in benchmarks, for gaming and other processor intensive tasks |
| AnTuTu Score | 749,000 | 912,342 | GT 5G offers slightly faster app loading and smoother performance, particularly in demanding tasks. |
| GPU | Mali-G78 MP14 | Adreno 660 | Adreno 660 in the GT 5G provides better gaming performance. |
| Battery | |||
| Capacity | 5000mAh | 4500mAh | S21 Ultra has slightly better battery life. GT 5G may require more frequent charging for heavy users. |
| Charging | 25W Fast Charging | 65W Fast Charging | GT 5G charges much faster than S21 Ultra, significantly reducing downtime. |
| Features | Wireless, Reverse Charging | No Wireless Charging | S21 Ultra offers convenience with wireless and reverse wireless charging. |
| Camera | |||
| Main Camera | 108MP, 1/1.33" | 64MP, 1/1.7" | S21 Ultra offers more detailed images due to higher resolution and larger sensor. GT 5G provides good images but with less detail. |
| Telephoto Cameras | 10.8MP (2 lenses) | None | S21 Ultra provides optical zoom capabilities for more detailed zoomed images without digital artifacts. GT 5G lacks dedicated zoom cameras. |
| Selfie Camera | 44MP, f/2.2 | 16MP, f/2.5 | S21 Ultra offers higher resolution selfies with better low-light performance due to wider aperture. GT 5G selfies will have less detail. |
| Wide-Angle Camera | 12.2MP | 8MP | S21 Ultra offers a wide angle camera, GT 5G is weaker in wide angle shots. |
| Macro Camera | None | 2MP | GT 5G offers a macro camera for close-up shots, which the S21 Ultra lacks. |
| Video | Up to 8K | Up to 4K | S21 Ultra allows for professional-grade video recording. GT 5G is limited to 4K video but still has good capabilities for most users |
| Camera Features | OIS, Laser AF, Quad Camera | Laser AF, Triple Camera | S21 Ultra has better low light performance, optical zoom, and more versatile cameras. GT 5G has ultra stable video. |
| Software | |||
| OS | Android 11 (upgradable to 15) | Android 11 (upgradable to 14) | S21 Ultra gets one extra year of OS upgrades. Both get the latest android features but the S21 Ultra lasts longer. |
| Connectivity | |||
| Wi-Fi | Wi-Fi 6 + MiMO | Wi-Fi 6 | S21 Ultra has a faster WiFi with greater capacity, especially in crowded networks. GT 5G is slightly slower. |
| Bluetooth | 5.2 + Many Features | 5.2 + LDAC, AAC | S21 Ultra has more Bluetooth features, GT 5G has better audio codecs. |
| GPS | More Satellite systems | More Satellite systems | Both are very similar, with GT 5G having slightly more satellite systems for greater accuracy. |
| Storage | |||
| Internal | 128/256/512GB | 128/256GB | S21 Ultra offers a 512GB option for users who need more storage. |
| RAM | 12/16 GB | 8/12 GB | S21 Ultra can handle more apps open at the same time, for improved multitasking. |
| Expandable | No | No | Neither support additional storage through microSD. |
| Audio | |||
| Quality | Noise Cancel Mic, Stereo Speakers | Stereo Speakers, 2 mics | S21 Ultra has slightly better audio features including noise cancellation. GT 5G has dual microphones. |
| Security | |||
| Fingerprint Sensor | In-Display | In-Display | Both have similar fingerprint technology for security. |
| Build Quality | |||
| Screen Protection | Gorilla Glass Victus | Unknown | S21 Ultra has superior screen protection from scratches and falls. GT 5G's screen protection is not clear. |
| Sensors | |||
| Sensors | Gyro, Barometer, Geomagnetic, Hall | Gravity | S21 Ultra has more sensors which enables more advanced features for gaming and professional use. |
2. Key Differences Analysis
Samsung Galaxy S21 Ultra 5G Advantages:
- Superior Display: Larger, higher resolution, significantly brighter, and higher pixel density screen offering a more immersive and detailed viewing experience.
- Versatile Camera System: Features a more versatile camera setup with dual telephoto lenses, offering better optical zoom, higher resolution main and selfie cameras, and better low light performance.
- Better Video Recording: Offers 8K video recording, ideal for users wanting the highest possible video quality.
- Additional Features: Includes wireless charging, reverse wireless charging, a barometer sensor, better WiFi, and a noise-canceling microphone.
- Better Battery Features: Wireless charging and reverse wireless charging are exclusive features of this phone.
- Better Software support: One additional year of software support.
- Premium Build: Has a durable Gorilla Glass Victus screen protection.
Realme GT 5G Advantages:
- Faster Charging: Significantly faster 65W charging, reducing the time spent plugged in.
- Lighter and More Compact: More comfortable to hold and use, especially for extended periods.
- Better Performance: Benchmarks score higher with the Snapdragon 888 chipset, providing slightly better performance, especially in graphically demanding tasks.
- Lower Cost: Generally more affordable than the S21 Ultra.
- Macro Lens: Includes a dedicated macro lens, which can be useful for close-up photography.
Significant Trade-offs:
- S21 Ultra: Sacrifices faster charging speed and is significantly heavier/bulkier for its premium features and superior camera/display.
- Realme GT 5G: Lacks the high-end camera versatility, advanced display, and battery features of the S21 Ultra, which affects its overall user experience for those who value those features.
3. User Profiles & Recommendations
Samsung Galaxy S21 Ultra 5G is Ideal For:
- Photography Enthusiasts: Users who value a versatile camera system, want better zoom capabilities, and need high-quality images and videos.
- Multimedia Consumers: Those who prioritize a larger, sharper display with vibrant colors for watching videos and browsing.
- Heavy Users: Individuals who need a long-lasting battery, and wireless/reverse wireless charging.
- Power Users: People who require a large screen with high resolution for productivity tasks and multitasking
- Users who want the latest software: Get one additional year of software support compared to the Realme.
- Users who need the very best screen protection: The S21 Ultra has a superior screen protection.
Use Cases:
- Professional photography and videography.
- Watching HDR videos and movies in bright environments.
- Gaming on a large high resolution and bright display.
- Long days away from a power source where wireless charging is needed.
Realme GT 5G is Ideal For:
- Gamers: Users who prioritize raw performance and fast charging.
- Users on a Budget: Individuals who want flagship-level performance without paying a premium price.
- Practical Users: Those who value a compact and lightweight device with fast charging capabilities.
- Everyday Use: People who do not need the most advanced camera features or the highest resolution display.
- Users who care less about software updates: The phone gets one less major OS update than the Samsung.
Use Cases:
- Gaming with graphics-intensive games.
- Quickly charging the phone during short breaks.
- Daily usage, with a priority for fast processing speeds.
- Close-up macro photography and casual photography.
4. Decision Framework
Key Questions for Buyers:
- How much do you value camera quality and versatility? If you prioritize camera features (optical zoom, low-light performance) choose the S21 Ultra. If you need basic photography, then GT 5G.
- How important is screen quality and size for you? The S21 Ultra has a more immersive, sharp, and bright screen for consuming media. The GT 5G has a smaller screen.
- Do you value portability and charging speed over additional features? If you want a lighter phone with rapid charging, the GT 5G is better. If you prefer additional features with a larger and heavier design, choose the S21 Ultra.
Scenario-Based Recommendations:
- Scenario 1: Professional Photography
- Recommendation: Samsung Galaxy S21 Ultra 5G. The higher-resolution, larger sensor, multiple lens array, and higher quality video features make it the clear choice.
- Scenario 2: Mobile Gaming Enthusiast
- Recommendation: Realme GT 5G. The Snapdragon 888, higher AnTuTu score, and fast charging are more beneficial for gaming.
- Scenario 3: Casual User with a Budget
- Recommendation: Realme GT 5G. It provides excellent performance and fast charging at a lower price point.
- Scenario 4: Power User who needs the very best display and software support
- Recommendation: Samsung Galaxy S21 Ultra 5G. The superior screen, wireless charging, better software support, and premium build quality justify the price difference.
My Choice
If I were to choose, I would pick the Samsung Galaxy S21 Ultra 5G.
Reasons:
- Superior Camera System: I value the versatility of the camera, especially the optical zoom and low-light performance. My use case involves taking many photos and videos, and I would highly benefit from the improved quality.
- Excellent Display: I appreciate a high-quality display, and the S21 Ultra's large, high-resolution AMOLED screen would be better for watching content and browsing.
- Additional Features: I would also use wireless charging and the barometer sensor.
- Premium Build: I value the superior screen protection of the S21 Ultra as I tend to keep my phones for many years.
- Software Updates: One additional year of software support will ensure the phone has the latest features and security updates for longer.
While I acknowledge the faster charging speed and lighter design of the Realme GT 5G, the superior display, cameras, and overall features of the S21 Ultra make it a better choice for my needs, even with the added cost and slightly heavier build. My usage focuses on media consumption and photography, where the S21 Ultra excels.
