Home Phone comparison Xiaomi Redmi 15C 4G and Tecno Spark 40C - Which is better?

Xiaomi Redmi 15C 4G vs Tecno Spark 40C

56 out 100
Xiaomi Redmi 15C 4G
VS
55 out 100
Tecno Spark 40C
Xiaomi Redmi 15C 4G
Tecno Spark 40C

Compared 2 smartphones : Xiaomi Redmi 15C 4G Manufactured in August, 2025, with display 6.9 with chipsetMediaTek Helio G81 Ultra, vs Tecno Spark 40C, Manufactured in August, 2025with chipsetMediaTek Helio G81. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi 15C 4G
  • Larger display: 6.9in
  • Newer Bluetooth version: 5.4 vs 5.3
Reasons to choose Tecno Spark 40C
  • Higher pixel density: 263ppi
  • Lighter design: 190g vs 205g
  • Supports Dolby Atmos
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 4/128 GB
- 4/256 GB		 - 4/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Redmi 15C 4G 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
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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
Smartphones:
Xiaomi Redmi 15C 4G
vs
Tecno Spark 40C

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.9 in 6.67 in
Resolution 720x1600 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 254 ppi 263 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (60-120 Hz)
HDR support No No
Screen-to-body ratio 84.2 % 84.2 %

Design & Build

Design and ergonomics comparison
Height 171.6 mm (6.76 in) 165.6 mm (6.52 in)
Width 79.5 mm (3.13 in) 77 mm (3.03 in)
Thickness 8 mm (0.31 in) 8.4 mm (0.33 in)
Weight 205 g (7.23 oz) 190 g (6.7 oz)
Water resistance IP64 IP64
Back panel Eco Leather Plastic
Frame Plastic Plastic
Colors - Gray
- Blue
- Green
- Orange		 - White
- Black
- Gray
- Blue
Fingerprint sensor Yes, In-Button Yes, In-Button
Screen-to-body ratio
Xiaomi Redmi 15C 4G
84.2 %
Tecno Spark 40C
84.2 %

Performance

Testing Xiaomi Redmi 15C 4G and Tecno Spark 40C In benchmarks
Processor
Chipset MediaTek Helio G81 Ultra MediaTek Helio G81
Max Frequency 2000 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 12 nm 12 nm
Neural Processor Yes Yes
Graphics Mali-G52 MP2 Mali-G52 MP2
GPU Cores 48 48
GPU Frequency 820 MHz 820 MHz
FLOPS 78.7 GFLOPS 78.7 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 15C 4G
421
Tecno Spark 40C
444
Geekbench 6 (Multi-Core)
Xiaomi Redmi 15C 4G
1387
Tecno Spark 40C
1372
Geekbench 6 (Single-Core)421444
Geekbench 6 (Multi-Core)13871372
Sources: Geekbench v6 [Tecno Spark 40C]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 15C 4G
278312
Tecno Spark 40C
245537
CPU8487276856
GPU3545735386
Memory7492264168
UX8306169127
NanoReview Score278312245537

Memory

RAM
RAM Size 4 GB 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1800 MHz 1800 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 15 Android 15
UI Skin HyperOS 2.0 HIOS 15.1

Battery

Volume 6000 mAh 6000 mAh
Max Charging Power 33 W 18 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes Yes

Main camera

Matrix 50 MP 13 MP
Photo resolution 8160x6144 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)
Lenses count Standard: 50 MP
Depth		 Standard: 13 MP
Depth
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP13 MP
Aperturef/1.8f/1.8
Focal length28 mm27 mm
Sensor size1/2n/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 8 MP 8 MP
Aperture f/2.0 n/a
Sensor CMOS CMOS
Sensor size 1/4.0 n/a
Pixel size 1.12 μm n/a
Autofocus No No
Stabilization No 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* Varies by region Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
5G SupportNoNo

Sound

3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes

Other

Class Budget Budget
Announced August, 2025 yr July, 2025 yr
Release Date August, 2025 yr August, 2025 yr
MSRP ($) 120 100
Sensors - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 45 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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