Home Phone comparison Infinix Zero 40 4G and Samsung Galaxy A31 - Which is better?

Infinix Zero 40 4G vs Samsung Galaxy A31

59 out 100
Infinix Zero 40 4G
VS
43 out 100
Samsung Galaxy A31
Infinix Zero 40 4G
Samsung Galaxy A31

Compared 2 smartphones : Infinix Zero 40 4G Manufactured in September, 2024, with display 6.78 with chipsetMediaTek Helio G100, vs Samsung Galaxy A31, Manufactured in April, 2020 with chipsetMediatek Helio P65. 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 Infinix Zero 40 4G
  • Larger display: 6.78in
  • Higher refresh rate: 120Hz
  • Lighter design: 180g vs 185g
  • Newer Bluetooth version: 5.2 vs 5
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy A31
  • Higher pixel density: 411ppi
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 8/512 GB		 - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB

Review

Key Specs Infinix Zero 40 4G and Samsung Galaxy A31
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.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Infinix Zero 40 4G
vs
Samsung Galaxy A31

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 6.78 in 6.4 in
Resolution 1080x2436 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 393 ppi 411 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 1300 nits 600 nits
HDR support No No
Touch Sampling Rate 360 Hz n/a
Screen-to-body ratio 90.6 % 84.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 Always-On Display
Display test
Peak brightness (auto)
Infinix Zero 40 4G
n/a
Samsung Galaxy A31
629 nits
sRGB gamutn/a96.8 %
PWM (Flicker)n/a238 Hz
Response timen/a8 ms
Contrastn/a∞ Infinite
Sources: NotebookCheck [Samsung Galaxy A31]

Design & Build

Design and ergonomics comparison
Height 164.3 mm (6.47 in) 159.3 mm (6.27 in)
Width 74.6 mm (2.94 in) 73.1 mm (2.88 in)
Thickness 7.7 mm (0.3 in) 8.6 mm (0.34 in)
Weight 180 g (6.35 oz) 185 g (6.53 oz)
Water resistance IP54 No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Pink		 - White
- Black
- Blue
- Red
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Infinix Zero 40 4G
90.6 %
Samsung Galaxy A31
84.9 %

Performance

Testing Infinix Zero 40 4G and Samsung Galaxy A31 In benchmarks
Processor
Chipset MediaTek Helio G100 Mediatek Helio P65
Max Frequency 2200 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)		 - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 6 nm 12 nm
Neural Processor Yes Yes
Graphics Mali-G57 MP2 Mali-G52 MP2
GPU Cores 128 48
GPU Frequency 1000 MHz 820 MHz
FLOPS 128 GFLOPS 78.7 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Infinix Zero 40 4G
726
Samsung Galaxy A31
509
Geekbench 6 (Multi-Core)
Infinix Zero 40 4G
1951
Samsung Galaxy A31
1553
Geekbench 6 (Single-Core)726509
Geekbench 6 (Multi-Core)19511553
Geekbench Compute (GPU)1475n/a
Sources: Geekbench v6 [Infinix Zero 40 4G]
AnTuTu 10
AnTuTu 10
Infinix Zero 40 4G
413018
Samsung Galaxy A31
197929
CPU10201474327
GPU7137624218
Memory12293145491
UX11669753893
NanoReview Score413018197929
3DMark Wild Life
3DMark Wild Life
Infinix Zero 40 4G
n/a
Samsung Galaxy A31
572
Max Surface Temp.n/a45.2 °C
Stabilityn/a97 %
Graphics Testn/a3 fps
Graphics Scoren/a572
Sources: 3DMark [Samsung Galaxy A31]
PCMark 3.0
PCMark 3.0
Infinix Zero 40 4G
n/a
Samsung Galaxy A31
5615
Writing scoren/a5825
Web scoren/a4447
Video editingn/a4920
Data manipulationn/a4420
NanoReview Scoren/a5615

Memory

RAM
RAM Size 8 GB 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB		- 64 GB
- 128 GB
Storage TypeUFS 2.2eMMC 5.1
Memory CardNoMicroSD

Software

OS Android 13 (Upgradeable to Android 14) Android 10 (Upgradeable to Android 12)
OS Size n/a 27 GB
UI Skin XOS 14.5 One UI 4.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 45 W 15 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (50% in 25 min) Yes Samsung Adaptive Fast Charge (50% in 60 min)
Full Charge Time 0:55 h 2:25 h
Battery Life Test
Battery Life
Infinix Zero 40 4G
n/a
Samsung Galaxy A31
25:27
Web Browsingn/a10:26 h
Video Playbackn/a14:36 h
Gamesn/a05:44 h
Standby Moden/a126 h

Main camera

Matrix 108 MP 48 MP
Photo resolution 12000x9000 pixels 8000x6000 pixels
Zoom Digital Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion n/a No
Wide-angle lens 120 ° 123 °
Lenses count Standard: 108 MP
Ultra-wide: 50 MP
Depth: 2 MP		 Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix108 MP48 MP
Aperturef/1.75f/2.0
Focal lengthn/a26 mm
SensorSamsung S5KHM6Samsung S5KGM2
Sensor size1/1.671/2.0
Pixel size0.64 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/2.0f/2.2
Focal lengthn/a13 mm
SensorSamsung S5KJN1n/a
Sensor size1/2.761/4.0
Pixel size0.64 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 20 MP
Photo resolution n/a 5963x3354 pixels
Aperture f/2.45 f/2.2
Focal length 21 mm n/a
Sensor Samsung ISOCELL S5KJN1 CMOS
Sensor size 1/2.76 n/a
Pixel size 0.64 μm n/a
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 30 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 Direct
- Wi-Fi Hotspot
Bluetooth version 5.2 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
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
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G Bandsn/aGSM850, GSM900, DCS1800, PCS1900
3G Bandsn/aB1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*n/aLTE (B1/B2/B3/B5/B7/B8/B20/B38/B40/B41)
LTE categoryn/a12
5G SupportNoNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Infinix Zero 40 4G
n/a
Samsung Galaxy A31
78.5 dB

Other

Class Mid-range Mid-range
Announced August, 2024 yr March, 2020 yr
Release Date September, 2024 yr April, 2020 yr
Launch Price ($) 250 210
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Infinix Zero 40 4G the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below