Nokia C21 Plus vs Realme C55 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C55
Realme C55
Realme

General

Launch Date April 29, 2022 March 8, 2023
Release Year 2022 2023

Physical

Volume 107.57 cm³ 99.3 cm³
Screen Size to Weight Ratio 3.66 "/g 3.55 "/g
Weight 178 g 189.5 g
Height 164.8 mm 165.6 mm
Width 75.9 mm 75.9 mm
Thickness 8.6 mm 7.9 mm
Foldable Design No No
Available Colors
  • Dark Cyan
  • Warm Gray
  • Sun Shower
  • Rainy Night
  • Rainforest

Display

Screen Size 6.52 " 6.72 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 82.1 % 86.7 %
Pixel Density 269 PPI 392 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A 680 nits

Hardware

Battery Capacity per Screen Area 118.79 mAh/in² 110.72 mAh/in²
Battery Density 46.95 mAh/cm³ 50.35 mAh/cm³
Battery Capacity 5050 mAh 5000 mAh
NFC Support No Yes
Chipset Unisoc SC9863A (28 nm) Mediatek MT6769H Helio G88 (12 nm)
CPU Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU IMG8322 Mali-G52 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 13
Maximum OS Version

Comparison Summary

Okay, let's dive into a detailed comparison of the Nokia C21 Plus and the Realme C55. I'll break down the specs, highlight the real-world implications, and help you figure out which phone might be the better fit for your needs.

Specifications Breakdown

Here's a table comparing the key specifications of the Nokia C21 Plus and Realme C55, with a focus on practical implications:

FeatureNokia C21 PlusRealme C55Real-World Implications
Design
Dimensions164.8 x 75.9 x 8.6 mm165.6 x 75.9 x 7.9 mmC55 is slightly taller but thinner; C21+ is a bit bulkier.
Weight178g189.5gC21+ is lighter, which might be more comfortable for extended use.
Display
Size6.52"6.72"C55 provides a slightly larger viewing area, beneficial for multimedia.
Resolution720x16001080x2400C55 offers a much sharper, more detailed display.
PPI269392C55 provides significantly clearer text and images on screen.
TechnologyIPS LCDIPS LCDBoth use similar LCD technology, generally with good color reproduction.
Refresh Rate60Hz90HzC55 offers smoother scrolling and animations, a more fluid user experience.
Brightness0 nits680 nitsC55 is vastly superior for outdoor visibility, especially in sunlight.
Performance
ChipsetUnisoc SC9863A (28 nm)Mediatek Helio G88 (12 nm)C55 has a much more powerful chip, offering better performance and efficiency.
AnTuTu Score109,200245,800C55 is significantly faster in everyday tasks, multitasking, and gaming.
GPUIMG8322Mali-G52 MC2C55 has a more capable GPU, providing better graphics performance in gaming and apps.
Battery Life
Capacity4000mAh5000mAhC55 should have significantly longer battery life due to larger capacity.
Charging10W33WC55 charges much faster, saving significant time waiting for it to reach a full charge.
Camera
Rear Camera13MP64MPC55 captures much higher-resolution photos with more detail.
Selfie Camera5MP, f/2.28MP, f/2.0C55 takes better selfies with more detail and performs better in low light.
Depth Sensor2MP, f/2.42MP, f/2.4Both have similar depth sensors for portrait mode; slight differences in sensor technology.
Video Recording1080p@30fps1080p@60fpsC55 provides smoother video options with a 60fps option for better motion clarity.
Slow-motionNoYes, 120fpsC55 offers slow-motion capabilities for creative video capture.
Camera FeaturesPDAF, HDR...Digital Stabilization, Manual focus, Night Mode, HDR...C55 offers more versatile features.
Software
Operating SystemAndroid 11Android 13C55 runs on a newer version of Android, offering better features and security updates.
Connectivity
WiFi802.11b/g/n802.11a/b/g/n/acC55 supports dual-band WiFi for faster speeds and better range.
Bluetooth4.25.2C55 has a newer version of Bluetooth, with improved range and power efficiency.
GPSGPS, A-GPS, GLONASS, Galileo, SUPLGPS, A-GPS, GLONASS, Beidou, GalileoC55 offers wider global satellite coverage for better positioning accuracy.
Storage
Internal Storage32/64 GB64/128/256 GBC55 offers significantly more internal storage options.
RAM2/4 GB4/6/8 GBC55 has more RAM, for better multitasking performance and app switching.
Expandable StorageNoNoBoth phones do not offer expandable storage.
Security
Fingerprint SensorRear-mountedSide-mountedC55's side-mounted sensor is usually faster and more convenient.
SensorsProximity, AccelerometerProximity, Accelerometer, FingerprintC55 includes an additional fingerprint sensor, with biometric support.

Key Insights

Nokia C21 Plus

  • Strengths: The Nokia C21 Plus is more lightweight, which may appeal to users who prioritize comfort during extended use. Its slightly lower weight might be noticeable during daily usage.
  • Advantages: It has a relatively simple design and a slightly lower price point.
  • Trade-offs: The C21 Plus has significantly lower performance, an older OS, and fewer modern features. Its camera, display and processing are much weaker.

Realme C55

  • Strengths: The Realme C55 excels with a significantly better display (sharper resolution, smoother refresh rate, higher brightness), superior performance (faster processor, more RAM), a better camera, longer battery life, and faster charging.
  • Advantages: The C55 provides a much more modern and capable overall experience. It also has a better range of features.
  • Trade-offs: It is slightly heavier and a bit more expensive.

Overall Comparison

The Realme C55 is the clear winner in nearly every category. It offers a vastly superior user experience, from its display and performance to its camera and battery. The Nokia C21 Plus is a basic smartphone that compromises on many essential areas in favor of a more budget-friendly price tag.

User Profiles and Recommendations

Nokia C21 Plus

  • Best Suited For: Users with very basic needs, such as calling, texting, and light social media use, with a primary focus on a budget price.
  • Use Cases: Good as a secondary phone or for elderly users with minimal tech needs.

Realme C55

  • Best Suited For: Users who want a capable smartphone for everyday tasks, multimedia consumption, social media, and gaming.
  • Use Cases: An excellent choice for students, young professionals, and general users who need a reliable phone with a good balance of features and performance.

Buying Decision Framework

Here are three practical questions to help users decide:

  1. Budget: Is budget the absolute primary concern, or are you willing to spend a bit more for better features?
  2. Performance: How important is smooth, lag-free performance for your daily usage, especially multitasking and gaming?
  3. Camera & Display: Do you value sharp, vibrant photos and a high quality display experience?

Scenario-Based Recommendations

  • Scenario 1: Budget-Conscious User: If budget is the single most crucial factor and basic functionality is all you need, the Nokia C21 Plus could be considered but I would not recommend it given its numerous shortcomings.

  • Scenario 2: Everyday User with Balanced Needs: If you need a phone for social media, web browsing, and light gaming with good performance and a solid display, the Realme C55 is the clear recommendation.

  • Scenario 3: Multimedia & Gaming Enthusiast: If you're a gamer, movie watcher, and photo enthusiast, the Realme C55's superior display, performance, and camera make it the better choice.

Which one would I choose and why?

I would unequivocally choose the Realme C55. As someone who values a smooth, responsive user experience, the performance difference between the two phones is not just incremental—it's a leap. The superior display, with its higher resolution, smoother refresh rate, and dramatically higher brightness, is a game-changer for daily use and multimedia consumption. Additionally, the camera capabilities of the Realme C55, along with its modern feature set, would greatly improve my photographic experience. The large battery paired with fast charging is incredibly convenient, and I don't have to stress about running out of charge throughout the day.

While the Nokia C21 Plus might be attractive to an extremely budget-conscious user, the compromises in performance, display, camera, and battery life are too significant for me to overlook. The Realme C55 provides much better value for the money and is a device I would be comfortable using as my daily driver.

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.