Samsung Galaxy A02s vs Nokia G21 - Detailed Phone Comparison

Detailed Comparison

Specification
Nokia G21
Nokia G21
Nokia

General

Launch Date January 4, 2021 February 15, 2022
Release Year 2021 2022

Physical

Volume 113.41 cm³ 106.19 cm³
Screen Size to Weight Ratio 3.32 "/g 3.42 "/g
Weight 196 g 190 g
Height 164.2 mm 164.6 mm
Width 75.9 mm 75.9 mm
Thickness 9.1 mm 8.5 mm
Foldable Design No No
Available Colors
  • Black
  • Red
  • Blue
  • White
  • Dusk
  • Nordic Blue

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 % 81.6 %
Pixel Density 270 PPI 270 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 119.53 mAh/in²
Battery Density 44.09 mAh/cm³ 47.56 mAh/cm³
Battery Capacity 5000 mAh 5050 mAh
NFC Support No Yes
Chipset Qualcomm SDM450 Snapdragon 450 (14 nm) Unisoc T606 (12 nm)
CPU Octa-core 1.8 GHz Cortex-A53 Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU Adreno 506 Mali-G57 MP1

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version 12 13

Comparison Summary

Smartphone Comparison: Samsung Galaxy A02s vs. Nokia G21

1. Specifications Comparison

FeatureSamsung Galaxy A02sNokia G21Practical Impact
Design
Dimensions164.2 × 75.9 × 9.1 mm164.6 × 75.9 × 8.5 mmThe Nokia G21 is slightly thinner and lighter making it marginally more comfortable to hold for extended periods.
Weight196g190gNokia G21 is slightly lighter, which may be noticeable during prolonged use.
Display
Size6.5"6.5"Identical screen size; no difference in the amount of content displayed.
Resolution720x1600720x1600Same visual clarity; both displays will appear equally sharp.
PPI270270Identical pixel density; no difference in screen sharpness.
TechnologyPLS LCDIPS LCDNokia G21’s IPS LCD panel typically offers slightly better viewing angles and color reproduction.
Refresh Rate60Hz90HzNokia G21 offers smoother scrolling and animations making the user interface feel more responsive.
Brightness0 nits0 nitsBoth phones have the same unspecified brightness; screen visibility in very bright sunlight cannot be compared.
Performance
ChipsetQualcomm SDM450 Snapdragon 450 (14nm)Unisoc T606 (12 nm)The Nokia G21's chipset offers much faster performance and better efficiency than Samsung Galaxy A02s.
AnTuTu Score74,800253,300The Nokia G21 demonstrates substantially higher performance, resulting in faster app launches, smoother multitasking, and superior gaming.
GPUAdreno 506Mali-G57 MP1The Mali-G57 MP1 in the Nokia G21 is generally more powerful, allowing for better graphics processing.
Camera
Main Camera13MP, f/1.850MP, f/1.8, 1/2.76" sensorNokia G21’s higher resolution and larger sensor generally capture more detail and potentially better low-light performance.
Selfie Camera5MP, f/2.28MP, f/2.0Nokia G21 offers more detailed selfies and slightly better performance in lower light.
Depth Lens2MP, f/2.42MP, f/2.4Similar depth sensor; similar portrait mode capabilities.
Macro Lens2MP, f/2.42MP, f/2.4Similar macro lens; similar close-up photography capabilities.
Video1080p@30fps1080p@30fpsSimilar video quality and frame rates.
Camera FeaturesPDAFContinuous shooting, front flash, white balance, exposure compensationSamsung A02s offers PDAF, which helps with autofocus speed. Nokia G21 offers additional shooting modes/features and a front flash for low light selfies.
Battery
Capacity5000mAh5050mAhBoth offer similar battery life; likely to last a full day with moderate use.
Charging15W18WNokia G21 charges faster, reducing the time spent waiting for the phone to power up.
In-box chargerNot specified10WNokia G21 includes a charger in the box, which is more convenient. Samsung Galaxy A02s may or may not come with one.
Software
OSAndroid 10 (upgradable to 12)Android 11 (upgradable to 13)Nokia G21 comes with a newer Android version; provides access to more recent features and security patches.
Connectivity
Wi-Fi802.11b/g/n802.11a/b/g/n, 5GHzNokia G21 supports 5GHz Wi-Fi, resulting in faster connection speeds on compatible networks.
Bluetooth4.2 LE5.0 LENokia G21 has a more recent Bluetooth version, offering improved connection stability and range.
Storage
Internal32GB or 64GB64GB or 128GBNokia G21 offers significantly more storage options, better for storing more apps, photos, and videos.
RAM3GB or 4GB4GB or 6GBNokia G21 has higher RAM configurations, allowing for better multitasking performance and smoother usage.
Expandable StorageNoNoNeither phone supports additional storage via SD card; limiting storage capacity.
Audio
Audio QualityBasic audio features2 microphonesNokia G21 offers potentially better voice clarity during calls and recordings due to dual microphones.
Security
FeaturesBasic security featuresSide-mounted fingerprint sensorNokia G21 provides a more convenient and secure way to unlock the phone with the integrated fingerprint scanner.
Sensors
SensorsAccelerometer, proximityFingerprint, accelerometer, proximityNokia G21 includes a fingerprint sensor for convenient biometric security, a feature missing from the A02s.

2. Key Differences Analysis

Samsung Galaxy A02s Advantages:

  • PDAF Camera: The Phase Detection Autofocus (PDAF) provides faster and more accurate focusing, beneficial for action shots.
  • Slightly Thicker Body: May feel slightly more robust in the hand for some users, although this is subjective.

Nokia G21 Advantages:

  • Significantly Superior Performance: The Unisoc T606 chipset provides a much smoother user experience, with significantly better AnTuTu scores, leading to faster app launches and better gaming capabilities.
  • Smoother Display: The 90Hz refresh rate makes scrolling and animations feel noticeably more fluid, which enhances the perceived speed of the phone.
  • Higher Resolution Camera: The 50MP main camera captures more detail and, generally, higher quality images.
  • Larger Storage Options and Higher RAM: Provides significantly more storage space for apps, photos, and videos, and higher RAM configurations for better multitasking.
  • Faster Charging: The 18W fast charging is more convenient, reducing wait times when charging the phone.
  • Newer Android Version: The Nokia G21 ships with a newer Android version, offering access to the latest features, security updates and an upgrade to Android 13.
  • Dual Band WiFi: The inclusion of 5GHz band enhances wifi performance on capable routers.
  • Fingerprint Sensor: The side-mounted fingerprint sensor offers improved security and ease of use.
  • Front Flash For better selfies in low light environments

Significant Trade-offs:

  • Samsung Galaxy A02s: The primary trade-off is significantly lower performance compared to the Nokia G21. While it offers PDAF, the difference in overall processing power and GPU performance is substantial.
  • Nokia G21: Slightly larger dimensions, and while only by a small margin, it might be a drawback for users who prefer a smaller device. The lack of expandable storage could be an issue for users who accumulate a lot of data.

3. User Profiles & Recommendations

Ideal User for Samsung Galaxy A02s:

  • Basic Smartphone User: Ideal for users primarily focused on calling, texting, and simple social media browsing.
  • Budget-Conscious Users: Those looking for the absolute cheapest device with a functional camera, screen and battery, without performance expectations.
  • Users who Prioritize Fast Autofocus: The PDAF in the camera might be useful for capturing spontaneous moments.

Ideal Use Cases for Samsung Galaxy A02s:

  • Basic communication and web browsing
  • Light social media use and photo capturing.
  • Simple everyday tasks with limited multitasking.

Ideal User for Nokia G21:

  • Value-Conscious Performance Seeker: Users who want a good balance of price and performance, seeking smooth user experiences and are more demanding regarding processing power.
  • Users Who Take Lots of Pictures: The higher resolution camera and front flash are good for photography enthusiasts.
  • Users Who Need More Storage: Those who need more storage space for apps, photos, and videos.
  • Users who prioritize security: The inclusion of the fingerprint sensor increases the security and ease of access.
  • Users who want faster wifi: The Dual band 5Ghz wifi enables faster speeds on compatible routers.
  • Users who value a modern software experience: The Nokia G21 ships with a newer version of Android, ensuring a more up-to-date software experience.

Ideal Use Cases for Nokia G21:

  • Moderate to heavy social media use, browsing, and content consumption.
  • Casual mobile gaming and video streaming.
  • Taking higher-quality photos and selfies.
  • Users who want better performance, particularly during heavy multitasking.
  • Users who want a more secure experience using the fingerprint sensor.
  • Users who want more modern software.

4. Decision Framework

Key Questions for Buyers:

  1. How Important is Performance? If you want fast app launching and smoother multitasking, the Nokia G21 is a better option.
  2. How much storage do you need? The Nokia G21 offers better storage options. If you need to save a lot of photos and videos, it is a better fit.
  3. Is an up-to-date software experience and faster wifi a priority for you? The Nokia G21 comes with a newer version of Android, and also has Dual Band WiFi support which will be preferable to a user looking for the latest technology and faster internet speeds.

Scenario-Based Recommendations:

  • Scenario 1: Basic User on a Strict Budget: If you prioritize cost above all else and your use case is limited to basic tasks like calling, texting, and occasional web browsing, then the Samsung A02s is the budget option.
  • Scenario 2: Value-Oriented User Seeking Performance: If you prioritize a smoother user experience, better multitasking, and want better performance in general (including gaming), the Nokia G21 is a better fit.
  • Scenario 3: Photography Enthusiast on a Budget: If you enjoy taking photos and want good image quality, the Nokia G21 with its higher resolution main camera and better selfie camera is a better option.

Personal Choice and Explanation

If I had to choose between the two, I would choose the Nokia G21. Here’s why:

  • Performance: The significant difference in performance between the two devices is the deciding factor. The Nokia G21's superior chipset and GPU offer a much smoother experience, making it more enjoyable for everyday use. The AnTuTu score difference is substantial, and that directly translates to faster app launches, more responsive navigation, and better overall usability.
  • Future Proofing: The newer Android version and the 90Hz refresh rate means the Nokia G21 will feel modern and usable for longer. I also would prefer Dual band wifi.
  • Storage and RAM: The 64GB minimum storage option, with options for 128GB, along with higher RAM, is more beneficial for storing more files and multitasking more comfortably.
  • Camera: I value the higher-resolution primary and selfie cameras, for better image and video quality.
  • Added Features: The fingerprint sensor and faster charging are practical additions, offering more convenience and better security.

While the Samsung Galaxy A02s might be slightly more economical, the user experience trade-offs are significant. The Nokia G21 offers a better balance of performance, features, and software, making it a more worthwhile investment in the long run. Although neither phone offers expandable storage, the Nokia G21's 64GB/128GB options offer plenty of room for typical usage. Therefore, I would recommend the Nokia G21 as the better choice for most people.

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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Bridging technical complexity with engaging, accessible narratives.