Sony Xperia 10 III vs Nokia C21 Plus - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 11, 2021 April 29, 2022
Release Year 2021 2022

Physical

Volume 86.92 cm³ 107.57 cm³
Screen Size to Weight Ratio 3.55 "/g 3.66 "/g
Weight 169 g 178 g
Height 154 mm 164.8 mm
Width 68 mm 75.9 mm
Thickness 8.3 mm 8.6 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • White
  • Pink
  • Dark Cyan
  • Warm Gray

Display

Screen Size 6 " 6.52 "
Resolution 1080 x 2520 720 x 1600
Aspect Ratio 21:9 20:9
Screen-to-Body Ratio 80.3 % 82.1 %
Pixel Density 457 PPI 269 PPI
Refresh Rate N/A 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 125.00 mAh/in² 118.79 mAh/in²
Battery Density 51.77 mAh/cm³ 46.95 mAh/cm³
Battery Capacity 4500 mAh 5050 mAh
NFC Support Yes No
Chipset Qualcomm SM6350 Snapdragon 690 5G (8 nm) Unisoc SC9863A (28 nm)
CPU Octa-core (2x2.0 GHz Kryo 560 Gold & 6x1.7 GHz Kryo 560 Silver) Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU Adreno 619 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 11 11
Maximum OS Version 13

Comparison Summary

Sony Xperia 10 III vs Nokia C21 Plus: A Practical Comparison

1. Specifications Breakdown

Design & Build

FeatureSony Xperia 10 IIINokia C21 PlusReal-World Implications
Dimensions154 × 68 × 8.3 mm164.8 × 75.9 × 8.6 mmXperia is more compact, better for one-handed use. Nokia is larger, offering more screen space.
Weight169g178gXperia is slightly lighter, making it easier to carry all day.
Build QualityGorilla Glass 6Unknown protectionXperia has superior screen durability against scratches/drops.
Fingerprint SensorSide-mountedRear-mountedSide placement on Xperia is more ergonomic for unlocking.

Display

FeatureSony Xperia 10 IIINokia C21 PlusReal-World Implications
Size6" OLED6.52" IPS LCDNokia has a bigger screen, but Xperia’s OLED delivers richer colors and deeper blacks.
Resolution1080x2520 (457 PPI)720x1600 (269 PPI)Xperia’s sharper display is better for media consumption and text clarity.
Refresh Rate60Hz60HzBoth are standard 60Hz, no advantage in smoothness.

Performance

FeatureSony Xperia 10 IIINokia C21 PlusReal-World Implications
ChipsetSnapdragon 690 5G (8nm)Unisoc SC9863A (28nm)Xperia’s chip is faster, more power-efficient, and supports 5G.
RAM6GB2GB/4GBXperia handles multitasking better; Nokia may lag with multiple apps.
Storage128GB (non-expandable)32GB/64GB (non-expand.)Xperia offers more storage, useful for apps, photos, and videos.
Antutu Score275,000109,200Xperia is 2.5x faster, better for gaming and demanding apps.

Camera

FeatureSony Xperia 10 IIINokia C21 PlusReal-World Implications
Main Camera12MP (f/1.8, Sony sensor)13MP (basic sensor)Xperia’s better sensor and aperture capture more light and detail.
Ultrawide8MP (f/2.2)NoneXperia offers more versatility for landscapes and group shots.
Telephoto8MP (f/2.4)NoneXperia supports optical zoom for better portrait shots.
Selfie Camera8MP (f/2.0)5MP (f/2.2)Xperia delivers sharper selfies with better low-light performance.
Video Recording4K @ 30fps1080p @ 30fpsXperia supports higher-quality video with more detail.

Battery & Charging

FeatureSony Xperia 10 IIINokia C21 PlusReal-World Implications
Capacity4500mAh4000mAhXperia lasts longer under heavy use.
Charging Speed18W fast charging10W chargingXperia recharges nearly twice as fast.

2. Key Insights

Sony Xperia 10 III Strengths

Superior Display – OLED with 1080p resolution vs Nokia’s 720p IPS LCD.
Much Faster Performance – Snapdragon 690 vs budget Unisoc chip (2.5x faster benchmark).
Better Camera System – Triple-camera setup with ultrawide & telephoto lenses.
5G Support – Future-proof connectivity vs Nokia’s 4G-only limitation.
More Storage & RAM – 128GB + 6GB vs Nokia's 32/64GB + 2/4GB.

Nokia C21 Plus Strengths

Bigger Screen – 6.52" vs 6", better for media if sharpness isn’t a priority.
Lower Price – Likely more affordable (though exact pricing not provided).
Basic Durability – Nokia’s reputation for reliability, though Xperia has Gorilla Glass 6.

Trade-Offs & Limitations

Xperia 10 III – No expandable storage, slightly smaller screen.
Nokia C21 Plus – Weak performance, low-res display, no ultrawide/telephoto cameras.


3. User Profiles & Recommendations

Who Should Buy the Sony Xperia 10 III?

  • Tech enthusiasts who want a smooth, future-proof experience with 5G.
  • Photography lovers needing a versatile camera setup.
  • Multitaskers who need 6GB RAM for apps and gaming.

Who Should Buy the Nokia C21 Plus?

  • Budget users who prioritize screen size over performance.
  • Casual users who mainly call, text, and browse social media.
  • Secondary phone users needing a reliable backup device.

4. Buying Decision Framework

Ask Yourself:

  1. Do you prioritize performance and camera quality?Xperia 10 III
  2. Do you need a large screen on a tight budget?Nokia C21 Plus
  3. Will you keep the phone for 2+ years?Xperia 10 III (5G & better chipset).

Scenario Recommendations:

  • For Gaming & Media: Xperia (better GPU, display, and storage).
  • For Basic Use: Nokia (if price is a major factor).

Final Verdict: Which Would I Choose?

I’d pick the Sony Xperia 10 III. While the Nokia C21 Plus offers a bigger screen at a likely lower price, the Xperia’s superior performance, OLED display, triple-camera setup, and 5G support make it a much better long-term investment. The Snapdragon 690’s efficiency ensures smoother multitasking and gaming, while the higher-resolution screen enhances media consumption. Unless budget is the absolute deciding factor, the Xperia 10 III is the clear winner for most users.

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.