Tecno Spark 20 Pro vs Realme 15T

Compared 2 smartphones : Tecno Spark 20 Pro Manufactured in December, 2023, with display 6.78 with chipsetMediaTek Helio G99, vs Realme 15T, Manufactured in September, 2025 with chipsetMediaTek Dimensity 6400 Max. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Tecno Spark 20 Pro
  • Larger display: 6.78in
Reasons to choose Realme 15T
  • Higher pixel density: 401ppi
  • Lighter design: 181g vs 206g
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5.2
  • Infrared port

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Tecno Spark 20 Pro and Realme 15T
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
Smartphones:
vs

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.78 in 6.57 in
Resolution 1080x2460 pixels 1080x2372 pixels
Aspect ratio n/a 20:9
Pixel density 396 ppi 401 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 580 nits 4000 nits
HDR support No No
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 84.5 % 87.6 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 168.6 mm (6.64 in) 158.36 mm (6.23 in)
Width 76.6 mm (3.02 in) 75.19 mm (2.96 in)
Thickness 8.4 mm (0.33 in) 7.79 mm (0.31 in)
Weight 206 g (7.27 oz) 181 g (6.38 oz)
Water resistance IP53 IP69
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- Green
- Yellow
- Silver
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Tecno Spark 20 Pro
84.5 %
Realme 15T
87.6 %

Performance

Testing Tecno Spark 20 Pro and Realme 15T In benchmarks
Processor
Chipset MediaTek Helio G99 MediaTek Dimensity 6400 Max
Max Frequency 2200 MHz 2500 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
- 6/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
Process TSMC TSMC
Transistor Size 6 nm 6 nm
Neural Processor Yes Yes
Graphics Mali-G57 MP2 Mali-G57 MP2
GPU Cores 128 64
GPU Frequency 1000 MHz 1072 MHz
FLOPS 128 GFLOPS 137.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Tecno Spark 20 Pro
722
Realme 15T
808
Geekbench 6 (Multi-Core)
Tecno Spark 20 Pro
1928
Realme 15T
2046
Geekbench 6 (Single-Core)722808
Geekbench 6 (Multi-Core)19282046
Geekbench Compute (GPU)n/a1424
AnTuTu 10
AnTuTu 10
Tecno Spark 20 Pro
430164
Realme 15T
605158
CPU125080223513
GPU6604648052
Memory119857167188
UX119181166405
NanoReview Score430164605158

Memory

RAM
RAM Size 8 GB 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity256 GB128 GB
Storage TypeUFS 2.1UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 13 Android 15
UI Skin HIOS 13 Realme UI 6.0

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 33 W 60 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (50% in 30 min) Yes
Full Charge Time 1:40 h n/a

Main camera

Matrix 108 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Digital
Flash Quad LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 120 fps (720p)
Lenses count Standard: 108 MP
Macro: 2 MP
Standard: 50 MP
Depth: 2 MP
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix108 MP50 MP
Aperturef/1.8f/1.8
Focal lengthn/a27 mm
SensorSamsung HM6Omnivision OV50D40 Light Hunter 400
Sensor size1/1.671/2.88
Pixel size0.64 μm0.61 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical

Front camera

Matrix 32 MP 50 MP
Photo resolution 6464x4864 pixels 8192x6144 pixels
Aperture f/2.2 f/1.8
Focal length n/a 27 mm
Sensor CMOS Omnivision OV50D40 Light Hunter 400
Sensor size n/a 1/2.88
Pixel size n/a 0.61 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 60 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 5.2 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes 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 Bandsn/aGSM 850/900/1800MHz
3G Bandsn/aWCDMA 1/5/8
LTE Bands*n/aLTE (B1/B3/B5/B8/B40/B41)
5G SupportNoYes

Sound

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

Other

Class Mid-range Mid-range
Announced December, 2023 yr September, 2025 yr
Release Date December, 2023 yr September, 2025 yr
Launch Price ($) 160 n/a
MSRP ($) n/a 230
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 W Yes, 60 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Realme 15T the clear winner in this comparison.

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