Xiaomi Redmi 12 vs Tecno Spark 40

Compared 2 smartphones : Xiaomi Redmi 12 Manufactured in June, 2023, with display 6.79 with chipsetMediaTek Helio G88, vs Tecno Spark 40, Manufactured in July, 2025with chipsetMediaTek Helio G81. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi 12
  • Larger display: 6.79in
  • Higher pixel density: 396ppi
Reasons to choose Tecno Spark 40
  • Higher refresh rate: 120Hz
  • Lighter design: 188g vs 198.5g
  • Higher battery capacity: 5200mAh vs 5000mAh
  • Supports Dolby Atmos
  • Includes charger

Versions

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

Review

Key Specs Xiaomi Redmi 12 and Tecno Spark 40
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

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.79 in 6.67 in
Resolution 1080x2460 pixels 720x1600 pixels
Aspect ratio 19.5:9 20:9
Pixel density 396 ppi 263 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 550 nits n/a
HDR support No No
Screen-to-body ratio 88 % 84.2 %
Display test
Peak brightness (auto)
Xiaomi Redmi 12
539 nits
Tecno Spark 40
n/a
sRGB gamut96.3 %n/a
Response time26 msn/a
Contrast898:1n/a

Design & Build

Design and ergonomics comparison
Height 168.6 mm (6.64 in) 165.6 mm (6.52 in)
Width 76.28 mm (3 in) 77 mm (3.03 in)
Thickness 8.17 mm (0.32 in) 7.7 mm (0.3 in)
Weight 198.5 g (7 oz) 188 g (6.63 oz)
Water resistance IP53 IP64
Back panel Plastic n/a
Frame Plastic Plastic
Colors - Black
- Silver
- Blue
- White
- Black
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes In-Button
Screen-to-body ratio
Xiaomi Redmi 12
88 %
Tecno Spark 40
84.2 %

Performance

Testing Xiaomi Redmi 12 and Tecno Spark 40 In benchmarks
Processor
Chipset MediaTek Helio G88 MediaTek Helio G81
Max Frequency 2000 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
- 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 12 nm 12 nm
Neural Processor MediaTek APU Yes
Graphics Mali-G52 MP2 Mali-G52 MP2
GPU Cores 48 48
GPU Frequency 1000 MHz 1000 MHz
FLOPS 96 GFLOPS 96 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 12
434
Tecno Spark 40
501
Geekbench 6 (Multi-Core)
Xiaomi Redmi 12
1223
Tecno Spark 40
1410
Geekbench 6 (Single-Core)434501
Geekbench 6 (Multi-Core)12231410
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 12
266658
Tecno Spark 40
255412
CPU8450884479
GPU3952235504
Memory6968867616
UX7294067813
NanoReview Score266658255412
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi 12
743
Tecno Spark 40
n/a
PCMark 3.0
PCMark 3.0
Xiaomi Redmi 12
9150
Tecno Spark 40
n/a
Writing score8646n/a
Web score8615n/a
Video editing6849n/a
Data manipulation6391n/a
NanoReview Score9150n/a

Memory

RAM
RAM Size - 4 GB
- 8 GB
4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1800 MHz 1800 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
128 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 13 (Upgradeable to Android 15) Android 15
OS Size 18 GB n/a
UI Skin HyperOS 2.0 HIOS 15

Battery

Volume 5000 mAh 5200 mAh
Max Charging Power 18 W 45 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (29% in 30 min) Yes (50% in 21 min)
Full Charge Time 2:07 h 0:56 h
Battery Life Test
Battery Life
Xiaomi Redmi 12
22:09
Tecno Spark 40
n/a
Web Browsing07:58 hn/a
Video Playback12:45 hn/a
Games04:59 hn/a
Standby Mode118 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8150x6150 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 120 fps (720p) n/a
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Depth: 2 MP
Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8n/a
SensorSamsung S5KJN1n/a
Sensor size1/2.76n/a
Pixel size0.64 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
SensorSony IMX355n/a
Sensor size1/2.8n/a
Pixel size1.14 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 8 MP 8 MP
Photo resolution 3264x2448 pixels n/a
Aperture f/2.1 n/a
Sensor n/a 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 5.3 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 n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Galileo
NFC* Varies by region Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotYesNo
2G BandsGSM 2/3/5/8n/a
3G BandsWCDMA 1/5/8n/a
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)n/a
LTE category7n/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 12
79.4 dB
Tecno Spark 40
n/a

Other

Class Budget Budget
Announced June, 2023 yr July, 2025 yr
Release Date June, 2023 yr July, 2025 yr
Launch Price ($) 159 n/a
MSRP ($) n/a 130
Sensors - Accelerometer
- Compass
- Fingerprint sensor
- Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes 45 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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