Oppo Find X3 Neo vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date March 19, 2021 May 24, 2024
Release Year 2021 2024

Physical

Volume 92.74 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.56 "/g 3.48 "/g
Weight 184 g 193 g
Height 159.9 mm 168.4 mm
Width 72.5 mm 76.3 mm
Thickness 8 mm 8.3 mm
Foldable Design No No
Available Colors
  • Galactic Silver
  • Starlight Black
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.55 " 6.71 "
Resolution 1080 x 2400 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 89.3 % 82.9 %
Pixel Density 402 PPI 268 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 500 nits 500 nits
HBM Brightness N/A N/A
Peak Brightness 1100 nits N/A

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 111.05 mAh/in²
Battery Density 48.52 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Unisoc T603 (22 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core 1.8 GHz
GPU Adreno 650 8

Connectivity

USB Version 2.0 N/A
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0, OTG USB Type-C

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 12 16

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Oppo Find X3 Neo and Xiaomi Redmi A3x, focusing on practical implications:

Design

FeatureOppo Find X3 NeoXiaomi Redmi A3xPractical Impact
Dimensions159.9 × 72.5 × 8 mm168.4 × 76.3 × 8.3 mmThe Redmi A3x is noticeably taller, wider and slightly thicker, making the Find X3 Neo more pocketable and easier to handle for smaller hands.
Weight184g193gThe Find X3 Neo is slightly lighter, reducing fatigue during extended use.
Build Quality (Screen Protection)Corning Gorilla Glass 5Corning Gorilla Glass 3The Find X3 Neo has superior screen protection, offering better scratch and impact resistance.

Display

FeatureOppo Find X3 NeoXiaomi Redmi A3xPractical Impact
Size6.55"6.71"The Redmi A3x offers a slightly larger screen for immersive viewing, but the difference is not substantial for most users.
Resolution1080x2400720x1650The Find X3 Neo has a much sharper display, with text and images appearing clearer and more detailed.
PPI402268The Find X3 Neo offers a significantly sharper display, with crisper images and text.
TechnologyAMOLEDIPS LCDThe Find X3 Neo provides superior contrast, deeper blacks, and more vibrant colors. Also, the AMOLED is more energy efficient when using a dark theme.
Refresh Rate90Hz90HzBoth phones offer smooth scrolling and animations.
Brightness1100 nits0 nitsThe Find X3 Neo is much easier to view in bright sunlight. The Redmi A3x does not have specified brightness, and will likely struggle in sunny conditions.

Performance

FeatureOppo Find X3 NeoXiaomi Redmi A3xPractical Impact
ChipsetQualcomm Snapdragon 865 5G (7 nm+)Unisoc T603 (22 nm)The Find X3 Neo provides significantly faster app loading, smoother multitasking, and better gaming performance.
AnTuTu Score743,500239,000The Find X3 Neo offers vastly superior overall performance, making it significantly more future-proof for demanding apps.
GPUAdreno 650Mali-G57 MP1The Find X3 Neo has a much more powerful GPU, offering better graphics processing for games and graphic-intensive apps.

Camera

FeatureOppo Find X3 NeoXiaomi Redmi A3xPractical Impact
Main Camera50MP, f/1.8, 1/1.56" Sony IMX7668MP, f/2.2, Unknown SensorThe Find X3 Neo captures significantly more detailed images, has a wider aperture for better low-light performance, and overall is much better quality.
Selfie Camera32MP, f/2.4, 1/2.74" Sony IMX6155MP, f/2.2, Unknown SensorThe Find X3 Neo captures significantly sharper and more detailed selfies with a wider aperture for low-light photography.
Telephoto Lens13MP, f/2.4Not AvailableThe Find X3 Neo provides optical zoom capabilities for capturing distant subjects with better quality.
Wide Angle Lens16MP, f/2.2Not AvailableThe Find X3 Neo allows for capturing wider scenes, fitting more into the frame.
Macro Lens2MP, f/2.4Not AvailableThe Find X3 Neo allows for detailed close-up photography.
Video Recording4K@60fps with HDR, EIS1080p@30fpsThe Find X3 Neo can record much higher quality videos with better image stabilization.
Video Slow-motion480 fpsNot availableThe Find X3 Neo can record significantly higher slow-motion with 480fps while the Xiaomi Redmi A3x does not offer any slow-motion capability
DxOMark Score106 (Mobile)Not AvailableThe Find X3 Neo has been benchmarked as a very capable camera phone, the Redmi A3x has not been tested.

Battery

FeatureOppo Find X3 NeoXiaomi Redmi A3xPractical Impact
Capacity4500 mAh5000 mAhThe Redmi A3x offers slightly longer battery life, though real-world difference may not be substantial.
Charging65W Fast Charging10W Fast ChargingThe Find X3 Neo charges much faster, taking only minutes compared to hours for the Redmi A3x.
FeaturesReverse ChargingNo reverse chargingThe Find X3 Neo can be used to charge other devices wirelessly, adding convenience.

Other | Feature | Oppo Find X3 Neo | Xiaomi Redmi A3x | Practical Impact | |---------|---------|---------|-----------------| | OS | Android 11, Max: 12 | Android 14, Max: 16 | The Redmi A3x ships with a newer OS and is likely to receive more software updates in the future. | | WiFi | Wi-Fi 6 (802.11ax) | 802.11ac | The Find X3 Neo supports Wi-Fi 6, which offers faster speeds and more stable connections, and better performance in crowded networks | | Bluetooth | 5.1 LE | 4.2 LE | The Find X3 Neo has better energy efficiency and audio codecs. | | GPS | QZSS, Galileo | Not Included | The Find X3 Neo offers more accurate location tracking, especially in urban environments. | | Storage Options | 128GB or 256GB | 64GB or 128GB | The Find X3 Neo offers larger storage options for users with many photos, videos and apps. | | RAM | 12GB | 3GB or 4GB | The Find X3 Neo is much better for multitasking and playing demanding games. | | Audio | Hi-Res Audio, Stereo Speakers | Basic audio | The Find X3 Neo offers superior audio fidelity and a more immersive sound experience. | | Fingerprint Sensor | basic fingerprint sensor | Side-mounted fingerprint sensor | The Xiaomi Redmi A3x sensor is more practical. | | Sensors | Fingerprint, Gyroscope, Compass | Ultrasonic proximity virtual | The Find X3 Neo has more comprehensive sensors for gaming, augmented reality, and advanced apps. |

2. Key Differences Analysis

Oppo Find X3 Neo Advantages:

  • Superior Display: AMOLED screen with higher resolution and brightness, resulting in a significantly better viewing experience.
  • Significantly Higher Performance: The Snapdragon 865 chipset provides dramatically better speed and responsiveness for all tasks, from everyday use to demanding games.
  • Much Better Camera System: The camera is significantly more capable, especially in low light, with 4K video and additional features like optical zoom and a wide angle lens.
  • Faster Charging: 65W charging drastically reduces charging time.
  • Better Audio: Hi-Res audio and stereo speakers provide a more immersive experience.
  • More Comprehensive Sensors: Fingerprint, Gyroscope, and Compass allow for advanced apps and gaming capabilities.
  • Superior Connectivity: Wifi 6 and Bluetooth 5.1 provide better wireless speed and efficiency.

Xiaomi Redmi A3x Advantages:

  • Newer Android Version: Ships with a more recent OS version, potentially offering better long-term software support.
  • Slightly Larger Battery: The larger battery might provide slightly longer battery life, though this can depend greatly on usage.
  • Side-mounted Fingerprint Sensor: A more convenient position for the fingerprint sensor.

Trade-offs:

  • Oppo Find X3 Neo: While an older model, the Find X3 Neo is the superior device in almost every aspect. The biggest trade-off is that it is using an older software (Android 11) that will likely not receive as many updates as the newer A3x.
  • Xiaomi Redmi A3x: The Redmi A3x has a much lower screen resolution, much poorer performance and a much worse camera. The trade off for these disadvantages are a slightly longer battery, and a more convenient side-mounted fingerprint reader.

3. User Profiles & Recommendations

Ideal User for Oppo Find X3 Neo:

  • Users who prioritize high-quality display and overall experience.
  • Gamers or users of demanding apps who need excellent performance.
  • Photography enthusiasts who want a versatile and high-quality camera system.
  • Users who value premium features and faster charging.
  • Users willing to spend more for superior hardware and performance.

Use Cases:

  • Mobile gaming on the go.
  • High-quality photo and video creation and editing.
  • Streaming or viewing high-resolution videos.
  • Using apps that require high speed or graphical capabilities.

Ideal User for Xiaomi Redmi A3x:

  • Budget-conscious users who need basic smartphone functionality.
  • Users who prioritize a long battery life.
  • Users who are not concerned with camera performance or high-end display quality.
  • Users primarily focused on calls, basic social media and web browsing.

Use Cases:

  • Basic web browsing and social media.
  • Everyday tasks like calls and messaging.
  • Users who need a backup phone with basic functionality.
  • Users who prefer a side-mounted fingerprint reader.

Price-to-Value Ratio:

  • The Find X3 Neo will likely be more expensive due to its higher-end specifications. However, it offers a significantly superior overall experience that justifies the cost for users who prioritize performance and quality.
  • The Redmi A3x is the more budget-friendly option and a great choice for those who only require basic phone functionality.

4. Decision Framework

Key Questions to Consider:

  1. How much do you value performance and speed? If you want a smooth user experience for gaming, demanding apps, and general multitasking, the Oppo Find X3 Neo is the clear choice.
  2. How important is camera quality to you? If you want to capture high-quality photos and videos, the Find X3 Neo's superior camera will make a significant difference.
  3. What is your budget? If you are on a tight budget and need a basic device for basic needs, the Redmi A3x is a valid option, though you will experience performance issues compared to the Find X3 Neo.

Scenario-Based Recommendations:

  • Scenario 1: Performance and Camera Priority: If you are a power user who wants the best possible performance and camera quality for mobile gaming, photography, or media consumption, the Oppo Find X3 Neo is the obvious choice.

  • Scenario 2: Budget and Basic Functionality: If you are on a limited budget and need a basic smartphone for basic tasks like calls, messaging, and occasional web browsing, the Xiaomi Redmi A3x is a more affordable alternative. You will need to compromise on display quality, camera performance, and overall speed.

  • Scenario 3: Battery Life Priority: If battery life is your main concern, the Xiaomi Redmi A3x offers slightly better battery life over the Find X3 Neo, but this is at the cost of performance, camera and display.

My Choice

If I were choosing between these two phones, I would absolutely go for the Oppo Find X3 Neo. Although it is an older model, its strengths in performance, display quality, camera capabilities and faster charging, more than outweigh the advantages of the A3x. I prioritize a smooth and high quality overall user experience, which I know the Find X3 Neo can provide. The A3x may have the advantage of being a newer phone, but it just can't compete with the overall quality of the Find X3 Neo. The newer Android version of the A3x is not enough to make me choose it over all the other benefits of the Find X3 Neo.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

Key Strengths:

  • Mobile technology analysis
  • Digital media communication
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.