Motorola Moto G31 vs Motorola Moto G42 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date December 6, 2021 June 28, 2022
Release Year 2021 2022

Physical

Volume 102.89 cm³ 94.32 cm³
Screen Size to Weight Ratio 3.54 "/g 3.66 "/g
Weight 181 g 175 g
Height 161.9 mm 160.4 mm
Width 73.9 mm 73.5 mm
Thickness 8.6 mm 8 mm
Foldable Design No No
Available Colors
  • Mineral Grey
  • Baby Blue
  • Atlantic Green
  • Metallic Rose

Display

Screen Size 6.4 " 6.4 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 82.7 % 83.9 %
Pixel Density 411 PPI 411 PPI
Refresh Rate N/A 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 122.07 mAh/in² 122.07 mAh/in²
Battery Density 48.59 mAh/cm³ 53.01 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6769Z Helio G85 (12 nm) Qualcomm SM6225 Snapdragon 680 4G (6 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU Mali-G52 MC2 Adreno 610

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 12
Maximum OS Version

Comparison Summary

Okay, let's dive into a detailed comparison of the Motorola Moto G31 and Moto G42. Here's a breakdown designed to help you understand the nuances between these two mid-range contenders.

1. Specifications Breakdown

FeatureMotorola Moto G31Motorola Moto G42Real-World Implications
Design
Launch Date2021-12-062022-06-28The G42 is newer, potentially benefiting from more recent software and hardware improvements.
Dimensions161.9 × 73.9 × 8.6 mm160.4 × 73.5 × 8 mmThe G42 is slightly more compact, potentially feeling a bit more comfortable in the hand. The G31 is thicker by 0.6mm.
Weight181g175gThe G42 is 6g lighter, which could be more comfortable over extended use.
Display
Size6.4"6.4"Identical display size, both feel similar for viewing.
Resolution1080x24001080x2400Both provide a sharp, detailed visual experience for typical daily use.
Pixel Density411 PPI411 PPIIdentical sharpness, similar viewing experience.
TechnologyAMOLEDAMOLEDBoth have vibrant AMOLED displays with deep blacks, excellent for media consumption.
Refresh Rate60Hz60HzBoth provide standard screen experience, not suitable for fast-paced gaming.
Brightness0 nits0 nitsThis data point is missing and needs to be found to compare it properly.
Performance
ChipsetMediatek Helio G85 (12nm)Snapdragon 680 4G (6nm)The Snapdragon 680 is more power-efficient, offering better performance and battery life over the Mediatek G85.
AnTuTu Score225,154249,000The G42 has around 11% better performance based on benchmarks, noticeable in slightly smoother overall performance.
GPUMali-G52 MC2Adreno 610The Adreno 610 generally performs better in graphics-intensive tasks and games than the Mali-G52 MC2.
Battery Life
Capacity5000mAh5000mAhBoth should offer all-day battery life for most users.
Charging10W Fast Charging20W Fast ChargingThe G42 charges significantly faster, a clear advantage for those who need to quickly top up their battery.
Battery TypeLi-PolymerLi-IonNo real-world noticeable impact difference
Camera
Standard Camera50MP, f/1.850MP, f/1.8Comparable standard camera sensors, image quality should be similar.
Selfie Camera13MP, f/2.216MP, f/2.2The G42 has a slightly higher resolution for selfies, potentially capturing more detail.
Wide Angle8MP, f/2.08MP, f/2.2The G31 has a slightly wider aperture, potentially better low-light performance than G42.
Macro Lens2MP, f/2.42MP, f/2.4Similar macro capabilities on both.
Video Recording1080p@30fps, Slow-mo:120fps1080p@30fps, No Slow-moBoth offer standard 1080p recording, the G31 has slower-motion video recording.
Camera FeaturesOptical zoom, Digital Image stabilizationN/AThe G31 has additional features which might slightly improve image quality by a small margin
Software
OSAndroid 11Android 12The G42 has a newer OS version, meaning it will benefit from the latest updates and patches.
Connectivity
WiFi802.11a/b/g/n/ac802.11a/b/g/n/acBoth phones have the same WiFi specifications.
Bluetooth5.0 LE5.0 LEBoth provide standard Bluetooth for audio and peripheral connections.
GPSGPS, A-GPS, GLONASS, etcGPS, A-GPS, GLONASS, etcBoth have the same global positioning capabilities.
SIMDual SIM Dual StandbyDual SIM Dual StandbyBoth support dual SIM usage, a standard feature.
Storage
Internal64/128 GB64/128 GBBoth devices offer the same internal storage options.
RAM4 GB4/6 GBThe G42 can be configured with more RAM (6GB), for better multi-tasking.
Expandable StorageNoNoNeither phone allows for external storage, a potential limitation.
Audio
QualityDolby Atmos, 2 microphonesDolby Atmos, Stereo SpeakersThe G42 has a better audio experience due to the inclusion of stereo speakers while G31 has two microphones
Security
FeaturesSide-mounted fingerprintSide-mounted fingerprintSimilar fingerprint authentication.
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, Gyroscope, HallFingerprint, Proximity, Accelerometer, Compass, GyroscopeG31 has an additional Hall Sensor

2. Key Insights

Motorola Moto G31 Strengths:

  • Wider aperture for Wide-Angle Lens: Its f/2.0 aperture on the wide-angle lens should help in low-light photography.
  • Slow-Motion Recording: The G31 offers slow-motion recording capabilities at 120fps, absent on the G42.
  • Optical zoom, Digital image stabilization: Has extra camera features which are missing in Moto G42.
  • Hall Sensor: For advanced sensor utilization in applications and games.

Motorola Moto G42 Strengths:

  • Newer Chipset: The Snapdragon 680 (6nm) provides better power efficiency and marginally better overall performance than the Helio G85 (12nm).
  • Faster Charging: 20W fast charging is a significant advantage, allowing for quicker battery top-ups.
  • Higher Resolution Selfie Camera: The 16MP front camera captures a bit more detail compared to the G31's 13MP sensor.
  • Newer Android OS: Comes with Android 12 out of the box, benefiting from the latest features and security updates.
  • Stereo Speakers: Provides more immersive audio experience, making it better for media consumption.
  • More RAM: the device comes with 6GB of RAM variant.

Trade-offs and Limitations:

  • No Expandable Storage: Both phones lack microSD card slots, potentially limiting storage for large media libraries.
  • 60Hz Refresh Rate: Neither phone has high refresh rate displays, which are not ideal for smooth gaming experience.
  • G31 Slow Motion: The slow-motion recording is limited to 30fps.

3. User Profiles and Recommendations

Motorola Moto G31 is best for:

  • Budget-Conscious Shoppers: Users on a very tight budget who prioritize value over absolute performance.
  • Casual Photographers: Users who need slow motion recording and are interested in low light photography using the wide angle camera.

Motorola Moto G42 is best for:

  • Everyday Users: Users who need an efficient, reliable phone for daily tasks like browsing, social media, and basic photography.
  • Media Consumers: People who enjoy watching videos or listening to music on their phone, thanks to stereo speakers and slightly better overall performance.
  • Users Who Need Fast Charging: Those who need their devices charged quickly.
  • Moderate Gamers: Users interested in light to medium gaming.

4. Buying Decision Framework

Here are three questions to help you decide between these phones:

  1. How much does fast charging matter to me? If you hate waiting for your phone to charge, the G42’s 20W fast charging is a significant benefit.
  2. Is the latest software important to me? If you prefer to always be on the latest Android version with the newest security updates, the G42 is a clear choice.
  3. Do I need to use the slow-motion video option or the wide angle camera in low light? If either of these camera options are something you would be using often, then G31 might be the better pick for you.

Scenario-Based Recommendations:

  • Scenario 1: Value-Focused User: If you want the most value for the lowest price, the G31 would be your best option, but don't expect cutting edge features.
  • Scenario 2: Balanced Performance and Convenience: If you want a smooth, efficient device with good overall performance, fast charging, and a newer Android version, the Moto G42 is the better option.
  • Scenario 3: Camera Enthusiast on a Budget: If you are a camera enthusiast on a budget and do need slow motion video option or the wide angle camera in low light, then the G31 is a great choice.

My Choice

Personally, I would choose the Motorola Moto G42. Here's why:

While the Moto G31 has its strengths, like a wider aperture and slow motion recording on the wide-angle lens and the Hall sensor, the Moto G42 offers a more compelling overall package for most users. The faster charging, the more efficient Snapdragon 680 chipset, the newer Android version, and the stereo speakers create a better daily user experience. The minor improvement in the selfie camera is also a plus. As someone who values efficiency and responsiveness, the Moto G42’s improvements in those areas would be more useful for me in the long run. While the lack of a slow-motion camera is a minor miss, it's not a deal-breaker. I also use my phone for watching videos and listening to music, so the inclusion of stereo speakers is a great addition. In my view, these improvements will bring more practical daily value compared to the G31.

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.