OnePlus 8 Pro vs Motorola Moto G31 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 8 Pro
OnePlus 8 Pro
Oneplus

General

Launch Date April 21, 2020 December 6, 2021
Release Year 2020 2021

Physical

Volume 104.54 cm³ 102.89 cm³
Screen Size to Weight Ratio 3.41 "/g 3.54 "/g
Weight 199 g 181 g
Height 165.3 mm 161.9 mm
Width 74.4 mm 73.9 mm
Thickness 8.5 mm 8.6 mm
Foldable Design No No
Available Colors
  • Glacial Green
  • Ultramarine Blue
  • Onyx Black
  • Mineral Grey
  • Baby Blue

Display

Screen Size 6.78 " 6.4 "
Resolution 1440 x 3168 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 90.8 % 82.7 %
Pixel Density 513 PPI 411 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 98.11 mAh/in² 122.07 mAh/in²
Battery Density 43.14 mAh/cm³ 48.59 mAh/cm³
Battery Capacity 4510 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Mediatek MT6769Z Helio G85 (12 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Adreno 650 Mali-G52 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version 13

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 8 ProMotorola Moto G31Practical Impact
Design
Dimensions165.3 x 74.4 x 8.5 mm, 199g161.9 x 73.9 x 8.6 mm, 181gThe Moto G31 is noticeably lighter and slightly smaller, making it more comfortable for one-handed use and extended holding.
Build QualityCorning Gorilla Glass 6Unknown screen protectionThe OnePlus 8 Pro offers superior screen protection against scratches and drops. The lack of information on the Moto G31's screen protection is concerning.
Display
Size6.78"6.4"The OnePlus 8 Pro provides a larger viewing area for more immersive media consumption and multitasking.
Resolution1440 x 3168 (513 PPI)1080 x 2400 (411 PPI)Significantly sharper and more detailed visuals on the OnePlus 8 Pro, especially noticeable when viewing high-resolution images or videos.
Refresh Rate120Hz60HzThe OnePlus 8 Pro's 120Hz refresh rate delivers a noticeably smoother and more fluid user experience, particularly in gaming and scrolling.
Brightness1300 nits0 nits (Data Missing - cannot compare)The missing brightness data for the Moto G31 prevents a comparison, but 1300 nits on the OnePlus 8 Pro ensures excellent outdoor visibility.
Performance
ChipsetSnapdragon 865 5GHelio G85The Snapdragon 865 in the OnePlus 8 Pro is significantly more powerful, resulting in much faster performance across all tasks, including demanding games and applications.
RAM8GB/12GB4GBThe OnePlus 8 Pro offers significantly more RAM, enabling smoother multitasking and better performance with memory-intensive apps.
Storage128GB/256GB64GB/128GBMore storage options on the OnePlus 8 Pro cater to users with larger media libraries and app collections.
Camera
Main Camera48MP, f/1.78, 1/1.4" sensor50MP, f/1.8, 1/2.76" sensorWhile the Moto G31 has a higher megapixel count, the OnePlus 8 Pro boasts a larger sensor and wider aperture, likely resulting in better low-light performance and depth of field.
VersatilityTelephoto, Wide Angle + MacroWide Angle, MacroThe OnePlus 8 Pro offers more versatile camera options with its dedicated telephoto lens for optical zoom and a combined wide-angle/macro lens. The Moto G31 has separate wide and macro lenses.
Video4K@60fps, 1080p@240fps1080p@30fpsThe OnePlus 8 Pro offers significantly better video recording capabilities with higher resolution and frame rate options.
Battery
Capacity4510 mAh5000 mAhThe Moto G31 has a slightly larger battery capacity, potentially offering longer battery life.
Charging30W wired, 30W wireless10W wiredSignificantly faster charging on the OnePlus 8 Pro, both wired and wirelessly.

2. Key Differences Analysis

OnePlus 8 Pro Advantages:

  • Significantly more powerful: Superior performance in all aspects due to a flagship-level processor and more RAM.
  • Higher quality display: Sharper, smoother, and brighter display with a 120Hz refresh rate.
  • Faster charging: Supports significantly faster wired and wireless charging.
  • More versatile camera system: Offers optical zoom with a dedicated telephoto lens and higher quality video recording capabilities.

Motorola Moto G31 Advantages:

  • Lighter and more compact: Easier to hold and carry for extended periods.
  • Potentially longer battery life: Slightly larger battery capacity.
  • Lower price point: (Assumed, as no price information provided) Likely more budget-friendly.

3. User Profiles & Recommendations

OnePlus 8 Pro: Ideal for users who prioritize performance, a high-quality display, fast charging, and a versatile camera system. Suitable for power users, gamers, and content creators.

Motorola Moto G31: Best suited for budget-conscious users who prioritize basic functionality, long battery life, and a compact design. Suitable for casual users primarily focused on communication, web browsing, and light media consumption.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The OnePlus 8 Pro is likely significantly more expensive.
  2. What are your performance needs? For demanding tasks, the OnePlus 8 Pro is essential.
  3. What features do you prioritize? Consider display quality, camera capabilities, charging speed, and battery life.

My Choice: OnePlus 8 Pro

While lacking specific pricing information, the OnePlus 8 Pro is the clear winner for me. The superior performance, stunning display with a 120Hz refresh rate, versatile camera system, and fast charging outweigh the Moto G31's advantages in battery size and portability. The significantly more powerful processor and ample RAM ensure a smooth and future-proof experience. As someone who values performance and a premium user experience, I'm willing to compromise slightly on battery size and portability for the substantial gains offered by the OnePlus 8 Pro. The unknown screen protection on the Moto G31 is also a significant concern.

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.

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Bridging technical complexity with engaging, accessible narratives.