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Xiaomi Redmi Note 11S vs Samsung Galaxy A51

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Xiaomi Redmi Note 11S vs Samsung Galaxy A51

62 out of 100
Xiaomi Redmi Note 11S
VS
52 out of 100
Samsung Galaxy A51
Xiaomi Redmi Note 11S
Samsung Galaxy A51

Here we compared two mid-range smartphones: the 6.43-inch Xiaomi Redmi Note 11S (with MediaTek Helio G96) that was released on January 26, 2022, against the Samsung Galaxy A51, which is powered by Exynos 9 Octa 9611 and came out 26 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi Note 11S
  • Water-resistant body (IP53 classification)
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • Higher display refresh rate – 90 Hz
  • 55% better performance in AnTuTu Benchmark (382K versus 246K)
  • Shows 20% longer battery life (31:47 vs 26:33 hours)
  • Stereo speakers
  • Delivers 17% higher peak brightness (747 against 638 nits)
  • Supports higher wattage charging (33W versus 15W)
  • The phone is 2-years and 2-months newer
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy A51
  • Ability to record video in 4K resolution
  • More energy-efficient CPU – Exynos 9 Octa 9611
  • Supports Dolby Atmos sound technology
  • The front-facing camera can record video at 4K

Review

Evaluation of Xiaomi Redmi Note 11S and Samsung Galaxy A51 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
NanoReview Score
Final comparison evaluation

Value for money

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Redmi Note 11S
vs
Galaxy A51

Display

Type AMOLED Super AMOLED
Size 6.43 inches 6.5 inches
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 409 ppi 405 ppi
Refresh rate 90 Hz 60 Hz
Adaptive refresh rate No No
Max rated brightness 700 nits 400 nits
HDR support No No
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Screen-to-body ratio 84.5% 87.4%
Display features - DCI-P3
- Always-On Display 		- Always-On Display
Display tests
RGB color space 99.4% 98.8%
PWM 401 Hz 242 Hz
Response time 2 ms 25 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
Redmi Note 11S +17%
747 nits
Galaxy A51
638 nits

Design and build

Height 159.87 mm (6.29 inches) 158.5 mm (6.24 inches)
Width 73.87 mm (2.91 inches) 73.6 mm (2.9 inches)
Thickness 8.09 mm (0.32 inches) 7.9 mm (0.31 inches)
Weight 179 g (6.31 oz) 172 g (6.07 oz)
Waterproof IP53 No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Gray, Blue White, Black
Fingerprint scanner Yes, in-button Yes, in-display
Screen-to-body ratio

Performance

Tests of Xiaomi Redmi Note 11S and Samsung Galaxy A51 in the benchmarks
SoC
Chipset MediaTek Helio G96 Samsung Exynos 9 Octa 9611
Max clock 2050 MHz 2300 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 2 GHz: Cortex-A55
- 2 cores at 2.05 GHz: Cortex-A76 		- 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73
Lithography process 12 nanometers 10 nanometers
Graphics Mali-G57 MP2 Mali-G72 MP3
GPU shading units 128 54
GPU clock 950 MHz 850 MHz
FLOPS ~243 GFLOPS ~91.8 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
CPU 124075 69792
GPU 70878 55670
Memory 86744 60677
UX 100139 59872
Total score 382204 246594
3DMark Wild Life Performance
Max surface temperature 39.5 °C 42.2 °C
Stability 99% 95%
Graphics test 7 FPS 4 FPS
Graphics score 1171 812
PCMark 3.0
Web score 6402 -
Video editing 5188 -
Photo editing 16947 -
Data manipulation 7181 -
Writing score 9394 -

Memory

RAM
RAM size 6, 8 GB 4, 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 64, 128 GB
Storage type UFS 2.2 UFS 2.0
Memory card MicroSD MicroSD
Memory card max size Up to 1024 GB Up to 512 GB

Software

Operating system Android 11 (Can be upgraded to Android 13) Android 10 (Can be upgraded to Android 13)
ROM MIUI 14 One UI 5.0
OS size 22 GB 23 GB

Battery

Capacity 5000 mAh 4000 mAh
Max charge power 33 W 15 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (59% in 30 min) Yes (40% in 35 min)
Full charging time 1:02 hr 1:50 hr
Battery life tests
Web browsing 10:27 hr 09:34 hr
Watching video 14:18 hr 11:29 hr
Gaming 06:11 hr 05:12 hr
Standby 106 hr 83 hr
General battery life
Redmi Note 11S +20%
31:47 hr
Galaxy A51
26:33 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 108 megapixels 48 megapixels
Image resolution 12032 x 9024 8000 x 6000
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording No Up to 30FPS
1080p video recording Up to 30FPS Up to 30FPS
Slow motion - 960 FPS (720p)
Angle of widest lens 118° 120°
Lenses 4 (108 MP + 8 MP + 2 MP + 2 MP) 4 (48 MP + 12 MP + 5 MP + 5 MP)
Wide (main) lens - 108 MP
- Aperture: f/1.9
- Focal length: 26 mm
- Pixel size: 0.7 micron
- Sensor: 1/1.52", Samsung S5KHM2 (ISOCELL Plus CMOS)
- Phase autofocus (Dual Pixel)
- 48 MP
- Aperture: f/2.0
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX582 (Exmor-RS CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Pixel size: 1.14 micron
- Sensor: 1/4", Sony IMX355 (Exmor-RS CMOS)
- 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
Macro lens - 2 MP
- Aperture: f/2.8
- Pixel size: 1.75 micron
- Sensor: 1/2.8", GalaxyCore GC02M1 (CMOS)
- 5 MP
- Aperture: f/2.4
- Focal length: 40 mm
- Pixel size: 1.12 micron
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", Omnivision OV02B1B (CMOS)
- 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
Camera features - Bokeh mode
- Pro mode 		- Bokeh mode
- Pro mode
Selfie camera
Megapixels 16 megapixels 32 megapixels
Image resolution 4920 x 3264 6560 x 4928
Aperture f/2.4 f/2.2
Focal length - 26 mm
Pixel size 1 microns 0.8 microns
Sensor type CMOS ISOCELL CMOS
Sensor size 1/3.06" 1/2.8"
Video resolution 1080p (Full HD) at 30 FPS 2160p (4K) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 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
- Wi-Fi Display
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
- OTG 		- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC * Depends on the region 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 * 13 12
5G support No No

Sound

Speakers Stereo Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No Yes
Speakers test
Max loudness
Redmi Note 11S +5%
85.5 dB
Galaxy A51
81.7 dB

Other

Category Mid-range Mid-range
Announced January 2022 December 2019
Release date January 2022 December 2019
SAR (head) - 0.596 W/kg
SAR (body) - 1.45 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint 		- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 33 W -
* 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 Redmi Note 11S is definitely a better buy.

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