Nokia G21 vs Oppo A77 - Detailed Phone Comparison

Detailed Comparison

Specification
Nokia G21
Nokia G21
Nokia
Oppo A77
Oppo A77
Oppo

General

Launch Date February 15, 2022 June 10, 2022
Release Year 2022 2022

Physical

Volume 106.19 cm³ 98.41 cm³
Screen Size to Weight Ratio 3.42 "/g 3.45 "/g
Weight 190 g 190 g
Height 164.6 mm 163.8 mm
Width 75.9 mm 75.1 mm
Thickness 8.5 mm 8 mm
Foldable Design No No
Available Colors
  • Dusk
  • Nordic Blue
  • Midnight Black
  • Ocean Blue

Display

Screen Size 6.5 " 6.56 "
Resolution 720 x 1600 720 x 1612
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.6 % 84 %
Pixel Density 270 PPI 269 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 400 nits 480 nits
HBM Brightness N/A 600 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 119.53 mAh/in² 116.19 mAh/in²
Battery Density 47.56 mAh/cm³ 50.81 mAh/cm³
Battery Capacity 5050 mAh 5000 mAh
NFC Support Yes Yes
Chipset Unisoc T606 (12 nm) Mediatek Dimensity 810 (6 nm)
CPU Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G57 MP1 Mali-G57 MC2

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 12
Maximum OS Version 13 14

Comparison Summary

Alright, let's dive deep into this head-to-head comparison of the Nokia G21 and the Oppo A77. I've got my engineering hat on, and we're going to cut through the marketing fluff to see which of these phones really comes out on top for you, the user.

1. Specifications Breakdown

Here's a detailed look at the specs, what they mean, and how they impact daily usage.

FeatureNokia G21Oppo A77Real-World Implications
Design
Dimensions164.6 × 75.9 × 8.5 mm163.8 × 75.1 × 8 mmThe Nokia G21 is a hair thicker, but the overall size is similar. Both feel alike in hand.
Weight190g190gBoth are identical in weight; neither will feel significantly heavier or lighter than the other
Build QualityUnknownCorning Gorilla Glass 5The Oppo A77 has better screen protection. Nokia G21's durability is a question mark.
Display
Size6.5"6.56"Practically the same screen size; differences in experience will be negligible.
Resolution720x1600720x1612Both are HD+, so you won't see the sharpest visuals; Expect less sharpness for reading and videos compared to FHD displays.
PPI270269Similar pixel density; visual differences are negligible.
TechnologyIPS LCDIPS LCDStandard LCD technology; expect good color reproduction but less contrast than OLEDs.
Refresh Rate90Hz90HzSmooth scrolling and animations compared to standard 60Hz displays.
Brightness0 nits0 nitsPeak brightness is not available; Expect both to be similar in visibility under sunlight
Performance
ChipsetUnisoc T606 (12 nm)Mediatek Dimensity 810 (6 nm)The Oppo A77's Dimensity 810 is notably faster and more efficient, handling apps and games smoother than Nokia G21.
AnTuTu Score253,30042,000The Nokia G21 has a significantly higher score. Despite the lower real world performance
GPUMali-G57 MP1Mali-G57 MC2Oppo's GPU has more cores, which means better graphics processing for gaming, and video handling.
Camera
Main Camera Res.50MP13MPNokia G21's higher resolution can capture more detailed images in good light.
Main Camera Aperturef/1.8f/2.2Nokia G21's wider aperture allows more light for better low-light photos.
Selfie Camera Res.8MP16MPThe Oppo A77 will capture selfies with more detail.
Video Recording1080p@30fps1080p@30fpsBoth record at 1080p, standard for social media.
Additional Lenses2MP Depth, 2MP MacroNoneThe Nokia G21 offers a bit more versatility for depth and close-up shots.
Camera FeaturesTriple camera, Front FlashDigital image stabilizationNokia G21 offers a dedicated front flash; Oppo A77 provides Digital image stabilization.
Battery Life
Capacity5050mAh3200mAhNokia G21 has a significantly larger battery; expect much longer battery life.
Charging18W fast chargingNo fast chargingNokia G21 charges faster with 18W compared to Oppo A77.
Charger (Included)10WNo charger includedNokia G21 comes with a charger, while Oppo does not
Software
OSAndroid 11 (Upgradable to 13)Android 12 (Upgradable to 14)Oppo A77 ships with a newer version of Android (12), providing more features and security.
Connectivity
Wi-Fi802.11a/b/g/n/ac802.11a/b/g/n/acBoth offer the same Wi-Fi standards; standard for most use cases.
Bluetooth5.0 LE4.1Nokia G21 uses a more energy-efficient version of Bluetooth.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASSNokia G21 supports more GPS options, theoretically providing better location tracking accuracy
Storage
Internal64GB/128GB32GB/64GBNokia G21 offers more storage options.
RAM4GB/6GB3GB/4GBNokia G21 offers more RAM for multitasking.
Expandable StorageNoNoNeither has expandable storage
Audio
Quality2 MicrophonesBasic AudioNokia G21 has dual microphones for better audio capture during calls or recordings.
Security
FeaturesSide-mounted Fingerprint SensorSide-mounted Fingerprint SensorBoth feature fast, accurate fingerprint scanners.
Sensors
FeaturesFingerprint, Accelerometer, ProximityFingerprint, Accelerometer, Proximity, CompassOppo A77 has a built in compass, for better navigation

2. Key Insights

  • Nokia G21: Its main strengths are its large battery capacity, higher-resolution main camera, an extra macro and depth sensor, as well as expandable storage. The dual microphones add value for clear audio recording, and its faster Bluetooth standard is a plus for wireless accessories.
  • Oppo A77: This phone shines with its powerful Dimensity 810 chipset, better selfie camera, and more recent Android OS. The Corning Gorilla Glass 5 is a huge advantage when it comes to durability.

User Experience Translation:

  • Nokia G21 is for users who prioritize battery life and photography on a budget. While its chipset is not as powerful, its large battery means you could go for days without needing a charge, and the extra camera lenses provide additional creative options.
  • Oppo A77 is for users who want a faster experience with better performance when multitasking or gaming. Its advanced chipset and better display protection make it more durable and suitable for more intensive use.

Trade-offs:

  • Nokia G21: The chipset is less powerful; it might struggle with heavier games and apps. The screen lacks the protective layer the Oppo A77 has which makes it more prone to scratches
  • Oppo A77: Battery life is a concern compared to the Nokia, and the camera setup is less versatile. Also, it comes without a charger out of the box.

3. User Profiles and Recommendations

  • Nokia G21
    • Ideal for: Users who need a phone for day-to-day use, with long battery life, and want a more versatile camera.
    • Use Cases: Ideal for travelers, those who want a phone that can last for long periods of time away from a charger, photography buffs who like to play with multiple lens options or those on a strict budget.
  • Oppo A77
    • Ideal for: Users who value a smoother, faster experience, enhanced gaming, and prefer a sleeker phone with more screen protection and up-to-date software.
    • Use Cases: Best for gamers, students, anyone using resource-intensive apps, or those needing the latest OS, better display protection, and a more powerful chipset.

4. Buying Decision Framework

Ask yourself these questions to guide your choice:

  1. Do you value battery life and versatility more than raw processing power? If yes, the Nokia G21 might be a better fit.
  2. Are you going to be doing lots of gaming or using demanding apps? If so, the Oppo A77's more powerful chipset might serve you better.
  3. Is having a good screen protection a priority, and having a phone charger in the box? The Oppo A77 has a much better protection on the screen, but Nokia G21 includes a charger inside the box.

Scenario-Based Recommendations:

  • The "Marathon User": For someone who wants a phone to last all day, or even two, without a charge and wants a decent camera for daily use, the Nokia G21 is a good pick.
  • The "Smooth Operator": If you need a phone that can handle games, heavy app usage, and don't want to sacrifice performance, the Oppo A77 will be smoother and more responsive.
  • The "Budget Conscious": If you have a tight budget, the Nokia G21 provides more flexibility in terms of camera and storage, while not sacrificing much on speed.

Which one would I choose?

Personally, I'd lean towards the Oppo A77. While the Nokia G21 certainly has its advantages with that larger battery and extra camera lenses, the A77's superior chipset, updated OS and vastly superior screen protection would make my daily experience far more enjoyable and long lasting. Also, the higher selfie resolution is a great added bonus. Yes, the battery isn't as massive, and the charging is not as fast, but the performance jump is a trade-off I would happily make, as someone who values power and longevity on a day to day basis.

That said, if you're someone who prioritizes battery life above all else or need the versatility of extra camera lenses at the expense of raw power and screen protection, the Nokia G21 could be the right call for you. It all boils down to your specific needs, budget, and how you plan to use the phone daily.

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.