Nothing Phone (3a) Pro vs Tecno Spark 20 Pro Plus

Compared 2 smartphones : Nothing Phone (3a) Pro Manufactured in March, 2025, with display 6.77 with chipsetQualcomm Snapdragon 7s Gen 3, vs Tecno Spark 20 Pro Plus, Manufactured in February, 2024 with chipsetMediaTek Helio G99 Ultimate. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Nothing Phone (3a) Pro
  • Newer Bluetooth version: 5.4 vs 5.2
  • Built-in eSIM
Reasons to choose Tecno Spark 20 Pro Plus
  • Larger display: 6.78in
  • Higher pixel density: 393ppi
  • Lighter design: 179g vs 211g
  • Includes charger

Versions

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

Review

Key Specs Nothing Phone (3a) Pro and Tecno Spark 20 Pro Plus
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 1080x2392 pixels 1080x2436 pixels
Aspect ratio n/a 21:9
Pixel density 387 ppi 393 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 1300 nits 1000 nits
HDR support Yes HDR10+ No
Screen-to-body ratio 88 % 86.9 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Nothing Phone (3a) Pro
1300 nits
Tecno Spark 20 Pro Plus
547 nits
sRGB gamutn/a138.1 %
PWM (Flicker)n/a120 Hz
Response timen/a5 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.52 mm (6.44 in) 164.7 mm (6.48 in)
Width 77.5 mm (3.05 in) 75 mm (2.95 in)
Thickness 8.39 mm (0.33 in) 7.6 mm (0.3 in)
Weight 211 g (7.44 oz) 179 g (6.31 oz)
Water resistance IP64 IP53
Cooling system Vapor chamber n/a
Back panel n/a Plastic
Frame n/a Plastic
Colors - Black
- Gray
- White
- Black
- Gold
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Nothing Phone (3a) Pro
88 %
Tecno Spark 20 Pro Plus
86.9 %

Performance

Testing Nothing Phone (3a) Pro and Tecno Spark 20 Pro Plus In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 3 MediaTek Helio G99 Ultimate
Max Frequency 2500 MHz 2200 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))
- 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
Process TSMC TSMC
Transistor Size 4 nm 6 nm
Neural Processor Yes Yes
Graphics Adreno 810 Mali-G57 MP2
GPU Cores 256 128
GPU Frequency 1050 MHz 1000 MHz
FLOPS 537.6 GFLOPS 128 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Nothing Phone (3a) Pro
1182
Tecno Spark 20 Pro Plus
742
Geekbench 6 (Multi-Core)
Nothing Phone (3a) Pro
3357
Tecno Spark 20 Pro Plus
2026
Geekbench 6 (Single-Core)1182742
Geekbench 6 (Multi-Core)33572026
Geekbench Compute (GPU)4459n/a
AnTuTu 10
AnTuTu 10
Nothing Phone (3a) Pro
750673
Tecno Spark 20 Pro Plus
431655
CPU273000130846
GPU19208971273
Memory135075109824
UX150509119712
NanoReview Score750673431655

Memory

RAM
RAM Size - 8 GB
- 12 GB
8 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 3200 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB
256 GB
Storage Typen/aUFS 2.2
Memory CardNoNo

Software

OS Android 15 Android 14
UI Skin Nothing OS 3.1 HIOS 14

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 50 W 33 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (60% in 15 min) Yes (54% in 30 min)
Full Charge Time 1:05 h 1:12 h
Battery Life Test
Battery Life
Nothing Phone (3a) Pro
24:09
Tecno Spark 20 Pro Plus
25:25
Web Browsing08:09 h09:46 h
Video Playback16:21 h12:13 h
Games05:48 h04:58 h
Standby Mode120 h144 h

Main camera

Matrix 50 MP 108 MP
Photo resolution 8192x6144 pixels 12000x9000 pixels
Zoom Optical, 3x Digital
Flash LED Quad 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 60 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: 108 MP
Macro: 2 MP
Features - Bokeh effect
- Pro mode
Bokeh effect
Main lens
Matrix50 MP108 MP
Aperturef/1.9f/1.8
Focal length24 mmn/a
SensorSony LYT-600Samsung S5KHM6SX
Sensor size1/1.561/1.67
Pixel size1 μm0.64 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix50 MPn/a
Aperturef/2.6n/a
Focal length70 mmn/a
Sensor size1/1.95n/a
Pixel size0.8 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 50 MP 32 MP
Photo resolution 8192x6144 pixels 6464x4864 pixels
Aperture f/2.2 f/2.2
Focal length 24 mm n/a
Sensor n/a Galaxycore GC32E1
Sensor size 1/2.76 1/3.1
Pixel size n/a 0.7 μm
Autofocus n/a No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 1080p (Full HD) at 60 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 5.2
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 n/a
GPS - GPS
- GLONASS
- Galileo
- QZSS
- GPS
- GLONASS
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
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
LTE categoryn/a13
5G SupportYesNo

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No Yes
Dolby Atmos n/a No
Speaker Test
Max Volume
Nothing Phone (3a) Pro
n/a
Tecno Spark 20 Pro Plus
77 dB

Other

Class Mid-range Mid-range
Announced March, 2025 yr December, 2023 yr
Release Date March, 2025 yr February, 2024 yr
Launch Price ($) 459 215
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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