1. Specifications Comparison
Design
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| Dimensions | 164 × 75.9 × 9.1 mm | 164.1 × 75.3 × 8.9 mm | Very similar size; vivo is slightly thinner; minimal difference in hand feel. |
| Weight | 206g | 221g | The A02 is lighter, which might be more comfortable for longer use. The vivo is slightly heavier. |
Display
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| Size | 6.5" | 6.78" | vivo X100 Pro has a slightly larger screen for more immersive viewing, but not dramatically larger. |
| Resolution | 720x1600 | 1260x2800 | vivo X100 Pro has a significantly sharper display; text, images, and videos appear much clearer and more detailed. |
| PPI | 270 | 452 | The vivo offers a much crisper display, noticeable in everyday use. |
| Technology | PLS LCD | AMOLED | AMOLED has superior contrast, deeper blacks, more vibrant colors, and better power efficiency. The vivo will have richer visual experience. |
| Refresh Rate | 60Hz | 120Hz | vivo X100 Pro has much smoother scrolling and animations. It is more responsive. |
| Brightness | 0 nits | 3000 nits | The vivo screen is much brighter in direct sunlight, making it easy to read outdoors; A02 brightness unknown. |
Performance
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| Chipset | Mediatek MT6739W (28 nm) | Mediatek Dimensity 9300 (4 nm) | The vivo X100 Pro has a much more powerful and efficient chipset; the phone will be faster, smoother, and more responsive. |
| AnTuTu Score | 50,774 | 1,881,325 | The vivo X100 Pro is drastically faster, handling heavy tasks with ease. The Samsung will be slow and will struggle with heavier tasks. |
| GPU | PowerVR GE8100 | Immortalis-G720 MC12 | The vivo offers vastly superior graphics performance, allowing for smooth, high-fidelity gaming. The Samsung will not handle modern games well. |
Camera
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| Standard Camera | 13MP, f/1.9 | 50MP, f/1.75, 1", Sony IMX989 | The vivo's primary camera captures more detail, has better low-light performance, and overall better quality, due to the larger sensor, and wider aperture. |
| Selfie Camera | 5MP, f/2.0 | 32MP, f/2.0, 1/2.8", Samsung S5KGD2 | The vivo selfie camera captures more details for clearer images and videos. |
| Wide Angle Lens | None | 50MP, f/2.0, 1/2.76", Samsung S5KJN1 | The vivo offers a wide-angle camera for more versatile shooting. |
| Macro Lens | 2MP, f/2.4 | None | The A02 has a dedicated macro lens, but the vivo may be able to do macros using other cameras. |
| Telephoto + Macro | None | 50MP, f/2.5, 1/2", Omnivision OV64B | The vivo's telephoto allows for great optical zoom, but also can be used for macro photography. |
| Video Recording | 1080p@30fps | 8K@30fps, 4K@60fps | The vivo offers much higher video quality and features. |
| DXOMark Score | Not Tested | Mobile: 150, Photo: 149, Video: 145 | The vivo has excellent camera performance while the A02 has not been tested. |
| Camera Features | Basic Features | Extensive: Cinematic Mode, Flicker sensor, OIS, Gimbal, RAW | The vivo has far more advanced shooting options. |
Battery
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| Capacity | 5000mAh | 5400mAh | The vivo has a slightly larger battery, which may provide slightly longer battery life. |
| Charging | 7.5W | 100W | The vivo charges dramatically faster, going from 0% to 100% in a fraction of the time. |
| Features | Non-removable | Reverse charging, Wireless charging 50W, Non-removable | The vivo has wireless and reverse charging which are great additional features. |
Software
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| OS | Android 10, upgradable to 11 | Android 14, upgradable to 15 | The vivo X100 Pro has a newer OS, providing better features and more long term software support. |
Connectivity
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| WiFi | 802.11b/g/n | 802.11a/b/g/n/ac/ax/be | The vivo has much better wireless connection capabilities offering much better speed, range and latency. |
| Bluetooth | 4.2 LE | 5.4 LE | The vivo X100 Pro has a newer version of Bluetooth, which is more efficient, faster and has more capabilities. |
| GPS | GPS, A-GPS, GLONASS | GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo | The vivo offers more reliable location services. |
| SIM | Dual SIM (Nano) | Dual SIM (Nano/eSIM) | The vivo supports eSIM, which can be very convenient for traveling internationally. |
Storage
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| Internal Storage | 32GB or 64GB | 256GB, 512GB, or 1024GB | The vivo has dramatically more storage space. |
| RAM | 2GB, 3GB, or 4GB | 12GB or 16GB | The vivo has much more RAM, which translates to smooth multitasking and overall better performance. |
| Expandable Storage | No | No | Neither phone has expandable storage. |
Audio
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| Quality | Dolby Atmos | Dolby Atmos, Hi-Res Audio, Stereo Speakers | The vivo has a superior sound experience. |
Security
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| Features | Basic | Fingerprint Sensor | The vivo has a fingerprint sensor for biometric security. |
Build Quality
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| Screen Protection | Unknown | Unknown | Both phones use similar screen protection technology. Details are not known. |
Sensors
| Feature | Samsung Galaxy A02 | vivo X100 Pro | Practical Impact |
|---|---|---|---|
| Sensors | Proximity, Accelerometer | Fingerprint, Proximity, Accelerometer, Compass, Gyroscope | The vivo has a much more comprehensive set of sensors. |
2. Key Differences Analysis
Samsung Galaxy A02 Advantages:
- Lighter: Significantly lighter, making it comfortable for extended use.
- Slightly Lower Price: The Samsung is a budget phone, and will be considerably cheaper.
Practical Implications of Samsung Galaxy A02 Advantages:
- Comfort: The lighter weight is noticeable and will make the phone more convenient for daily use, especially for people who use their phone a lot.
- Affordability: The main reason for buying this phone would be due to its low price.
vivo X100 Pro Advantages:
- Superior Display: Significantly higher resolution, pixel density, AMOLED technology, 120Hz refresh rate, and much higher brightness, offering a vastly superior viewing experience.
- Much Faster Performance: High-end chipset, significantly higher AnTuTu score, and much more powerful GPU for smooth multitasking, app loading, and gaming.
- Superior Camera System: Higher-resolution main and selfie cameras, additional wide-angle and telephoto lenses, better video recording capabilities, and much more advanced camera features.
- Faster Charging: 100W fast charging.
- More RAM and Storage: Much more RAM for smoother performance and significantly more storage.
- Newer Software: Runs on a newer version of Android for better features and future-proofing.
- Advanced Connectivity: Newer Wi-Fi and Bluetooth standards for faster and more reliable connections.
- Extra Features: Reverse charging, wireless charging, and more sensors.
Practical Implications of vivo X100 Pro Advantages:
- Visual Experience: The screen is superior in every way.
- Performance: Offers a much smoother and faster experience in all aspects of usage.
- Photography: Takes much higher quality photos, has versatile shooting options and can shoot professional quality videos.
- Battery: Charges from 0% to 100% in minutes.
- Future-Proofing: It will be relevant and modern much longer.
Trade-offs:
- The vivo X100 Pro is much more expensive.
- The vivo X100 Pro is slightly heavier than the Samsung Galaxy A02.
3. User Profiles & Recommendations
Samsung Galaxy A02:
Ideal User:
- Budget-conscious individuals
- Users with basic smartphone needs (calls, texts, light browsing)
- People who prioritize a lightweight phone
- Elderly users that have never used a smartphone before.
Use Cases:
- Basic communication and social media
- Light web browsing
- Basic photography and video
vivo X100 Pro:
Ideal User:
- Users who demand top-tier performance
- Photography and videography enthusiasts
- Mobile gamers
- Users who consume a lot of multimedia
- Users who need a smartphone for work.
Use Cases:
- Demanding mobile games
- High-quality photo and video capture
- Heavy multitasking
- Professional work
- Immersive multimedia consumption.
Price-to-Value Ratio:
- Samsung Galaxy A02: Offers basic functionality at a low price. Its price to value is good, for its target audience.
- vivo X100 Pro: Offers exceptional performance and features, reflecting its high price. Its price to value is good, for users who want a very high quality device.
4. Decision Framework
Key Questions for Buyers:
- What is your budget? The A02 is a budget phone; the vivo is a top-end premium flagship device.
- What are your main use cases? Do you want basic communication, or something for photography and gaming?
- How much do you value performance and features vs affordability? Are you willing to compromise on camera, display and performance for a lower price?
Scenario-Based Recommendations:
- Budget-Conscious User: If your budget is very limited, and you need a basic smartphone, the Samsung Galaxy A02 is the only choice.
- Performance and Camera Enthusiast: If you want the best possible performance, camera quality and features, the vivo X100 Pro is far superior.
- General User: If your budget is flexible, and you use your phone for browsing, media consumption, social media and occasional gaming, it is worth getting the vivo X100 Pro due to the much better user experience.
My Choice
I would choose the vivo X100 Pro. While the price is significantly higher, it offers a vastly superior user experience in almost every aspect. The display, camera, performance, and features are all top-tier. As someone who values a smooth and responsive experience, excellent photo quality, and the ability to handle demanding tasks without lag, the vivo X100 Pro is the clear winner. The A02 may be a good fit for the extremely budget conscious, however, for the vast majority of users, the massive increase in features, performance and overall usability make the vivo X100 Pro a much better choice.
