Home Phone comparison Nothing Phone (3a) and Tecno Spark 40C - Which is better?

Nothing Phone (3a) vs Tecno Spark 40C

69 out 100
Nothing Phone (3a)
VS
55 out 100
Tecno Spark 40C
Nothing Phone (3a)
Tecno Spark 40C

Compared 2 smartphones : Nothing Phone (3a) Manufactured in March, 2025, with display 6.77 with chipsetQualcomm Snapdragon 7s Gen 3, 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 Nothing Phone (3a)
  • Larger display: 6.77in
  • Higher pixel density: 387ppi
  • Newer Bluetooth version: 5.4 vs 5.3
Reasons to choose Tecno Spark 40C
  • Lighter design: 190g vs 201g
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Supports Dolby Atmos
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Nothing Phone (3a) 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:
Nothing Phone (3a)
vs
Tecno Spark 40C

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.77 in 6.67 in
Resolution 1080x2392 pixels 720x1600 pixels
Aspect ratio n/a 20:9
Pixel density 387 ppi 263 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (60-120 Hz)
Max brightness 1300 nits n/a
HDR support Yes HDR10+ No
Screen-to-body ratio 88 % 84.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Nothing Phone (3a)
1272 nits
Tecno Spark 40C
n/a

Design & Build

Design and ergonomics comparison
Height 163.52 mm (6.44 in) 165.6 mm (6.52 in)
Width 77.5 mm (3.05 in) 77 mm (3.03 in)
Thickness 8.35 mm (0.33 in) 8.4 mm (0.33 in)
Weight 201 g (7.09 oz) 190 g (6.7 oz)
Water resistance IP64 IP64
Cooling system Vapor chamber n/a
Back panel n/a Plastic
Frame n/a Plastic
Colors - White
- Black
- Blue		 - White
- Black
- Gray
- Blue
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Nothing Phone (3a)
88 %
Tecno Spark 40C
84.2 %

Performance

Testing Nothing Phone (3a) and Tecno Spark 40C In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 3 MediaTek Helio G81
Max Frequency 2500 MHz 2000 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Kryo Silver (Cortex-A520))
- 3/2.4 (Kryo Gold (Cortex-A720))
- 1/2.5 (Kryo Prime (Cortex-A720))		 - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 4 nm 12 nm
Neural Processor Yes Yes
Graphics Adreno 810 Mali-G52 MP2
GPU Cores 256 48
GPU Frequency 1050 MHz 820 MHz
FLOPS 537.6 GFLOPS 78.7 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Nothing Phone (3a)
1178
Tecno Spark 40C
444
Geekbench 6 (Multi-Core)
Nothing Phone (3a)
3214
Tecno Spark 40C
1372
Geekbench 6 (Single-Core)1178444
Geekbench 6 (Multi-Core)32141372
Geekbench Compute (GPU)4435n/a
Sources: Geekbench v6 [Nothing Phone (3a)], [Tecno Spark 40C]
AnTuTu 10
AnTuTu 10
Nothing Phone (3a)
708353
Tecno Spark 40C
245537
CPU21562176856
GPU19771535386
Memory14564964168
UX14936869127
NanoReview Score708353245537

Memory

RAM
RAM Size - 8 GB
- 12 GB		 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1800 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB		128 GB
Storage TypeUFS 2.2eMMC 5.1
Memory CardNoMicroSD

Software

OS Android 15 Android 15
UI Skin Nothing OS 3.1 HIOS 15.1

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 50 W 18 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (61% in 30 min) Yes
Full Charge Time 1:06 h n/a
Battery Life Test
Battery Life
Nothing Phone (3a)
25:03
Tecno Spark 40C
n/a
Web Browsing08:06 hn/a
Video Playback16:25 hn/a
Games05:49 hn/a
Standby Mode131 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 No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) n/a
Wide-angle lens 120 ° 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/1.9f/1.8
Focal length24 mm27 mm
SensorSony LYT-600n/a
Sensor size1/1.56n/a
Pixel size1 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix50 MPn/a
Aperturef/2.6n/a
Focal length50 mmn/a
Sensor size1/2.74n/a
Pixel size0.64 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length15 mmn/a
SensorSony IMX355n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 32 MP 8 MP
Aperture f/2.2 n/a
Focal length 22 mm n/a
Sensor CMOS CMOS
Sensor size 1/3.44 n/a
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 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 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 No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900n/a
3G BandsUMTS 1, 2, 4, 5, 6, 8, 19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)n/a
5G SupportYesNo

Sound

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

Other

Class Mid-range Budget
Announced March, 2025 yr July, 2025 yr
Release Date March, 2025 yr August, 2025 yr
Launch Price ($) 329 n/a
MSRP ($) n/a 100
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- 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

After analyzing the data, we consider Nothing Phone (3a) the clear winner in this comparison.

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