Samsung Galaxy A02s vs Samsung Galaxy M12 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 4, 2021 April 30, 2021
Release Year 2021 2021

Physical

Volume 113.41 cm³ 120.74 cm³
Screen Size to Weight Ratio 3.32 "/g 3.07 "/g
Weight 196 g 212 g
Height 164.2 mm 164 mm
Width 75.9 mm 75.9 mm
Thickness 9.1 mm 9.7 mm
Foldable Design No No
Available Colors
  • Black
  • Red
  • Blue
  • White
  • Black
  • Blue
  • Green

Display

Screen Size 6.5 " 6.5 "
Resolution 720 x 1600 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.8 % 81.9 %
Pixel Density 270 PPI 270 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 118.34 mAh/in² 118.34 mAh/in²
Battery Density 44.09 mAh/cm³ 41.41 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Qualcomm SDM450 Snapdragon 450 (14 nm) Exynos 850 (8 nm)
CPU Octa-core 1.8 GHz Cortex-A53 Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
GPU Adreno 506 Mali-G52

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 10 11
Maximum OS Version 12

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy A02sSamsung Galaxy M12Practical Impact
Design
Dimensions164.2 × 75.9 × 9.1 mm164 × 75.9 × 9.7 mmM12 is slightly thicker, potentially less comfortable in hand for some users.
Weight196g212gA02s is lighter, more comfortable for extended use.
Display
Size6.5"6.5"Identical screen size; both good for media consumption.
Resolution720x1600720x1600Both have similar sharpness, adequate for everyday use.
Pixel Density270 PPI270 PPISimilar image clarity on both phones.
TechnologyPLS LCDPLS LCDSimilar color reproduction and viewing angles.
Refresh Rate60Hz90HzM12 offers smoother scrolling and animations, a more fluid user experience.
Brightness0 nits0 nitsBoth phones have identical brightness which is unknown, so we cannot comment on daylight visibility.
Performance
ChipsetQualcomm SDM450 Snapdragon 450 (14 nm)Exynos 850 (8 nm)M12 has a more efficient and powerful chip, resulting in faster app loading and smoother performance.
AnTuTu Score74,800117,341M12 performs significantly better in benchmarks, indicating snappier performance in everyday tasks and gaming.
GPUAdreno 506Mali-G52M12 offers better graphics performance; better for gaming and graphic-intensive apps.
Camera
Main Camera Resolution13MP, f/1.848MP, f/2.0M12 captures more detailed photos; A02s may perform slightly better in low-light due to the wider aperture (f/1.8).
Main Camera Sensor SizeUnknown1/2"M12's larger sensor size typically results in better low-light sensitivity and dynamic range.
Main Camera Pixel SizeUnknown0.80 µmLarger pixel size on M12 typically results in better light capture.
Front Camera Resolution5MP, f/2.28MP, f/2.2M12 takes higher-resolution selfies.
Wide Angle LensNone5MP, f/2.2M12 can capture wider scenes, giving more flexibility in photography.
Portrait Camera2MP, f/2.42MP, f/2.4Similar depth sensing capabilities.
Macro Camera2MP, f/2.42MP, f/2.4Similar close-up photography capabilities.
Video1080p@30fps1080p@30fpsBoth record similar quality videos.
Battery
Capacity5000mAh5000mAhBoth have the same battery size, suggesting similar battery life.
Charging15W Fast Charging (Li-Ion)15W Fast Charging (Li-Polymer)Both support 15W charging; Li-Polymer in M12 tends to have better longevity.
Software
OSAndroid 10 (upgradable to 12)Android 11 (no max version specified)M12 comes with a newer version of Android out of the box.
Connectivity
Wi-Fi802.11b/g/n802.11b/g/nBoth have similar Wi-Fi capabilities, adequate for everyday browsing.
Bluetooth4.2 LE5.0M12 features Bluetooth 5.0, offering better range and connection stability.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, BeidouA02s includes Galileo, potentially slightly better location accuracy in some regions.
Storage
Internal Storage32 GB or 64 GB32 GB, 64 GB or 128 GBM12 has higher storage option (128GB)
RAM3 GB or 4 GB3 GB, 4GB or 6 GBM12 offers higher RAM options, enabling smoother multitasking.
Expandable StorageNoNoNeither has expandable storage.
Security
SecurityBasicSide-mounted FingerprintM12 provides more secure biometric authentication.
Sensors
SensorsProximity, AccelerometerFingerprint, Proximity, Accelerometer, GyroscopeM12 has more sensors, enabling more functionalities (e.g., motion-based games).

2. Key Differences Analysis

Samsung Galaxy A02s Advantages:

  • Lighter Build: The A02s is 16g lighter, making it slightly more comfortable for extended use.
  • Slightly wider aperture on the main camera: May perform slightly better in low-light than M12, but overall it's inferior in image quality.
  • GPS: Includes Galileo in addition to other standard GPS systems

Practical Implications:

  • A02s is slightly more convenient to carry for longer periods due to its lighter weight.
  • Main Camera may be negligibly better in low-light photos due to wider aperture.
  • GPS on the A02s may offer negligibly better location accuracy due to Galileo.

Samsung Galaxy M12 Advantages:

  • Superior Performance: The Exynos 850 chipset offers much better performance than the Snapdragon 450, resulting in a smoother user experience.
  • Higher Refresh Rate: 90Hz display provides noticeably smoother scrolling and animations.
  • Better Cameras: The 48MP main camera captures more detailed photos. The addition of an ultrawide lens offers more versatile photography.
  • More RAM and Storage Options: Higher options for RAM and internal storage mean more available resources.
  • Newer Bluetooth Version: Better connection stability and range with Bluetooth 5.0.
  • Fingerprint Sensor: More secure biometric security compared to no fingerprint sensor.
  • More sensors: Gyroscope enables motion-based games.

Practical Implications:

  • M12 is noticeably faster and more responsive for everyday tasks and gaming.
  • The 90Hz display enhances the user experience significantly, reducing eye strain.
  • The M12 captures higher-quality photos and offers more flexibility with its wide-angle lens.
  • M12 offers a better long term experience and is able to handle more demanding apps due to higher RAM capacity.
  • Better audio quality due to bluetooth 5.0 and more secure authentication methods.

Significant Trade-offs:

  • The M12 is heavier and slightly thicker than the A02s.
  • Both phones lack expandable storage which is a major downside.
  • Both phones use identical screens, with the A02s not having a high refresh rate.

3. User Profiles & Recommendations

Samsung Galaxy A02s Ideal User:

  • Budget-Conscious Users: Prioritize affordability over performance and features.
  • Basic Phone Users: Primarily use the phone for calls, messaging, and light browsing.
  • Users who value lighter phones: Find slightly more comfortable extended usage due to lower weight.

Use Cases:

  • Simple daily tasks: Checking emails, browsing, making calls.
  • Light social media: Viewing feeds, sending basic messages.

Samsung Galaxy M12 Ideal User:

  • Value-Conscious Users: Want a balance between performance, features, and price.
  • Moderate Users: Engage in moderate multitasking, social media use, and some gaming.
  • Users who value smoother performance: Want to use apps smoothly with a good enough performance.
  • Photography enthusiasts: Users who value better image quality and wide angle lens.

Use Cases:

  • Daily usage: smooth multi-tasking, faster app loading, daily tasks.
  • Moderate Gaming: smooth gameplay for games that aren't too demanding.
  • Photo and Video Enthusiasts: Taking good photos and videos with more versatility due to wide-angle lens.
  • Better security: Secure authentication via fingerprint sensor.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The A02s is generally cheaper, making it suitable for very tight budgets.
  2. How important is performance and user experience? The M12 has a significantly smoother experience.
  3. Do you value photography? The M12 features much better photo and video capabilities than the A02s.

Scenario-Based Recommendations:

  • Scenario 1: Basic Use on a Tight Budget - If the primary use cases are basic messaging, calls, and light browsing, and budget is the main concern, the Samsung Galaxy A02s is an adequate choice.
  • Scenario 2: Smooth Experience and Some Gaming - If you want a smoother, more responsive experience for general use and some mobile gaming, then the Samsung Galaxy M12 is the better choice because of the superior processor, higher refresh rate, and better graphics performance.
  • Scenario 3: Photography and Multimedia - If better camera quality, and versatile photography options are important, the Samsung Galaxy M12 is the clear winner with its higher-resolution main camera, wide-angle lens, and larger sensor.

What I would choose and why!

I would choose the Samsung Galaxy M12. While the A02s is lighter and slightly better in low-light with it's main camera, the M12 offers a significantly better experience in almost every other aspect. The superior performance of the Exynos 850 chipset, the smoother 90Hz display, the more versatile camera setup, and the presence of a fingerprint sensor outweigh the slight weight advantage of the A02s. Given these advantages, I find the M12 to be a much better value proposition and a superior phone for most users. The M12's extra RAM and storage, as well as Bluetooth 5.0 also offer a better long term experience.

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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  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.