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

Realme GT 7 vs Tecno Spark 40C

88 out 100
Realme GT 7
VS
55 out 100
Tecno Spark 40C
Realme GT 7
Tecno Spark 40C

Compared 2 smartphones : Realme GT 7 Manufactured in May, 2025, with display 6.78 with chipsetMediaTek Dimensity 9400e, vs Tecno Spark 40C, Manufactured in August, 2025with 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 7
  • Larger display: 6.78in
  • Higher pixel density: 450ppi
  • Higher battery capacity: 7000mAh vs 6000mAh
  • Newer Bluetooth version: 5.4 vs 5.3
  • Built-in eSIM
Reasons to choose Tecno Spark 40C
  • Lighter design: 190g vs 206g
  • Supports Dolby Atmos

Versions

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

Review

Key Specs Realme GT 7 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 7
vs
Tecno Spark 40C

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.78 in 6.67 in
Resolution 1264x2780 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 450 ppi 263 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max brightness 1600 nits n/a
HDR support Yes Dolby Vision No
Touch Sampling Rate 360 Hz n/a
Screen-to-body ratio 89.8 % 84.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Realme GT 7
1441 nits
Tecno Spark 40C
n/a

Design & Build

Design and ergonomics comparison
Height 162.42 mm (6.39 in) 165.6 mm (6.52 in)
Width 76.13 mm (3 in) 77 mm (3.03 in)
Thickness 8.3 mm (0.33 in) 8.4 mm (0.33 in)
Weight 206 g (7.27 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
- Green		 - White
- Black
- Gray
- Blue
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Realme GT 7
89.8 %
Tecno Spark 40C
84.2 %

Performance

Testing Realme GT 7 and Tecno Spark 40C In benchmarks
Processor
Chipset MediaTek Dimensity 9400e MediaTek Helio G81
Max Frequency 3400 MHz 2000 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2 (Cortex-A720)
- 3/2.85 (Cortex-X4)
- 1/3.4 (Cortex-X4)		 - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 4 nm 12 nm
Neural Processor MediaTek NPU 790 Yes
Graphics Mali-G720 Immortalis MP12 Mali-G52 MP2
GPU Cores 1536 48
GPU Frequency 1300 MHz 820 MHz
FLOPS 3993.6 GFLOPS 78.7 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme GT 7
2290
Tecno Spark 40C
444
Geekbench 6 (Multi-Core)
Realme GT 7
7349
Tecno Spark 40C
1372
Geekbench 6 (Single-Core)2290444
Geekbench 6 (Multi-Core)73491372
Geekbench Compute (GPU)13227n/a
Sources: Geekbench v6 [Realme GT 7], [Tecno Spark 40C]
AnTuTu 10
AnTuTu 10
Realme GT 7
2205940
Tecno Spark 40C
245537
CPU51833476856
GPU90813035386
Memory40397464168
UX37550269127
NanoReview Score2205940245537

Memory

RAM
RAM Size 8 GB 4 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 1800 MHz
Channels 4 2
Storage
Storage Capacity256 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 Yes No
Fast Charging Yes (56% in 15 min) Yes
Full Charge Time 0:36 h n/a
Battery Life Test
Battery Life
Realme GT 7
34:22
Tecno Spark 40C
n/a
Web Browsing18:23 hn/a
Video Playback22:53 hn/a
Games09:51 hn/a
Standby Mode113 hn/a

Main camera

Matrix 50 MP 13 MP
Photo resolution 8192x6144 pixels n/a
Zoom Optical, 2x Digital
Flash LED Dual LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) No
1080p Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (1080p) n/a
Wide-angle lens 112 ° n/a
Lenses count Standard: 50 MP
Telephoto: 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 lengthn/a27 mm
SensorSony IMX906n/a
Sensor size1/1.56n/a
Pixel size1 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix50 MPn/a
Aperturef/2.0n/a
Focal length47 mmn/a
SensorSamsung S5KJN5n/a
Sensor size1/2.76n/a
Pixel size0.64 μmn/a
StabilizationDigitaln/a
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 7 (802.11 a/b/g/n/ac/ax/be) 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 5.4 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 *YesNo
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 Flagship Budget
Announced May, 2025 yr July, 2025 yr
Release Date May, 2025 yr August, 2025 yr
MSRP ($) 600 100
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
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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