Nokia C31 vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification
Nokia C31
Nokia C31
Nokia

General

Launch Date September 1, 2022 May 24, 2024
Release Year 2022 2024

Physical

Volume 113.5 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.38 "/g 3.48 "/g
Weight 200 g 193 g
Height 169.2 mm 168.4 mm
Width 78 mm 76.3 mm
Thickness 8.6 mm 8.3 mm
Foldable Design No No
Available Colors
  • Mint
  • Charcoal
  • Cyan
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.75 " 6.71 "
Resolution 720 x 1600 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 83.4 % 82.9 %
Pixel Density 260 PPI 268 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A 500 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 110.84 mAh/in² 111.05 mAh/in²
Battery Density 44.49 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 5050 mAh 5000 mAh
NFC Support No No
Chipset Unisoc SC9863A (28 nm) Unisoc T603 (22 nm)
CPU Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) Octa-core 1.8 GHz
GPU IMG8322 8

Connectivity

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

Software

Operating System Android Android
Initial OS Version 12 14
Maximum OS Version 16

Comparison Summary

Alright, let's break down the Nokia C31 and Xiaomi Redmi A3x. We've got two budget-friendly contenders here, each with its own set of strengths and trade-offs. I'll be looking at this from both an engineer's perspective and as someone who uses a phone every day, so let's get to it.

1. Specifications Breakdown

FeatureNokia C31Xiaomi Redmi A3xReal-World Implications
Design
Dimensions169.2 x 78 x 8.6 mm168.4 x 76.3 x 8.3 mmRedmi A3x slightly smaller, feels a bit more compact, Nokia C31 is bit wider and thicker
Weight200g193gRedmi A3x a bit lighter, less noticeable in the pocket or extended use.
Display
Size6.75"6.71"Essentially identical screen real estate for media and browsing.
Resolution720x1600720x1650Similar sharpness, acceptable for everyday use.
Pixel Density (PPI)260268Both have similar pixel density, so a similar viewing experience.
TechnologyIPS LCDIPS LCDConsistent viewing experience from both devices with the same display tech.
Refresh Rate60Hz90HzRedmi A3x has a smoother scrolling and animation experience.
Brightness0 nits0 nitsBoth have the same peak brightness, which might not be great for outdoor viewing in direct sunlight.
Performance
ChipsetUnisoc SC9863A (28nm)Unisoc T603 (22nm)Redmi A3x with newer fabrication process (22nm) should offer better performance and efficiency.
AnTuTu Score109,200239,000Redmi A3x offers way faster app loading and better multitasking capabilities than the C31.
GPUIMG8322 (PowerVR)8 (Mali-G57 MP1)Redmi A3x delivers higher graphics performance, allowing for smoother gaming and media playback
Camera
Main Camera13MP8MP (f/2.2)Nokia C31 has a higher resolution main camera, though resolution isn't everything.
Selfie Camera5MP (f/2.2)5MP (f/2.2)Both have comparable front cameras for selfies.
Portrait Camera2MP (f/2.4)NoneNokia C31 has dedicated depth sensor for portrait mode.
Macro Camera2MP (f/2.4)NoneNokia C31 has dedicated macro camera for close-up shots.
Video1080p@30fps1080p@30fpsBoth capable of decent quality full HD video recording.
FeaturesTriple, PDAF, FlashDual, Manual FocusC31 is more versatile, A3x more manual control
Battery Life
Capacity5050mAh5000mAhBoth have similar capacity, suggesting comparable battery life.
Charging10W fast10W fastBoth have slow 10W charging.
Battery TypeLi-PolymerLi-IonMinor difference in battery chemistry, negligible in real-world use.
Software
OSAndroid 12Android 14Redmi A3x has a newer operating system, likely offering more features and better security updates.
Connectivity
WiFib/g/na/b/g/n/acRedmi A3x supports newer 5 GHz Wi-Fi standard.
Bluetooth4.2 LE4.2 LE, EDR, SBC, AACRedmi A3x has added codecs that will improve audio quality with certain headphones.
GPSGPS, A-GPS, GLONASS, SUPL, GalileoGPS, A-GPS, GLONASS, BeidouBoth have solid GPS options, C31 adds Galileo while A3x has Beidou.
Storage
Internal64/128 GB64/128 GBBoth come with options for decent storage for a budget phone.
RAM4GB3/4GBBoth have option for 4GB RAM, with A3x having a more limited 3GB for base model.
Expandable StorageNoNoNo expandable storage for either phone.
Audio
QualityBasicBasicBoth have standard audio features, nothing exceptional.
Security
FingerprintRear-mountedSide-mountedRedmi A3x has a slightly more modern side-mounted fingerprint reader.
Build Quality
Screen ProtectionUnknownCorning Gorilla Glass 3Redmi A3x offers better scratch and impact protection to the display.
Sensors
SensorsProximity; AccelerometerAccelerometer; Ultrasonic proximity virtualBoth have standard sensors for their basic functionality, but the Xiaomi has a more advanced ultrasonic proximity sensor.
### 2. Key Insights

Nokia C31 Strengths:

  • Camera Versatility: The inclusion of dedicated portrait and macro lenses makes it more versatile for photography, which can be appreciated by users interested in experimenting with different types of shots.
  • Slightly Larger Battery: The slightly larger battery might offer a smidge longer runtime, though it's likely to be negligible in real-world use, where optimization and chip efficiency plays a bigger part.

Xiaomi Redmi A3x Strengths:

  • Performance Boost: The Unisoc T603 chip and better AnTuTu score clearly indicate significantly better performance. You'll see a difference in app loading times, multitasking, and gaming.
  • Smoother Display: The 90Hz display offers a significantly smoother experience compared to the 60Hz screen of the Nokia.
  • Newer OS: Shipping with Android 14 will bring more security updates and potentially newer features.
  • Better WiFi: Supports a more up-to-date set of WiFi frequencies, including 5 GHz.
  • Screen Protection: The inclusion of Corning Gorilla Glass 3 offers some welcome durability.
  • Modern Fingerprint Sensor: The side-mounted fingerprint sensor is usually faster and more convenient.

Trade-offs:

  • Nokia C31: Slower performance, older OS, no screen protection, older WiFi standards.
  • Xiaomi Redmi A3x: Lacks the dedicated macro and depth camera lenses.

3. User Profiles and Recommendations

  • Nokia C31: Best suited for users who prioritize a larger camera bump and do not need much more out of their device and are primarily using it for basic daily tasks, multimedia consumption, and occasional casual photography. It’s a decent all-arounder if speed is not your primary concern.
  • Xiaomi Redmi A3x: Ideal for users who want a smoother, more responsive smartphone experience on a budget. It’s better for multitasking, gaming, and anyone who prefers a more modern user experience with faster performance.

4. Buying Decision Framework

To decide between these two phones, consider these questions:

  1. How important is performance for you? (If you want snappy, fluid, fast performance, go for the Redmi A3x.)
  2. Do you prefer versatile photography with more lenses or a smoother daily experience? (If you want more lens options, go with the C31, otherwise the Redmi A3x is preferable)
  3. How much does it matter to have the latest version of Android and security updates? (If this is important, the Redmi A3x is the only viable option.)

Scenario-Based Recommendations:

  • Budget Conscious and Basic Needs: If you need just a smartphone for basic calls, texts, social media and the occasional picture, the C31 will work.
  • Performance and Modern OS on a Budget: If you want a faster experience, a newer OS and slightly better protection, the Redmi A3x is the better choice.
  • Aspiring Smartphone Photographer: If you want more features in your camera, even if their quality is nothing spectacular, the C31 is a little better.

My Choice

If I were choosing between these two, I'd go with the Xiaomi Redmi A3x. The performance boost offered by the newer chipset, combined with the 90Hz display, and the newer OS version make a more significant difference in day-to-day use. I'm not swayed by the slightly higher resolution of the Nokia's main camera, as I know the Redmi A3x camera is fine for casual use. The added screen protection and better security through the side-mounted fingerprint sensor are also significant quality-of-life improvements that I appreciate.

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.