Oppo A57 4G vs Xiaomi Redmi A3 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 6, 2022 February 23, 2024
Release Year 2022 2024

Physical

Volume 98.22 cm³ 106.58 cm³
Screen Size to Weight Ratio 3.51 "/g 3.48 "/g
Weight 187 g 193 g
Height 163.7 mm 168.3 mm
Width 75 mm 76.3 mm
Thickness 8 mm 8.3 mm
Foldable Design No No
Available Colors
  • Glowing Black
  • Glowing Green
  • Midnight Black
  • Forest Green (Olive Green)
  • Star Blue (Lake Blue)

Display

Screen Size 6.56 " 6.71 "
Resolution 720 x 1612 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 84.2 % 82.9 %
Pixel Density 269 PPI 268 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 500 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 116.19 mAh/in² 111.05 mAh/in²
Battery Density 50.91 mAh/cm³ 46.91 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Mediatek MT6765G Helio G35 (12 nm) Mediatek Helio G36 (12 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (4x2.2 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
GPU PowerVR GE8320 PowerVR GE8320

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 USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 12 14
Maximum OS Version 14

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Oppo A57 4G and the Xiaomi Redmi A3. I've got my engineering hat on and a cup of coffee ready, so let's break down these specs and see which phone comes out on top for different types of users.

1. Specifications Breakdown

Here's a detailed look at the specifications, along with what they actually mean for you, the user:

FeatureOppo A57 4GXiaomi Redmi A3Real-World Implications
Design
Launch Date2022-06-062024-02-23Xiaomi is the newer device, benefiting from more recent tech.
Dimensions163.7 × 75 × 8 mm168.3 × 76.3 × 8.3 mmThe Redmi A3 is slightly larger and thicker, which might impact comfort for some users.
Weight187g193gOppo is marginally lighter, may be more comfortable for extended use.
Display
Size6.56"6.71"Redmi A3 offers a slightly more immersive viewing experience due to its larger screen.
Resolution720x1612720x1650Both are HD+, so sharpness is similar, suitable for basic viewing.
PPI269268Both offer almost the same pixel density; clarity is comparable.
TechnologyIPS LCDIPS LCDIdentical display technology means similar color reproduction and viewing angles.
Refresh Rate60Hz90HzRedmi A3 has a smoother display for scrolling and gaming.
Brightness0 nits0 nitsBoth will have the same level of peak brightness.
Performance
ChipsetMediatek G35 (12 nm)Mediatek G36 (12 nm)Redmi A3's chipset is a slight upgrade, providing better performance in everyday tasks and light gaming.
AnTuTu Score110,000127,000Redmi A3 benchmarks higher, suggesting slightly snappier performance.
GPUPowerVR GE8320PowerVR GE8320Both phones have identical graphics performance.
Camera
Rear Camera13MP, f/2.2, + 2MP (depth) + 2MP (macro)8MP, f/2.0Oppo A57 offers higher resolution and additional depth and macro lenses, potentially capturing slightly more detail and versatility in photos. Redmi A3 has slightly wider aperture.
Selfie Camera8MP, f/2.05MP, f/2.2Oppo has higher resolution and wider aperture for better selfies in various conditions.
Video Recording1080p@30fps, slow-mo 120fps1080p@30fpsBoth offer the same video quality for standard usage.
DxOMark ScoreN/A45 (Mobile), 53 (Photo), 37 (Video)Redmi A3 scores average in camera test.
Camera FeaturesTriple cam, PDAF, HDR, Panorama, DISDual cam, HDR, Panorama, Cont. ShootingOppo A57 offers PDAF, DIS and Triple cam, while Redmi A3 offers dual camera, and Continuous shooting.
Battery Life
Capacity5000mAh5000mAhBoth phones have similar battery capacity, should last a full day.
Charging33W Fast Charging, Li-Polymer10W Fast Charging, Li-IonOppo A57 charges significantly faster than Redmi A3, a notable convenience.
Software
OSAndroid 12 (up to 14)Android 14Redmi A3 has the more up to date operating system.
Connectivity
Wi-Fi802.11ac, Dual band, Wi-Fi Direct, Wi-Fi Display802.11ac, Wi-Fi DirectOppo has the edge in WiFi with Dual Band and Wi-Fi Display, offering better stability and features.
Bluetooth5.1, aptX, LDAC5.3, EDRRedmi A3 has the newer bluetooth version; Oppo A57 also has aptX, LDAC for better audio quality.
GPSGPS, A-GPS, GLONASS, Beidou, QZSS, GalileoGPS, A-GPS, GLONASS, BeidouOppo A57 uses additional satellite systems for better accuracy.
SIMDual SIM Dual StandbyDual SIM Dual StandbyStandard Dual SIM functionality.
Storage
Internal64 GB / 128 GB64 GB / 128 GBBoth offer identical storage options.
RAM3 GB / 4 GB3 GB / 4 GB / 6 GBRedmi A3 offers more ram, enhancing multitasking capabilities.
ExpandableNoNoBoth do not offer external storage expansion.
Audio
QualityStereo SpeakersBasic audio featuresOppo A57 offers a superior audio experience with stereo speakers.
Security
FeaturesSide-mounted fingerprintSide-mounted fingerprintBoth phones provide standard biometric security.
Build Quality
ProtectionUnknownCorning Gorilla Glass 3Redmi A3 has superior protection on the screen.
Sensors
FeaturesFingerprint, Proximity, Accelerometer, GyroscopeAccelerometer, Ultrasonic proximity virtualOppo A57 has more sensor variety

2. Key Insights

  • Oppo A57 4G Strengths:
    • Faster Charging: 33W charging is significantly quicker than the 10W on the Redmi A3, crucial for those who are always on the go.
    • Superior Cameras: Higher resolution front and rear cameras, plus dedicated depth and macro lenses, offer more versatility.
    • Enhanced Audio: Stereo speakers provide a richer audio experience.
    • More Sensors: Broader sensor suite adds more functionality.
    • Better Connectivity: Supports more WiFi bands and better GPS.
  • Xiaomi Redmi A3 Strengths:

    • Newer and Faster OS: Ships with Android 14, likely ensuring software updates for a longer time.
    • Smoother Display: 90Hz refresh rate makes scrolling and animations feel more fluid.
    • Slightly Better Performance: Marginal performance gains from the Helio G36 chipset.
    • More RAM Option: Up to 6GB RAM for enhanced multitasking.
    • Better Build Quality Has Gorilla Glass 3 for screen protection.
  • Trade-offs and Limitations:

    • The Oppo A57 4G's camera may be a better choice on paper, however, it is from a 2022 device which means that the software processing may be worse.
    • The Redmi A3’s cameras are a downgrade but the software processing is likely better due to being a newer device.
    • Both phones lack expandable storage, which could be a limitation for heavy media users.
    • Both use HD+ screens and have similar display quality, albeit with different refresh rates.

3. User Profiles and Recommendations

  • Oppo A57 4G:
    • Ideal User: Someone who values faster charging, a better camera system, and superior audio.
    • Use Cases: Daily photographers, media consumers, and users who need a phone that can quickly juice up on the go.
  • Xiaomi Redmi A3:
    • Ideal User: Someone who prefers a newer OS, a slightly smoother display, and a bit more RAM.
    • Use Cases: Budget-conscious users who do a lot of browsing, social media, and light gaming.

4. Buying Decision Framework

Here are three practical questions to guide your decision:

  1. How important is fast charging to you? If you frequently find yourself running low on battery and need a quick refill, the Oppo A57 is the clear winner.
  2. Are you an avid photographer, or do you just need a good everyday camera? For better images and videos, the Oppo is better, but for a decent quality everyday camera, the Redmi A3 is sufficient.
  3. How important is a modern OS and a smooth display? The Redmi A3 will give you the slightly smoother display and a more modern version of Android.

Scenario-Based Recommendations:

  • For the "Power User": Choose the Oppo A57 4G for its faster charging, better cameras, and superior audio.
  • For the "Budget User": Choose the Xiaomi Redmi A3 for a more modern Android experience, smoother screen, and more RAM.
  • For the "Balance-Seeker": If neither charging or display is overly important, the Xiaomi Redmi A3 may still be better due to its better build quality.

My Choice:

If I were choosing between the two, I'd personally lean towards the Xiaomi Redmi A3. While the Oppo A57 4G has compelling features like faster charging, stereo speakers, and better cameras on paper, the slightly improved processing and newer OS on the Redmi A3 would likely result in a better user experience in the long run. The slightly larger, smoother screen and additional RAM for multitasking are also significant advantages.

The fact that the Redmi A3 has a more modern OS and better screen protection is very appealing, especially for those who are rough on their phones. While the camera and charging speed are important considerations, in this case I value having a more modern, versatile and future-proof device.

Hope this helps!

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.