Xiaomi Redmi A3 vs Tecno Spark 40C

Compared 2 smartphones : Xiaomi Redmi A3 Manufactured in February, 2024, with display 6.71 with chipsetMediaTek Helio G36, vs Tecno Spark 40C, Manufactured in August, 2025 with chipsetMediaTek Helio G81. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi A3
  • Larger display: 6.71in
  • Higher pixel density: 268ppi
  • Newer Bluetooth version: 5.4 vs 5.3
Reasons to choose Tecno Spark 40C
  • Higher refresh rate: 120Hz
  • Lighter design: 190g vs 199g
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Supports Dolby Atmos
  • Infrared port

Versions

Available versions and configurations
Memory Options - 2/64 GB
- 3/64 GB
- 3/128 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB
- 4/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Redmi A3 and Tecno Spark 40C
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.71 in 6.67 in
Resolution 720x1650 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 268 ppi 263 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 420 nits n/a
HDR support No No
Screen-to-body ratio 84.6 % 84.2 %
Display test
Peak brightness (auto)
Xiaomi Redmi A3
357 nits
Tecno Spark 40C
n/a
sRGB gamut95.1 %n/a
Response time40 msn/a
Contrast1314:1n/a

Design & Build

Design and ergonomics comparison
Height 168.3 mm (6.63 in) 165.6 mm (6.52 in)
Width 76.3 mm (3 in) 77 mm (3.03 in)
Thickness 8.32 mm (0.33 in) 8.4 mm (0.33 in)
Weight 199 g (7.02 oz) 190 g (6.7 oz)
Water resistance No IP64
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Green
- White
- Black
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes, In-Button
Screen-to-body ratio
Xiaomi Redmi A3
84.6 %
Tecno Spark 40C
84.2 %

Performance

Testing Xiaomi Redmi A3 and Tecno Spark 40C In benchmarks
Processor
Chipset MediaTek Helio G36 MediaTek Helio G81
Max Frequency 2200 MHz 2000 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Cortex-A53)
- 4/2.2 (Cortex-A53)
- 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 12 nm 12 nm
Neural Processor No Yes
Graphics PowerVR GE8320 Mali-G52 MP2
GPU Cores 32 48
GPU Frequency 680 MHz 820 MHz
FLOPS 43.5 GFLOPS 78.7 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi A3
230
Tecno Spark 40C
444
Geekbench 6 (Multi-Core)
Xiaomi Redmi A3
840
Tecno Spark 40C
1372
Geekbench 6 (Single-Core)230444
Geekbench 6 (Multi-Core)8401372
AnTuTu 10
AnTuTu 10
Xiaomi Redmi A3
153983
Tecno Spark 40C
245537
CPU5534076856
GPU1074935386
Memory4286464168
UX4503069127
NanoReview Score153983245537

Memory

RAM
RAM Size - 3 GB
- 4 GB
- 6 GB
4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1600 MHz 1800 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB
128 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 14 Android 15
OS Size 19 GB n/a
UI Skin MIUI Go Edition HIOS 15.1

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 10 W 18 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging No Yes
Full Charge Time 2:40 h n/a

Main camera

Matrix 8 MP 13 MP
Photo resolution 3264x2448 pixels n/a
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion No n/a
Lenses count Standard: 8 MP
Depth: 0.08 MP
Standard: 13 MP
Depth
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix8 MP13 MP
Aperturef/2.0f/1.8
Focal lengthn/a27 mm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 5 MP 8 MP
Photo resolution 2592x1944 pixels n/a
Aperture f/2.2 n/a
Sensor CMOS CMOS
Autofocus No No
Stabilization Digital No
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort No No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Galileo
NFC* No Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2, B3, B5, B8n/a
3G BandsWCDMA B1, B5, B8n/a
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28)n/a
LTE category4n/a
5G SupportNoNo

Sound

Speakers Mono n/a
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi A3
78.8 dB
Tecno Spark 40C
n/a

Other

Class Budget Budget
Announced February, 2024 yr July, 2025 yr
Release Date February, 2024 yr August, 2025 yr
Launch Price ($) 80 n/a
MSRP ($) n/a 100
Sensors - Accelerometer
- Ambient Light Sensor
- Fingerprint sensor
- Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W Yes, 45 W

Note

Xiaomi Redmi A3:

The smartphone in green color is 7 grams lighter than the others.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Tecno Spark 40C the clear winner in this comparison.

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