Xiaomi Poco X3 Pro vs Samsung Galaxy A03 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date March 24, 2021 January 21, 2022
Release Year 2021 2022

Physical

Volume 119.33 cm³ 113.41 cm³
Screen Size to Weight Ratio 3.1 "/g 3.32 "/g
Weight 215 g 196 g
Height 165.3 mm 164.2 mm
Width 76.8 mm 75.9 mm
Thickness 9.4 mm 9.1 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Frost Blue
  • Metal Bronze
  • Black
  • Red
  • Blue

Display

Screen Size 6.67 " 6.5 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.6 % 81.8 %
Pixel Density 395 PPI 270 PPI
Refresh Rate 120 Hz N/A
Typical Brightness 450 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 115.98 mAh/in² 118.34 mAh/in²
Battery Density 43.24 mAh/cm³ 44.09 mAh/cm³
Battery Capacity 5160 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm Snapdragon 860 (7 nm) Unisoc T606 (12 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 Gold & 3x2.42 GHz Kryo 485 Gold & 4x1.78 GHz Kryo 485 Silver) Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU Adreno 640 Mali-G57 MP1

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 microUSB 2.0

Software

Operating System Android Android
Initial OS Version 11 11
Maximum OS Version 12 13

Comparison Summary

Smartphone Comparison: Xiaomi Poco X3 Pro vs. Samsung Galaxy A03

1. Specifications Comparison

FeatureXiaomi Poco X3 ProSamsung Galaxy A03Practical Impact
Design
Dimensions165.3 × 76.8 × 9.4 mm164.2 × 75.9 × 9.1 mmPoco X3 Pro is slightly taller and thicker, might feel slightly bulkier in hand.
Weight215g196gGalaxy A03 is noticeably lighter, more comfortable for prolonged use.
Display
Size6.67"6.5"Poco X3 Pro offers a slightly larger screen for immersive viewing.
Resolution1080x2400720x1600Poco X3 Pro has much sharper images and text due to higher pixel count.
PPI395270Poco X3 Pro display is noticeably clearer and crisper.
TechnologyIPS LCDPLS LCDPoco X3 Pro likely offers better viewing angles and color accuracy.
Refresh Rate120Hz60HzPoco X3 Pro has smoother scrolling and animations, which is better for gaming.
Brightness0 nits0 nitsBoth phones offer similar peak brightness. Note, peak brightness is unknown so can't be compared.
Performance
ChipsetQualcomm Snapdragon 860 (7 nm)Unisoc T606 (12 nm)Poco X3 Pro has significantly more powerful processor, better for gaming, multitasking, and demanding apps.
AnTuTu Score627,869174,932Poco X3 Pro is significantly faster, offering a smoother overall user experience.
GPUAdreno 640Mali-G57 MP1Poco X3 Pro has a much more powerful GPU, providing better graphics performance for gaming and demanding applications.
Battery
Capacity5160mAh5000mAhSimilar battery life expected for typical use.
Charging33W Fast Charging7.5W Fast ChargingPoco X3 Pro charges much faster, reducing wait time.
Battery TypeLi-PolymerLi-IonLi-Polymer typically has a higher energy density and longer lifespan compared to Li-Ion, though this is hard to confirm without battery testing
Camera
Main Camera48MP, f/1.79, 1/2" Sony IMX58248MP, f/1.8Poco X3 Pro has a slightly wider aperture and a known sensor, potentially better low-light performance.
Selfie Camera20MP, f/2.2, 1/3.4" Samsung S5K3T25MP, f/2.2Poco X3 Pro captures much higher resolution selfies with more detail.
Wide Angle Lens8MP, f/2.2, 1/4"Not AvailablePoco X3 Pro allows for wider perspective photos.
Macro Lens2MP, f/2.4, 1/5"Not AvailablePoco X3 Pro allows for close-up detailed shots.
Portrait Camera2MP, f/2.4, 1/5"2MP, f/2.4Similar depth sensing capabilities
VideoUp to 4K@30fps1080p@30fpsPoco X3 Pro captures higher-resolution video with stabilization, better for vlogging and detailed recording.
Software
OSAndroid 11 (Upgradable to 12)Android 11 (Upgradable to 13)Galaxy A03 has the ability to upgrade to the newer Android version. Poco X3 Pro is one version behind.
Connectivity
Wi-Fi802.11ac, Dual-band, MiMO802.11acPoco X3 Pro offers more advanced Wi-Fi features for potentially better performance.
Bluetooth5.0, APT-x, LDAC5.0Poco X3 Pro has additional Bluetooth audio codecs for higher quality wireless audio.
GPSGPS, GLONASS, Beidou, GalileoGPS, GLONASSPoco X3 Pro supports more satellite systems for better location accuracy.
Storage
Internal128GB/256GB32GB/64GB/128GBPoco X3 Pro potentially offers more storage.
RAM6GB/8GB3GB/4GBPoco X3 Pro has significantly more RAM for smoother multitasking and performance.
ExpandableNoNoNeither phone allows for additional storage through MicroSD.
Audio
QualityHi-Res Audio, Stereo SpeakersDolby AtmosPoco X3 Pro's setup is better for listening to music and media.
Security
FeaturesSide-mounted FingerprintBasic security featuresPoco X3 Pro has a fingerprint sensor for more secure and convenient access.
Build Quality
Screen ProtectionCorning Gorilla Glass 6UnknownPoco X3 Pro has much better protection against scratches and damage.
Sensors
SensorsFingerprint, Accelerometer, Compass, Gyroscope, Ultrasonic proximity virtualAccelerometer, Proximity sensorPoco X3 Pro has more sensors, useful for certain apps and games.

2. Key Differences Analysis

Xiaomi Poco X3 Pro Advantages:

  • Superior Performance: The Snapdragon 860 chipset provides significantly better performance for gaming, multitasking, and overall responsiveness compared to the Unisoc T606.
  • High-Quality Display: The 120Hz IPS LCD with higher resolution and pixel density offers a much smoother, sharper, and more vibrant visual experience.
  • Advanced Camera System: Includes a wide-angle and macro lens, along with higher resolution selfie camera and better video capabilities (4K recording), providing more versatility and detail.
  • Faster Charging: 33W fast charging greatly reduces charging times compared to the 7.5W charging of the Galaxy A03.
  • Better Audio: Hi-Res Audio and Stereo Speakers offer a higher-quality listening experience.
  • Enhanced Security: Features a convenient fingerprint sensor.
  • Robust build quality: Comes with Corning Gorilla Glass 6 for screen protection, making it much less prone to damage
  • More comprehensive sensor suite: Offers significantly more sensors for a more versatile user experience and for gaming.

Samsung Galaxy A03 Advantages:

  • Lighter Design: The Galaxy A03 is noticeably lighter, which could be preferable for users who prioritize comfort and ease of handling.
  • Newer Android Upgrade: Can upgrade to a newer version of Android (13), which may provide longer software support and newer features.
  • Dolby Atmos: Provides immersive audio, great for movies and media.
  • Wider variety of storage options: While having less overall storage, users may find one of the 3 different options more suitable.

Trade-offs:

  • Poco X3 Pro Trade-off: Slightly heavier and bulkier design.
  • Galaxy A03 Trade-off: Significantly lower performance, screen quality, camera capabilities, and charging speed.

3. User Profiles & Recommendations

Xiaomi Poco X3 Pro - Ideal User:

  • Gamers: The high refresh rate, powerful chipset, and superior GPU make it excellent for mobile gaming.
  • Media Consumers: The larger, sharper display and stereo speakers are ideal for watching videos and movies.
  • Photo Enthusiasts: The versatile camera system with multiple lenses and higher resolution selfie camera will appeal to photography enthusiasts.
  • Power Users: Those who need fast processing speed for multitasking and demanding applications will appreciate the Snapdragon 860.
  • Users wanting a more premium feeling phone: The included features and overall specs mean this is more of a flagship-level phone for a budget price.

Samsung Galaxy A03 - Ideal User:

  • Basic Smartphone Users: Those who mainly use their phone for calls, texts, and basic browsing will find it sufficient.
  • Budget-Conscious Buyers: Users who prioritize affordability and don't require high performance or advanced features.
  • Users who value lightweight phones: Those that prioritize a lighter device might prefer the lower weight of this device
  • Users who want the latest Android upgrades: Users that want software updates may prefer this device due to it's ability to upgrade to Android 13.

Use Cases:

  • Poco X3 Pro: Gaming, high-quality video streaming, advanced photography, demanding productivity tasks.
  • Galaxy A03: Basic social media, web browsing, everyday communication, casual media consumption.

4. Decision Framework

Key Questions to Consider:

  1. What's your primary use case? (Gaming, photography, basic communication)
  2. How much do you value performance and display quality? (High performance vs. adequate)
  3. What is your budget? (Is it more important to save money, or have a more powerful experience)

Scenario-Based Recommendations:

  • Scenario 1: You're a gamer or power user: Choose the Xiaomi Poco X3 Pro. Its superior performance and display quality will provide a better experience.
  • Scenario 2: You're on a tight budget and need a basic phone: Choose the Samsung Galaxy A03. It will handle essential tasks adequately.
  • Scenario 3: You value having a high-quality phone that is suitable for all purposes: Choose the Xiaomi Poco X3 Pro. This device is more well rounded, with superior performance, build quality, and features.

My Choice and Why!

If I were choosing between these two phones, I would pick the Xiaomi Poco X3 Pro. The significantly better performance of the Snapdragon 860 chipset, paired with the smoother 120Hz display and versatile camera system, makes it a much more enjoyable and capable device. While the Galaxy A03 is lighter and has a newer Android update, these advantages don't outweigh the overall superiority of the Poco X3 Pro in areas that are more critical for my everyday use, such as gaming, taking photos, and having a smoother and faster user experience.

Although the battery capacity is similar, the 33W fast charging is a huge advantage, especially for my usage patterns and the ability to stay powered for longer is preferable. Ultimately, the overall performance and feature set of the Poco X3 Pro offers a substantially better experience for a small increase in price.

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.

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  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.