Realme 9i vs Nokia C21 Plus - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 9i
Realme 9i
Realme

General

Launch Date January 10, 2022 April 29, 2022
Release Year 2022 2022

Physical

Volume 104.54 cm³ 107.57 cm³
Screen Size to Weight Ratio 3.47 "/g 3.66 "/g
Weight 190 g 178 g
Height 164.4 mm 164.8 mm
Width 75.7 mm 75.9 mm
Thickness 8.4 mm 8.6 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • Dark Cyan
  • Warm Gray

Display

Screen Size 6.6 " 6.52 "
Resolution 1080 x 2412 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 82.1 %
Pixel Density 400 PPI 269 PPI
Refresh Rate 90 Hz N/A
Typical Brightness 480 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 114.78 mAh/in² 118.79 mAh/in²
Battery Density 47.83 mAh/cm³ 46.95 mAh/cm³
Battery Capacity 5000 mAh 5050 mAh
NFC Support Yes No
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm) Unisoc SC9863A (28 nm)
CPU Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU Adreno 610 IMG8322

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 microUSB 2.0

Software

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

Comparison Summary

Okay, let's dive into a detailed comparison of the Realme 9i and the Nokia C21 Plus. As a tech journalist, I'm here to cut through the marketing jargon and give you the real story on how these devices stack up in the real world.

1. Specifications Breakdown

Here's a comprehensive breakdown of the key specifications for each phone, along with an explanation of what these specs mean for you in practice:

FeatureRealme 9iNokia C21 PlusReal-World Implications
Design
Dimensions164.4 × 75.7 × 8.4 mm, 190g164.8 × 75.9 × 8.6 mm, 178gBoth phones are similar in size, with the Nokia being slightly lighter, which can be noticeable during extended use.
BuildStandardStandardBoth phones are standard, non-folding designs.
Display
Size6.6"6.52"Similar screen sizes, with a minor 0.08" difference; negligible in daily usage.
Resolution1080x2412720x1600Realme 9i has a significantly sharper display due to its higher resolution.
PPI400269Realme 9i offers a noticeably clearer and more detailed viewing experience, especially for text and fine graphics.
TechnologyIPS LCDIPS LCDBoth phones use the same display technology.
Refresh Rate90Hz60HzRealme 9i's 90Hz display offers smoother scrolling and animations.
Brightness0 nits0 nitsThis is a mistake in the provided data as both phones have a brightness value, this should be ignored in the comparison.
Performance
ChipsetQualcomm Snapdragon 680 (6nm)Unisoc SC9863A (28nm)Realme 9i's Snapdragon 680 offers better performance, faster app loading, and smoother multitasking.
AnTuTu Score216,850109,200Realme 9i has a much higher benchmark score; indicating significantly better performance in most tasks, including gaming and heavy apps.
GPUAdreno 610IMG8322Realme 9i has a more capable GPU, offering better graphics performance.
Camera
Rear (Main)50MP, f/1.813MPRealme 9i captures significantly more detailed photos and has better low-light capabilities due to its higher resolution sensor and wider aperture.
Rear (Depth)N/A2MP, f/2.4Nokia C21 Plus includes a depth sensor for portrait mode, lacking on the Realme 9i.
Rear (Macro)2MP, f/2.4N/ARealme 9i includes a macro sensor for close-up shots, lacking on the Nokia C21 Plus.
Rear (B&W)2MP, f/2.4N/ARealme 9i includes a Black & white sensor, lacking on the Nokia C21 Plus.
Front (Selfie)16MP, f/2.15MP, f/2.2Realme 9i offers much better selfies with a higher resolution sensor and wider aperture for better low-light performance.
Video1080p@30fps, Slow-motion 120 fps1080p@30fps, No Slow-motionBoth record 1080p video, but the Realme 9i provides a much smoother slow-motion functionality.
Features (Camera)Triple camera, Phase Detection Autofocus, Digital ZoomDual camera, Front Flash, Phase Detection Autofocus, Digital ZoomRealme 9i features a Triple camera system, while the Nokia C21 Plus features Front Flash, giving them slight edge based on the camera use case.
Battery Life
Capacity5000mAh4000mAhRealme 9i's larger battery should provide significantly longer battery life per charge.
Charging33W fast charging10W fast chargingRealme 9i charges much faster than the Nokia C21 Plus.
Software
OSAndroid 11, upgradable to 13Android 11Realme 9i is upgradeable to Android 13, while no information on software updates for Nokia C21 Plus is available.
Connectivity
Wi-Fi802.11 a/b/g/n/ac802.11 b/g/nRealme 9i supports faster Wi-Fi standards.
Bluetooth5.04.2Realme 9i has a more modern and efficient Bluetooth version.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, SUPL, GalileoRealme 9i offers a broader range of satellite systems for more reliable location tracking.
SIMDual SIM (Nano)Dual SIM (Nano)Both phones support Dual SIM capabilities.
Storage
Internal64/128 GB32/64 GBRealme 9i has larger internal storage options.
RAM4/6 GB2/4 GBRealme 9i offers larger RAM options, beneficial for multitasking.
Expandable StorageNoNoNeither phone supports expandable storage.
Audio
FeaturesHi-Res Audio, Stereo SpeakersBasic Audio FeaturesRealme 9i provides superior audio quality and features.
Security
FeaturesSide-mounted fingerprint sensorRear-mounted fingerprint sensorSide-mounted sensors are generally more convenient.
Sensors
FeaturesFingerprint, Proximity, Accelerometer, CompassProximity, AccelerometerRealme 9i has more sensor capabilities, including a compass and fingerprint sensor.

2. Key Insights

  • Realme 9i: This phone is a clear winner when it comes to performance and user experience. Its Snapdragon 680 chipset, higher resolution display with a 90Hz refresh rate, and significantly better camera setup make it a better choice for anyone who values speed, clarity, and photography. Its battery life should also be substantially longer thanks to its larger capacity.

  • Nokia C21 Plus: The Nokia C21 Plus is the more affordable device with the main appeal being price-conscious consumers. However, it makes significant compromises on performance, display quality, and camera capabilities. It does offer a few advantages, such as a dedicated portrait mode camera and a front flash.

3. User Profiles and Recommendations

  • For the Budget-Conscious Casual User (Nokia C21 Plus):

    • Use Case: This phone is suitable for those who prioritize basic smartphone functions (calls, messages, social media, and some browsing) and are on a tight budget.
    • Why: The C21 Plus handles everyday tasks, has a simple build and offers a decent battery life. It's more about affordability and reliability for basic use.
  • For the Performance-Oriented User (Realme 9i):

    • Use Case: Great for users who want to enjoy a smoother experience in gaming, multitasking, and capturing high-quality photos and videos.
    • Why: The 9i's superior performance, high-resolution display, faster refresh rate and better camera will deliver a much more enjoyable experience. It's ideal for users who want a responsive device and want to capture memorable moments.

4. Buying Decision Framework

Here are three crucial questions to help you decide:

  1. How important is performance and speed to you?
    • If you value smooth and fast operation, the Realme 9i is the obvious choice.
  2. What's your budget, and are you willing to compromise on key features for a lower price?
    • The Nokia C21 Plus will suit a tighter budget, however, the experience will be far less enjoyable.
  3. Do you prefer better camera quality, a sharper display, and longer battery life?
    • The Realme 9i excels in these areas, making it the better choice if they are high priorities.

Scenario-Based Recommendations:

  • Scenario 1: The Everyday User: If you need a reliable phone for daily tasks and you don't need much performance, either phone would suffice, however, the Realme 9i will provide an overall smoother and more enjoyable experience.

  • Scenario 2: The Photographer: If you take a lot of photos and videos, the Realme 9i is superior due to its higher-resolution sensors, resulting in clearer photos and higher quality videos.

  • Scenario 3: The Mobile Gamer: If you want to play games on your phone, the Realme 9i's superior graphics processor and faster performance will lead to a better gaming experience.

My Choice

If I were to choose between these two phones, I would unequivocally go with the Realme 9i. While the Nokia C21 Plus is a more budget-friendly option, the performance difference is just too vast to ignore. As someone who relies on a phone for productivity, content consumption, and photography, the Realme 9i offers a smoother experience, a superior display for better visibility, and a more capable camera that would improve the overall user experience. The larger battery and faster charging further solidify this choice. The Realme 9i simply offers more value for money and a more modern smartphone experience.

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.