OnePlus Nord CE 5G vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 11, 2021 May 24, 2024
Release Year 2021 2024

Physical

Volume 92.44 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.78 "/g 3.48 "/g
Weight 170 g 193 g
Height 159.2 mm 168.4 mm
Width 73.5 mm 76.3 mm
Thickness 7.9 mm 8.3 mm
Foldable Design No No
Available Colors
  • Blue Void
  • Charkoal Ink
  • Silver Ray
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.43 " 6.71 "
Resolution 1080 x 2400 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 85.3 % 82.9 %
Pixel Density 410 PPI 268 PPI
Refresh Rate 90 Hz 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 108.84 mAh/in² 111.05 mAh/in²
Battery Density 48.68 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM7225 Snapdragon 750G 5G (8 nm) Unisoc T603 (22 nm)
CPU Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570) Octa-core 1.8 GHz
GPU Adreno 619 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 13 16

Comparison Summary

OnePlus Nord CE 5G vs. Xiaomi Redmi A3x: A Practical Comparison

Both phones cater to budget-conscious buyers, but they target different user priorities—one offers premium mid-range features, while the other focuses on affordability. Let’s break them down.


1. Specifications Breakdown

Design & Build

FeatureOnePlus Nord CE 5GXiaomi Redmi A3xReal-World Implications
Dimensions159.2 × 73.5 × 7.9 mm168.4 × 76.3 × 8.3 mmNord CE 5G is smaller and lighter (170g vs. 193g), making it easier to handle.
Screen ProtectionUnknownGorilla Glass 3Redmi A3x has better scratch resistance, but Nord CE 5G’s AMOLED may compensate with durability.
Fingerprint SensorBasic (in-display)Side-mountedSide-mounted sensors are usually faster & more reliable than budget in-display ones.

Verdict:

  • Nord CE 5G wins for portability.
  • Redmi A3x wins for durability (Gorilla Glass 3) and fingerprint sensor.

Display

FeatureOnePlus Nord CE 5GXiaomi Redmi A3xReal-World Implications
Size6.43" AMOLED6.71" IPS LCDAMOLED = deeper blacks, better contrast; LCD = larger but less vibrant.
Resolution1080x2400 (410 PPI)720x1650 (268 PPI)Nord CE 5G is sharper, better for reading/text clarity.
Brightness700 nits (peak)No data (likely dimmer)Nord CE 5G is far better in sunlight.
Refresh Rate90Hz90HzBoth offer smooth scrolling, but AMOLED gives Nord CE better motion clarity.

Verdict:

  • Nord CE 5G dominates—better colors, brightness, and sharpness.
  • Redmi A3x only wins in size, if you prefer a larger (but lower-quality) screen.

Performance

FeatureOnePlus Nord CE 5GXiaomi Redmi A3xReal-World Implications
ChipsetSnapdragon 750G (8nm)Unisoc T603 (22nm)Snapdragon is faster, more efficient (better battery optimization).
Benchmark (AnTuTu)385,000239,000Nord CE 5G is 61% faster—better for gaming & multitasking.
RAM Options6/8/12GB3/4GBNord CE 5G’s higher RAM means less app reloading and smoother performance.

Verdict:

  • Nord CE 5G is the clear winner—better chip, more RAM, smoother experience.
  • Redmi A3x struggles with basic tasks due to weaker hardware.

Camera

FeatureOnePlus Nord CE 5GXiaomi Redmi A3xReal-World Implications
Main Camera64MP (f/1.79)8MP (f/2.2)Nord CE 5G has 8x more resolution, better low-light shots.
Ultrawide8MP (Yes)NoneNord CE 5G offers more versatility for landscapes/group shots.
Selfie Camera16MP (f/2.45)5MP (f/2.2)Nord CE 5G is 3x sharper for selfies.
Video Recording4K@30fps (with EIS)1080p@30fpsNord CE 5G supports higher-quality video.

Verdict:

  • Nord CE 5G wins in every camera metric—resolution, versatility, and video.
  • Redmi A3x is only good for basic photos (no ultrawide, poor selfies).

Battery & Charging

FeatureOnePlus Nord CE 5GXiaomi Redmi A3xReal-World Implications
Capacity4500mAh5000mAhRedmi A3x has 11% more battery, but Nord CE may last longer due to efficiency.
Charging Speed30W fast charging10W slow chargingNord CE 5G charges 3x faster (0-100% in ~1hr vs. ~2.5hrs).

Verdict:

  • Redmi A3x has a bigger battery, but Nord CE 5G charges much faster.
  • If you prioritize fast charging, Nord CE is better.

2. Key Insights

OnePlus Nord CE 5G Strengths

Better display (AMOLED, 90Hz, 700 nits)
Stronger performance (Snapdragon 750G vs. Unisoc T603)
Superior camera (64MP main, 4K video)
30W fast charging (vs. 10W on Redmi)

Xiaomi Redmi A3x Strengths

Bigger battery (5000mAh)
Gorilla Glass 3 protection
Side-mounted fingerprint (faster than in-display)

Key Trade-Offs

  • Nord CE 5G has a smaller battery but compensates with faster charging.
  • Redmi A3x has a weaker chipset & camera but costs less.

3. Who Should Buy Which?

🔹 OnePlus Nord CE 5G is for you if:

✔ You want a premium mid-range experience at a budget.
✔ You care about gaming, speed, and camera quality.
✔ You prefer AMOLED over LCD displays.

🔹 Xiaomi Redmi A3x is for you if:

✔ You strictly need a basic, affordable phone.
✔ You prioritize battery life over performance.
✔ You don’t care about high-resolution cameras or fast charging.


4. Buying Decision Framework

3 Key Questions to Decide:

  1. "Do I care about display quality and performance?"Nord CE 5G (AMOLED + Snapdragon).
  2. "Is battery life my #1 priority?"Redmi A3x (5000mAh).
  3. "Do I need a good camera?"Nord CE 5G (64MP vs. 8MP).

Scenario-Based Recommendations:

  • Student/Gamer?Nord CE 5G (better chip, display).
  • Light user on a budget?Redmi A3x (cheaper + big battery).
  • Photography lover?Nord CE 5G (no contest).

Final Verdict: Which Would I Choose?

I’d pick the OnePlus Nord CE 5G.

Why?

  • AMOLED display (far superior to IPS LCD).
  • Snapdragon 750G (much faster than Unisoc T603).
  • 64MP camera & 4K video (Redmi A3x’s 8MP is outdated).
  • 30W fast charging (vs. sluggish 10W on Redmi).

The Redmi A3x is only worth it if you absolutely need the cheapest phone possible—otherwise, the Nord CE 5G is the better long-term investment with far better performance, display, and camera quality.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

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  • Consumer electronics evaluation
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  • User experience insights

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