AGM A2 vs AGM A8 Mini vs AGM A8 Mini vs UMIDigi Crystal: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: AGM A2 vs AGM A8 Mini vs AGM A8 Mini vs UMIDigi Crystal. The complete information of specifications to decide which to buy.

Compare
AGM A2AGM A2Global · 2GB · 16GB
AGM A8 MiniAGM A8 MiniGlobal · 2GB · 16GB
AGM A8 MiniAGM A8 MiniGlobal · 1GB · 8GB
UMIDigi CrystalUMIDigi CrystalGlobal · 2GB · 16GB
Technical data sheets

Basics
AGM A2
AGM A2
Global · 2GB · 16GB
View datasheet
vs
AGM A8 Mini
AGM A8 Mini
Global · 2GB · 16GB
View datasheet
vs
AGM A8 Mini
AGM A8 Mini
Global · 1GB · 8GB
View datasheet
vs
UMIDigi Crystal
UMIDigi Crystal
Global · 2GB · 16GB
View datasheet
vs

Score
Ki Cost-effective
Score		 -- Not available -- Not available -- Not available -- Not available
Design and Screen score --Design & Materials --Design & Materials --Design & Materials --Design & Materials
Performance and Hardware score --Performance & Hardware --Performance & Hardware --Performance & Hardware --Performance & Hardware
Camera score --Camera --Camera --Camera --Camera
Connectivity score -- Connectivity -- Connectivity -- Connectivity -- Connectivity
Battery score --Battery --Battery --Battery --Battery

User reviews
User score
--
No user reviews
--
No user reviews
--
No user reviews
3.4
20 reviews

Technical specifications of the AGM A2 vs AGM A8 Mini vs AGM A8 Mini vs UMIDigi Crystal

Specs stores to buy AGM A2 AGM A2
Global · 2GB · 16GB 		AGM A8 Mini prices AGM A8 Mini
Global · 2GB · 16GB 		where to buy AGM A8 Mini AGM A8 Mini
Global · 1GB · 8GB 		where to buy UMIDigi Crystal UMIDigi Crystal
Global · 2GB · 16GB
Inches 4" 4" 4" 5.5"
Resolution LowRes LowRes LowRes FHD
Usable surface 46% useful 49% useful 49% useful 79% useful
Aspect Ratio 5:3 5:3 5:3 16:9
Dimensions 73.2 mm
133.2 mm
14.5 mm 		70.0 mm
131.0 mm
15.0 mm 		70.0 mm
131.0 mm
15.0 mm 		74.8 mm
141.3 mm
8.1 mm
Weight 225 g 192 g 192 g 180 g
Micro SnapD. 210
Quad-Core 		SnapD. 210
Quad-Core 		SnapD. 210
Quad-Core 		MT6737
Quad-Core
RAM 2 GB RAM 2 GB RAM 1 GB RAM 2 GB RAM
Storage 16 GB 16 GB 8 GB 16 GB
AnTuTu 18.121
v6 		18.788
v6 		17.583
v6 		37.000
v?
Battery 2600 mAh 2600 mAh 2600 mAh 3000 mAh
Main Camera 1
8 Mpx · Unknow

1
8 Mpx · Unknow
Exmor RS
1
8 Mpx · Unknow
Exmor RS
1
13 Mpx · ƒ/2.0

2
Selfie Camera SELF 2 Mpx · ƒ/-- SELF 2 Mpx · ƒ/-- SELF 2 Mpx · ƒ/-- SELF 5 Mpx · ƒ/--
Bands
OS Android 5.0 Lollipop Android 5.0 Lollipop Android 5.0 Lollipop Android 7.0 Nougat

Brand
Brand AGM AGM AGM UMiDIGI
Aliases -- -- -- --

Release Date
Release date January 2017,
7 years ago 		July 2017,
6 years ago 		July 2017,
6 years ago 		June 2017,
6 years ago
State Not available Not available Not available Not available
Market Global Global Global Global

Design & Materials

Structure

AGM A2
AGM A8 Mini
AGM A8 Mini
UMIDigi Crystal
AGM A2
AGM A8 Mini
AGM A8 Mini
UMIDigi Crystal
Size
73.2 mm • 133.2 mm • 14.5 mm
See more details
 Print 3D Model
70.0 mm • 131.0 mm • 15.0 mm
See more details
 Print 3D Model
70.0 mm • 131.0 mm • 15.0 mm
See more details
 Print 3D Model
74.8 mm • 141.3 mm • 8.1 mm
See more details
 Print 3D Model
Weight 225 g 192 g 192 g 180 g
Usable surface 46 % 49 % 49 % 79 %
Materials Rugged Smartphone, Plastic Rugged Smartphone, Plastic Rugged Smartphone, Plastic Aluminium alloy
Resistance IP68 IP68 IP68 -
Colors
Black
Black

Orange
Black

Orange
Turquoise

Jet Black

Screen
Diagonal 4" 4" 4" 5.5"
Type LCD LCD LCD LCD IPS • Sharp
Aspect Ratio 5:3 5:3 5:3 16:9
Resolution LowRes
480 x 800 px 		LowRes
480 x 800 px 		LowRes
480 x 800 px 		FHD
1080 x 1920 px
Density 233 Pixels per inch 233 Pixels per inch 233 Pixels per inch 401 Pixels per inch

Others

Others
  • Without Notch
  • Scratch resistant
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • Without Notch
  • Scratch resistant
  • Dragontrail glass
  • Capacitive
  • Multi-touch
  • Without Notch
  • Scratch resistant
  • Dragontrail glass
  • Capacitive
  • Multi-touch
  • Without Notch
  • Brightnes 500 cd/m² (typ)
  • 1000:1 contrast ratio
  • NTSC
  • 85% NTSC
  • Color LED Notifications
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 4
  • Capacitive
  • Multi-touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
--
--
--
5.6
Do you think it's a nice phone?
--
--
--
6.7
Is it comfortable?
--
--
--
6.0
Can you see it well in the sunlight?
--
--
--
6.0
Number of reviews
--
--
--
20 reviews

Performance & Hardware

Processor
Model Qualcomm Snapdragon 210 MSM8909 Qualcomm Snapdragon 210 MSM8909 Qualcomm Snapdragon 210 MSM8909 MediaTek MT6737T
CPU 4x Cortex-A7 1.1 GHz 4x Cortex-A7 1.1 GHz 4x Cortex-A7 1.1 GHz 4x Cortex-A53 1.5 GHz
Type Quad-Core Quad-Core Quad-Core Quad-Core
Manufacturing 28 nm 28 nm 28 nm 28 nm
64 Bits No No No Yes

Graphics
GPU Qualcomm Adreno 304 Qualcomm Adreno 304 Qualcomm Adreno 304 ARM Mali-T720 MP2

RAM
RAM 2 GB 2 GB 1 GB 2 GB
Type -- -- -- --

Antutu
Score
18.121
Antutu v6
Overall performance better than 1% of devices
See more details
18.788
Antutu v6
Overall performance better than 3% of devices
See more details
17.583
Antutu v6
Overall performance better than 23% of devices
See more details
37.000
Antutu v?
Overall performance better than 0% of devices
See more details

Storage
Capacity 16 GB 16 GB 8 GB 16 GB
Type -- -- -- --
SD Slot Yes ,
Independent SD slot 		Yes ,
Independent SD slot 		Yes ,
Independent SD slot 		Yes ,
Slot for SD or second SIM card

Security
Fingerprint No No No Yes, in the back

Sensors
Sensors
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Gravity

Audio

Audio
-
-
-
-

Others
Notifications LED -- -- -- Color LED Notifications
Cooling system No No No No
Gaming buttons No No No No

User reviews

Does it have good sound?
--
--
--
3.7
Does it work smoothly in everyday use?
--
--
--
4.7
What's your experience been with demanding games?
--
--
--
5.1
Number of reviews
--
--
--
20 reviews

Camera

Main
No. of cameras Rear camera Rear camera Rear camera Double rear camera
1
Camera type

Standard

Standard

Standard

Standard
Resolution 8 Mpx 8 Mpx 8 Mpx 13 Mpx
Sensor Unknown Sony Exmor RS Sony Exmor RS Samsung
Type CMOS CMOS BSI CMOS BSI CMOS
Aperture Unknow Unknow Unknow ƒ/ 2.0
ISO -- -- -- --
Pixel size 1.10 µm -- -- 1.13 µm
Pixel Binning -- -- -- --
Sensor size -- -- -- --
2
Camera type
--
--
--

Portrait mode (depth)
Resolution
5 Mpx
Sensor
Unknown
Type
--
Aperture
ƒ/ --
Pixel size
--
Pixel Binning
--
Sensor size
--

Features
Flash LED LED LED Dual LED
Optical Stabilisation No No No No
Slow Motion Video No,
30 fps 		No,
30 fps 		No,
30 fps 		No,
30 fps
Others
  • Digital zoom
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Digital zoom
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Digital zoom
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Digital zoom
  • Dual camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Front Flash

Selfie
SELF
Camera type

Dedicated

Dedicated

Dedicated

Dedicated
Resolution 2 Mpx 2 Mpx 2 Mpx 5 Mpx
Sensor Unknown Unknown Unknown Unknown
Type -- -- -- --
Aperture ƒ/ -- ƒ/ -- ƒ/ -- ƒ/ --
Pixel size -- -- -- --
Pixel Binning -- -- -- --
Sensor size -- -- -- --
Others
--
--
--
--

DxOMark Score
DxOMark Score -- -- -- --

User reviews

Quality of daytime photos
--
--
--
4.6
Quality of nighttime photos
--
--
--
1.9
Quality of selfies
--
--
--
3.7
Does it have a powerful flash?
--
--
--
4.5
Number of reviews
--
--
--
20 reviews

Connectivity

Network compatibility

5G -- -- -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
3G
  • B1 (2100)
  • B8 (900)
  • B1 (2100)
  • B8 (900)
  • B1 (2100)
  • B8 (900)
  • B1 (2100)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Nano SIM
  • Nano SIM

Wi-Fi
Wi-Fi
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
Others
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Direct

Bluetooth
Version Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.0
Others
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)

Navigation
Navigation
  • GPS
  • A-GPS
  • GPS
  • A-GPS
  • GPS
  • A-GPS
  • GPS
  • A-GPS
  • GLONASS

USB
USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 -- -- -- --
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 -- -- -- --

Others
Others
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.

User reviews

Does it have good coverage for calls?
--
--
--
5.7
Quality of the GPS
--
--
--
3.9
And the WiFi?
--
--
--
5.3
Number of reviews
--
--
--
20 reviews

Battery

Battery
Capacity
2600 mAh
See more details
2600 mAh
See more details
2600 mAh
See more details
3000 mAh
See more details
Type Li-Polymer Li-Polymer Li-Polymer Li-Polymer
Fast charge No No No Yes
Others
  • Removable
  • Removable
  • Removable
  • Non-removable

User reviews

How long does the battery last?
--
--
--
  • 20%
    Less than half day
  • 45%
    Less than a day
  • 15%
    One day
  • 20%
    More than one day
  • 0%
    Two days or more
Number of reviews
--
--
--
20 reviews

Software

Software
Operating System
  • Android 5.1 Lollipop
    Android 5.0 Lollipop, 9 years ago
  • Android 5.1 Lollipop
    Android 5.0 Lollipop, 9 years ago
  • Android 5.1 Lollipop
    Android 5.0 Lollipop, 9 years ago
  • Android 7.1.1 Nougat
    Android 7.0 Nougat, 7 years ago
Google Services (official) Yes Yes Yes Yes

User reviews

Did it come with preinstalled applications?
--
--
--
  • 40%
    It comes with a clean operating system
  • 60%
    It has preinstalled apps but they don't bother me
  • 0%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
--
--
--
  • 47%
    Never
  • 11%
    Once a year
  • 21%
    Every six months
  • 21%
    Every two months or less
Number of reviews
--
--
--
20 reviews
Prices
Prices unavailable
Prices unavailable
Prices unavailable
Prices unavailable