Home Phone comparison Xiaomi Redmi A4 5G and Samsung Galaxy A40 - Which is better?

Xiaomi Redmi A4 5G vs Samsung Galaxy A40

53 out 100
Xiaomi Redmi A4 5G
VS
37 out 100
Samsung Galaxy A40
Xiaomi Redmi A4 5G
Samsung Galaxy A40

Compared 2 smartphones : Xiaomi Redmi A4 5G Manufactured in November, 2024, with display 6.88 with chipsetQualcomm Snapdragon 4s Gen 2, vs Samsung Galaxy A40, Manufactured in April, 2019 with chipsetSamsung Exynos 7 Octa 7904. 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 Xiaomi Redmi A4 5G
  • Larger display: 6.88in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5160mAh vs 3100mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Includes charger
Reasons to choose Samsung Galaxy A40
  • Higher pixel density: 437ppi
  • Lighter design: 140g vs 212.3g
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB		 - 4/64 GB
- 4/128 GB

Review

Key Specs Xiaomi Redmi A4 5G and Samsung Galaxy A40
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:
Xiaomi Redmi A4 5G
vs
Samsung Galaxy A40

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.88 in 5.9 in
Resolution 720x1640 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 260 ppi 437 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 600 nits 548 nits
HDR support No No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 85.5 % 85.5 %
Display test
Peak brightness (auto)
Xiaomi Redmi A4 5G
n/a
Samsung Galaxy A40
543 nits
sRGB gamutn/a142.6 %
PWM (Flicker)n/a245 Hz
Response timen/a9 ms
Contrastn/a∞ Infinite
Sources: NotebookCheck [Samsung Galaxy A40]

Design & Build

Design and ergonomics comparison
Height 171.88 mm (6.77 in) 144.4 mm (5.69 in)
Width 77.8 mm (3.06 in) 69.2 mm (2.72 in)
Thickness 8.22 mm (0.32 in) 7.9 mm (0.31 in)
Weight 212.3 g (7.49 oz) 140 g (4.94 oz)
Water resistance IP52 No
Back panel Glass Plastic
Frame Plastic Plastic
Colors - Black
- Purple		 - White
- Black
- Blue
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Xiaomi Redmi A4 5G
85.5 %
Samsung Galaxy A40
85.5 %

Performance

Testing Xiaomi Redmi A4 5G and Samsung Galaxy A40 In benchmarks
Processor
Chipset Qualcomm Snapdragon 4s Gen 2 Samsung Exynos 7 Octa 7904
Max Frequency 2000 MHz 1770 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A78)		 - 6/1.6 (Cortex-A53)
- 2/1.8 (Cortex-A73)
Process Samsung Samsung
Transistor Size 4 nm 14 nm
Neural Processor Yes No
Graphics n/a Mali-G71 MP2
GPU Cores n/a 32
GPU Frequency n/a 770 MHz
FLOPS n/a 49.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi A4 5G
825
Samsung Galaxy A40
486
Geekbench 6 (Multi-Core)
Xiaomi Redmi A4 5G
1869
Samsung Galaxy A40
1530
Geekbench 6 (Single-Core)825486
Geekbench 6 (Multi-Core)18691530
AnTuTu 10
AnTuTu 10
Xiaomi Redmi A4 5G
376951
Samsung Galaxy A40
156332
CPU13988555233
GPU5187821549
Memory8699041648
UX9819837902
NanoReview Score376951156332
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi A4 5G
n/a
Samsung Galaxy A40
404
Max Surface Temp.n/a44.8 °C
Stabilityn/a98 %
Graphics Testn/a2 fps
Graphics Scoren/a404
Sources: 3DMark [Samsung Galaxy A40]

Memory

RAM
RAM Size 4 GB 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		64 GB
Storage TypeUFS 2.2eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 14 Android 9.0 (Upgradeable to Android 11)
OS Size n/a 14.6 GB
UI Skin HyperOS 1.0 One UI 3.1

Battery

Volume 5160 mAh 3100 mAh
Max Charging Power 18 W 15 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (25% in 30 min) Yes Samsung Adaptive Fast Charge (50% in 40 min)
Full Charge Time 2:18 h 1:45 h
Battery Life Test
Battery Life
Xiaomi Redmi A4 5G
n/a
Samsung Galaxy A40
15:48
Web Browsingn/a05:59 h
Video Playbackn/a09:54 h
Gamesn/a04:04 h
Standby Moden/a77 h

Main camera

Matrix 50 MP 16 MP
Photo resolution 8160x6144 pixels 4616x3464 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion n/a 120 fps (720p)
Wide-angle lens n/a 123 °
Lenses count Standard: 50 MP
Depth		 Standard: 16 MP
Ultra-wide: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP16 MP
Aperturef/1.8f/1.7
Focal length27 mm26 mm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a5 MP
Aperturen/af/2.2
Focal lengthn/a13 mm
Stabilizationn/aDigital

Front camera

Matrix 5 MP 25 MP
Photo resolution n/a 5984x4140 pixels
Aperture f/2.2 f/2.0
Focal length n/a 25 mm
Sensor CMOS CMOS
Sensor size n/a 1/2.8
Pixel size n/a 0.9 μm
Autofocus No No
Stabilization No Digital
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 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 5.3 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
NFC* No Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsWCDMA 1/5/8HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500)
LTE categoryn/a12
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio n/a Yes
Dolby Atmos n/a Yes
Speaker Test
Max Volume
Xiaomi Redmi A4 5G
n/a
Samsung Galaxy A40
82.6 dB

Other

Class Budget Mid-range
Announced October, 2024 yr April, 2019 yr
Release Date November, 2024 yr April, 2019 yr
Launch Price ($) 110 250
Sensors - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi A4 5G the clear winner in this comparison.

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