Realme C31 vs Realme 9 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C31
Realme C31
Realme
Realme 9
Realme 9
Realme

General

Launch Date March 31, 2022 April 12, 2022
Release Year 2022 2022

Physical

Volume 105.28 cm³ 93.94 cm³
Screen Size to Weight Ratio 3.3 "/g 3.6 "/g
Weight 197 g 178 g
Height 164.7 mm 160.2 mm
Width 76.1 mm 73.3 mm
Thickness 8.4 mm 8 mm
Foldable Design No No
Available Colors
  • Light Silver
  • Dark Green
  • Meteor Black
  • Sunburst Gold
  • Stargaze White

Display

Screen Size 6.5 " 6.4 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.4 % 84.2 %
Pixel Density 270 PPI 411 PPI
Refresh Rate N/A 90 Hz
Typical Brightness 400 nits 430 nits
HBM Brightness N/A N/A
Peak Brightness N/A 1000 nits

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 122.07 mAh/in²
Battery Density 47.49 mAh/cm³ 53.22 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No No
Chipset Unisoc Tiger T612 (12 nm) Qualcomm SM6225 Snapdragon 680 4G (6 nm)
CPU Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU Mali-G57 Adreno 610

Connectivity

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

Software

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

Comparison Summary

Realme C31 vs. Realme 9: A User-Centered Comparison

As a technology communications specialist, my goal is to help you understand these phones through the lens of user experience, not just specs. Let's embark on this comparative journey.

1. Design and Usability Assessment

FeatureRealme C31Realme 9User Experience ImpactCategory
Display6.5" IPS LCD (720x1600)6.4" Super AMOLED (1080x2400), 90HzRealme 9 offers a significantly richer, smoother, and sharper visual experience.Interface Design
OS & InterfaceAndroid 11Android 12Realme 9 provides a more modern OS with potential UI/UX improvements.Interaction Flow
BiometricsFingerprint (side-mounted)Fingerprint (under display)Personal preference, but under-display feels more modern and integrated.Interaction Flow
Charging PortmicroUSB 2.0USB Type-C 2.0Realme 9 utilizes the more modern, reversible USB-C standard.Design Ergonomics
Weight & Dimensions197g, 8.4mm thick178g, 8mm thickRealme 9 is noticeably lighter and slightly thinner, improving handling.Design Ergonomics

2. Narrative-Driven Feature Exploration

Scenario: Imagine you're scrolling through your social media feed. On the Realme C31's IPS LCD, the experience is functional, but colors might appear slightly washed out, and scrolling could feel less fluid. With the Realme 9's Super AMOLED display and 90Hz refresh rate, that same feed bursts to life with vibrant colors and buttery smooth scrolling, making the experience more immersive and enjoyable. It's like the difference between watching a standard definition movie and a high-definition one.

Scenario: You're trying to capture a quick photo in a dimly lit restaurant. The Realme 9's superior camera hardware, featuring a 108MP main sensor compared to the C31's 13MP, allows you to capture significantly more detail and potentially better low-light performance. It's the difference between capturing a blurry memory and a crisp, shareable moment.

3. Inclusive Technology Evaluation

For a budget-conscious user: The Realme C31's lower price point makes it accessible to a wider audience. While compromising on some features, it still provides a functional smartphone experience.

For a user prioritizing visual experience: The Realme 9's superior display and camera make it a compelling choice for those who consume a lot of media or enjoy mobile photography.

For a user who values modern conveniences: The Realme 9's USB-C port and under-display fingerprint sensor offer a more contemporary user experience.

4. Design-Centric Decision Framework

While raw specs matter, the Realme 9 demonstrates a more thoughtful design philosophy focused on enhancing the user experience. Its superior display, more modern charging port, sleeker design, and improved camera contribute to a more enjoyable and engaging interaction with the device.

My Choice: Realme 9

I would choose the Realme 9. While the C31 offers excellent value for its price, the Realme 9 provides a tangible upgrade in user experience. The AMOLED display's vibrant colors and smooth refresh rate, combined with the improved camera, lighter weight, and modern design elements like the USB-C port, create a more compelling and enjoyable user experience. It represents a thoughtful evolution in design that prioritizes user interaction and satisfaction. The slightly higher price is justified by the significant jump in overall quality and user experience.

Sophia Rodriguez
Sophia Rodriguez

Technology Communications Specialist

Expert in transforming complex technological innovations into accessible, engaging narratives.

Key Strengths:

  • Technology storytelling
  • User experience design analysis
  • Inclusive technology communication
  • Design-driven technology insights

Bridging technical complexity with human-centered understanding.