Home Phone comparison Realme GT 7T and Tecno Spark 40C - Which is better?

Realme GT 7T vs Tecno Spark 40C

81 out 100
Realme GT 7T
VS
55 out 100
Tecno Spark 40C
Realme GT 7T
Tecno Spark 40C

Compared 2 smartphones : Realme GT 7T Manufactured in May, 2025, with display 6.8 with chipsetMediaTek Dimensity 8400 Max, vs Tecno Spark 40C, Manufactured in August, 2025 with 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 Realme GT 7T
  • Larger display: 6.8in
  • Higher pixel density: 453ppi
  • Higher battery capacity: 7000mAh vs 6000mAh
  • Newer Bluetooth version: 6.0 vs 5.3
Reasons to choose Tecno Spark 40C
  • Lighter design: 190g vs 202g
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB		 - 4/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Realme GT 7T 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
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:
Realme GT 7T
vs
Tecno Spark 40C

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.8 in 6.67 in
Resolution 1280x2800 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 453 ppi 263 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes Yes (60-120 Hz)
Max brightness 1800 nits n/a
HDR support Yes Dolby Vision No
Touch Sampling Rate 360 Hz n/a
Screen-to-body ratio 90.5 % 84.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a

Design & Build

Design and ergonomics comparison
Height 162.42 mm (6.39 in) 165.6 mm (6.52 in)
Width 75.97 mm (2.99 in) 77 mm (3.03 in)
Thickness 8.25 mm (0.32 in) 8.4 mm (0.33 in)
Weight 202 g (7.13 oz) 190 g (6.7 oz)
Water resistance IP69 IP64
Cooling system Vapor chamber n/a
Back panel n/a Plastic
Frame Metal Plastic
Colors - Black
- Blue
- Yellow		 - White
- Black
- Gray
- Blue
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Realme GT 7T
90.5 %
Tecno Spark 40C
84.2 %

Performance

Testing Realme GT 7T and Tecno Spark 40C In benchmarks
Processor
Chipset MediaTek Dimensity 8400 Max MediaTek Helio G81
Max Frequency 3250 MHz 2000 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)		 - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 4 nm 12 nm
Neural Processor MediaTek NPU 880 Yes
Graphics Mali-G720 MP7 Mali-G52 MP2
GPU Cores 896 48
GPU Frequency 1300 MHz 820 MHz
FLOPS 2329.6 GFLOPS 78.7 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme GT 7T
1510
Tecno Spark 40C
444
Geekbench 6 (Multi-Core)
Realme GT 7T
6042
Tecno Spark 40C
1372
Geekbench 6 (Single-Core)1510444
Geekbench 6 (Multi-Core)60421372
Sources: Geekbench v6 [Tecno Spark 40C]
AnTuTu 10
AnTuTu 10
Realme GT 7T
1672255
Tecno Spark 40C
245537
CPU38577276856
GPU59328535386
Memory37588664168
UX31731269127
NanoReview Score1672255245537

Memory

RAM
RAM Size 8 GB 4 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 1800 MHz
Channels 4 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 4.0eMMC 5.1
Memory CardNoMicroSD

Software

OS Android 15 Android 15
UI Skin Realme UI 6.0 HIOS 15.1

Battery

Volume 7000 mAh 6000 mAh
Max Charging Power 120 W 18 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging No No
Reverse Charging n/a No
Fast Charging Yes (56% in 15 min) Yes
Full Charge Time 0:37 h n/a

Main camera

Matrix 50 MP 13 MP
Photo resolution 8192x6144 pixels n/a
Zoom Digital Digital
Flash LED Dual LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (1080p) n/a
Wide-angle lens 112 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 13 MP
Depth
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP13 MP
Aperturef/1.8f/1.8
Focal length24 mm27 mm
SensorSony IMX896n/a
Sensor size1/1.56n/a
Pixel size1 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length16 mmn/a
SensorOmnivision OV08D10n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 32 MP 8 MP
Aperture f/2.5 n/a
Focal length 21 mm n/a
Sensor Sony IMX615 CMOS
Sensor size 1/2.74 n/a
Pixel size 0.8 μm n/a
Autofocus No No
Stabilization Digital No
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 6.0 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
- Galileo
- QZSS		 - GPS
- GLONASS
- Galileo
NFC* Yes Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzn/a
3G BandsWCDMA 1/2/4/5/6/8/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B38/B39/B40/B41/B66/B71)n/a
5G SupportYesNo

Sound

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

Other

Class Mid-range Budget
Announced May, 2025 yr July, 2025 yr
Release Date May, 2025 yr August, 2025 yr
MSRP ($) 549 100
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 120 W Yes, 45 W

Note

Realme GT 7T:

The 128GB version uses UFS 3.1 storage.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Realme GT 7T the clear winner in this comparison.

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