Oppo Reno5 5G vs Xiaomi Redmi A3 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 7, 2021 February 23, 2024
Release Year 2021 2024

Physical

Volume 92.26 cm³ 106.58 cm³
Screen Size to Weight Ratio 3.74 "/g 3.48 "/g
Weight 172 g 193 g
Height 159.1 mm 168.3 mm
Width 73.4 mm 76.3 mm
Thickness 7.9 mm 8.3 mm
Foldable Design No No
Available Colors
  • Starry Black
  • Galactic Silver
  • Azure Blue
  • Midnight Black
  • Forest Green (Olive Green)
  • Star Blue (Lake Blue)

Display

Screen Size 6.43 " 6.71 "
Resolution 1080 x 2400 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 85.5 % 82.9 %
Pixel Density 409 PPI 268 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 430 nits N/A
HBM Brightness N/A 500 nits
Peak Brightness 750 nits N/A

Hardware

Battery Capacity per Screen Area 104.00 mAh/in² 111.05 mAh/in²
Battery Density 46.61 mAh/cm³ 46.91 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM7250 Snapdragon 765G 5G (7 nm) Mediatek Helio G36 (12 nm)
CPU Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) Octa-core (4x2.2 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
GPU Adreno 620 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 11 14
Maximum OS Version 12

Comparison Summary

Smartphone Comparison: Oppo Reno5 5G vs. Xiaomi Redmi A3

1. Specifications Comparison

FeatureOppo Reno5 5GXiaomi Redmi A3Practical Impact
Design
Dimensions159.1 × 73.4 × 7.9 mm168.3 × 76.3 × 8.3 mmRedmi A3 is larger and bulkier, potentially less comfortable for one-handed use, Reno5 5G is more compact and pocketable
Weight172g193gReno5 5G is noticeably lighter, better for prolonged use and portability.
Display
Size6.43"6.71"Redmi A3 offers a slightly larger screen for media consumption, but difference isn't substantial.
Resolution1080x2400720x1650Reno5 5G has a much sharper display (118% more pixels). Text and images will appear significantly clearer.
PPI409268Reno5 5G's higher pixel density results in a visibly crisper screen, less pixelation, and a more premium feel.
TechnologyAMOLEDIPS LCDReno5 5G has superior contrast, color accuracy, and deeper blacks, better viewing experience, especially in dark settings.
Refresh Rate90Hz90HzBoth offer a smooth scrolling experience, same level of fluidity
Brightness750 nits0 nitsReno5 5G is significantly better for outdoor visibility under bright sunlight. The Redmi A3's brightness is unspecified.
Performance
ChipsetSnapdragon 765G 5G (7nm)Helio G36 (12nm)Reno5 5G’s chipset is significantly more powerful for gaming, multitasking and demanding applications.
AnTuTu Score325,000127,000Reno5 5G offers substantially faster performance, smoother app loading and overall usage.
GPUAdreno 620PowerVR GE8320Reno5 5G's GPU provides significantly better graphical performance for games and demanding applications.
Battery
Capacity4300mAh5000mAhRedmi A3 has a larger battery, likely providing longer battery life between charges.
Charging65W Fast Charging10W Fast ChargingReno5 5G charges much faster, significantly reducing charging downtime, though the battery is smaller.
FeaturesReverse charging, dual-cell, non-removableNon-removableReno5 5G offers reverse charging, meaning it can charge other devices.
Camera
Main Camera64MP, f/1.7, 1/1.7", Sony IMX6868MP, f/2.0Reno5 5G captures much higher detail photos with better low-light performance and dynamic range.
Selfie Camera32MP, f/2.45MP, f/2.2Reno5 5G captures higher detail selfies, though Xiaomi has a slightly wider aperture for low light.
Macro Camera2MP, f/2.4NoneReno5 5G offers macro lens for close-up shots.
Wide/Macro Camera8MP, f/2.2NoneReno5 5G offers a wide angle lens for landscape and group photos.
Video4K@30fps, HDR, EIS1080p@30fpsReno5 5G captures higher quality video with better stabilization.
DXOMarkN/AMain: 45, Photo: 53, Video: 37Redmi A3's camera has been tested for mobile camera scores.
Features4K Video, Quad, PDAF, CDAF, etcDual, basic featuresReno5 5G has a much more advanced camera system with more features and better overall image quality.
Software
OSAndroid 11, max 12Android 14Redmi A3 ships with a newer version of Android, potentially providing a more modern UI and security.
Connectivity
WiFi802.11ac, Dual, MIMO802.11ac, no MIMOReno5 5G has more advanced Wi-Fi capabilities.
Bluetooth5.1, AptX, LDAC5.3, EDR, AACRedmi A3 has a slightly newer Bluetooth, Reno5 5G has AptX and LDAC audio codecs
GPSGPS, QZSS, GalileoGPSReno5 5G offers slightly better GPS accuracy with more satellite systems.
Storage
Internal128/256 GB64/128 GBReno5 5G has higher storage options for users who need to store a large number of files/apps.
RAM8/12 GB3/4/6 GBReno5 5G has considerably more RAM, ensuring smoother multitasking and app performance.
ExpandableNoNoBoth phones lack expandable storage.
Audio
QualityDolby Atmos, Stereo SpeakersBasicReno5 5G offers far superior audio quality with immersive stereo sound.
Security
FeaturesBasic finger print sensorSide-mounted fingerprint sensorRedmi A3 has more modern side-mounted fingerprint sensor.
Build Quality
ProtectionGorilla Glass 3+Gorilla Glass 3Both phones have similar screen protection.
Sensors
FeaturesFingerprint, Gyroscope, Compass etcAccelerometer, Ultrasonic proximityReno5 5G has more sensors, including the fingerprint sensor, Gyroscope, and compass.

2. Key Differences Analysis

Oppo Reno5 5G Advantages:

  • Superior Display: AMOLED panel with higher resolution, brightness, and pixel density, resulting in a much better viewing experience.
  • Significantly More Powerful Performance: Snapdragon 765G chipset and Adreno 620 GPU offer a huge leap in performance, suitable for gaming and demanding apps.
  • Far Better Camera System: Much higher resolution main and front cameras, a macro lens, a wide-angle lens, and more advanced video recording capabilities.
  • Faster Charging: 65W charging allows for quick top-ups, minimizing downtime.
  • Better Audio: Stereo speakers with Dolby Atmos enhance the audio experience.
  • More RAM and Storage options: Offers more RAM and higher storage options.
  • More Advanced Features: Supports dual-cell battery, reverse charging, and more sensors, including fingerprint, gyroscope and compass.

Practical Implications: The Reno5 5G is a significant step up in display quality, speed, camera versatility, and audio experience. Ideal for users who prioritize a great multimedia experience and smooth performance.

Xiaomi Redmi A3 Advantages:

  • Newer Android OS: Ships with Android 14 offering the latest features and security updates.
  • Larger Battery: Larger battery capacity (5000mAh) may provide longer battery life for extended use.
  • Newer Bluetooth Version: It has bluetooth 5.3 version, which gives more stable connection.
  • Side-mounted Fingerprint Sensor: Offers a convenient and modern side mounted fingerprint sensor
  • Lower price: Likely to be more budget-friendly

Practical Implications: The Redmi A3 is positioned as a budget option, offering basic smartphone functionality, longer battery life, and a newer OS.

Significant Trade-offs:

  • Oppo Reno5 5G: While it has a smaller battery than the Redmi A3, it also features a much faster charging system. Lack of expandable storage.

  • Xiaomi Redmi A3: The Redmi A3 sacrifices display quality, performance, and camera capabilities to achieve a lower price point. It may not be suitable for those who are used to the premium display quality and performance of flagship phones.

3. User Profiles & Recommendations

Oppo Reno5 5G is Ideal For:

  • Multimedia Enthusiasts: Users who consume a lot of videos, play games, and appreciate high-quality displays.
  • Photography Lovers: Users who take many photos and require a versatile camera system with higher detail and video capabilities.
  • Power Users: Users who multitask heavily, run demanding apps, and want a fast and smooth smartphone experience.
  • Professionals and Business Users: Users who need a good quality, reliable camera and good performance for daily business tasks

Use Cases:

  • Watching movies and TV shows with vibrant colors and sharp detail.
  • Playing graphically intensive games smoothly with higher frame rates.
  • Taking detailed photos and videos in various lighting conditions.
  • Quickly charging the phone during brief breaks during the day.
  • Editing photos and videos on the go.
  • Business professionals who require reliable and fast performance
  • Travelers who need reliable GPS and a good camera.

Xiaomi Redmi A3 is Ideal For:

  • Budget-Conscious Users: Users who need a basic smartphone without spending too much.
  • Light Users: Users who primarily use their phones for calls, texts, social media, and light browsing.
  • Users Who Prioritize Battery Life: Users who need a phone that lasts throughout the day on a single charge.
  • New Smartphone Users: Users who want simple features with a friendly experience

Use Cases:

  • Browsing social media and websites.
  • Checking emails and basic messaging.
  • Basic gaming that doesn't require a high level of graphical performance.
  • Making calls and sending texts.
  • For Users that need long battery life

Price-to-Value Ratio:

  • The Oppo Reno5 5G offers better value for those willing to spend more for premium features and performance.
  • The Xiaomi Redmi A3 provides an affordable option for those with basic needs, but at a significant compromise in other areas.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Redmi A3 is likely to be a much more affordable option.
  2. How important is display quality and performance to you? If you need high-quality visual and smooth performance, the Reno5 5G is the better choice.
  3. What do you use your smartphone for most? If battery life and basic usage are your main concern, the Redmi A3 might suffice. But if you are a power user, the Reno5 5G offers much better performance

Scenario-Based Recommendations:

  • Scenario 1: "I want the best possible camera and display experience." Choose the Oppo Reno5 5G, even with smaller battery, the trade-off is worth it.
  • Scenario 2: "I just need a basic smartphone for calls, texts, and social media, and I want it to last all day." The Xiaomi Redmi A3 will suffice for these requirements.
  • Scenario 3: "I want a good all-rounder phone with performance and a decent camera." The Oppo Reno5 5G is the better overall performer.

My Choice

I would choose the Oppo Reno5 5G.

Despite the smaller battery, the Reno5 5G offers a far superior overall user experience thanks to its significantly better display, vastly superior performance, and a much more capable camera system. While the Redmi A3's larger battery and newer OS are valuable, the compromise in display quality and performance isn't acceptable for me as a tech enthusiast who values smooth performance, high quality images and a premium display. The fast charging of the Reno5 5G mitigates the slightly smaller battery, and features such as reverse charging, Dolby Atmos, more RAM and storage options, and better sensors make it a more future-proof choice.

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.