Home > Smartphone comparison > Mi 9 vs Galaxy A50 – which one to choose?

Xiaomi Mi 9 vs Samsung Galaxy A50

Here we compared two smartphones: the 6.39-inch Xiaomi Mi 9 (with Qualcomm Snapdragon 855) that was released on February 20, 2019, against the Samsung Galaxy A50, which is powered by Exynos 7 Octa 9610. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Mi 9
  • 2.5x better performance in AnTuTu Benchmark (429K versus 174K)
  • Better camera quality (According to DxOMark rating)
  • The rear camera has a 2x optical zoom
  • Supports wireless charging up to 20W
  • Ability to record video in 4K resolution
  • Slow-motion recording at 960FPS
  • Delivers 13% higher maximum brightness (627 against 555 nits)
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy A50
  • Comes with 700 mAh larger battery capacity: 4000 vs 3300 mAh
  • Shows 8% longer battery life (98 vs 91 hours)
  • Expandable storage via MicroSD card up to 512GB
  • More recent OS version: Android 11 versus 10
  • Supports Dolby Atmos sound technology
  • Includes a 3.5 mm headphone audio jack port

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type AMOLED Super AMOLED
Size 6.39 inches 6.4 inches
Resolution 1080 x 2340 pixels 1080 x 2340 pixels
Aspect ratio 19.5:9 19.5:9
PPI 403 ppi 403 ppi
Refresh rate 60 Hz 60 Hz
HDR support Yes, HDR10 No
Screen protection Corning Gorilla Glass 6 Corning Gorilla Glass 3
Screen-to-body ratio 85.2% 85.2%
Display features - Always-On Display
- DC Dimming
- Always-On Display
Display tests
RGB color space 95.4% 141.5%
PWM 245 Hz 119 Hz
Response time 4.2 ms 7 ms
Contrast ∞ Infinity ∞ Infinity
Max. Brightness
Mi 9 +13%
627 nits
555 nits
Sources: NotebookCheck [1], [2]

Design and build

Height 157.5 mm (6.2 inches) 158.5 mm (6.24 inches)
Width 74.6 mm (2.94 inches) 74.7 mm (2.94 inches)
Thickness 7.6 mm (0.3 inches) 7.7 mm (0.3 inches)
Weight 173 gramm (6.1 oz) 166 gramm (5.86 oz)
Waterproof No No
Rear material Glass Plastic
Frame material Metal Plastic
Colors Black, Blue, Purple White, Black, Blue
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
85.2%
85.2%

Performance

Tests of Xiaomi Mi 9 and Samsung Galaxy A50 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 855 Samsung Exynos 7 Octa 9610
Max. clock 2840 MHz 2300 MHz
CPU cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4 cores at 1.8 GHz: Cortex-A55 (Kryo 485 Silver)
- 3 cores at 2.42 GHz: Cortex-A76 (Kryo 485 Gold)
- 1 core at 2.84 GHz: Cortex-A76 (Kryo 485 Gold)
- 4 cores at 1.6 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73
L3 cache 2 MB -
Lithography process 7 nanometers 10 nanometers
Graphics Adreno 640 Mali-G72 MP3
GPU clock 585 MHz 850 MHz
FLOPS ~899 GFLOPS ~259 GFLOPS
Memory
RAM size 6 GB 4, 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage size 128 GB 64, 128 GB
Storage type UFS 2.1 UFS 2.1
Memory card No MicroSD
Memory card max. size - Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Mi 9 +82%
619
Geekbench 5 (Multi-Core)
Mi 9 +97%
2412
1222
AnTuTu Benchmark 8
Mi 9 +146%
429614
174900

Software

Operating system Android 9.0 (Can be upgraded to Android 10) Android 9.0 (Can be upgraded to Android 11)
ROM MIUI 12.0.1 One UI 3.1
OS size 13.5 GB 22 GB

Battery

Specifications
Capacity 3300 mAh 4000 mAh
Charge power 27 W 15 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging Yes (20 W) No
Reverse charging No No
Fast charging Yes, Quick Charge 4 (50% in 30 min) Yes, Samsung Adaptive Fast Charge (40% in 35 min)
Full charging time 1:30 hr 1:50 hr

Battery life tests

Web browsing (Wi-Fi)
10:09 hr
Galaxy A50 +21%
12:16 hr
Watching videos (Player)
Mi 9 +23%
19:02 hr
15:49 hr
Talk (3G)
23:32 hr
24:31 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 25 megapixels
Image resolution 8000 x 6000 5288 x 3968
Zoom Optical, 2x Digital
Flash Dual LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 60FPS No
1080p video recording Up to 240FPS Up to 30FPS
Slow motion 960 FPS (1080p) 240 FPS (720p)
Angle of widest lens 117° 123°
Lenses 3 (48 MP + 12 MP + 16 MP) 3 (25 MP + 8 MP + 5 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Focal length: 27 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX586 (Exmor-RS CMOS)
- Laser autofocus
- 25 MP
- Aperture: f/1.7
- Focal length: 26 mm
- Pixel size: 0.9 micron
- Sensor: 1/2.78", Sony IMX576 (BSI CMOS)
- Phase autofocus
Telephoto lens - 12 MP
- Aperture: f/2.2
- Focal length: 54 mm
- Pixel size: 1 micron
- Sensor: 1/3.6", Samsung S5K3M5 (ISOCELL CMOS)
- Phase autofocus
-
Ultra-wide lens - 16 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1 micron
- Sensor: 1/3.0", Sony IMX481 (BSI CMOS)
- Phase autofocus
- 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
Depth lens - - 5 MP
- Aperture: f/2.2
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
Samples Photo samples of Xiaomi Mi 9 from DxOMark Photo samples of Samsung Galaxy A50 from DxOMark
Selfie camera
Megapixels 20 megapixels 25 megapixels
Image resolution 5184 x 3880 6024 x 4024
Aperture f/2.0 f/2.0
Focal length 18 mm 25 mm
Pixel size 0.9 microns 0.9 microns
Sensor type CMOS CMOS
Sensor size 1/3" 1/2.8"
Video resolution 1080p (Full HD) при 30 FPS 1080p (Full HD) при 30 FPS

DxOMark camera tests

Photo quality
Mi 9 +32%
112
Video quality
Mi 9 +25%
99
Generic camera score
Mi 9 +29%
107

Connectivity

Wi-Fi standard 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 5
Bluetooth features LE, A2DP 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
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou
NFC* Yes Yes
Infrared port Yes No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 20 12
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack No Yes
FM radio No Yes
Dolby Atmos No Yes
Speakers test
Max. loudness
Mi 9 +2%
87.1 dB
85 dB

Other

Category Flagship Mid-range
Announced February 2019 February 2019
Release date April 2019 March 2019
Launch price ~ 487 USD ~ 250 USD
SAR (head) 1.389 W/kg 0.27 W/kg
SAR (body) 0.99 W/kg 1.39 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Xiaomi Mi 9 is definitely a better buy.

Cast your vote

So, which phone would you choose?
19 (40.4%)
28 (59.6%)
Total votes: 47

User opinions

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