Xiaomi Mi 9 vs Samsung Galaxy S10

Here we compared two flagship smartphones: the 6.39-inch Xiaomi Mi 9 (with Qualcomm Snapdragon 855) that was released on February 20, 2019, against the Samsung Galaxy S10, which is powered by Exynos 9 Octa 9820. 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
  • Shows 15% longer battery life (91 vs 79 hours)
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy S10
  • Waterproof body (IP68 classification)
  • 37% higher pixel density (551 vs 403 PPI)
  • Compatible with the latest Wi-Fi 6 wireless networks
  • Delivers 32% higher maximum brightness (813 against 617 nits)
  • Optical image stabilization
  • Expandable storage via MicroSD card up to 512GB
  • Stereo speakers
  • Has 33% more RAM: 8GB versus 6GB
  • More recent OS version: Android 11 versus 10
  • The front-facing camera can record video at 4K

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 6.1 inches
Resolution 1080 x 2340 pixels 1440 x 3040 pixels
Aspect ratio 19.5:9 19:9
PPI 403 ppi 551 ppi
Refresh rate 60 Hz 60 Hz
HDR support Yes, HDR10 Yes, HDR10+
Screen protection Corning Gorilla Glass 6 Corning Gorilla Glass 6
Screen-to-body ratio 85.2% 88.08%
Display features - Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
Display tests
RGB color space 95.4% 98.1%
PWM 245 Hz 240 Hz
Response time 4.2 ms 4.8 ms
Contrast ∞ Infinity ∞ Infinity
Max. Brightness
617 nits
Galaxy S10 +32%
813 nits
Sources: NotebookCheck [1], [2]

Design and build

Height 157.5 mm (6.2 inches) 149.9 mm (5.9 inches)
Width 74.6 mm (2.94 inches) 70.4 mm (2.77 inches)
Thickness 7.6 mm (0.3 inches) 7.8 mm (0.31 inches)
Weight 173 gramm (6.1 oz) 157 gramm (5.54 oz)
Waterproof No IP68
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Blue, Purple White, Black, Blue, Green
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
85.2%
88.08%

Performance

Tests of Xiaomi Mi 9 and Samsung Galaxy S10 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 855 Samsung Exynos 9 Octa 9820
Max. clock 2840 MHz 2730 MHz
CPU cores 8 (1 + 3 + 4) 8 (2 + 2 + 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 1.9 GHz: Cortex-A55
- 2 cores at 2.3 GHz: Cortex-A75
- 2 cores at 2.7 GHz: Mongoose
L3 cache 2 MB 2 MB
Lithography process 7 nanometers 8 nanometers
Graphics Adreno 640 Mali G76 MP12
GPU clock 585 MHz 720 MHz
FLOPS ~899 GFLOPS ~652 GFLOPS
Memory
RAM size 6 GB 8 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage size 128 GB 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)
615
Galaxy S10 +14%
700
Geekbench 5 (Multi-Core)
Mi 9 +16%
2370
2038
AnTuTu Benchmark 9
501693
524023
AnTuTu Benchmark 9 Smartphone Scores (149th and 132nd place)

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 9.5 GB

Battery

Specifications
Capacity 3300 mAh 3400 mAh
Charge power 27 W 15 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging Yes (20 W) Yes, Qi/PMA (9 W)
Reverse charging No Yes, (wireless)
Fast charging Yes, Quick Charge 4 (50% in 30 min) Yes, Samsung Adaptive Fast Charge (50% in 30 min)
Full charging time 1:30 hr 1:35 hr

Battery life tests

Web browsing (Wi-Fi)
10:09 hr
10:10 hr
Watching videos (Player)
Mi 9 +51%
19:02 hr
12:56 hr
Talk (3G)
Mi 9 +10%
23:32 hr
21:19 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 12 megapixels
Image resolution 8000 x 6000 4000 x 3000
Zoom Optical, 2x Optical, 2x
Flash Dual LED Dual LED
Stabilization Digital Optical
8K video recording No No
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 240FPS Up to 240FPS
Slow motion 960 FPS (1080p) 960 FPS (720p)
Angle of widest lens 117° 123°
Lenses 3 (48 MP + 12 MP + 16 MP) 3 (12 MP + 12 MP + 16 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
- 12 MP
- Aperture: f/1.5 - 2.4
- Focal length: 26 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Samsung SAK2L4 (ISOCELL CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
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
- 12 MP
- Aperture: f/1.5
- Focal length: 52 mm
- Pixel size: 1 micron
- Sensor: 1/3.6", Samsung S5K3M3 (ISOCELL CMOS)
- Phase autofocus
- Optical stabilization
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
- 16 MP
- Aperture: f/2.2
- Focal length: 12 mm
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Samples Photo samples of Xiaomi Mi 9 from DxOMark -
Selfie camera
Megapixels 20 megapixels 10 megapixels
Image resolution 5184 x 3880 4320 x 2432
Aperture f/2.0 f/1.9
Focal length 18 mm 26 mm
Pixel size 0.9 microns 1.22 microns
Sensor type CMOS CMOS
Sensor size 1/3" 1/2.65"
Video resolution 1080p (Full HD) at 30 FPS 2160p (4K) at 30 FPS

DxOMark camera tests

Photo quality
112
114
Video quality
Mi 9 +2%
99
Generic camera score
107
109

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6 (802.11 a/b/g/n/ax)
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, LE, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
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 Yes
LTE Cat* 20 20
5G support No No

Sound

Speakers Mono Stereo
Headphone audio jack No Yes
FM radio No No
Dolby Atmos No Yes
Speakers test
Max. loudness
87.1 dB
88 dB

Other

Category Flagship Flagship
Announced February 2019 February 2019
Release date April 2019 March 2019
SAR (head) 1.389 W/kg 0.48 W/kg
SAR (body) 0.99 W/kg 1.59 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Barometer
- 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 Samsung Galaxy S10 is definitely a better buy.

Cast your vote

So, which phone would you choose?
73 (61.9%)
45 (38.1%)
Total votes: 118

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