Home > Smartphone comparison > Poco C81 vs Spark 40C – which one to choose?

Xiaomi Poco C81 vs Tecno Spark 40C

54 out of 100
Xiaomi Poco C81
VS
51 out of 100
Tecno Spark 40C
Xiaomi Poco C81
Tecno Spark 40C

Here we compared two budget smartphones: the 6.9-inch Xiaomi Poco C81 (with Unisoc T7250) that was released on April 23, 2026, against the Tecno Spark 40C, which is powered by MediaTek Helio G81 and came out 9 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory 4 / 64 GB
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Poco C81
  • More recent OS version: Android 16 versus 15
  • Reverse charging feature
  • The phone is 9 months newer
Reasons to consider the Tecno Spark 40C
  • Water-resistant body (IP64 classification)
  • Newer Bluetooth version (v5.3)
  • 11% better performance in AnTuTu Benchmark (363K versus 326K)
  • Stereo speakers
  • Supports Dolby Atmos sound technology
  • Weighs 18 grams less
  • Has a built-in infrared port

Review

Evaluation of Xiaomi Poco C81 and Tecno Spark 40C crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
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📱 Primary usage:

Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
4 / 64 GB
VS
4 / 128 GB
227.7
(Excellent)
Value Index
104.9
(Excellent)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Poco C81
vs
Spark 40C

Display

Type IPS LCD IPS LCD
Size 6.9 inches 6.67 inches
Resolution 720 x 1600 pixels 720 x 1600 pixels
Aspect ratio 20:9 20:9
PPI 254 ppi 263 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (60-120 Hz)
Max rated brightness 800 nits -
HDR support No No
Screen protection Tempered glass Tempered glass
Screen-to-body ratio 84.2% 84.2%
Screen space comparison
Poco C81
6.9″ (20:9 ratio) = 17.8 in2
Spark 40C
6.67″ (20:9 ratio) = 16.6 in2
~7% more screen space

Design and build

Height 171.6 mm (6.76 inches) 165.6 mm (6.52 inches)
Width 79.5 mm (3.13 inches) 77 mm (3.03 inches)
Thickness 8.2 mm (0.32 inches) 8.4 mm (0.33 inches)
Weight 208 g (7.34 oz) 190 g (6.7 oz)
Waterproof No IP64
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Gold, Blue White, Black, Gray, Blue
Fingerprint scanner Yes, in-button Yes, in-button
Screen-to-body ratio
Poco C81
84.2%
Spark 40C
84.2%

Performance

Chipset specifications of Xiaomi Poco C81 and Tecno Spark 40C
SoC
Chipset Unisoc T7250 MediaTek Helio G81
Max clock 1800 MHz 2000 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 1.6 GHz: Cortex-A55
- 2 cores at 1.8 GHz: Cortex-A75		 - 6 cores at 1.7 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
Manufacturing TSMC TSMC
Lithography process 12 nanometers 12 nanometers
Neural processor (NPU) No Yes
GPU
Graphics Mali-G57 MP1 Mali-G52 MP2
GPU shading units 32 48
GPU clock 850 MHz 820 MHz
FLOPS ~54.4 GFLOPS ~78.7 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi Poco C81 and Tecno Spark 40C
Geekbench 6 (Single-Core)
Poco C81
430
Spark 40C +3%
444
Geekbench 6 (Multi-Core)
Poco C81 +7%
1462
Spark 40C
1372
Compute Score (GPU)
Compute Score (GPU) 710 -
Single-core score 430 444
Multi-core score 1462 1372
Sources: Geekbench [3]
AnTuTu Benchmark 11
Poco C81
326769
Spark 40C +11%
363458
CPU 144072 140880
GPU 20274 23707
Memory 76639 88844
UX 85784 110027
Total score 326769 363458
Samples Less than 3 [2 tests]
PCMark 3.0
Poco C81
n/a
Spark 40C
8110
Web score - 8115
Video editing - 5775
Photo editing - 16330
Data manipulation - 5146
Writing score - 8908
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi Poco C81
No benchmark results yet
Add
Tecno Spark 40C
DateBenchmarkResult
📘 2026-07-05 (Zoro)Battery lifeSOT 9:00 / 9:00
📘 2026-04-11 -> AlehakindAnTuTu 11363458
📘 2025-10-10 (K)AnTuTu 11356117
Add View all (3)

Memory

RAM
RAM size 4 GB 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1800 MHz
Channels 2 2
Storage
Storage size 64 GB 128 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max size Up to 1024 GB Up to 1024 GB

Software

Operating system Android 16 Android 15
ROM HyperOS 3 HIOS 15.1
OS updates 6 years -
Security updates 6 years -

Battery

Capacity 6300 mAh 6000 mAh
Max charge power 15 W 18 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging Yes No
Bypass charging No -
Fast charging Yes Yes
Add your battery life

Main camera

Matrix 13 megapixels 13 megapixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Digital
8K video recording No No
4K video recording No No
1080p video recording Up to 30FPS Up to 30FPS
Slow motion No -
Lenses 1) Standard: 13 MP
1) Standard: 13 MP
2) Depth: 8 MP
Camera features - Bokeh mode
- Pro mode		 - Bokeh mode
- Pro mode
Standard lens
Image resolution 13 MP 13 MP
Aperture - f/1.8
Focal length - 27 mm
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital

Selfie camera

Megapixels 8 megapixels 8 megapixels
Sensor - CMOS
Autofocus No No
Stabilization No No
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard 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 5.2 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode		 - Charging
- USB-Storage mode
- OTG
DisplayPort No No
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Galileo
NFC* No Depends on the region
Infrared port No Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
5G support No No

Sound

Speakers Mono Stereo
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No Yes

Other

Category Budget Budget
Announced April 2026 July 2025
Release date April 2026 August 2025
Launch price (MSRP) $100 $100
Sensors - Accelerometer
- Compass
- Fingerprint		 - Proximity sensor
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 15 W Yes, 45 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the gaming, battery life, and software are more important to you, then choose the Xiaomi Poco C81. But if the design and sound are more of a priority – go for the Tecno Spark 40C.

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