Xiaomi Redmi Note 15 5G vs Tecno Spark Slim

Compared 2 smartphones : Xiaomi Redmi Note 15 5G Manufactured in August, 2025, with display 6.77 with chipsetQualcomm Snapdragon 6 Gen 3, vs Tecno Spark Slim, Manufactured in October, 2025with chipsetMediaTek Helio G200. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi Note 15 5G
  • Higher battery capacity: 5800mAh vs 5160mAh
Reasons to choose Tecno Spark Slim
  • Larger display: 6.78in
  • Higher pixel density: 440ppi
  • Higher refresh rate: 144Hz
  • Lighter design: 156g vs 178g
  • Newer Bluetooth version: 5.4 vs 5.1
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB
n/a

Review

Key Specs Xiaomi Redmi Note 15 5G and Tecno Spark Slim
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 AMOLED AMOLED
Size 6.77 in 6.78 in
Resolution 1080x2340 pixels 1224x2720 pixels
Aspect ratio n/a 20:9
Pixel density 388 ppi 440 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes
Max brightness n/a 4500 nits
HDR support No No
Screen-to-body ratio 89.1 % 89.1 %
Features DCI-P3 - DCI-P3
- DC dimming

Design & Build

Design and ergonomics comparison
Height 165 mm (6.5 in) 164.2 mm (6.46 in)
Width 75.4 mm (2.97 in) 75.9 mm (2.99 in)
Thickness 7.4 mm (0.29 in) 5.93 mm (0.23 in)
Weight 178 g (6.28 oz) 156 g (5.5 oz)
Water resistance IP68 IP64
Frame Plastic Plastic
Colors - White
- Black
- Blue
- White
- Black
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi Note 15 5G
89.1 %
Tecno Spark Slim
89.1 %

Performance

Testing Xiaomi Redmi Note 15 5G and Tecno Spark Slim In benchmarks
Processor
Chipset Qualcomm Snapdragon 6 Gen 3 MediaTek Helio G200
Max Frequency 2400 MHz 2200 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Cortex-A55)
- 4/2.4 (Cortex-A78)
- 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
Process Samsung TSMC
Transistor Size 4 nm 6 nm
Neural Processor Hexagon Yes
Graphics Adreno 710 Mali-G57 MP2
GPU Cores 256 64
GPU Frequency 1010 MHz 1100 MHz
FLOPS 517.1 GFLOPS 140.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 15 5G
1015
Tecno Spark Slim
718
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 15 5G
2890
Tecno Spark Slim
1985
Geekbench 6 (Single-Core)1015718
Geekbench 6 (Multi-Core)28901985
Geekbench Compute (GPU)n/a1480
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 15 5G
608985
Tecno Spark Slim
591552
CPU200717220476
GPU14138848665
Memory118625149900
UX148255172511
NanoReview Score608985591552

Memory

RAM
RAM Size 6 GB 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 2.2UFS 2.2
Memory CardNoNo

Software

OS Android 15 Android 15
UI Skin HyperOS 2.0 HIOS 15

Battery

Volume 5800 mAh 5160 mAh
Max Charging Power 45 W 45 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging Yes Yes
Fast Charging Yes Yes (52% in 30 min)
Full Charge Time n/a 0:57 h

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8160x6144 pixels
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: 2 MP
Standard: 50 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8n/a
Sensor size1/2n/a
Pixel size0.64 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 8 MP 13 MP
Aperture f/2.0 n/a
Sensor n/a CMOS
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.1 5.4
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
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
5G SupportYesNo

Sound

3.5 mm Jack Yes No
FM Radio Yes Yes
Dolby Atmos n/a Yes

Other

Class Mid-range Mid-range
Announced August, 2025 yr September, 2025 yr
Release Date August, 2025 yr October, 2025 yr
MSRP ($) n/a 190
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 45 W Yes, 45 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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