TCL 40 SE vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification
TCL 40 SE
TCL 40 SE
Tcl

General

Launch Date April 4, 2023 May 24, 2024
Release Year 2023 2024

Physical

Volume 109.18 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.55 "/g 3.48 "/g
Weight 190 g 193 g
Height 167.9 mm 168.4 mm
Width 76.5 mm 76.3 mm
Thickness 8.5 mm 8.3 mm
Foldable Design No No
Available Colors
  • Dark grey
  • Twilight purple
  • 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 85.6 % 82.9 %
Pixel Density 260 PPI 268 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 450 nits 500 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 109.96 mAh/in² 111.05 mAh/in²
Battery Density 45.89 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 5010 mAh 5000 mAh
NFC Support Yes No
Chipset Mediatek MT6765 Helio G37 (12 nm) Unisoc T603 (22 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core 1.8 GHz
GPU PowerVR GE8320 8

Connectivity

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

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 16

Comparison Summary

1. Specifications Comparison

FeatureTCL 40 SEXiaomi Redmi A3xPractical Impact
Design
Dimensions (mm)167.9 x 76.5 x 8.5168.4 x 76.3 x 8.3Virtually identical in size and feel.
Weight (g)190193Negligible weight difference.
Display
Size (inches)6.756.71Very similar screen real estate.
Resolution (px)720 x 1600720 x 1650Redmi A3x slightly taller, minimal difference in sharpness at this size.
Refresh Rate (Hz)9090Both offer smooth scrolling and animations.
Display TypeIPS LCDIPS LCDSimilar color accuracy and viewing angles expected.
Peak Brightness (nits)450 (typ), 900 (peak)500TCL 40 SE can get significantly brighter for better outdoor visibility.
Performance
ChipsetMediatek Helio G37 (12 nm)Unisoc T603 (22 nm)Helio G37 generally performs better in benchmarks, potentially smoother multitasking and gaming.
CPUOcta-core (4x2.3 GHz & 4x1.8 GHz)Octa-core 1.8 GHzTCL 40 SE has faster clock speeds, leading to quicker app launches and responsiveness.
GPUPowerVR GE8320Mali-G57 MP1Difficult to compare directly due to lack of frequency data for both; gaming performance differences might exist.
RAM4/6 GB3/4 GBMore RAM options on TCL 40 SE, 6GB variant will handle multitasking better.
OSAndroid 13Android 14Redmi A3x ships with a newer OS version, potentially offering newer features and longer software support.
Camera
Rear Camera50MP Main, 2MP Depth, 2MP Macro8MP Main, 0.1MP (unknown)TCL 40 SE boasts a much higher resolution main sensor, likely capturing more detailed photos. Redmi A3x's secondary sensor's purpose is unclear.
Front Camera8MP5MPTCL 40 SE likely produces better selfies.
Battery
Capacity (mAh)50105000Negligible difference in battery capacity.
Fast Charging18W10WTCL 40 SE charges significantly faster.
Other
NFCYesNoTCL 40 SE allows for contactless payments and data transfer.
Price RangeLowLowBoth target budget-conscious buyers.

2. Key Differences Analysis

TCL 40 SE Advantages:

  • Performance: Generally faster CPU and potentially better GPU for smoother overall performance.
  • Camera: Higher resolution main camera and selfie camera.
  • Faster Charging: 18W vs 10W.
  • NFC: Enables contactless payments.
  • Brighter Display: Better outdoor visibility.

Xiaomi Redmi A3x Advantages:

  • Newer Android Version: Android 14 with potential for longer updates.
  • Slightly Sharper Display: Due to slightly higher pixel density. (negligible in practice)

3. User Profiles & Recommendations

TCL 40 SE: Users who prioritize performance, camera quality, and faster charging. Suitable for:

  • Casual Gamers: Smoother gaming experience.
  • Photography Enthusiasts: Better image quality.
  • Users needing NFC: Contactless payments and device pairing.

Xiaomi Redmi A3x: Users who prioritize the latest software and potentially longer software updates on a tight budget. Suitable for:

  • Basic users: Primarily focused on calling, texting, and browsing.
  • Users on an extremely tight budget: Seeking the absolute lowest price.

4. Decision Framework

Key Questions for Buyers:

  1. Is NFC important to you? If yes, the TCL 40 SE is the only option.
  2. How important is camera quality? The TCL 40 SE offers a significantly better camera experience.
  3. Do you need the absolute latest Android version? Redmi A3x offers Android 14.

Scenario-Based Recommendations:

  • Limited Budget, Basic Use: Redmi A3x
  • Balanced Performance and Features: TCL 40 SE

My Choice: TCL 40 SE

Reasoning: The TCL 40 SE offers significant advantages in performance, camera quality, charging speed, and NFC functionality for a minimal price difference. While the Redmi A3x offers the latest Android version, the practical benefits of the TCL 40 SE in daily use outweigh the software advantage. The brighter screen is also a crucial factor for outdoor usage. The superior performance and camera make the TCL 40 SE a more well-rounded and future-proof device for most budget-conscious buyers.

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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Bridging technical complexity with engaging, accessible narratives.