Oppo A53 vs Nokia G21 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A53
Oppo A53
Oppo
Nokia G21
Nokia G21
Nokia

General

Launch Date August 25, 2020 February 15, 2022
Release Year 2020 2022

Physical

Volume 103.39 cm³ 106.19 cm³
Screen Size to Weight Ratio 3.49 "/g 3.42 "/g
Weight 186 g 190 g
Height 163.9 mm 164.6 mm
Width 75.1 mm 75.9 mm
Thickness 8.4 mm 8.5 mm
Foldable Design No No
Available Colors
  • Fairy White
  • Electric Black
  • Fancy Blue
  • Dusk
  • Nordic Blue

Display

Screen Size 6.5 " 6.5 "
Resolution 720 x 1600 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 82.9 % 81.6 %
Pixel Density 270 PPI 270 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 119.53 mAh/in²
Battery Density 48.36 mAh/cm³ 47.56 mAh/cm³
Battery Capacity 5000 mAh 5050 mAh
NFC Support No Yes
Chipset Qualcomm SM4250 Snapdragon 460 (11 nm) Unisoc T606 (12 nm)
CPU Octa-core (4x1.8 GHz Kryo 240 & 4x1.6 GHz Kryo 240) Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU Adreno 610 Mali-G57 MP1

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 10 11
Maximum OS Version 11 13

Comparison Summary

1. Specifications Comparison

Design

FeatureOppo A53Nokia G21Practical Impact
Dimensions163.9 x 75.1 x 8.4 mm164.6 x 75.9 x 8.5 mmNegligible difference in hand feel and pocketability.
Weight186g190gVirtually identical weight, unnoticeable difference.
BuildStandardStandardBoth phones are standard smartphones, not foldable.

Display

FeatureOppo A53Nokia G21Practical Impact
Size6.5"6.5"Identical viewing area for media consumption and general use.
Resolution720x1600720x1600Similar sharpness and clarity. Acceptable for basic use, but not ideal for detailed viewing.
PPI270270Same pixel density, meaning similar visual clarity.
TechnologyIPS LCDIPS LCDSimilar color reproduction and viewing angles.
Refresh Rate90Hz90HzSmoother scrolling and animations compared to standard 60Hz displays.
Brightness0 nits0 nitsBrightness is the same. In both phones, these screen brightness specifications are missing, but typically would impact outdoor visibility.

Performance

FeatureOppo A53Nokia G21Practical Impact
ChipsetQualcomm Snapdragon 460 (11 nm)Unisoc T606 (12 nm)Significant difference. Nokia G21 will offer much smoother performance for everyday tasks, multitasking, and gaming due to its more powerful chipset.
AnTuTu Score34,985253,300Major difference in performance. The Nokia G21 has better app loading and overall snappiness.
GPUAdreno 610 (Adreno 405)Mali-G57 MP1 (ARM Mali-G57)Nokia G21 will handle graphics-intensive tasks and games better.

Camera

FeatureOppo A53Nokia G21Practical Impact
Main Camera13MP, f/2.2, 1/3.06", 1.12µm50MP, f/1.8, 1/2.76", 0.64µmNokia G21 captures more detailed photos, especially in good lighting. The wider aperture allows for better low-light performance.
Selfie Camera5MP8MP, f/2.0Nokia G21 takes sharper and brighter selfies.
Portrait Mode (Depth)No2MP, f/2.4Nokia G21 can create photos with blurred backgrounds.
Macro LensNo2MP, f/2.4Nokia G21 can take close-up photos of small objects.
Video1080p@30fps1080p@30fpsSimilar video recording quality.
FeaturesDigital Image StabilizationTriple Camera, Face Detection, Front FlashNokia G21 has more versatile camera features.

Battery

FeatureOppo A53Nokia G21Practical Impact
Capacity3075mAh5050mAhSignificant difference. Nokia G21 will likely last much longer on a single charge.
ChargingLi-Ion18W fast charging, Li-IonNokia G21 charges faster.
FeaturesNon-removableNon-removable, In box charger 10WNokia G21 includes a charger in the box.

Storage

FeatureOppo A53Nokia G21Practical Impact
Internal16 GB or 64 GB64 GB or 128 GBNokia G21 offers more storage for apps, photos, and videos.
RAM2 GB or 4 GB4 GB or 6 GBNokia G21 handles multitasking better.
ExpandableNoNoNeither phone can expand its storage via microSD card.

Software

FeatureOppo A53Nokia G21Practical Impact
OSAndroid 10, up to 11Android 11, up to 13Nokia G21 receives more software updates and security patches.

Connectivity

FeatureOppo A53Nokia G21Practical Impact
Wi-Fi802.11b/g/n, Wi-Fi Direct802.11a/b/g/n/ac, Dual-band, Wi-Fi DisplayNokia G21 has a more comprehensive Wi-Fi implementation.
Bluetooth4.0, A2DP5.0 LE, A2DPNokia G21 has a more modern Bluetooth version.
GPSGPS, A-GPSGPS, A-GPS, GLONASS, Beidou, GalileoNokia G21 offers more accurate location tracking.
SIMDual SIM Dual Standby (Micro SIM + Nano SIM)Dual SIM Dual Standby (Nano SIM + Nano SIM)Oppo A53 has wider sim support.

2. Key Differences Analysis

Oppo A53 Advantages:

  • Offers Micro SIM support.

Nokia G21 Advantages:

  • Significantly better performance: Superior chipset and higher AnTuTu score.
  • Much better battery life: Larger battery capacity.
  • Better camera system: Higher resolution main camera, selfie camera, and additional depth and macro lenses.
  • More modern software: Newer Android version with more updates.
  • Improved connectivity: Newer Bluetooth and more comprehensive GPS support.
  • More storage and RAM: Higher storage and RAM options available.

Trade-offs:

  • The Nokia G21 is slightly heavier and thicker, but the difference is negligible.
  • Oppo A53 has micro sim support, which the Nokia G21 does not.

3. User Profiles & Recommendations

Oppo A53 Ideal User:

  • Users who are looking for a basic phone for essential tasks.
  • Users who prioritize a Micro SIM card.

Use Cases for Oppo A53:

  • Basic communication (calls, texts).
  • Light web browsing.
  • Simple social media use.

Nokia G21 Ideal User:

  • Users who want a reliable phone with good battery life and decent performance.
  • Users who take photos occasionally and want a versatile camera system.
  • Users who value software updates and longevity.

Use Cases for Nokia G21:

  • Daily driver for general use.
  • Photography and videography for social media.
  • Mobile gaming.
  • Navigation and travel.

4. Decision Framework

Key Questions to Consider:

  1. How important is performance to you? If you need a fast and responsive phone, the Nokia G21 is the clear choice.
  2. How much do you value battery life? If you need your phone to last all day (or even multiple days) without charging, the Nokia G21 is the better option.
  3. How important are software updates? If you want to keep your phone secure and up-to-date with the latest features, the Nokia G21 is preferable due to its newer Android version.

Scenario-Based Recommendations:

  • Budget-conscious user needing only basic functionality: Oppo A53 might suffice but understand its performance limitations.
  • User prioritizing battery life and camera quality: Nokia G21 is the better choice, offering significant advantages in these areas.
  • User wanting a long-lasting and future-proof phone: Nokia G21 is recommended due to its better performance, software support, and connectivity.

My Choice

I would choose the Nokia G21. While the specifications don't mention price, the Nokia G21 offers a substantially better user experience. The performance difference is significant, making everyday tasks smoother and more enjoyable. The superior battery life is a huge advantage, and the improved camera system provides more flexibility. Given the importance of performance, battery life, and software updates for modern smartphone use, the Nokia G21 is the clear winner in my opinion.

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
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Bridging technical complexity with engaging, accessible narratives.