Samsung Galaxy M40 vs Xiaomi Mi A3

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Comparing the Samsung Galaxy M40 vs Xiaomi Mi A3 across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Samsung Galaxy M40 scores higher on the Geekbench Multi-Core test with 6,576, while Xiaomi Mi A3 scores 5,385, making Samsung Galaxy M40 the better performer.


Display: Samsung Galaxy M40 offers a screen size of 6.3 inches, while Xiaomi Mi A3 offers 6.08 inches, making Samsung Galaxy M40 the larger display of the two. Xiaomi Mi A3 features a Super AMOLED display compared to Samsung Galaxy M40's PLS TFT LCD, making Xiaomi Mi A3 the better display of the two.


Rear Camera: Xiaomi Mi A3 offers a higher rear camera resolution with 48 MP, while Samsung Galaxy M40 offers 32 MP, making Xiaomi Mi A3 better for rear camera photography.


Front Camera: Xiaomi Mi A3 offers a higher front camera resolution with 32 MP, while Samsung Galaxy M40 offers 16 MP, making Xiaomi Mi A3 better for front camera photography.


Battery: Xiaomi Mi A3 offers a higher battery capacity with 4030 mAh, while Samsung Galaxy M40 offers 3500 mAh, making Xiaomi Mi A3 better for longer battery life.


Storage: Xiaomi Mi A3 offers higher internal storage with 64 GB, while Samsung Galaxy M40 offers 128 GB, making Xiaomi Mi A3 the better option for storage.


Expert Review: The editorial team rates both Samsung Galaxy M40 and Xiaomi Mi A3 equally at 7.


User Rating: Xiaomi Mi A3 receives a higher user rating of 4.2, while Samsung Galaxy M40 has a rating of 4.

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Samsung Galaxy M40
₹15,798
(Out of Stock)
Xiaomi Mi A3
₹9,999
(Out of Stock)
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Summary

Spec Score

75%
75%

Release Date

18 Jun, 2019
23 Aug, 2019

Performance

Snapdragon 675
Snapdragon 665
Octa Core (upto 2 GHz)
Octa Core (upto 2 GHz)
6 GB RAM
4 GB RAM

Display

6.3 inches (16 cm)
6.08 inches (15.44 cm)
PLS TFT LCD
Super AMOLED
1080x2340 px (FHD+)
720x1560 px (HD+)

Rear Camera

32 MP
Primary Camera
48 MP
Primary Camera
8 MP
Ultra-Wide Angle Camera
8 MP
Ultra-Wide Angle Camera
5 MP
Depth Camera
2 MP
Depth Camera

Front Camera

16 MP
32 MP

Battery

3500 mAh
4030 mAh
15W Fast Charging
18W Quick Charging
No Wireless Charging
No Wireless Charging

Storage

128 GB
64 GB
eMMC 5.1
UFS 2.1

Expert Review

7.0/10
7.0/10

Pros

  • Gorgeous design
  • Reliable performance
  • Capable cameras
  • Good-looking design
  • Timely Android updates
  • Long-lasting battery life

Cons

  • No headphone jack
  • Battery life is average
  • No AMOLED display
  • HD+ display at this price is a letdown
  • Competition offers better performance
  • Rear cameras struggle in lowlight scenarios

User Ratings

4/5
(18,912 ratings)
4.2/5
(62,827 ratings)

Benchmarks (The higher, the better)

173,420
AnTuTu Score
140,257
AnTuTu Score
9h 12m
Battery Life (PC Mark)
N/A

Compare in 360 View

Video

Videos
5 More Videos
Videos
6 More Videos

User Feedback

General

Launch Date

Jun 18, 2019
(Official)
Aug 23, 2019
(Official)

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)

OS Updates

N/A
2 Years

Security Updates

N/A
3 Years

Custom UI

Samsung One UI
Android One

Performance

Performance Rating

Good
Good

Chipset

Qualcomm Snapdragon 675
Qualcomm Snapdragon 665
View Details

Processor

Octa core

2 GHz, Dual core, Kryo 460 1.7 GHz, Hexa Core, Kryo 460
Octa core

2 GHz, Quad core, Kryo 260 1.8 GHz, Quad core, Kryo 260

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

11 nm
11 nm

Graphics (GPU)

Adreno 612
Adreno 610

RAM

6 GB
4 GB / 6 GB

RAM Type

LPDDR4X
LPDDR4X

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

173,420
140,257

Bootup Time (The lower, the better)

22.0 s
19.0 s

Gaming Test Results

Battery Drain* (The lower, the better)

N/A
5.0 %

Heating* (The lower, the better)

N/A
8.7 %
* after 30 mins of gaming

Display

Display Rating

Excellent
Excellent

Display Type

PLS TFT LCD
Super AMOLED

Screen Size

6.3 inches  (16 cm)
6.08 inches  (15.44 cm)

Resolution

1080x2340 px (FHD+)
720x1560 px (HD+)

Aspect Ratio

19.5:9
19.5:9

Pixel Density

409 ppi
283 ppi

Screen to Body Ratio (calculated)

84.71 %
82.15 %

Screen Protection

Corning Gorilla Glass v3
Corning Gorilla Glass v5

Bezel-less Display

Yes with punch-hole display
Yes with waterdrop notch

Screen to Body Ratio (claimed by the brand)

91.8 %
N/A

Design

Height

155.3 mm
153.4 mm

Width

73.9 mm
71.85 mm

Thickness

7.9 mm
8.4 mm

Weight

168 grams
173.8 grams

Build Material

Back: Plastic
Back: Mineral Glass

Water Resistance

N/A
Yes Splash proof

Rear Camera

Rear Camera Rating

Very Good
Very Good

Resolution

32 MP
Primary Camera8x Digital Zoomf/1.71/2.8" sensor size CMOS image sensor 0.8µm pixel size
48 MP
Primary Camera2x Digital Zoomf/1.791/2" sensor size IMX586 Exmor-RS CMOS Sensor 0.8µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera12 mm focal length
8 MP
f/2.2 Ultra-Wide Angle Camera13 mm focal length 1/4.0" sensor size 1.12µm pixel size
5 MP
f/2.2 Depth Camera
2 MP
f/2.4 Depth Camera

Autofocus

Yes
Yes Phase Detection Autofocus

OIS

No
No

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

6500 x 4920 Pixels
8000 x 6000 Pixels

Settings

Exposure compensation ISO control
Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus
2 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

4k @30 fps
4k @30 fps
Full HD @60 fps

Front Camera

Front Camera Rating

Very Good
Very Good

Resolution

16 MP
f/2.0 Primary Camera1/3.06" sensor size CMOS
32 MP
f/2.0 Primary Camera26 mm focal length 1/2.8" sensor size 1.6µm pixel size

Autofocus

No
N/A

Flash

No
N/A

Camera Features

N/A
Fixed Focus

Video Recording

Full HD @30 fps
Full HD @30 fps
HD @30 fps

Compare Camera Samples

Battery

Battery Rating

Very Good
Very Good

Capacity

3500 mAh
4030 mAh

Battery Type

Li-ion
Li-ion

TalkTime

Up to 29 Hours(4G)
N/A

Quick Charging

Yes 15W Fast Charging
Yes 18W Quick Charging v3.0

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

9h 12m
N/A

Charging Time (20% to 100%) (The lower, the better)

2h 27m 34s
2h 30m 28s

Storage

Internal Storage

128 GB
64 GB / 128 GB

Storage Type

eMMC 5.1
UFS 2.1

Expandable Storage

Yes Up to 512 GB
Yes Up to 256 GB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano (Hybrid)
SIM1: Nano SIM2: Nano (Hybrid)

Network Support

5G Not Supported 4G
5G Not Supported 4G

VoLTE

Yes
Yes

SIM 1

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 800(band 20)

SIM 2

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 800(band 20)

SAR Value

Head: 0.200 W/kg
Head: 0.527 W/kg Body: 0.722 W/kg

Wi-Fi

Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Yes Wi-Fi 5 (802.11 a/b/g/n/ac)

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Wi-Fi Direct Mobile Hotspot

Bluetooth

Yes v5.0
Yes v5.0

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

Yes
No

Multimedia

Audio Jack

USB Type-C
3.5 mm

Audio Features

Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

Rear
On-screen

Fingerprint Sensor Type

N/A
Optical

Other Sensors

Light sensor Proximity sensor Accelerometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope