Oppo Find X3 Pro vs Realme C51 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C51
Realme C51
Realme

General

Launch Date March 19, 2021 August 1, 2023
Release Year 2021 2023

Physical

Volume 100.48 cm³ 102.59 cm³
Screen Size to Weight Ratio 3.47 "/g 3.62 "/g
Weight 193 g 186 g
Height 163.6 mm 167.2 mm
Width 74 mm 76.7 mm
Thickness 8.3 mm 8 mm
Foldable Design No No
Available Colors
  • Blue
  • White
  • Gloss Black
  • Cosmic Mocha
  • Mars Edition
  • Photographer Edition
  • Mint Green
  • Carbon Black

Display

Screen Size 6.7 " 6.74 "
Resolution 1440 x 3216 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.2 % 85.5 %
Pixel Density 525 PPI 260 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness 500 nits N/A
HBM Brightness N/A N/A
Peak Brightness 1300 nits 560 nits

Hardware

Battery Capacity per Screen Area 100.25 mAh/in² 110.07 mAh/in²
Battery Density 44.78 mAh/cm³ 48.74 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Unisoc Tiger T612 (12 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Adreno 660 Mali-G57

Connectivity

USB Version 3.1 2.0
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version 14

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Oppo Find X3 Pro and Realme C51, focusing on practical implications:

Design

FeatureOppo Find X3 ProRealme C51Practical Impact
Dimensions163.6 × 74 × 8.3 mm167.2 × 76.7 × 8 mmRealme C51 is slightly taller and wider; Oppo is a tad thicker but not noticeably so. Minimal difference for daily handling.
Weight193g186gRealme C51 is slightly lighter, which could be more comfortable for extended use. The difference is small, though.

Display

FeatureOppo Find X3 ProRealme C51Practical Impact
Size6.7"6.74"Negligible difference in screen size; both are in the large screen category.
Resolution1440x3216720x1600Oppo Find X3 Pro offers a much sharper display, with significantly more detail, noticeable when reading small text or viewing images/videos.
PPI525260Oppo Find X3 Pro has noticeably higher pixel density, making the display much clearer and detailed.
TechnologyAMOLEDIPS LCDOppo Find X3 Pro's AMOLED offers superior contrast, deeper blacks, and more vibrant colors. Better for viewing videos and dark mode.
Refresh Rate120Hz90HzOppo Find X3 Pro provides smoother animations and scrolling, especially noticeable during gaming and social media browsing.
Brightness1300 nits0 nitsOppo Find X3 Pro is much better visible outdoors in bright sunlight due to its very high brightness. The Realme C51 brightness is not specified.

Performance

FeatureOppo Find X3 ProRealme C51Practical Impact
ChipsetQualcomm Snapdragon 888 5G (5 nm)Unisoc Tiger T612 (12 nm)Oppo Find X3 Pro is significantly faster; better for demanding apps, gaming, and multitasking. Realme C51 is more suitable for basic tasks.
AnTuTu Score876,500220,000Oppo Find X3 Pro has dramatically better performance, smoother app loading and switching, superior gaming capabilities.
GPUAdreno 660Mali-G57Oppo Find X3 Pro provides a much more powerful GPU, resulting in a better gaming experience and smoother graphic rendering.

Camera

FeatureOppo Find X3 ProRealme C51Practical Impact
Main Camera50MP, f/1.8, 1/1.56" sensor50MP, f/1.8, 1/2.76" sensorOppo Find X3 Pro has a larger sensor, enabling better light gathering and image quality, especially in low light conditions.
Selfie Camera32MP, f/2.4, 1/2.74" sensor5MP, f/2.2, 1/5" sensorOppo Find X3 Pro takes far more detailed selfies; the Realme C51 is likely to capture lower detail. The Realme C51's wider aperture may be better for low-light selfies, but the sensor size is significantly smaller.
Telephoto Lens13MP, f/2.4, 1/3.4" sensorNoOppo Find X3 Pro offers optical zoom capabilities, allowing clear zoomed images without significant quality loss. Realme C51 has no optical zoom.
Wide Angle Lens50MP, f/2.2, 1/1.56" sensorNoOppo Find X3 Pro includes a wide angle lens for capturing expansive scenes. Realme C51 has no wide-angle lens.
VideoUp to 4K@60fps with HDR & EIS1080p@30fpsOppo Find X3 Pro offers superior video recording quality, supporting 4K at higher frame rates and HDR, resulting in sharper, more dynamic videos; slow motion at 480 fps.
DXOMARK ScoreMobile: 128, Photo: 134, Video: 125Not testedOppo Find X3 Pro has been tested and rated higher in camera quality.
Camera Features4K Video, Optical zoom, Quadruple camera, OIS, Continuous autofocus, Manual focus, RAW, etc.Digital zoom, Dual camera, autofocus, HDR, etc.Oppo Find X3 Pro offers many more camera features such as 4K Video, Optical zoom, OIS and manual controls for advanced photography and videography.

Battery

FeatureOppo Find X3 ProRealme C51Practical Impact
Capacity4500mAh5000mAhRealme C51 has a larger battery, potentially offering longer battery life for daily usage.
Charging65W fast charging33W fast chargingOppo Find X3 Pro charges significantly faster, reducing downtime.
FeaturesReverse charging, 30W wireless charging, Reverse wireless chargingNo additional features specifiedOppo Find X3 Pro has additional charging features such as wireless charging and reverse wireless charging to charge other devices.

Other

FeatureOppo Find X3 ProRealme C51Practical Impact
Operating SystemAndroid 11 (upgradable to 14)Android 13Realme C51 has a more recent version out of the box.
WiFiWiFi 6 (802.11ax)802.11acOppo Find X3 Pro supports the latest WiFi standard, offering faster and more reliable wireless connections.
Bluetooth5.25.0Oppo Find X3 Pro has a newer Bluetooth version, offering slightly better range and power efficiency.
GPSGPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), QZSS (L1 + L5)GPS, A-GPS, GLONASS, GalileoOppo Find X3 Pro supports more satellite systems for more accurate location tracking.
Storage256GB/512GB64GB/128GB/256GBOppo Find X3 Pro offers a high storage capacity and more configurations, suitable for users with large amounts of data.
RAM12GB/16GB4GB/6GBOppo Find X3 Pro has more RAM for smoother multitasking and better app performance, especially for demanding apps.
Expandable StorageNoNoNeither phone supports expandable storage, requiring users to choose their storage variant carefully.
AudioDolby Atmos, Stereo SpeakersNoise cancellation microphoneOppo Find X3 Pro has more advanced audio capabilities including stereo speakers for improved audio experience. The Realme C51 has a noise cancelling microphone.
Securitybasic fingerprint sensorside-mounted fingerprint sensorRealme C51 has a more modern side-mounted fingerprint sensor.
Screen ProtectionCorning Gorilla Glass 5UnspecifiedOppo Find X3 Pro uses Corning Gorilla Glass 5 offering superior screen protection.
SensorsFingerprint, Proximity, Accelerometer, Compass, GyroscopeFingerprint, Proximity, AccelerometerOppo Find X3 Pro offers more sensors such as compass and gyroscope that may be useful for certain tasks.

2. Key Differences Analysis

Oppo Find X3 Pro Advantages:

  • Superior Display: Higher resolution, pixel density, AMOLED technology, 120Hz refresh rate, and much brighter screen for outdoor visibility.
  • Significantly Higher Performance: More powerful chipset and GPU, leading to faster app loading, smoother multitasking, and better gaming experience.
  • Advanced Camera System: Larger sensor in the main camera, higher-resolution selfie camera, dedicated telephoto and wide-angle lenses, superior video capabilities including 4K, and many camera modes.
  • Faster Charging and Additional Battery Features: 65W fast charging, plus wireless charging, and reverse wireless charging.
  • Faster Connectivity: Supports WiFi 6 and Bluetooth 5.2 for faster and more reliable wireless connections and more advanced features.
  • More RAM and Storage: Offers more RAM and higher storage capacity.

Realme C51 Advantages:

  • Larger Battery Capacity: Offers slightly longer battery life.
  • Newer Android OS: Comes with a more recent version of Android out of the box.
  • Side-mounted fingerprint sensor: A more modern implementation of biometric security.
  • Potentially more affordable: Likely priced lower, appealing to budget-conscious consumers.

Trade-offs:

  • The Oppo Find X3 Pro, while superior in most aspects, is likely more expensive and may not fit the budget of every user.
  • The Realme C51 prioritizes battery life and cost-effectiveness over performance and display quality.

3. User Profiles & Recommendations

Oppo Find X3 Pro:

  • Ideal User: Power users, photography enthusiasts, gamers, and those who prioritize a premium display and performance.
  • Use Cases:
    • Gaming: Smooth and responsive gaming experience with demanding titles.
    • Photography/Videography: Capturing high-quality photos and videos with advanced features.
    • Multimedia Consumption: Enjoying high-resolution videos and games with a great display.
    • Productivity: Multitasking between demanding apps.
    • Outdoor use: The high brightness display makes it perfect for outdoor use, even in bright sunlight.
  • Price-to-Value: Offers premium features and high performance, justifying its higher price tag.

Realme C51:

  • Ideal User: Budget-conscious users, those needing a reliable phone for basic tasks, and those prioritizing battery life.
  • Use Cases:
    • Basic Daily Tasks: Browsing the web, social media, calls, and messaging.
    • Long Battery Life: Need a phone that can last through a full day of moderate usage.
    • Students and First-Time Smartphone Buyers: Affordable and meets basic needs.
  • Price-to-Value: Provides a solid experience for its price point, focusing on affordability and battery life.

4. Decision Framework

Here are three key questions for buyers to consider:

  1. What is my budget? If you're on a tight budget, the Realme C51 will be the better option. If you have more flexibility the Oppo Find X3 Pro should be considered.

  2. How important is display quality and performance to me? If you need a high-resolution, high-refresh rate display and powerful performance for gaming or demanding apps, choose the Oppo Find X3 Pro. If you're okay with a less impressive display and basic performance, the Realme C51 should be sufficient.

  3. What is my primary use case for this phone? If you primarily browse social media, make calls, and use basic apps, the Realme C51 is adequate. If you're a content creator, gamer, or someone who needs advanced features the Oppo Find X3 Pro is the clear winner.

Scenario-Based Recommendations:

  • Scenario 1: You want a top-tier experience, including a premium display, fantastic camera, and top-notch performance: Choose the Oppo Find X3 Pro.
  • Scenario 2: You need a reliable phone for everyday use, focusing on battery life and affordability: Choose the Realme C51.
  • Scenario 3: You want the best possible camera quality for photos and video and do not care about cost: Choose the Oppo Find X3 Pro.

My Choice

If I were choosing between these two phones, I would personally choose the Oppo Find X3 Pro. While the Realme C51 offers good value for the budget-conscious, the Find X3 Pro provides a far superior overall experience in terms of display quality, performance, camera capabilities, and additional features like faster charging, wireless charging, and more advanced connectivity options. As someone who frequently uses my phone for content consumption, photography, and sometimes gaming, the Oppo Find X3 Pro's advantages would be more beneficial for me in my day-to-day usage. Despite the higher price, the added value and improved overall user experience make the Find X3 Pro the more compelling choice. The only situation I would choose the Realme C51 is if my budget was extremely limited and the additional cost of the Find X3 Pro was not possible.

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.