Motorola One 5G Ace vs Realme C31 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C31
Realme C31
Realme

General

Launch Date January 14, 2021 March 31, 2022
Release Year 2021 2022

Physical

Volume 125.14 cm³ 105.28 cm³
Screen Size to Weight Ratio 3.16 "/g 3.3 "/g
Weight 212 g 197 g
Height 166.1 mm 164.7 mm
Width 76.1 mm 76.1 mm
Thickness 9.9 mm 8.4 mm
Foldable Design No No
Available Colors
  • Frosted Silver
  • Volcanic Gray
  • Light Silver
  • Dark Green

Display

Screen Size 6.7 " 6.5 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.7 % 81.4 %
Pixel Density 393 PPI 270 PPI
Refresh Rate N/A N/A
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 111.38 mAh/in² 118.34 mAh/in²
Battery Density 39.96 mAh/cm³ 47.49 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM7225 Snapdragon 750G 5G (8 nm) Unisoc Tiger T612 (12 nm)
CPU Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570) Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Adreno 619 Mali-G57

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version

Comparison Summary

1. Specifications Comparison

Design

FeatureMotorola One 5G AceRealme C31Practical Impact
Dimensions166.1 × 76.1 × 9.9 mm164.7 × 76.1 × 8.4 mmRealme C31 is slightly shorter and noticeably thinner, making it potentially more comfortable to hold and pocket. Motorola is bulkier.
Weight212g197gRealme C31 is lighter by 15g, which is noticeable during extended use, especially one-handed.
BuildStandardStandardBoth are standard build. No special protection

Display

FeatureMotorola One 5G AceRealme C31Practical Impact
Size6.7"6.5"Motorola One 5G Ace has a slightly larger display, which may be more immersive for media consumption and gaming. The difference is minor, 0.2 inches.
Resolution1080x2400720x1600Motorola One 5G Ace offers a much sharper image. Text and images will appear clearer, especially beneficial for reading and detail-oriented tasks.
PPI393270The higher pixel density of the Motorola One 5G Ace results in a more crisp and detailed display compared to the Realme C31.
TechnologyIPS LCDIPS LCDBoth phones offer similar LCD technology with comparable color reproduction and viewing angles.
Refresh Rate60Hz60HzBoth offer standard 60Hz refresh rate. No difference.
Brightness0 nits0 nitsBrightness value is not available for either phone, which is a crucial missing spec for practical comparison in outdoor usage.

Performance

FeatureMotorola One 5G AceRealme C31Practical Impact
ChipsetQualcomm SM7225 Snapdragon 750G 5G (8 nm)Unisoc Tiger T612 (12 nm)The Snapdragon 750G in the Motorola One 5G Ace provides significantly better performance for gaming and multitasking. It is more power-efficient thanks to its smaller fabrication process.
AnTuTu Score330,000224,223Motorola One 5G Ace benchmarks higher, indicating smoother and faster app loading, multitasking, and gameplay than Realme C31.
GPUAdreno 619Mali-G57 MP1The Adreno 619 in the Motorola One 5G Ace is a more capable GPU for gaming than the Mali-G57 in the Realme C31. Expect better graphic rendering, and smoother gameplay.

Camera

FeatureMotorola One 5G AceRealme C31Practical Impact
Rear Camera48MP (f/1.7) + 8MP (f/2.2) Wide Angle + 2MP (f/2.4) Macro13MP (f/2.2) + 2MP (f/2.4) Macro + 2MP (f/2.8) B&WThe Motorola One 5G Ace has a higher resolution main sensor (48MP) with a wider aperture (f/1.7) that leads to better low-light performance. It also includes a dedicated wide-angle lens for more flexibility. The Realme C31's additional B&W lens is less practical.
Selfie Camera16MP (f/2.2)5MP (f/2.2)The Motorola One 5G Ace's front camera produces significantly sharper and more detailed selfies. Better for video calls.
Video4K@30fps, 1080p@60fps (with EIS)1080p@30fpsThe Motorola One 5G Ace can record much higher resolution video, which is great for quality and flexibility. Also supports 60fps recording for smoother action shots. It offers better EIS for stable, smooth footage.
FeaturesPDAF, LAF, RAW, Night Mode, EISPDAF, CDAF, EISMotorola One 5G Ace's Laser Autofocus (LAF) offers faster and more accurate focus, the RAW format gives more control for editing, and dedicated Night mode is better for low-light shots. Realme C31 has Contrast Detection Autofocus (CDAF) which is a less advanced autofocus technology

Battery

FeatureMotorola One 5G AceRealme C31Practical Impact
Capacity5000mAh5000mAhBoth offer similar battery capacity for a full day of average use.
Charging15W Fast Charging (Li-Ion)10W Fast Charging (Li-Polymer)Motorola One 5G Ace charges faster, reducing downtime. The charging difference is not significant enough to be a key selling point.
Battery FeaturesNon-removable, 10W rapid charger in-boxNon-removableBoth batteries are not user-removable and Motorola comes with a 10W in-box charger.

2. Key Differences Analysis

Motorola One 5G Ace Advantages:

  • Superior Display: Higher resolution and pixel density resulting in sharper and more detailed visuals.
  • Significantly Better Performance: More powerful processor and GPU for smoother multitasking, faster app loading, and better gaming.
  • Enhanced Camera System: Higher resolution main camera with wider aperture, dedicated wide-angle lens, and significantly better selfie camera for superior photography capabilities, plus better video recording at 4K.
  • Faster Charging: 15W charging over Realme's 10W charging.
  • More Modern Bluetooth: Bluetooth 5.1 over 5.0 in the Realme.
  • Additional Camera Features: Laser Auto Focus, RAW image capture and a dedicated night mode.
  • Better Audio: Equipped with 2 microphones, improving audio clarity and noise reduction.

Realme C31 Advantages:

  • Lighter and Thinner Design: More portable and comfortable to hold than the Motorola.
  • Dual SIM Support: Ability to use two SIM cards simultaneously, ideal for users with multiple numbers.
  • More satellite systems: Beidou is supported on top of the standard GPS systems.
  • Side mounted fingerprint sensor: More modern and arguably more convenient.
  • Newer OS out of the box: Android 11 vs Android 10 in Motorola.
  • CDAF Auto Focus: Contrast Detection Auto Focus might be more accurate.

Trade-offs:

  • The Motorola sacrifices some portability and design for performance, camera, and display quality.
  • The Realme offers greater portability and dual SIM functionality at the expense of performance, display quality, and camera capabilities.
  • The Motorola lacks the dual-sim functionality.

3. User Profiles & Recommendations

Motorola One 5G Ace is ideal for:

  • Multimedia Enthusiasts: Users who heavily consume videos, play games, and want a sharp, detailed display.
  • Casual Photographers: Users who want a versatile camera system with good image quality, and enjoy taking selfies.
  • Power Users: Those who need a device for multitasking, running apps smoothly, and handling graphic intensive applications.
  • Users wanting better audio: The 2 microphone system provides slightly better audio recording.

Realme C31 is ideal for:

  • Budget-Conscious Users: Users who prioritize affordability and battery life over high-end specs.
  • Users needing Dual SIM Functionality: Those who need to manage multiple phone numbers.
  • Users who value Portability: Individuals who prefer a lighter and thinner phone for easier handling and carrying around.
  • Users that prefer a modern side mounted fingerprint sensor
  • Users who want the latest version of Android OS out of the box

Use Cases:

  • Motorola One 5G Ace: Enjoying streaming 4k content, playing graphic-intensive games, capturing detailed photos and video, video conferencing.
  • Realme C31: Making phone calls and messages, using navigation and social media, browsing the web, basic photography and video recording.

4. Decision Framework

Key Questions for Buyers:

  1. What is my primary usage for the phone? (e.g., multimedia, gaming, basic communication, work)
  2. How important is display and camera quality? (e.g., high-resolution screen for content viewing, quality camera for photography)
  3. How important is portability and dual-SIM functionality? (e.g., thin and light phone vs. ability to use two SIMs)

Scenario-Based Recommendations:

  • Scenario 1: Media and Gaming Focused: If you are focused on watching videos, playing games, and want the best display and performance, choose the Motorola One 5G Ace.
  • Scenario 2: Budget-Conscious and Basic Usage: If you prioritize cost, battery life, dual-SIM, and a light phone, then the Realme C31 is the better option.
  • Scenario 3: Balanced Usage: If you need a balance, prioritize the features that are most important to you.

Personal Choice

If I were to choose between these two phones, I would pick the Motorola One 5G Ace. While it may be slightly less convenient in terms of size and weight, the advantages in performance, display quality, and camera capabilities far outweigh these drawbacks for my use case. I often watch videos, play games, and take photos. The higher resolution and sharper display, combined with the better camera system, would be a better fit for my needs. The performance boost would also lead to a more enjoyable experience. Dual SIM functionality is not a priority for me. While the Realme C31 is more affordable and lighter, it compromises on crucial areas for me. The Motorola provides a more polished and functional experience.

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.