Nokia C21 Plus vs Samsung Galaxy M15 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date April 29, 2022 April 5, 2024
Release Year 2022 2024

Physical

Volume 107.57 cm³ 114.35 cm³
Screen Size to Weight Ratio 3.66 "/g 3 "/g
Weight 178 g 217 g
Height 164.8 mm 160.1 mm
Width 75.9 mm 76.8 mm
Thickness 8.6 mm 9.3 mm
Foldable Design No No
Available Colors
  • Dark Cyan
  • Warm Gray
  • Gray
  • Light Blue
  • Dark Blue

Display

Screen Size 6.52 " 6.5 "
Resolution 720 x 1600 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 82.1 % 84.3 %
Pixel Density 269 PPI 396 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 800 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 118.79 mAh/in² 142.01 mAh/in²
Battery Density 46.95 mAh/cm³ 52.47 mAh/cm³
Battery Capacity 5050 mAh 6000 mAh
NFC Support No Yes
Chipset Unisoc SC9863A (28 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU IMG8322 Mali-G57 MC2

Connectivity

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

Software

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

Comparison Summary

Okay, let's dive into a detailed comparison of the Nokia C21 Plus and the Samsung Galaxy M15. I'll break down the specs, highlight the key differences, and help you figure out which phone might be the right fit for you.

1. Specifications Breakdown

Here’s a detailed table comparing the two devices, focusing on the real-world implications of their specs:

FeatureNokia C21 PlusSamsung Galaxy M15Real-World Implications
Design
Dimensions164.8 x 75.9 x 8.6 mm160.1 x 76.8 x 9.3 mmThe Nokia is slightly taller and thinner; the Samsung is more compact but thicker. The Samsung likely feels more substantial due to its added thickness and slightly larger volume.
Weight178g217gThe Nokia is significantly lighter, making it more comfortable for extended use and pocketing.
BuildStandardStandardBoth are standard smartphone builds, not foldable or otherwise unusual.
Display
Size6.52"6.5"Negligible size difference, both offer similar screen real estate.
Resolution720x16001080x2340The Samsung's higher resolution means noticeably sharper text and images; much better for videos, games, and detailed content.
Pixel Density (PPI)269396The Samsung's display will look clearer and more detailed than the Nokia's; a clear win for visual clarity.
TechnologyIPS LCDAMOLEDAMOLED offers superior blacks, contrast, color vibrancy, and power efficiency, especially for dark mode. The Samsung has a much better display.
Refresh Rate60Hz90HzThe Samsung’s 90Hz display offers smoother animations, making scrolling and transitions feel more fluid; noticeable daily.
Brightness0 nits800 nitsThe Samsung’s screen is much brighter and therefore easier to see in direct sunlight, a crucial advantage for outdoor use.
Performance
ChipsetUnisoc SC9863A (28nm)Mediatek Dimensity 6100+ (6nm)The Samsung's newer, more efficient chip offers significantly faster app loading, smoother multitasking, and better overall speed.
AnTuTu Score109,200442,500The Samsung has a dramatically higher benchmark score, indicating a substantial performance gap. It will be noticeably faster in day-to-day use.
GPUIMG8322Mali-G57 MC2The Samsung's GPU offers superior graphics processing capabilities, better for gaming and graphically intensive tasks.
Camera
Main Camera13MP50MP (f/1.8)The Samsung’s higher-resolution sensor results in more detailed photos and better low-light performance.
Selfie Camera5MP (f/2.2)13MP (f/2.0)The Samsung’s selfie camera will capture more detailed selfies with better light sensitivity.
Additional Lenses2MP (Depth)5MP (Wide Angle), 2MP (Macro)The Samsung offers more versatility with its wide-angle and macro lenses. The Nokia includes a depth sensor for portrait mode.
Video1080p@30fps1080p@30fps, EISBoth are similar, but the Samsung has electronic image stabilization (EIS) for smoother videos and better slow-mo.
Battery
Capacity4000mAh6000mAhThe Samsung's larger battery should offer significantly longer battery life, potentially lasting well into a second day with moderate usage.
Charging10W25WThe Samsung charges much faster, minimizing downtime.
Software & Connectivity
OSAndroid 11Android 14The Samsung's newer OS offers the latest features, security updates, and a more modern user experience.
Wi-Fi802.11b/g/n802.11a/b/g/n/acThe Samsung’s inclusion of 802.11ac provides faster speeds, along with dual-band support, Wi-Fi Direct and display capabilities; more reliable Wi-Fi connectivity.
Bluetooth4.2 LE5.2 LEThe Samsung's newer Bluetooth offers faster speeds, better range, and more efficient power consumption.
GPSGPS, A-GPS, GLONASS, SUPL, GalileoGPS, A-GPS, GLONASS, Beidou, QZSS, GalileoThe Samsung has better GPS with more satellite systems for faster, more accurate location tracking.
Storage
Internal Storage32GB/64GB128GBThe Samsung provides more storage for your apps, photos, and videos, a practical benefit for most users.
RAM2GB/4GB4GB/6GBThe Samsung's higher RAM will result in a smoother experience in terms of multitasking.
Audio
Audio QualityBasic2 MicrophonesSamsung should have better voice recording quality during calls and video recording.
Security
Security FeaturesRear FingerprintSide FingerprintThe Samsung’s side-mounted sensor tends to be faster and more convenient.
SensorsProximity, AccelerometerFingerprint, Accelerometer, Gyroscope, Ultrasonic ProximityThe Samsung has a more robust array of sensors for enhanced functionality and improved responsiveness.

2. Key Insights

Nokia C21 Plus Strengths:

  • Lighter and Thinner: More comfortable to hold for long periods and easier to slip into pockets.
  • Slightly Larger Display: Marginal advantage in screen size; not significant in practical terms.
  • Affordable: Likely to be available at a lower price point, appealing to budget-conscious users.

Samsung Galaxy M15 Strengths:

  • Superior Display: AMOLED technology, higher resolution, higher brightness, and 90Hz refresh rate offer a significantly better viewing experience.
  • Significantly Faster Performance: The Dimensity 6100+ chipset crushes the Unisoc in benchmarks and daily tasks.
  • Better Camera System: Higher resolution sensors, additional lenses, and features like EIS enhance photo and video capabilities.
  • Longer Battery Life and Faster Charging: The 6000mAh battery combined with 25W charging ensures extended usage with minimal downtime.
  • More Modern Software: Android 14 provides the latest features and security updates.
  • More Memory: 128GB of storage is a great improvement over the base model of Nokia; the RAM is also better
  • More Advanced Sensors: Fingerprint sensor, gyroscope, ultrasonic proximity are all better.

Trade-offs and Limitations

  • Nokia C21 Plus: Its performance and display are significantly weaker, its camera is less versatile, and the battery has less capacity and slower charging speed. It runs older software with less storage and ram, and does not have expandable storage.
  • Samsung Galaxy M15: It is heavier and thicker, a minor drawback for those prioritizing a more lightweight device. It comes at a higher price point.

3. User Profiles and Recommendations

  • Nokia C21 Plus:
    • Best for: Users on a very tight budget who primarily need a phone for basic communication (calls, texts, light social media).
    • Use Cases: Entry-level users, those needing a secondary phone, individuals who prioritize physical size over performance.
  • Samsung Galaxy M15:
    • Best for: Users who value performance, camera quality, a great display, and extended battery life in a budget-friendly package.
    • Use Cases: Daily driver for social media, video consumption, casual gaming, and photography, users who enjoy an immersive viewing experience

4. Buying Decision Framework

Here are three practical questions to help you choose:

  1. What’s your Budget? If you’re extremely price-sensitive, the Nokia might be acceptable, but the trade-offs are significant.
  2. How Important is Performance and Display? If you want a smooth, visually appealing experience, the Samsung is the clear winner.
  3. What do you Value the Most? If a lighter device is crucial, go for the Nokia; if longer battery and performance are key, choose the Samsung.

Scenario-Based Recommendations:

  • Scenario 1 (Basic Use): You only need a phone for calls, texts, and occasional social media browsing.
    • Recommendation: The Nokia C21 Plus can manage this, but the Samsung will be better in every single way.
  • Scenario 2 (Daily Driver): You use your phone frequently for social media, photos, videos, and occasional gaming.
    • Recommendation: The Samsung Galaxy M15 is the much better choice, offering much better screen, performance, and camera features.
  • Scenario 3 (Long Battery Life): You need a phone that lasts all day and charges quickly with good performance.
    • Recommendation: The Samsung Galaxy M15 with its much larger battery and faster charging speed is a clear choice.

What I Would Choose and Why

If I were choosing between these two phones, I would without a doubt go for the Samsung Galaxy M15. Here's why:

  • The Display is King: The AMOLED display with a higher resolution and refresh rate is a game-changer for daily usage and makes the experience significantly better.
  • Performance Matters: The difference in processing power is not trivial; the Samsung M15 will feel much more responsive and less prone to lag.
  • Better Camera and Battery Life: The improved camera setup and superior battery capacity offer more versatility and practicality for daily tasks.
  • Future-Proof: The newer OS, more memory, and more advanced connectivity features make the Samsung a more future-proof device.

While the Nokia C21 Plus has its merits as a lighter and more affordable option, the Samsung Galaxy M15 provides a much more enjoyable user experience in nearly every category, offering a more modern feel and features that significantly enhance daily interactions. The improvements in the display, performance, camera, and battery life are more than worth the difference in price.

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.