OnePlus 8 vs Nokia C21 Plus - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 8
OnePlus 8
Oneplus

General

Launch Date April 21, 2020 April 29, 2022
Release Year 2020 2022

Physical

Volume 93.43 cm³ 107.57 cm³
Screen Size to Weight Ratio 3.64 "/g 3.66 "/g
Weight 180 g 178 g
Height 160.2 mm 164.8 mm
Width 72.9 mm 75.9 mm
Thickness 8 mm 8.6 mm
Foldable Design No No
Available Colors
  • Glacial Green
  • Onyx Black
  • Interstellar Glow
  • Polar Silver
  • Dark Cyan
  • Warm Gray

Display

Screen Size 6.55 " 6.52 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.7 % 82.1 %
Pixel Density 402 PPI 269 PPI
Refresh Rate 90 Hz N/A
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 100.23 mAh/in² 118.79 mAh/in²
Battery Density 46.02 mAh/cm³ 46.95 mAh/cm³
Battery Capacity 4300 mAh 5050 mAh
NFC Support Yes No
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Unisoc SC9863A (28 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU Adreno 650 IMG8322

Connectivity

USB Version 3.1 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG microUSB 2.0

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version 13

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 8Nokia C21 PlusPractical Impact
Design
Dimensions160.2 x 72.9 x 8 mm, 180g164.8 x 75.9 x 8.6 mm, 178gNokia C21 Plus is slightly larger and thicker, but negligibly lighter.
Build QualityCorning Gorilla Glass 5Unknown Screen ProtectionOnePlus 8 offers significantly better screen protection against scratches and drops.
Display
Size6.55"6.52"Negligible size difference.
Resolution1080x2400 (402 PPI)720x1600 (269 PPI)OnePlus 8's display is much sharper and clearer, especially for text and images.
TechnologyAMOLED, 90HzIPS LCD, 60HzOnePlus 8 offers smoother scrolling and animations with higher refresh rate, plus vibrant colors, deeper blacks, and better power efficiency with AMOLED.
Brightness1100 nitsUnknownOnePlus 8's significantly higher brightness ensures excellent outdoor visibility. Nokia's unknown brightness may be problematic in sunlight.
Performance
ChipsetSnapdragon 865 5G (7 nm+)Unisoc SC9863A (28 nm)OnePlus 8 provides drastically superior performance in all tasks, including gaming, multitasking, and app loading.
RAM8GB/12GB2GB/4GBOnePlus 8 allows for smoother multitasking and handling of demanding applications.
Storage128GB/256GB32GB/64GBOnePlus 8 offers significantly more storage for apps, photos, and videos.
Camera
Main Camera48MP, f/1.7513MPOnePlus 8 captures significantly more detailed photos.
Selfie Camera16MP, f/2.455MP, f/2.2OnePlus 8's selfie camera offers much higher resolution and detail.
Video4K@60fps, EIS1080p@30fpsOnePlus 8 records higher resolution video with better stabilization.
Additional FeaturesWide Angle, Macro, OIS, Night ModePortrait Mode, Front FlashOnePlus 8 offers more versatile camera features for a wider range of photography scenarios.
Battery
Capacity4300 mAh4000 mAhOnePlus 8 has slightly longer battery life.
Charging30W Fast Charging10W Fast ChargingOnePlus 8 charges significantly faster.

2. Key Differences Analysis

OnePlus 8 Advantages:

  • Significantly superior performance: Smoother multitasking, faster app loading, better gaming.
  • Much better display: Sharper, brighter, smoother, with more vibrant colors and deeper blacks.
  • More versatile and higher quality camera system: Better resolution, video recording capabilities, and features like wide-angle and night mode.
  • Faster charging: Significantly reduces downtime.
  • More storage and RAM: Enables smoother multitasking and storage of more apps and media.

Nokia C21 Plus Advantages:

  • Potentially lower price: (Price not provided, but likely lower given specifications)
  • More recent Android version at launch (Android 11): May offer some newer software features initially, though OnePlus 8 received updates to Android 13.

3. User Profiles & Recommendations

OnePlus 8: Users who prioritize performance, a high-quality display, a versatile camera, and fast charging. Ideal for demanding tasks like gaming, content creation, and multitasking.

Nokia C21 Plus: Users on a very tight budget who prioritize basic functionality and long battery life. Suitable for light usage such as calling, texting, and browsing.

4. Decision Framework

Key Questions:

  1. What is your budget?
  2. What are your primary smartphone usage patterns?
  3. How important are performance, display quality, camera capabilities, and charging speed?

My Choice: OnePlus 8

The OnePlus 8 significantly outperforms the Nokia C21 Plus in nearly every aspect. While the Nokia C21 Plus might be more budget-friendly, the OnePlus 8 provides a vastly superior user experience with its powerful processor, stunning display, versatile camera system, and fast charging capabilities. The difference in performance, display, and camera quality alone makes the OnePlus 8 the clear winner for me. Unless budget is an extremely limiting factor, the long-term benefits and enjoyment derived from the OnePlus 8's superior features justify the likely higher price.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

Key Strengths:

  • Mobile technology analysis
  • Digital media communication
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.