Nokia G21 vs Realme C55 - Detailed Phone Comparison

Detailed Comparison

Specification
Nokia G21
Nokia G21
Nokia
Realme C55
Realme C55
Realme

General

Launch Date February 15, 2022 March 8, 2023
Release Year 2022 2023

Physical

Volume 106.19 cm³ 99.3 cm³
Screen Size to Weight Ratio 3.42 "/g 3.55 "/g
Weight 190 g 189.5 g
Height 164.6 mm 165.6 mm
Width 75.9 mm 75.9 mm
Thickness 8.5 mm 7.9 mm
Foldable Design No No
Available Colors
  • Dusk
  • Nordic Blue
  • Sun Shower
  • Rainy Night
  • Rainforest

Display

Screen Size 6.5 " 6.72 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.6 % 86.7 %
Pixel Density 270 PPI 392 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 400 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A 680 nits

Hardware

Battery Capacity per Screen Area 119.53 mAh/in² 110.72 mAh/in²
Battery Density 47.56 mAh/cm³ 50.35 mAh/cm³
Battery Capacity 5050 mAh 5000 mAh
NFC Support Yes Yes
Chipset Unisoc T606 (12 nm) Mediatek MT6769H Helio G88 (12 nm)
CPU Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G57 MP1 Mali-G52 MC2

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 13
Maximum OS Version 13

Comparison Summary

Alright, let's dive into a detailed comparison of the Nokia G21 and Realme C55. Both phones aim for the budget-conscious market, but they take slightly different approaches. I'll break down the specs, highlight their strengths, and help you decide which one might be right for you.

1. Specifications Breakdown

Here's a detailed comparison table with real-world implications to give you a clear picture of what these specs mean for daily use:

FeatureNokia G21Realme C55Real-World Implications
Design
Dimensions164.6 x 75.9 x 8.5 mm165.6 x 75.9 x 7.9 mmG21 is a tad thicker; C55 slightly taller. Both will feel similar in hand, but C55 may feel a bit sleeker.
Weight190g189.5gBoth have virtually identical weights, not a huge difference when you’re holding them.
Display
Size6.5"6.72"C55's larger screen is better for media consumption and gaming. The G21 is still plenty usable.
Resolution720x16001080x2400C55's higher resolution is noticeably sharper, better for detailed images and text.
Pixel Density270 PPI392 PPIC55 provides significantly clearer text and sharper images, less pixelation.
TechnologyIPS LCDIPS LCDBoth use LCD; expect good color accuracy and viewing angles but won't match OLED screens
Refresh Rate90Hz90HzBoth offer smoother scrolling and animation than 60Hz panels, which improves the overall user experience.
Brightness0 nits680 nitsC55 offers superior outdoor visibility, making it readable even in direct sunlight. G21 is unusable under direct sun.
Performance
ChipsetUnisoc T606 (12 nm)Mediatek Helio G88 (12 nm)The G88 in the C55 is generally a bit more capable for gaming and demanding tasks, but both will handle everyday stuff.
Antutu Score253,300245,800Both phones offer almost identical performance, which is just fine for daily tasks and light gaming.
GPUMali-G57 MP1Mali-G52 MC2C55's GPU is a tad better for gaming and graphics.
Camera
Main Camera50MP (f/1.8)64MP (f/1.8)C55's higher megapixel count and larger sensor should give better detail and low-light performance.
Main Sensor Size1/2.76"1/2"The larger sensor in C55 means it can capture more light, resulting in better low-light and dynamic range.
Selfie Camera8MP (f/2.0)8MP (f/2.0)Both offer the same selfie experience.
Portrait Camera2MP (f/2.4)2MP (f/2.4)Both offer the same depth sensing experience.
Macro Lens2MPNoneG21 can take close-up shots, but this is a minor advantage for casual use.
Video Recording1080p@30fps1080p@60fpsC55 is more capable with smoother 1080p/60fps recording and also has better slow-motion recording.
Battery Life
Capacity5050 mAh5000 mAhBoth have very similar capacities, offering comparable battery life for a day of moderate use.
Charging18W Fast Charging33W Fast ChargingC55 charges significantly faster, which is a significant convenience.
In-box charger10WNo DataG21 has a in-box charger that is not too fast.
Software
OSAndroid 11Android 13C55 has a more recent OS out of the box, implying better software support over time
Connectivity
Wi-FiDual BandDual Band, Wi-Fi DirectBoth are same with only slight advantage of having Wi-Fi Direct in Realme C55.
Bluetooth5.0 LE5.2 LERealme C55 has better and newer Bluetooth connectivity
Storage
Internal64 GB or 128 GB64 GB, 128 GB or 256 GBC55 has higher storage options. The base storage is the same.
RAM4 GB or 6 GB4 GB, 6 GB or 8 GBC55 has higher RAM options, which could result in better multi-tasking.
ExpandableNoNoNeither supports expandable storage; consider the storage capacity carefully.
Audio
Quality2 microphonesBasicNokia G21 offers slightly better audio capture with 2 microphones
Security
FeaturesSide-mounted FingerprintSide-mounted FingerprintBoth provide basic biometric security.

2. Key Insights

  • Display: The Realme C55 has a significantly better display than the Nokia G21. It's larger, sharper, and brighter, making it ideal for media consumption and outdoor use. The Nokia G21 is adequate, but the lower resolution and brightness will be noticeable.

  • Performance: Both devices use 12 nm chipsets and their performance is relatively similar. Both are okay for the majority of tasks, though the Realme C55 has an edge in the GPU performance for gaming.

  • Camera: The Realme C55 wins again with a higher-resolution sensor and a larger sensor size, which should result in better detail, dynamic range, and low-light performance. The lack of a macro lens might be a drawback for those that take a lot of close-up shots, but most people will never use this.

  • Battery Life: Both phones have similar battery capacity and both will provide all day battery for most users. The Realme C55’s faster charging is a major advantage, reducing downtime significantly.

  • Software: The Realme C55 ships with a more recent version of Android out of the box compared to the Nokia G21. This indicates a better user experience, longer software support, and better security.

3. User Profiles and Recommendations

  • Nokia G21: This phone is suitable for users who prioritize a reliable, affordable device with decent battery life, and are not demanding a top-notch camera, display or high processing power. The Macro lens, dual mic and in-box charger are some of the perks of this phone. This is a great device for elderly people who are simply looking for a phone that works with no fuss.
  • Realme C55: This is the better of the two options. It's great for users who want a solid all-around experience with a better display, camera, performance and fast charging. It's ideal for people who watch a lot of videos, play some games, and want better photos for social media. The Realme C55 is also likely to be a more future proof device with better software and hardware.

4. Buying Decision Framework

Here are three practical questions to help you choose:

  1. How important is display quality?
    • If you need sharp, bright visuals and a better viewing experience, the Realme C55 is the clear choice.
  2. Do you prioritize fast charging?
    • If you hate waiting for your phone to charge, the Realme C55's 33W fast charging is a big deal.
  3. How important is the macro lens?
    • If you plan to take a lot of close up photos, the Nokia G21 has a macro lens. However, for most casual users, it's an insignificant feature.

Scenario-Based Recommendations:

  • Budget-Conscious Basic User: If you are on a very tight budget, the Nokia G21 is a capable phone that provides the basics for most use cases, it is a slightly older device though and the Realme C55 is recommended even at a slightly higher price point.
  • Media Lover: Choose the Realme C55, its higher resolution, brighter display, and better audio experience are perfect for movies and videos.
  • Social Media Photographer: The Realme C55’s better camera should result in higher quality images, video and a better low-light performance.
  • Gaming Enthusiast: The better graphics, faster charging and slightly better performance make the Realme C55 more enjoyable for gaming.

Final Thoughts:

The Realme C55 is the better phone in almost all aspects, offering a much better experience than the Nokia G21. From a sharper display, better camera, faster charging to a more recent operating system, it is the clear choice. While the Nokia G21 is a bit cheaper and has a Macro lens and a better microphone setup, the Realme C55 offers a much more complete overall experience for just a slight increase in cost.

My Choice: I would choose the Realme C55 without hesitation. Its superior display, camera, fast charging and up-to-date operating system provides a better overall user experience. I think that these advantages would impact me and would be worth the extra investment over the Nokia G21. The faster charging and better display are big enough differences that would impact my day to day usage.

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.