1. Specifications Comparison
Design
| Feature | Samsung Galaxy S21+ 5G | ZTE Blade A75 4G | Practical Impact |
|---|
| Dimensions | 161.5 × 75.6 × 7.8 mm | 164.1 × 75.8 × 8.6 mm | The ZTE is taller and thicker, potentially making it feel less sleek and slightly bulkier in the hand. |
| Weight | 200g | 189g | The ZTE is slightly lighter, potentially making it a bit more comfortable for long-term handling. |
Display
| Feature | Samsung Galaxy S21+ 5G | ZTE Blade A75 4G | Practical Impact |
|---|
| Size | 6.7" | 6.6" | Minimal difference; Samsung provides slightly more screen real estate. |
| Resolution | 1080x2400 | 720x1612 | The S21+ has a significantly sharper and clearer display, making text, images, and videos look much better. |
| PPI | 394 | 267 | The higher pixel density on the S21+ results in crisper visuals and better detail. |
| Technology | AMOLED | IPS LCD | AMOLED provides deeper blacks, better contrast, more vibrant colors, and is more energy-efficient, especially with dark modes. |
| Refresh Rate | 120Hz | 90Hz | The S21+ offers smoother scrolling and animations, resulting in a more fluid user experience. |
| Brightness | 1300 nits | 0 nits | The S21+ screen is much easier to view outdoors in bright sunlight. The brightness of the ZTE Blade A75 4G screen is not specified, making it difficult to compare. |
Performance
| Feature | Samsung Galaxy S21+ 5G | ZTE Blade A75 4G | Practical Impact |
|---|
| Chipset | Exynos 2100 (5 nm) | Unisoc T606 (12 nm) | The S21+ chipset is significantly more powerful, resulting in much faster app loading, smoother multitasking, and better gaming performance. |
| AnTuTu Score | 749,100 | 240,000 | The S21+ has much higher performance and is better for demanding tasks and future software updates. |
| GPU | Mali-G78 MP14 | Mali-G57 MP1 | The S21+ has a vastly superior GPU, leading to better graphics performance in games and graphically intensive apps. |
Camera
| Feature | Samsung Galaxy S21+ 5G | ZTE Blade A75 4G | Practical Impact |
|---|
| Standard Camera Resolution | 12MP | 50MP | The ZTE has a higher megapixel count, but image quality is dependent on sensor quality which is unspecified. |
| Telephoto + Portrait Camera | 64MP | None | The S21+ offers better zoom capabilities and portrait photography. |
| Selfie Camera Resolution | 10MP | 8MP | Marginal difference in selfie resolution. |
| Wide Angle + Macro Camera | 12.2MP | None | The S21+ offers more versatile shooting capabilities. |
| Video Recording | Up to 8K@24fps | 1080p@30fps | The S21+ offers far better video recording capabilities, including higher resolution and features. |
| Video Stabilization | Yes | No | The S21+ provides video stabilization resulting in smoother footage. |
| DXOMark Score | 111 (Mobile) | Not Available | The S21+ is a proven high-quality camera, the ZTE lacks any established performance benchmarks. |
| Camera Features | Extensive, including 8K, OIS, etc. | Basic features | The S21+ offers more control and advanced features for photography and videography. |
Battery
| Feature | Samsung Galaxy S21+ 5G | ZTE Blade A75 4G | Practical Impact |
|---|
| Capacity | 4800mAh | 5000mAh | The ZTE has a slightly larger battery, potentially offering marginally longer battery life, but real-world battery life will depend on usage and optimizations. |
| Charging | 25W Fast Charging | 22.5W Fast Charging | The S21+ charges a bit faster. |
| Additional Features | Wireless charging, Reverse wireless charging | None | The S21+ provides more flexible charging options. |
2. Key Differences Analysis
Samsung Galaxy S21+ 5G Advantages:
- Superior Display: AMOLED with higher resolution, pixel density, refresh rate, and brightness offers much better viewing experience, especially outdoors.
- Significantly Higher Performance: The Exynos 2100 chipset and Mali-G78 GPU provide a much faster and smoother experience for all tasks, including demanding apps and games.
- Versatile Camera System: The triple-lens setup with a dedicated telephoto, wide-angle, and macro lenses provides more creative freedom, better zoom, and higher quality video capture.
- Advanced Features: Includes wireless charging, reverse wireless charging, and more advanced camera features.
- Premium Build: Corning Gorilla Glass Victus protection for enhanced screen durability.
- Better Audio: Dolby Atmos, Hi-Res Audio, Noise cancellation microphone, Stereo Speakers for higher quality audio playback.
- Improved Connectivity: Supports newer WiFi standard and offers better location accuracy.
ZTE Blade A75 4G Advantages:
- Slightly Lighter: May be more comfortable for longer handling.
- Marginally Larger Battery: Could potentially provide slightly longer battery life.
- Newer Software: Ships with Android 13, which may provide some performance and security advantages over the S21+'s Android 11 (upgradeable to 15).
- Potentially Lower Price: Likely positioned as a budget-friendly option.
Trade-offs:
- Samsung Galaxy S21+ 5G: Higher cost and does not include a charger in the box.
- ZTE Blade A75 4G: Significant compromises in display quality, performance, camera capabilities, and features for a lower price.
3. User Profiles & Recommendations
Samsung Galaxy S21+ 5G:
- Ideal Users:
- Users who prioritize a high-quality display, premium performance, and versatile camera system.
- Gamers, content creators, and media consumers.
- Those who need a powerful device for multitasking and demanding applications.
- Users wanting premium design, build quality, and feature-rich phones.
- Use Cases:
- High-fidelity gaming.
- Professional-quality photo and video capture.
- Media consumption with vibrant colors and smooth playback.
- Power users needing smooth multitasking.
- Price-to-value: While more expensive, it provides a premium experience and is better for those wanting high-end features.
ZTE Blade A75 4G:
- Ideal Users:
- Budget-conscious users seeking a basic smartphone.
- Users who primarily need a phone for calls, texts, and basic social media.
- Those not needing a high performance camera or intensive gaming capabilities.
- Use Cases:
- Basic communication tasks.
- Light web browsing and social media.
- Simple everyday tasks without high performance demands.
- Price-to-value: Offers great value for those on a very tight budget, but comes with many compromises.
4. Decision Framework
Key Questions for Buyers:
- Budget: How much am I willing to spend on a smartphone?
- Primary Use: What will I use my phone for the most (e.g., gaming, social media, photography)?
- Longevity: How long do I expect to use this phone before upgrading?
Scenario-Based Recommendations:
- Scenario 1: Budget-conscious User: If your budget is a primary concern and your needs are basic, the ZTE Blade A75 4G is adequate, but be prepared for significant performance and feature limitations.
- Scenario 2: Performance and Display Prioritized: If you are a gamer or someone who watches lots of videos, or values premium smartphone features, the Samsung Galaxy S21+ 5G is the obvious choice.
- Scenario 3: Photography Focused: If camera quality is important, the S21+ offers significantly better camera performance and features, and is the clear choice between these two phones.
What I Would Choose and Why:
Based on the provided specifications, I would choose the Samsung Galaxy S21+ 5G. While it's an older phone, its superior display technology, processing power, versatile camera system, and advanced features provide a much better overall user experience compared to the ZTE Blade A75 4G. The ZTE sacrifices too much in performance and display quality, making the S21+ the better option for all but the most basic of use cases, and those users with very limited budgets. The smoother performance, better camera capabilities, and significantly superior display make the S21+ the better phone to use every day.
