Xiaomi Mi A1 vs Umidigi S2

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Comparing the Xiaomi Mi A1 vs Umidigi S2 across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Umidigi S2 runs at a higher processing speed of 2.3 GHz, while Xiaomi Mi A1 runs at 2.0 GHz, making Umidigi S2 the better performer.


Display: Umidigi S2 offers a screen size of 6 inches, while Xiaomi Mi A1 offers 5.5 inches, making Umidigi S2 the larger display of the two. Both Xiaomi Mi A1 and Umidigi S2 feature the same IPS LCD display.


Rear Camera: Umidigi S2 offers a higher rear camera resolution with 13 MP, while Xiaomi Mi A1 offers 12 MP, making Umidigi S2 better for rear camera photography.


Front Camera: Both Xiaomi Mi A1 and Umidigi S2 feature a 5 MP primary front camera.


Battery: Umidigi S2 offers a higher battery capacity with 5100 mAh, while Xiaomi Mi A1 offers 3080 mAh, making Umidigi S2 better for longer battery life.


Storage: Both Xiaomi Mi A1 and Umidigi S2 offer the same internal storage of 64 GB.


User Rating: Xiaomi Mi A1 receives a higher user rating of 4.4, while Umidigi S2 has a rating of 4.

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Xiaomi Mi A1
₹12,999
(Out of Stock)
Umidigi S2
₹28,000
(Discontinued)
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Summary

Spec Score

72%
69%

Release Date

12 Sep, 2017
15 Nov, 2017

Performance

Snapdragon 625
MediaTek MT6757
Tru-Octa Core (upto 2 GHz)
Octa Core (upto 2.3 GHz)
4 GB RAM
4 GB RAM

Display

5.5 inches (13.97 cm)
6.0 inches (15.24 cm)
IPS LCD
IPS LCD
1080x1920 px (FULL HD)
720x1440 px (HD+)

Rear Camera

12 MP
Primary Camera
13 MP
Primary Camera
12 MP
Telephoto Camera (upto 2x Optical Zoom)
5 MP
Camera

Front Camera

5 MP
5 MP

Battery

3080 mAh
5100 mAh
N/A
Quick Charging
No Wireless Charging
No Wireless Charging

Storage

64 GB
64 GB
eMMC 5.1
N/A

Expert Review

8.0/10
N/A

Pros

  • Solid and slender build
  • Impressive dual cameras
  • Android N in its naked form
  • Reliable performance
  • Device yet to be reviewed

Cons

  • Average battery life
  • Heats up occasionally
  • Device yet to be reviewed

User Ratings

4.4/5
(470,471 ratings)
4/5
(4 ratings)

Video

Videos
8 More Videos
There are no videos available for the device.

User Feedback

General

Launch Date

Sep 12, 2017
(Official)
N/A

Operating System

Android v7.1.2 (Nougat)
Android v6.0 (Marshmallow)

Custom UI

Android One
N/A

Performance

Performance Rating

Good
Avg

Chipset

Qualcomm Snapdragon 625 MSM8953
MediaTek MT6757

Processor

Octa core, 2 GHz, Cortex A53
Octa core

2.3 GHz, Quad core, Cortex A53 1.6 GHz, Quad core, Cortex A53

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

14 nm
N/A

Graphics (GPU)

Adreno 506
Mali-T880 MP2

RAM

4 GB
4 GB

RAM Type

LPDDR3
N/A

Display

Display Rating

Excellent
Excellent

Display Type

IPS LCD
IPS LCD

Screen Size

5.5 inches  (13.97 cm)
6.0 inches  (15.24 cm)

Resolution

1080x1920 px (FULL HD)
720x1440 px (HD+)

Aspect Ratio

N/A
18:9

Pixel Density

401 ppi
268 ppi

Screen to Body Ratio (calculated)

70.63 %
78.77 %

Screen Protection

Corning Gorilla Glass
Corning Gorilla Glass v4

Bezel-less Display

N/A
Yes

Design

Height

155.4 mm
158.1 mm

Width

75.8 mm
74.6 mm

Thickness

7.3 mm
8.8 mm

Weight

165 grams
186 grams

Build Material

Frame: Metal
Back: Metal
Frame: Metal
Back: Metal

Rear Camera

Rear Camera Rating

Good
Good

Resolution

12 MP
Primary Cameraf/2.21.25µm pixel size
13 MP
Primary Cameraf/2.0IMX258 Exmor-RS CMOS Sensor
12 MP
Telephoto Camera
5 MP

Autofocus

Yes Phase Detection Autofocus
Yes Phase Detection Autofocus

OIS

No
N/A

Flash

Yes Dual-color LED Flash
Yes Quad LED Flash

Image Resolution

4000 x 3000 Pixels
4128 x 3096 Pixels

Settings

Exposure compensation ISO control
Exposure compensation

Shooting Modes

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

Camera Features

Auto Flash
Face detection
Touch to focus
Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

4k @30 fps
Full HD @30 fps
HD @120 fps
N/A

Front Camera

Front Camera Rating

Good
Avg

Resolution

5 MP
f/2.0 Primary Camera
5 MP
Primary Camera

Battery

Battery Rating

Very Good
Excellent

Capacity

3080 mAh
5100 mAh

Battery Type

Li-ion
Li-Polymer

Quick Charging

N/A
Yes Quick Charging v2.0

Storage

Internal Storage

64 GB
64 GB

Storage Type

eMMC 5.1
N/A

Expandable Storage

Yes Up to 128 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
N/A

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:
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 800(band 20)

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:
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 800(band 20)

SAR Value

Head: 1.26 W/kg Body: 0.17 W/kg
N/A

Wi-Fi

Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Yes Wi-Fi 4 (802.11 a/b/g/n)

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v4.2
Yes v4.0

GPS

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

NFC

No
No

Multimedia

Audio Jack

3.5 mm
USB Type-C

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

Rear
Rear

Other Sensors

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

Applications

Explorer Mi Cloud Mi Remote
N/A