Xiaomi Redmi Note 7 vs Samsung Galaxy S9

Compared 2 smartphones : Xiaomi Redmi Note 7 Manufactured in January, 2019, with display 6.3 with chipsetQualcomm Snapdragon 660, vs Samsung Galaxy S9, Manufactured in March, 2018 with chipsetSamsung Exynos 9 Octa 9810. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi Note 7
  • Larger display: 6.3in
  • Higher battery capacity: 4000mAh vs 3000mAh
  • Infrared port
Reasons to choose Samsung Galaxy S9
  • Higher pixel density: 568ppi
  • Lighter design: 163g vs 186g
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/64 GB
- 4/64 GB
- 4/128 GB
- 4/256 GB

Review

Key Specs Xiaomi Redmi Note 7 and Samsung Galaxy S9
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.3 in 5.8 in
Resolution 1080x2340 pixels 1440x2960 pixels
Aspect ratio 19.5:9 18.5:9
Pixel density 409 ppi 568 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 550 nits 658 nits
HDR support No Yes HDR10
Screen-to-body ratio 81.4 % 84.1 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi Note 7
535 nits
Samsung Galaxy S9
657 nits
sRGB gamut99.3 %n/a
PWM (Flicker)2336 Hz240 Hz
Response time43.2 ms7 ms
Contrast1639:1∞ Infinite

Design & Build

Design and ergonomics comparison
Height 159.2 mm (6.27 in) 147.7 mm (5.81 in)
Width 75.2 mm (2.96 in) 68.7 mm (2.7 in)
Thickness 8.1 mm (0.32 in) 8.5 mm (0.33 in)
Weight 186 g (6.56 oz) 163 g (5.75 oz)
Water resistance No IP68
Back panel Glass Glass
Frame Plastic Metal
Colors - Black
- Blue
- Black
- Gold
- Gray
- Blue
- Purple
Fingerprint sensor Yes rear Yes rear
Screen-to-body ratio
Xiaomi Redmi Note 7
81.4 %
Samsung Galaxy S9
84.1 %

Performance

Testing Xiaomi Redmi Note 7 and Samsung Galaxy S9 In benchmarks
Processor
Chipset Qualcomm Snapdragon 660 Samsung Exynos 9 Octa 9810
Max Frequency 2200 MHz 2900 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/1.84 (Kryo 260 Silver (Cortex-A53))
- 4/2.2 (Kryo 260 Gold (Cortex-A73))
- 4/1.9 (Cortex-A55)
- 4/2.9 (Exynos M3)
Process Samsung Samsung
Transistor Size 14 nm 10 nm
Neural Processor Hexagon 680 Yes
Graphics Adreno 512 Mali-G72 MP18
GPU Cores 128 324
GPU Frequency 850 MHz 572 MHz
FLOPS 217.6 GFLOPS 370.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 7
518
Samsung Galaxy S9
734
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 7
1562
Samsung Galaxy S9
1894
Geekbench 6 (Single-Core)518734
Geekbench 6 (Multi-Core)15621894
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 7
251675
Samsung Galaxy S9
470496
CPU90916137633
GPU38054168155
Memory5526486184
UX6744178524
NanoReview Score251675470496
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 7
373
Samsung Galaxy S9
2272
Max Surface Temp.37.6 °C39.2 °C
Stability96 %93 %
Graphics Test2 fps13 fps
Graphics Score3732272
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 7
6255
Samsung Galaxy S9
6347
Writing score64396325
Web score52585265
Video editing52755496
Data manipulation53545694
NanoReview Score62556347

Memory

RAM
RAM Size - 3 GB
- 4 GB
4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1794 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB
64 GB
Storage TypeeMMC 5.1UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 9 (Upgradeable to Android 10) Android 8.0 (Upgradeable to Android 10)
OS Size 13 GB 14 GB
UI Skin MIUI 12.5 One UI 2.5

Battery

Volume 4000 mAh 3000 mAh
Max Charging Power 18 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No Yes Qi/PMA (10 W)
Reverse Charging No No
Fast Charging Yes Quick Charge 4 (60% in 50 min) Yes (40% in 30 min)
Full Charge Time 1:50 h 1:35 h
Battery Life Test
Battery Life
Xiaomi Redmi Note 7
20:52
Samsung Galaxy S9
15:09
Web Browsing07:45 h05:32 h
Video Playback11:59 h09:42 h
Games04:43 h03:45 h
Standby Mode110 h75 h

Main camera

Matrix 48 MP 12 MP
Photo resolution 8000x6000 pixels 4000x3000 pixels
Zoom Digital Digital
Flash Dual LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 240 fps)
Slow Motion 120 fps (1080p) 960 fps (720p)
Lenses count Standard: 48 MP
Depth: 5 MP
Standard: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix48 MP12 MP
Aperturef/1.8f/1.5 - 2.4
Focal lengthn/a26 mm
SensorSamsung S5KGM1Samsung SAK2L3
Sensor size1/21/2.55
Pixel size0.8 μm1.4 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Main camera DxOMark results
Photo quality
Xiaomi Redmi Note 7
n/a
Samsung Galaxy S9
104
Video quality
Xiaomi Redmi Note 7
n/a
Samsung Galaxy S9
91
Overall camera score
Xiaomi Redmi Note 7
n/a
Samsung Galaxy S9
99

Front camera

Matrix 13 MP 8 MP
Photo resolution 4160x3120 pixels 3264x2448 pixels
Aperture f/2.2 f/1.7
Focal length n/a 25 mm
Sensor Omnivision OV13855 Samsung S5K3H1
Sensor size 1/3.1 1/3.6
Pixel size 1.12 μm 1.22 μm
Autofocus No Phase autofocus (Dual Pixel)
Stabilization No Digital
Video resolution 1080p (Full HD) at 30 fps 1440p at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version 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, 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
- OTG
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
NFC* No Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotYesYes
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsHSDPA 900, HSDPA 2100HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B850/B1800/B2100/B2300/B2500)LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600)
LTE category1318
5G Supportn/aNo

Sound

Speakers Mono Stereo
3.5 mm Jack Yes Yes
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi Note 7
87.6 dB
Samsung Galaxy S9
86 dB

Other

Class Mid-range Flagship
Announced January, 2019 yr February, 2018 yr
Release Date January, 2019 yr March, 2018 yr
Launch Price ($) 190 720
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below