Samsung Galaxy A72 vs Xiaomi Redmi A3 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date March 26, 2021 February 23, 2024
Release Year 2021 2024

Physical

Volume 107.28 cm³ 106.58 cm³
Screen Size to Weight Ratio 3.3 "/g 3.48 "/g
Weight 203 g 193 g
Height 165 mm 168.3 mm
Width 77.4 mm 76.3 mm
Thickness 8.4 mm 8.3 mm
Foldable Design No No
Available Colors
  • Awesome Black
  • Awesome White
  • Awesome Blue
  • Awesome Violet
  • Midnight Black
  • Forest Green (Olive Green)
  • Star Blue (Lake Blue)

Display

Screen Size 6.7 " 6.71 "
Resolution 1080 x 2400 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 84.9 % 82.9 %
Pixel Density 394 PPI 268 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness 800 nits 500 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 111.38 mAh/in² 111.05 mAh/in²
Battery Density 46.61 mAh/cm³ 46.91 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM7125 Snapdragon 720G (8 nm) Mediatek Helio G36 (12 nm)
CPU Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) Octa-core (4x2.2 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
GPU Adreno 618 PowerVR GE8320

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy A72 and Xiaomi Redmi A3, focusing on practical implications:

Design

FeatureSamsung Galaxy A72Xiaomi Redmi A3Practical Impact
Physical Size165 × 77.4 × 8.4 mm168.3 × 76.3 × 8.3 mmThe Redmi A3 is slightly taller and narrower. Differences are minor and unlikely to have a significant impact on handling.
Weight203g193gThe Redmi A3 is lighter by 10g, which may provide a slightly more comfortable feel during extended use.

Display

FeatureSamsung Galaxy A72Xiaomi Redmi A3Practical Impact
Size6.7"6.71"Virtually identical screen sizes.
Resolution1080x2400720x1650The A72's higher resolution results in significantly sharper images and text, making reading and media consumption much clearer.
PPI394268The higher pixel density on the A72 leads to a much crisper and more detailed display.
TechnologyAMOLEDIPS LCDThe A72's AMOLED display offers richer colors, deeper blacks, and better contrast, leading to a superior viewing experience, particularly in dark environments.
Refresh Rate90Hz90HzBoth phones have smooth scrolling and animations with 90Hz refresh rate.
Brightness800 nits0 nitsThe A72's display is much brighter, making it significantly easier to see outdoors under direct sunlight. The Redmi A3's brightness is missing, which suggests it's much lower and not suitable for outdoor use.

Performance

FeatureSamsung Galaxy A72Xiaomi Redmi A3Practical Impact
ChipsetQualcomm Snapdragon 720G (8 nm)MediaTek Helio G36 (12 nm)The Snapdragon 720G is a more powerful and efficient processor, resulting in smoother performance, faster app loading, and better gaming capabilities.
AnTuTu Score285,000127,000The A72 scores more than twice as high, indicating a significantly faster and more responsive experience.
GPUAdreno 618PowerVR GE8320The Adreno 618 provides better graphics processing, leading to smoother gameplay and better performance in graphics-intensive applications.

Camera

FeatureSamsung Galaxy A72Xiaomi Redmi A3Practical Impact
Standard Camera Resolution64MP8MPThe A72's main camera captures much more detail, resulting in better photos, especially in good lighting.
Standard Camera Aperturef/1.8f/2.0The wider aperture on the A72 allows it to capture more light, leading to better performance in low-light conditions.
Telephoto + Portrait Camera8MPNoneThe A72 provides better portrait mode shots with more natural background blur, and the telephoto lens allows for better zoomed-in shots.
Selfie Camera Resolution32MP5MPThe A72's selfie camera captures much more detail, leading to better quality selfies and video calls.
Wide Angle Lens12MPNoneThe A72 allows for capturing expansive landscape shots or large group photos.
Macro Lens5MPNoneThe A72 can take detailed close-up shots.
Video RecordingUp to 4K@30fps with EIS1080p@30fpsThe A72 can record higher-resolution videos with electronic image stabilization for smoother footage. The Redmi A3 lacks both 4K and video stabilization.
DxOMark Mobile Score9245The A72 offers significantly better image quality in photos and videos according to DxOMark's testing.
Camera FeaturesExtensive (OIS, PDAF, Night Mode)BasicThe A72 provides more features like optical stabilization (OIS) for clearer photos and videos and PDAF for faster autofocus.

Battery

FeatureSamsung Galaxy A72Xiaomi Redmi A3Practical Impact
Capacity5000mAh5000mAhBoth offer similar battery life, suitable for a full day of moderate usage.
Charging25W fast charging10W fast chargingThe A72 charges much faster, reducing downtime.

Software & Connectivity

FeatureSamsung Galaxy A72Xiaomi Redmi A3Practical Impact
Operating SystemAndroid 11 (Upgradable to 12)Android 14The Redmi A3 has a more recent Android version, but the A72 has received an update to Android 12.
WiFi802.11ac802.11acBoth have dual-band Wi-Fi. The A72 also supports Wi-Fi Display for screen mirroring.
Bluetooth5.05.3The Redmi A3 has a newer Bluetooth version, offering better power efficiency and potentially improved connection stability
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, BeidouThe A72 offers slightly more precise location tracking with Galileo.

Other

FeatureSamsung Galaxy A72Xiaomi Redmi A3Practical Impact
Internal Storage128/256 GB64/128 GBThe A72 offers more storage for those who need it.
RAM6/8 GB3/4/6 GBThe A72 has more RAM, supporting better multitasking.
Expandable StorageNoNoNeither phone supports microSD cards for storage expansion.
AudioDolby Atmos, Stereo SpeakersBasic AudioThe A72 has better audio with Dolby Atmos and stereo speakers.
SecurityBasic fingerprint sensorSide-mounted fingerprint sensorThe A72 has a less advanced fingerprint sensor compared to the Redmi A3.
Screen ProtectionUnknownCorning Gorilla Glass 3The Redmi A3 provides superior protection against scratches and drops.
SensorsComprehensive (Fingerprint, Proximity, Compass, Gyroscope, Hall, Geomagnetic)Basic (Accelerometer, Ultrasonic Proximity Virtual)The A72 has a more comprehensive sensor suite for more features and gaming.

2. Key Differences Analysis

Samsung Galaxy A72 Advantages:

  • Superior Display: AMOLED with higher resolution, higher pixel density, and much higher brightness provides better visual quality and outdoor visibility.
  • Much Better Performance: More powerful Snapdragon 720G chipset and superior GPU, leading to faster performance and gaming.
  • Better Camera System: Significantly higher resolution cameras, telephoto lens, macro lens, and much better image quality, especially with its wide angle lens and OIS. 4K video recording is a major advantage.
  • Faster Charging: 25W charging compared to the Redmi A3's 10W.
  • Better Audio: Enhanced with Dolby Atmos and stereo speakers.
  • More RAM and Storage: Up to 8 GB of RAM and 256 GB of Storage.

Xiaomi Redmi A3 Advantages:

  • Newer Android OS: Comes with a more recent version of Android (14) out of the box.
  • Newer Bluetooth: Has the most recent Bluetooth version 5.3.
  • Slightly Lighter: 10g lighter.
  • Side-mounted Fingerprint Scanner: Potentially a more convenient fingerprint scanner.
  • Superior Screen Protection: Equipped with Corning Gorilla Glass 3 for improved durability.

Trade-offs:

  • A72: The Galaxy A72 is older (2021 release), while the Redmi A3 is newer (2024 release)
  • Redmi A3: The Redmi A3 sacrifices display, camera, performance, and audio quality for a lower price, better screen protection, and a slightly newer Android version.

3. User Profiles & Recommendations

Samsung Galaxy A72 Ideal User:

  • Media Consumers: Those who watch videos, browse photos, and read content heavily will appreciate the vibrant AMOLED display and high resolution.
  • Mobile Photographers: Individuals who want to take good quality photos in various situations and want features like telephoto, wide angle, macro and 4K video recording.
  • Gamers: Mobile gamers who need good performance and smooth graphics.
  • Power Users: Individuals who require strong performance, good multitasking, and fast charging.

Specific Use Cases for Samsung Galaxy A72:

  • Watching HDR videos on the go.
  • Capturing high-quality photos and videos at social events.
  • Playing graphics-intensive games with smooth frame rates.
  • Multitasking between apps without performance issues.

Xiaomi Redmi A3 Ideal User:

  • Budget-Conscious Users: Those looking for a functional smartphone at a lower price point.
  • Basic Smartphone Users: Individuals who primarily use their phone for calls, messages, and basic browsing.
  • Users Prioritizing Durability: Individuals that prefer improved screen protection for a more durable phone.
  • Users Seeking Recent OS: Individuals who prioritize a newer version of Android.

Specific Use Cases for Xiaomi Redmi A3:

  • Everyday use for calls, messages, and simple social media.
  • Basic web browsing and video consumption.
  • Users who need a reliable device with good battery life without demanding performance requirements.

Price-to-Value:

The Samsung Galaxy A72 is positioned as a higher-end mid-range smartphone, providing a premium experience. The Xiaomi Redmi A3 targets the budget segment, offering essential features at a lower cost. If performance, display quality, camera capabilities, and audio features are priorities, the A72 offers significantly more value.

4. Decision Framework

Here are three key questions for buyers to consider:

  1. What is my budget? The Redmi A3 is much cheaper than the A72, making it the better choice if cost is the primary factor.
  2. How important is display and camera quality? If high-resolution and vibrant display with advanced camera capabilities are important, the A72 is the clear choice.
  3. What level of performance do I need? For gaming, smooth multitasking and fast app loading, the A72 is far superior.

Scenario-Based Recommendations:

  • Budget-Conscious User: Choose the Xiaomi Redmi A3 if you need a functional phone for basic use with a more recent OS and better screen protection.
  • Media Enthusiast/Mobile Photographer: Choose the Samsung Galaxy A72 for its superior display, much better camera system, and overall performance.
  • Gaming Enthusiast: The Samsung Galaxy A72 is the better choice due to its powerful chipset and enhanced graphics.
  • Everyday User: If you value performance, screen quality, and camera capability then Samsung Galaxy A72 is the better choice.

My Choice

If I were choosing, I would opt for the Samsung Galaxy A72. While it's an older device, the dramatic differences in display quality, performance, and camera capabilities outweigh the newer Android version and slightly better screen protection of the Redmi A3. The AMOLED display, the much stronger processor, the superior camera system with features like OIS, and 4K video recording, and faster charging are crucial for my usage. The additional sensors and audio quality also contribute to a richer experience. The A72 offers a significantly better overall experience for the cost.

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
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Bridging technical complexity with engaging, accessible narratives.