Motorola Edge 20 vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification
Motorola Edge 20
Motorola Edge 20
Motorola

General

Launch Date August 16, 2021 May 24, 2024
Release Year 2021 2024

Physical

Volume 86.72 cm³ 106.65 cm³
Screen Size to Weight Ratio 4.11 "/g 3.48 "/g
Weight 163 g 193 g
Height 163 mm 168.4 mm
Width 76 mm 76.3 mm
Thickness 7 mm 8.3 mm
Foldable Design No No
Available Colors
  • Frosted Grey
  • Frosted White
  • Frosted Emerald
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.7 " 6.71 "
Resolution 1080 x 2400 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 87.5 % 82.9 %
Pixel Density 385 PPI 268 PPI
Refresh Rate 144 Hz 90 Hz
Typical Brightness N/A 500 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 89.11 mAh/in² 111.05 mAh/in²
Battery Density 46.13 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM7325 Snapdragon 778G 5G (6 nm) Unisoc T603 (22 nm)
CPU Octa-core (1x2.4 GHz Cortex-A78 & 3x2.2 GHz Cortex-A78 & 4x1.9 GHz Cortex-A55) Octa-core 1.8 GHz
GPU Adreno 642L 8

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 12 16

Comparison Summary

Alright, let's break down the Motorola Edge 20 versus the Xiaomi Redmi A3x. We'll go beyond the spec sheet and dive into what these differences actually mean for you.

1. Specifications Breakdown

Here's a detailed look, keeping it real and relatable:

FeatureMotorola Edge 20Xiaomi Redmi A3xReal-World Implications
Design
Launch Date2021-08-162024-05-24The A3x is much newer; expect longer software support.
Dimensions163 × 76 × 7 mm, 163g168.4 × 76.3 × 8.3 mm, 193gEdge 20 is thinner and noticeably lighter, feels better in hand for extended use.
Display
Size6.7"6.71"Virtually identical screen size; negligible difference.
Resolution1080x2400720x1650Edge 20 has a much sharper display; videos and text will look significantly better.
PPI385268Edge 20 will display far crisper images and text.
TechnologyOLEDIPS LCDEdge 20's OLED has richer colors, deeper blacks, and better contrast.
Refresh Rate144Hz90HzEdge 20 feels smoother, especially when scrolling or gaming.
Brightness0 nits0 nitsPeak brightness is identical, but the OLED display will likely perform better in direct sunlight.
Performance
ChipsetSnapdragon 778G 5G (6 nm)Unisoc T603 (22 nm)Edge 20 is significantly faster; apps load quicker, games run smoother.
AnTuTu Score589,200239,000Confirms Edge 20 is substantially more powerful.
GPUAdreno 642LMali-G57 MP1Edge 20 has much better graphics; better for demanding games.
Battery Life
Capacity4020mAh5000mAhA3x has a bigger battery, meaning longer runtime between charges.
Charging30W Fast Charging10W Fast ChargingEdge 20 charges much faster, getting you back up and running quicker.
FeaturesReverse ChargingNon-removableEdge 20 can charge other devices wirelessly.
Camera
Main Camera108MP f/1.98MP f/2.2Edge 20 takes far more detailed photos, especially in good lighting.
Selfie Camera32MP f/2.35MP f/2.2Edge 20 captures sharper and more detailed selfies.
Telephoto LensYesNoEdge 20 can zoom without significant loss of quality.
Wide Angle + MacroYesNoEdge 20 captures wider scenes and close-up shots.
VideoUp to 4K@30fpsUp to 1080p@30fpsEdge 20 records higher quality video.
Features4K, Optical Zoom, DISDigital Zoom, DISEdge 20 offers more versatile camera capabilities.
Software
OSAndroid 11 (upgradable to 12)Android 14 (upgradable to 16)A3x has a newer Android version and a longer upgrade lifecycle.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 5Edge 20 has faster and more efficient Wi-Fi.
Bluetooth5.24.2Edge 20 has a more modern and efficient Bluetooth connection.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, BeidouEdge 20 gets a faster and more reliable GPS lock.
Storage
Internal128/256 GB64/128 GBEdge 20 offers more storage for apps, photos, and videos.
RAM6/8 GB3/4 GBEdge 20 handles multitasking much better.
ExpandableNoNoNeither phone can expand storage with a microSD card.
Security
FeaturesSide FingerprintSide FingerprintBoth have a basic fingerprint sensor.
Build Quality
ProtectionGorilla Glass 3Gorilla Glass 3Basic screen protection on both.
SensorsComprehensiveBasicEdge 20 offers a richer sensor suite.

2. Key Insights

  • Motorola Edge 20 Strengths:

    • Display: Far superior OLED display with a higher resolution and refresh rate.
    • Performance: Significantly faster processor and GPU.
    • Camera: Much better camera system with higher resolution sensors, telephoto lens, and 4K video recording.
    • Connectivity: More advanced Wi-Fi and Bluetooth.
    • Design: Thinner and lighter.
  • Xiaomi Redmi A3x Strengths:

    • Battery Life: Larger battery capacity.
    • Software: Newer Android version with likely longer update support.
    • Price: Most likely significantly cheaper.
  • Trade-offs and Limitations:

    • The Motorola Edge 20 is older, so software updates might not be as long-lived as the A3x.
    • The Xiaomi Redmi A3x is a budget phone; performance and camera quality are noticeably inferior.

3. User Profiles and Recommendations

  • Motorola Edge 20: Ideal for users who prioritize display quality, performance, and camera capabilities. Think of mobile gamers, social media enthusiasts, and anyone who consumes a lot of video content.

  • Xiaomi Redmi A3x: Best for budget-conscious users who primarily need a phone for basic communication and don't require high-end performance or camera features. Great for first-time smartphone owners or those who need a secondary device.

4. Buying Decision Framework

Here are three key questions to ask yourself:

  1. How important is display quality to you? If you value a sharp, vibrant screen, the Edge 20 is the clear winner.
  2. What's your budget? If you're on a tight budget, the A3x is the obvious choice.
  3. How important is future software support? The A3x, being newer, will likely get more Android updates.

Scenario-Based Recommendations:

  • "I want the best possible experience for gaming and watching videos." Choose the Motorola Edge 20.
  • "I just need a basic phone for calls, texts, and occasional browsing on a budget." Choose the Xiaomi Redmi A3x.
  • "I want a balance of features and affordability." You'll have to consider if the better screen and performance of the Edge 20 are worth the extra cost, especially considering it is an older device.

My Choice:

Personally, I would choose the Motorola Edge 20. Here's why: I heavily prioritize display quality and performance. I spend a significant amount of time watching videos, browsing social media, and playing mobile games. The Edge 20's OLED display with a 144Hz refresh rate would provide a far more enjoyable and immersive experience. While the A3x has a larger battery and newer software, these benefits don't outweigh the significant performance and display advantages of the Edge 20 for my specific needs.

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.