Nokia G21 vs Realme C51 - Detailed Phone Comparison

Detailed Comparison

Specification
Nokia G21
Nokia G21
Nokia
Realme C51
Realme C51
Realme

General

Launch Date February 15, 2022 August 1, 2023
Release Year 2022 2023

Physical

Volume 106.19 cm³ 102.59 cm³
Screen Size to Weight Ratio 3.42 "/g 3.62 "/g
Weight 190 g 186 g
Height 164.6 mm 167.2 mm
Width 75.9 mm 76.7 mm
Thickness 8.5 mm 8 mm
Foldable Design No No
Available Colors
  • Dusk
  • Nordic Blue
  • Mint Green
  • Carbon Black

Display

Screen Size 6.5 " 6.74 "
Resolution 720 x 1600 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.6 % 85.5 %
Pixel Density 270 PPI 260 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 400 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A 560 nits

Hardware

Battery Capacity per Screen Area 119.53 mAh/in² 110.07 mAh/in²
Battery Density 47.56 mAh/cm³ 48.74 mAh/cm³
Battery Capacity 5050 mAh 5000 mAh
NFC Support Yes Yes
Chipset Unisoc T606 (12 nm) Unisoc Tiger T612 (12 nm)
CPU Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55) Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G57 MP1 Mali-G57

Connectivity

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

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 C51. As a tech journalist, my aim is to dissect these devices from a practical, user-centric perspective, translating the technical jargon into real-world implications.

1. Specifications Breakdown

Here's a breakdown of the key specifications, laid out in a way that’s easy to digest and understand:

FeatureNokia G21Realme C51Real-World Implications
Design
Dimensions164.6 × 75.9 × 8.5 mm167.2 × 76.7 × 8 mmRealme C51 is slightly taller and thinner; G21 is a bit more compact. Both are fairly large but Realme is a tiny bit more pocketable
Weight190g186gBoth phones are relatively lightweight and comfortable to hold.
Display
Size6.5"6.74"Realme C51 offers slightly more screen real estate, better for media consumption and multitasking.
Resolution720x1600720x1600Both have the same HD+ resolution, which is sufficient for everyday use but not super sharp.
PPI270260Similar pixel densities, so you won't notice a significant difference in clarity.
TechnologyIPS LCDIPS LCDBoth use standard IPS LCD panels which offer decent colors and viewing angles.
Refresh Rate90Hz90HzBoth offer smoother scrolling and animations compared to standard 60Hz displays.
Brightness0 nits0 nitsBrightness information is missing. Performance in direct sunlight will be variable
Performance
ChipsetUnisoc T606 (12 nm)Unisoc Tiger T612 (12 nm)T612 should have a small advantage. For everyday tasks both will be reasonably smooth.
AnTuTu Score253,300220,000G21 shows a small performance advantage in benchmarks. Day to day use should be similar with slight edge to the Nokia.
GPUMali-G57 MP1Mali-G57 MP1Both share a similar GPU, expect comparable gaming performance on less demanding titles.
Camera
Standard50MP f/1.850MP f/1.8Both have similar main cameras, should give similar image quality under good lighting.
Selfie8MP f/2.05MP f/2.2Nokia G21 has a higher-resolution and brighter front camera, making it better for selfies.
Portrait (Depth)2MP f/2.4NoneNokia G21 can take depth information to better simulate background blur.
Macro Lens2MP f/2.4NoneNokia G21 can take close up shots
Video1080p@30fps1080p@30fpsBoth capture video at similar quality, which is fine for casual use.
Camera FeaturesTriple, Front Flash, Continuous ShootingDual, Digital Image Stabilization, PDAFG21 has a more versatile camera system (triple vs dual), with some basic flash options. C51 has better focusing capabilities.
Battery Life
Capacity5050mAh5000mAhSimilar battery capacity suggests comparable battery life for a day for both.
Charging18W Fast33W FastRealme C51 charges considerably faster, a key advantage for those always on the go.
Features10W Charger in BoxNon Removable,G21 includes a charger in box, C51 has better charging speeds.
Software
OSAndroid 11 (upgradable to 13)Android 13Realme C51 offers a more up-to-date Android version out of the box.
Connectivity
Wi-Fi802.11n802.11ac, MIMORealme C51 supports the 802.11ac wifi protocol with a more robust connection
Bluetooth5.0 LE5.0 LE, LDAC, SBC, AACRealme C51 has higher quality Bluetooth audio codec options, for better headphones.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, GalileoG21 has more robust satnav functionality
Storage
Internal64GB/128GB64GB/128GB/256GBRealme C51 offers a higher storage option for users who need it.
RAM4GB/6GB4GB/6GBBoth should handle moderate multitasking, but heavier use cases may face issues.
ExpandableNoNoBoth lack expandable storage, making choosing storage at purchase crucial.
Audio
Quality2 MicrophonesNoise Cancellation MicrophoneG21 includes more microphones, Realme has noise cancelling for better calls.
Security
FeaturesSide Mounted FPSide Mounted FPStandard security.
Build Quality
ProtectionUnknownUnknownBoth offer basic standard protection, no information available.
Sensors
FeaturesFingerprint, Proximity, AccelerometerFingerprint, Proximity, AccelerometerStandard sensors for basic functionality.

2. Key Insights

  • Realme C51’s Strengths:

    • Faster Charging: The 33W fast charging is a significant advantage, reducing downtime.
    • More Storage: Option for 256GB internal storage is great for users with large media libraries.
    • Newer OS: Comes with Android 13, offering the latest features and security updates.
    • Improved WiFi: newer standard means better performance.
    • Better Audio Codecs: Better support for modern headphones.
    • Noise Cancellation: Better calling experience for the user.
  • Nokia G21’s Strengths:

    • Better Front Camera: Higher resolution and brighter aperture for superior selfies.
    • Versatile Camera System: Includes depth and macro lenses that offer more creative photography options.
    • Slightly better performance: Has an edge with the AnTuTu benchmarks
    • More Robust satnav: More satellite connections for more accurate location services.
    • Charger In Box: Includes a basic charger, useful if you don't have one.
  • Trade-offs:

    • Charging: While the G21 has a large battery, the slower charging speeds pale in comparison to the C51's 33W capabilities.
    • Storage: The Nokia lacks the higher storage option the C51 offers.
    • Software: The Nokia has an outdated Android Version.

3. User Profiles and Recommendations

  • Realme C51:

    • Best For: Users who prioritize fast charging, more storage, and the latest software. It's excellent for media consumption and staying connected on the go.
    • Use Cases: Ideal for students, social media enthusiasts, or anyone who needs a dependable phone with solid battery life.
  • Nokia G21:

    • Best For: Users who value photography, especially selfies, and want a versatile camera setup. Also good for navigation and includes a charger in box.
    • Use Cases: Great for casual photographers, travelers who need reliable navigation, or anyone who enjoys taking and sharing pictures.

4. Buying Decision Framework

Here are three practical questions to guide your decision:

  1. How often do you need to charge your phone?
    • If you're often in a rush, the Realme C51's faster charging will be more convenient.
  2. Do you take lots of selfies or require versatile camera options?
    • If photography is your thing, the Nokia G21 has better features and lens options.
  3. How much storage do you need?
    • If you have lots of photos, videos, and files, the Realme C51 will offer more flexibility with its 256 GB option.

Scenario-Based Recommendations:

  • The "Always on the Go" User: If you're a busy individual who needs a phone that charges quickly and keeps up with a fast-paced life, the Realme C51 is the better choice.

  • The "Social Media Maven": If you enjoy taking and sharing photos and videos, particularly selfies, the Nokia G21 is likely to please you more.

  • The "Budget-Conscious Navigator": The Nokia G21 will give you more reliable GPS functionality and a reasonable camera setup, plus a charger in box.

What I Would Choose and Why

If I were choosing between these two phones, I would lean towards the Realme C51. While the Nokia G21 has its merits, the advantages of the Realme C51 in terms of faster charging, more modern software, increased storage and slightly better connectivity options are more significant for my daily needs.

As a tech journalist who frequently travels and uses my phone for both productivity and media, the faster charging alone is a game-changer. The availability of 256 GB of storage is also key, given how much data I amass. While I appreciate the Nokia's camera, the Realme's trade-offs are more aligned with my priorities.

Ultimately, the choice depends on your personal preferences and use cases, but for me, the Realme C51 offers a more complete package.

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.