Motorola Moto G31 vs ZTE Blade A75 4G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date December 6, 2021 July 1, 2024
Release Year 2021 2024

Physical

Volume 102.89 cm³ 106.97 cm³
Screen Size to Weight Ratio 3.54 "/g 3.49 "/g
Weight 181 g 189 g
Height 161.9 mm 164.1 mm
Width 73.9 mm 75.8 mm
Thickness 8.6 mm 8.6 mm
Foldable Design No No
Available Colors
  • Mineral Grey
  • Baby Blue
  • Basalt Black
  • Aqua Green
  • Marble White

Display

Screen Size 6.4 " 6.6 "
Resolution 1080 x 2400 720 x 1612
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 82.7 % 84.1 %
Pixel Density 411 PPI 267 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 122.07 mAh/in² 114.78 mAh/in²
Battery Density 48.59 mAh/cm³ 46.74 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6769Z Helio G85 (12 nm) Unisoc T606 (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU Mali-G52 MC2 Mali-G57 MP1

Connectivity

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

Software

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

Comparison Summary

Alright, let's dive deep into the Motorola Moto G31 and the ZTE Blade A75 4G. On paper, they seem like they're playing in the same ballpark, but a closer look reveals some crucial differences that will impact the daily experience.

1. Specifications Breakdown

Here's a detailed breakdown of the key specifications, focusing on what they mean for you in the real world:

FeatureMotorola Moto G31ZTE Blade A75 4GReal-World Implications
Design
Size161.9 x 73.9 x 8.6 mm164.1 x 75.8 x 8.6 mmZTE is slightly taller and wider but both are equally as thick; noticeable if you have smaller hands.
Weight181g189gMotorola is a bit lighter, which could matter during extended use; slight difference noticeable by hand.
Display
Size6.4"6.6"ZTE has a slightly larger display, making media consumption a little more immersive.
Resolution1080x2400720x1612Motorola’s higher resolution results in a sharper and clearer picture, making text and images look better.
Pixel Density (PPI)411267Motorola's display will be noticeably crisper with more detail.
TechnologyAMOLEDIPS LCDMotorola's AMOLED provides richer colors, deeper blacks, and is more power-efficient, especially with dark themes.
Refresh Rate60Hz90HzZTE’s 90Hz refresh rate will make scrolling and animations feel slightly smoother, but the lower pixel density takes away from this advantage
Brightness0 nits0 nitsBoth have identical peak brightness (data missing); hard to compare without actual brightness numbers.
Performance
ChipsetMediatek Helio G85Unisoc T606Different chipsets, but neither are high-end; expect similar basic performance for daily tasks.
Antutu Score225,154240,000ZTE has a marginal edge in benchmark scores, but real-world performance could feel similar.
GPUMali-G52 MC2Mali-G57 MP1Different GPUs: the impact in gaming is uncertain without testing, likely comparable but nothing special.
Camera
Main Camera50MP, f/1.850MP, f/1.8Comparable main cameras, with good quality in decent lighting; image quality is hard to determine without further tests.
Selfie Camera13MP, f/2.28MPMotorola offers a higher-resolution front camera for clearer selfies, a 5MP difference is noticeable.
Wide Angle Lens8MP, f/2.0NoneMotorola provides a useful wide-angle option for capturing more of a scene.
Macro Lens2MP, f/2.4NoneMotorola offers dedicated macro lens for detailed close-up shots.
Video Recording1080p@30fps, slow-mo1080p@30fps, no slow-moBoth record similar-quality video but only Motorola offers slow-motion functionality.
FeaturesTriple Cam, Laser AFDual CamMotorola has a more versatile camera setup, whilst ZTE only has a dual setup.
Battery
Capacity5000mAh5000mAhSame battery capacity means similar battery life, generally a full day for typical usage.
Charging10W fast charging22.5W fast chargingZTE charges significantly faster, reducing waiting times to get back to full charge; a welcome advantage.
Software & Other
OSAndroid 11Android 13ZTE comes with a newer version of Android, offering better features, security, and likely longer support.
Internal Storage64GB/128GB128GB/256GBZTE offers a higher storage option, great for those with a lot of media and apps.
RAM4GB4GB/8GBZTE offers a model with more RAM, enhancing multitasking and handling memory-intensive apps; 8GB RAM is good enough for any use.
Expandable StorageNoNoNeither device allows expandable storage, so choose a model with ample built-in space.
Audio QualityDolby Atmos, 2 MicsDTS/DTS XMotorola’s Dolby Atmos provides a more immersive audio experience; ZTE has DTS for its own spatial audio.
SensorsCompass, GyroscopeAccelerometer, GyroscopeMotorola’s compass allows for more comprehensive sensor data for specific apps.

2. Key Insights

Motorola Moto G31

  • Strengths: Its AMOLED display is a standout, providing a much better viewing experience with higher resolution, rich colors, and better contrast. It also boasts a more versatile camera setup with a wide-angle and macro lens, as well as more camera features for creative photographers. The Dolby Atmos enhances the audio experience, and more comprehensive sensor support is welcome for apps that rely on it.
  • Competitive Advantages: Better display quality, more versatile camera system, and enhanced audio features are its key selling points.
  • Limitations: The slower 10W charging and older version of Android are significant drawbacks. The lack of expandable storage is also a miss.

ZTE Blade A75 4G

  • Strengths: It has a slightly larger screen and a smoother 90Hz refresh rate (though offset by lower pixel density). The faster 22.5W charging and the newer version of Android are valuable improvements. The 256 GB storage option and 8GB RAM option are great for more demanding users.
  • Competitive Advantages: Faster charging, a newer OS version, and larger storage options.
  • Limitations: Its lower-resolution LCD screen is a clear downgrade compared to the Motorola’s AMOLED display. The camera system is also less versatile, lacking wide-angle and macro lenses. Its sensor suite isn’t as comprehensive, as well.

3. User Profiles and Recommendations

  • Motorola Moto G31: Ideal for users who prioritize display quality and camera versatility over all else. If you value a better screen, enjoy mobile photography, and don't mind slightly slower charging and an older Android OS, this is the one for you.
  • ZTE Blade A75 4G: Best suited for those who want a more modern device with faster charging and the latest version of Android, prioritize larger storage options, and prefer a smoother screen experience over high resolution. It’s a more practical device for general use with very fast charging and very large storage options for the price.

4. Buying Decision Framework

To help you decide, consider these questions:

  1. How much does screen quality matter to you? If you prioritize vibrant colors, deeper blacks, and higher clarity, the Motorola Moto G31 is the obvious choice. If you can live without a high-quality screen and prefer smoother scrolling and animations, the ZTE is the better option.
  2. How important is fast charging? The ZTE Blade A75 4G offers more than twice the charging speed. If you need to quickly juice up your phone, this is a big deal.
  3. Do you need a versatile camera? If you want a wide-angle lens and a macro lens, Motorola is your best bet. The ZTE's dual camera setup is more basic and may leave you wanting more.

Scenario-Based Recommendations:

  • Content Consumption: If you spend a lot of time watching videos or browsing social media, the Motorola Moto G31’s AMOLED screen will provide a superior viewing experience.
  • Mobile Photography Enthusiast: The Motorola Moto G31 is the better option due to its triple-camera setup, offering more versatile shooting options.
  • Power User: The ZTE Blade A75 4G’s faster charging, larger storage, and newer OS provide better overall practicality for users who want the most features for the price.
  • Budget Conscious: If price is the primary concern, both phones are good budget-friendly options, but consider which device's strengths better align with your needs.

My Choice

If I had to choose, I would lean towards the ZTE Blade A75 4G. While the Motorola’s AMOLED screen and versatile camera are certainly tempting, the faster charging, newer OS, more storage, and RAM options are a better fit for me. A higher refresh rate is also welcome. The convenience of a 22.5W fast charger and the latest software on Android outweigh the slightly lesser screen quality. Ultimately, for me, practicality and longevity take priority.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.