Xiaomi Mi A2 128GB vs Samsung Galaxy A7 2018 128GB

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Comparing the Xiaomi Mi A2 128GB vs Samsung Galaxy A7 2018 128GB 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: Both Xiaomi Mi A2 128GB and Samsung Galaxy A7 2018 128GB run at the same processing speed of 2.2 GHz.


Display: Samsung Galaxy A7 2018 128GB offers a screen size of 6 inches, while Xiaomi Mi A2 128GB offers 5.99 inches, making Samsung Galaxy A7 2018 128GB the larger display of the two. Samsung Galaxy A7 2018 128GB features a Super AMOLED display compared to Xiaomi Mi A2 128GB's IPS LCD, making Samsung Galaxy A7 2018 128GB the better display of the two.


Rear Camera: Samsung Galaxy A7 2018 128GB offers a higher rear camera resolution with 24 MP, while Xiaomi Mi A2 128GB offers 12 MP, making Samsung Galaxy A7 2018 128GB better for rear camera photography.


Front Camera: Samsung Galaxy A7 2018 128GB offers a higher front camera resolution with 24 MP, while Xiaomi Mi A2 128GB offers 20 MP, making Samsung Galaxy A7 2018 128GB better for front camera photography.


Battery: Samsung Galaxy A7 2018 128GB offers a higher battery capacity with 3300 mAh, while Xiaomi Mi A2 128GB offers 3010 mAh, making Samsung Galaxy A7 2018 128GB better for longer battery life.


Storage: Both Xiaomi Mi A2 128GB and Samsung Galaxy A7 2018 128GB offer the same internal storage of 128 GB.


Expert Review: Xiaomi Mi A2 128GB receives a higher expert rating of 8 from the editorial team, while Samsung Galaxy A7 2018 128GB is rated 7.


User Rating: Samsung Galaxy A7 2018 128GB receives a higher user rating of 4.3, while Xiaomi Mi A2 128GB has a rating of 4.

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Xiaomi Mi A2 128GB
₹10,259
(Out of Stock)
Samsung Galaxy A7 2018 128GB
₹23,469
(Discontinued)
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Summary

Release Date

26 Oct, 2018
18 Oct, 2018
14 May, 2026

Performance

Snapdragon 660
Samsung Exynos 7 Octa 7885
Snapdragon 8 Elite Gen 5
Octa Core (upto 2.2 GHz)
Octa Core (upto 2.2 GHz)
Octa Core (upto 4.61 GHz)
6 GB RAM
6 GB RAM
16 GB RAM

Display

5.99 inches (15.21 cm)
6.0 inches (15.24 cm)
6.82 inches (17.32 cm)
IPS LCD
Super AMOLED
AMOLED
1080x2160 px (FHD+)
1080x2220 px (FHD+)
1440x3168 px (QHD+)
N/A
N/A
144 Hz Refresh Rate

Rear Camera

12 MP
Primary Camera
24 MP
Wide Angle Primary Camera
200 MP
Primary Camera (upto 3.7x Optical Zoom)
20 MP
Camera
5 MP
Depth Camera
200 MP
Telephoto Camera
N/A
8 MP
Ultra-Wide Angle Camera
50 MP
Ultra-Wide Angle Camera

Front Camera

20 MP
24 MP
Wide Angle Lens
50 MP

Battery

3010 mAh
3300 mAh
6600 mAh
Quick Charging
N/A
100W Flash Charging
N/A
N/A
Wireless Charging

Storage

128 GB
128 GB
512 GB
eMMC 5.1
eMMC 5.1
UFS 4.1

Expert Review

8.0/10
7.0/10
8.7/10

Pros

  • Excellent cameras
  • Solid performer
  • Assured Android updates for the next two years
  • The wide-angle sensor does help
  • Impressive display
  • Good build quality
  • Stellar and versatile three-lens camera system
  • Excellent performance
  • Bright and crisp 2K AMOLED display

Cons

  • No headphone jack
  • Battery life is average
  • Pronounced camera bump
  • Performance issues
  • No USB Type-C port
  • Battery life could have been better
  • Very expensive with camera kit
  • No shortcut key

User Ratings

4/5
(48,541 ratings)
4.3/5
(4,516 ratings)
4.6/5
(29 ratings)

Benchmarks (The higher, the better)

N/A
N/A
3,977,648
AnTuTu Score
N/A
N/A
15h 10m
Battery Life (PC Mark)

Compare Prices

Not Available in any store
Not Available in any store
₹159,999

Video

Videos
5 More Videos
Videos
1 More Video
Videos
1 Video

User Feedback

General

Launch Date

Oct 26, 2018
(Official)
N/A
May 06, 2026
(Official)

Operating System

Android v8.1 (Oreo)
Android v8.0 (Oreo)
Android v16

OS Updates

N/A
N/A
5 Year

Security Updates

N/A
N/A
7 Year

Custom UI

Android One
N/A
Origin OS

Performance

Performance Rating

Good
Good
Best In Class

Chipset

Qualcomm Snapdragon 660 MSM8956
Samsung Exynos 7 Octa 7885
Qualcomm Snapdragon 8 Elite Gen 5 SM8850-AC

Processor

Octa core

2.2 GHz, Quad core, Kryo 260 1.84 GHz, Quad core, Kryo 260
Octa core

2.2 GHz, Dual core, Cortex A73 1.6 GHz, Hexa Core, Cortex A53
Octa core

4.61 GHz, Dual core, Oryon 3.62 GHz, Hexa Core, Oryon

Architecture (The higher, the better)

64 bit
64 bit
64 bit

Fabrication (The lower, the better)

14 nm
14 nm
3 nm

Graphics (GPU)

Adreno 512
Mali-G71 MP2
Adreno 840

RAM

4 GB / 6 GB
4 GB / 6 GB
16 GB

RAM Type

LPDDR4X
LPDDR4
LPDDR5X Ultra

Performance Test Results

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

N/A
N/A
3,977,648

Bootup Time (The lower, the better)

N/A
N/A
14.0 s

Gaming Test Results

Wild Life Extreme (The higher, the better) Wild Life Extreme is a classic mobile benchmark; it renders in 4K to test the peak performance of a wide range of devices.

N/A
N/A
6,450

Battery Drain* (The lower, the better)

N/A
N/A
7.0 %

Heating* (The lower, the better)

N/A
N/A
21.7 %
* after 30 mins of gaming

Display

Display Rating

Excellent
Best In Class
Best In Class

Display Type

IPS LCD
Super AMOLED
AMOLED

Screen Size

5.99 inches  (15.21 cm)
6.0 inches  (15.24 cm)
6.82 inches  (17.32 cm)

Resolution

1080x2160 px (FHD+)
1080x2220 px (FHD+)
1440x3168 px (QHD+)

Peak Brightness

N/A
N/A
4500 nits

Refresh Rate

N/A
N/A
144 Hz

Aspect Ratio

18:9
18.5:9
19.8:9

Pixel Density

403 ppi
411 ppi
510 ppi

Screen to Body Ratio (calculated)

77.38 %
74.78 %
89.7 %

Screen Protection

Corning Gorilla Glass v5
Corning Gorilla Glass v3
Yes

Bezel-less Display

Yes
Yes
Yes with punch-hole display

HDR 10 / HDR+ Support

N/A
N/A
Yes

Screen to Body Ratio (claimed by the brand)

N/A
N/A
94.49 %

Design

Height

158.7 mm
159.8 mm
162.98 mm

Width

75.4 mm
76.8 mm
76.81 mm

Thickness

7.3 mm
7.5 mm
8.19 mm

Weight

168 grams
169 grams
232 grams

Build Material

Back: Aluminium
Back: Mineral Glass
Back: Glass

Rear Camera

Rear Camera Rating

Good
Good
Best In Class

Resolution

12 MP
Primary Cameraf/1.751/2.9" sensor size IMX486 Exmor-RS CMOS Sensor 1.25µm pixel size
24 MP
Primary Cameraf/1.7 Wide Angle 78° field-of-view27 mm focal length 1/2.8" sensor size Exmor-RS CMOS Sensor 0.9µm pixel size
200 MP
Primary Camera105x Digital Zoom 3.7x Optical Zoomf/1.8535 mm focal length LYT 901 0.7µm pixel size
20 MP
f/1.71/2.8" sensor size 1µm pixel size
5 MP
f/2.2 Depth Camera
200 MP
f/2.67 Telephoto Camera85 mm focal length 1/1.28" sensor size
N/A
8 MP
f/2.4 Ultra-Wide Angle Camera18 mm focal length
50 MP
f/2.0 Ultra-Wide Angle Camera14 mm focal length

Autofocus

Yes Phase Detection Autofocus
Yes Phase Detection Autofocus
Yes

OIS

No
No
Yes

Flash

Yes LED Flash
Yes LED Flash
Yes Dual LED Flash

Image Resolution

4000 x 3000 Pixels
5288 x 3968 Pixels
N/A

Settings

Exposure compensation ISO control
Exposure compensation ISO control
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Burst mode
Continuous Shooting
High Dynamic Range mode (HDR)
N/A

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus
Digital Zoom
Auto Flash
Face detection
Touch to focus
105 x Digital Zoom
3.7 x Optical Zoom

Video Recording

4k @30 fps
Full HD @30 fps
HD @120 fps
720x480 @30 fps
1920x1080 @ 30 fps
8k @30 fps
4k @30/60/120 fps
Full HD @30/60/120 fps

Front Camera

Front Camera Rating

Very Good
Very Good
Best In Class

Resolution

20 MP
f/2.2 Primary Camera1/2.8" sensor size Exmor RS 1µm pixel size
24 MP
f/2.0 Wide Angle Primary Camera26 mm focal length
50 MP
f/2.45 Primary Camera

Autofocus

N/A
No
N/A

Flash

Yes Soft light flash
Yes LED Flash
Yes Screen flash

Video Recording

Full HD @30 fps
N/A
N/A

Battery

Battery Rating

Very Good
Very Good
Excellent

Capacity

3010 mAh
3300 mAh
6600 mAh

Battery Type

Li-Polymer
Li-ion
Li-ion

TalkTime

N/A
Up to 19 Hours(3G)
N/A

Quick Charging

Yes Quick Charging v4.0
N/A
Yes 100W Flash Charging

Wireless Charging

N/A
N/A
Yes 40W Wireless Charging

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.

N/A
N/A
15h 10m

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

N/A
N/A
0h 36m 0s

Storage

Internal Storage

64 GB / 128 GB
64 GB / 128 GB
512 GB

Storage Type

eMMC 5.1
eMMC 5.1
UFS 4.1

Expandable Storage

No
Yes Up to 512 GB
N/A

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano

Network Support

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

VoLTE

Yes
Yes
Yes

SIM 1

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20)
5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N18 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78 / N79 / N80 / N81 / N83 / N84 / N89
N/A
N/A
4G Bands:
TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43)
FD-LTE 1700(band 66) / 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
View More

SIM 2

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20)
5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N18 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78 / N79 / N80 / N81 / N83 / N84 / N89
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43) / 3500(band 48)
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) / 700(band 12) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) / 1700(band 66)
View More

SAR Value

Head: 1.092 W/kg Body: 0.259 W/kg
N/A
N/A

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)
Yes Wi-Fi 7 (802.11 be/ax) MIMO

Wi-Fi Features

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

Bluetooth

Yes v5.0
Yes v5.0
Yes v6.0

GPS

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

NFC

No
No
Yes

IR Blaster

N/A
N/A
Yes

Multimedia

Audio Jack

USB Type-C
3.5 mm
USB Type-C

Audio Features

N/A
Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

Rear
Side
On-screen

Fingerprint Sensor Type

N/A
N/A
Ultrasonic

Other Sensors

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

Compare Prices

Not Available in any store
Not Available in any store
₹159,999