Samsung Galaxy Z Flip3 5G vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 27, 2021 May 24, 2024
Release Year 2021 2024

Physical

Volume 82.7 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.66 "/g 3.48 "/g
Weight 183 g 193 g
Height 166 mm 168.4 mm
Width 72.2 mm 76.3 mm
Thickness 6.9 mm 8.3 mm
Foldable Design Yes No
Available Colors
  • White
  • Green
  • Phantom Black
  • Pink
  • Gray
  • Thom Browne Edition
  • Wooyoungmi Edition
  • Lavender
  • Cream
  • Bespoke Edition
  • Dream White
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.7 " 6.71 "
Resolution 1080 x 2640 720 x 1650
Aspect Ratio 22:9 21:9
Screen-to-Body Ratio 84.7 % 82.9 %
Pixel Density 426 PPI 268 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 500 nits
HBM Brightness N/A N/A
Peak Brightness 1200 nits N/A

Hardware

Battery Capacity per Screen Area 73.51 mAh/in² 111.05 mAh/in²
Battery Density 39.9 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 3300 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Unisoc T603 (22 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core 1.8 GHz
GPU Adreno 660 8

Connectivity

USB Version 2.0 N/A
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0, OTG USB Type-C

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 14 16

Comparison Summary

Okay, let's dive into a detailed comparison of the Samsung Galaxy Z Flip3 5G and the Xiaomi Redmi A3x. This is a classic case of a flagship device squaring off against a budget-friendly option, and the differences are quite stark. We'll break it down, keeping the user experience firmly in mind.

1. Specifications Breakdown

Here’s a side-by-side comparison of the key specs, along with their real-world implications:

FeatureSamsung Galaxy Z Flip3 5GXiaomi Redmi A3xReal-World Implications
Design
Form FactorFoldableStandardThe Flip3's foldable design offers unique portability and novelty, while the A3x is a traditional slab phone.
Dimensions166 × 72.2 × 6.9 mm (unfolded)168.4 × 76.3 × 8.3 mmThe Flip3 is significantly slimmer when unfolded. The A3x is larger in all dimensions.
Weight183g193gThe Flip3 is slightly lighter, which is impressive for a foldable device.
Display
Size6.7"6.71"Both have a large display; the difference in size is negligible.
Resolution1080x2640720x1650The Flip3 has a much sharper and detailed display, with almost twice the pixel count.
Pixel Density (PPI)426268The Flip3's display will look noticeably crisper with less pixelation.
TechnologyIPS LCDThe A3x uses a standard IPS LCD. The Flip3 has a flexible AMOLED panel (not stated but inferred).
Refresh Rate120Hz90HzThe Flip3's 120Hz refresh rate makes animations and scrolling smoother than the A3x's 90Hz.
Brightness1200 nits0 nitsThe Flip3 is much brighter, making it readable under direct sunlight. The A3x doesn't state brightness, and it's likely lower
Performance
ChipsetQualcomm Snapdragon 888 5G (5 nm)Unisoc T603 (22 nm)The Flip3's Snapdragon is a high-performance chip, while the A3x's Unisoc is an entry-level processor.
AnTuTu Score898,700239,000The Flip3 is significantly faster, providing a snappier experience in all tasks.
GPUAdreno 660Mali-G57 MP1The Flip3 will handle graphics-intensive apps and games much better than the A3x.
Camera
Standard Lens12.2MP, f/1.8, 1/2.55", 1.4µm8MP, f/2.2The Flip3's primary camera is superior with larger pixels, a wider aperture, and a bigger sensor size.
Wide Angle Lens13MP, 1/3.06", 1.12µmNoneThe Flip3 offers versatility with an additional wide-angle lens. The A3x lacks it.
Selfie Camera10MP, f/2.4, 1/3.2", 1.22µm5MP, f/2.2The Flip3's selfie camera offers higher resolution and better image quality, though the A3x has a wider aperture
Video Recording4K@30/60fps, 1080p@60/240fps1080p@30fpsThe Flip3 can record much higher quality videos, including slow motion.
DxOMark Score111 (Mobile)Not AvailableThe Flip3 has a respectable camera score on DxOMark; the A3x is not rated.
Camera FeaturesOIS, Tracking AF, PDAF, 4K videoDigital Zoom, Autofocus, HDRThe Flip3 offers a more advanced set of camera features. The A3x is basic
Battery Life
Capacity3300mAh5000mAhThe A3x has a significantly larger battery, which may lead to longer battery life.
Charging15W Fast Charging10W Fast ChargingThe Flip3 charges faster, but may need more frequent charges given the smaller battery capacity.
Software
OSAndroid 11, upgradeable to 14Android 14, upgradeable to 16The A3x ships with a newer Android version out of the box.
Connectivity
Wi-FiWiFi 6 (802.11ax)802.11acThe Flip3 supports a more advanced Wi-Fi standard.
Bluetooth5.14.2The Flip3 has a newer Bluetooth version with more features.
GPSDual-band GPSGPS, A-GPS, GLONASS, BeidouThe Flip3 offers more accurate positioning.
SIMNano SIM + eSIMDual Nano SIMThe Flip3 supports eSIM for carrier flexibility, while the A3x uses two physical SIMs.
Storage
Internal128GB/256GB64GB/128GBThe Flip3 offers more internal storage and is available in higher configurations.
RAM8GB3GB/4GBThe Flip3 has significantly more RAM for better multitasking.
ExpandableNoNoBoth devices lack expandable storage.
Audio
QualityStereo SpeakersBasic Audio FeaturesThe Flip3 offers better sound quality through its stereo setup.
Security
FeaturesSide-mounted fingerprintSide-mounted fingerprintBoth devices offer basic biometric security.
Build Quality
Screen ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass 3The Flip3 has superior screen protection against scratches and drops.
Sensors
SensorsComprehensive sensor suiteBasic sensors suiteThe Flip3 offers a wider range of sensors.

2. Key Insights

Samsung Galaxy Z Flip3 5G Strengths:

  • Premium Design & Build: The foldable design and quality materials make it a standout device.
  • High-Performance: The Snapdragon 888 chip provides a premium experience for all tasks, from gaming to everyday use.
  • Superior Display: The higher resolution, pixel density, refresh rate, and brightness offer a visually stunning experience.
  • Advanced Camera: The camera system provides high-quality photos and videos with various features such as OIS, Tracking AF, and 4K recording.
  • Connectivity: Cutting-edge Wi-Fi and Bluetooth, along with dual-band GPS offer better performance and precision.
  • Additional Features: eSIM support, reverse charging, and a more advanced sensor suite.

Xiaomi Redmi A3x Strengths:

  • Affordability: It is designed for budget-conscious users.
  • Large Battery: The 5000 mAh battery is likely to offer significantly longer battery life.
  • Newer Software: Ships with a newer Android version (Android 14).
  • Dual SIM: Supports two physical SIM cards.

Key Differences & Trade-offs:

  • Performance vs. Battery: The Flip3 prioritizes performance and display quality, while the A3x focuses on affordability and battery life.
  • Premium vs. Budget: The Flip3 is a premium phone with a high price tag, while the A3x aims for the entry-level market.
  • Camera Quality: The Flip3's camera is far superior, while the A3x provides basic photo and video features.
  • Display Clarity: The Flip3's display is much sharper and more vibrant compared to the A3x's basic screen.

3. User Profiles and Recommendations

Samsung Galaxy Z Flip3 5G is best for:

  • Tech Enthusiasts: Users who want the latest in mobile technology and are willing to pay a premium.
  • Power Users: Users who need a phone that can handle intensive tasks like gaming, video editing, and multitasking.
  • Content Creators: The camera, video, and high-performance capabilities are ideal for creating content.
  • Fashion-Conscious Users: Those who value a unique and stylish design.

Xiaomi Redmi A3x is best for:

  • Budget-Conscious Users: Those who need a smartphone for basic tasks and want to get the most battery life for the lowest price.
  • First-time Smartphone Buyers: It's an easy-to-use device for those new to the smartphone world.
  • Users Prioritizing Battery Life: Those who are mostly concerned about long battery life.

4. Buying Decision Framework

To help users decide, here are three practical questions:

  1. What's your primary use case?

    • For Performance and Creativity: If you prioritize performance, a great display, and a good camera for creative work, go for the Samsung Galaxy Z Flip3 5G.
    • For Basic Tasks and Longevity: If you need a reliable phone for basic tasks and need the battery to last, choose the Xiaomi Redmi A3x.
  2. What’s your budget?

    • Premium Budget: If you have a premium budget and want the best technology and design, the Flip3 is a great choice.
    • Entry-Level Budget: The A3x is suitable if you are on a tight budget.
  3. Are you okay with trade-offs?

    • Prioritize Features over Battery: If you value features like high performance, a great camera, and a high-end display and are willing to recharge frequently, the Flip3 is the way to go.
    • Prioritize Battery over Features: If battery life is most important and you are okay with basic features, the A3x is a good fit.

Scenario-Based Recommendations:

  • The Social Media Influencer: Go for the Samsung Galaxy Z Flip3 5G for the quality camera and video features, allowing for better content creation.

  • The Student on a Budget: The Xiaomi Redmi A3x will be a great, affordable phone for taking notes, browsing, and using apps.

  • The Frequent Traveler: The Samsung Galaxy Z Flip3 5G for the eSIM capabilities, dual-band GPS and the higher-quality screen is great for navigation, capturing travel content, and keeping in touch.

  • The Senior User: The Xiaomi Redmi A3x has a larger, more reliable battery and its simplicity is ideal for users who are just getting used to smartphones.

My Choice and Why

If I were choosing between these two, I would pick the Samsung Galaxy Z Flip3 5G without hesitation. Here's why:

As a tech journalist and analyst, I value cutting-edge technology, performance, and superior build quality. The Flip3 offers a unique foldable design that I find incredibly compelling, the Snapdragon 888 chip ensures smooth and responsive performance for all tasks, and the camera system is far more capable than the Redmi A3x.

While the battery is smaller than that of the A3x, I would always be willing to sacrifice a bit of battery life for high performance and advanced features. I also prioritize a crisp and high-quality display, which the Flip3 definitely delivers with its higher resolution, refresh rate, and brightness.

In short, the Samsung Galaxy Z Flip3 5G is the superior option that aligns with my needs. It provides an engaging and feature-rich experience that elevates the smartphone experience to a level beyond the Redmi A3x. Although I recognize that the Redmi A3x has its place for users who are on a tight budget, the Flip3's design and performance make it the obvious winner for me!

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.