Home Phone comparison Samsung Galaxy A51 and Xiaomi Redmi Note 8 Pro - Which is better?

Samsung Galaxy A51 vs Xiaomi Redmi Note 8 Pro

41 out 100
Samsung Galaxy A51
VS
43 out 100
Xiaomi Redmi Note 8 Pro
Samsung Galaxy A51
Xiaomi Redmi Note 8 Pro

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs Xiaomi Redmi Note 8 Pro, Manufactured in October, 2019 with chipsetMediaTek Helio G90T. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 200g
  • Supports Dolby Atmos
Reasons to choose Xiaomi Redmi Note 8 Pro
  • Larger display: 6.53in
  • Higher battery capacity: 4500mAh vs 4000mAh
  • Infrared port

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB		 - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy A51 and Xiaomi Redmi Note 8 Pro
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
Smartphones:
Samsung Galaxy A51
vs
Redmi Note 8 Pro

Display

Display quality comparison
Type Super AMOLED IPS LCD
Size 6.5 in 6.53 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 405 ppi 395 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 400 nits 640 nits
HDR support No Yes HDR10
Screen-to-body ratio 87.5 % 84.9 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Samsung Galaxy A51
631 nits
Xiaomi Redmi Note 8 Pro
637 nits
sRGB gamut98.8 %n/a
PWM (Flicker)242 Hzn/a
Response time25 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 158.5 mm (6.24 in) 161.4 mm (6.35 in)
Width 73.6 mm (2.9 in) 76.4 mm (3.01 in)
Thickness 7.9 mm (0.31 in) 8.8 mm (0.35 in)
Weight 172 g (6.07 oz) 200 g (7.05 oz)
Water resistance No IP52
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Plastic
Colors - White
- Black		 - White
- Gray
- Blue
- Green
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Samsung Galaxy A51
87.5 %
Xiaomi Redmi Note 8 Pro
84.9 %

Performance

Testing Samsung Galaxy A51 and Xiaomi Redmi Note 8 Pro In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9611 MediaTek Helio G90T
Max Frequency 2300 MHz 2050 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 - 6/2 (Cortex-A55)
- 2/2.05 (Cortex-A76)
Process Samsung TSMC
Transistor Size 10 nm 12 nm
Neural Processor Yes MediaTek APU 2.0
Graphics Mali-G72 MP3 Mali-G76 MP4
GPU Cores 54 144
GPU Frequency 850 MHz 800 MHz
FLOPS 113.8 GFLOPS 230.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A51
512
Xiaomi Redmi Note 8 Pro
602
Geekbench 6 (Multi-Core)
Samsung Galaxy A51
1556
Xiaomi Redmi Note 8 Pro
1684
Geekbench 6 (Single-Core)512602
Geekbench 6 (Multi-Core)15561684
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51
268760
Xiaomi Redmi Note 8 Pro
368990
CPU83857120779
GPU4516678652
Memory6382872733
UX7590996826
NanoReview Score268760368990
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A51
812
Xiaomi Redmi Note 8 Pro
1321
Max Surface Temp.42.2 °Cn/a
Stability95 %87 %
Graphics Test4 fps7 fps
Graphics Score8121321
Sources: 3DMark [Samsung Galaxy A51], [Xiaomi Redmi Note 8 Pro]
PCMark 3.0
PCMark 3.0
Samsung Galaxy A51
n/a
Xiaomi Redmi Note 8 Pro
8104
Writing scoren/a8202
Web scoren/a6022
Video editingn/a5662
Data manipulationn/a7000
NanoReview Scoren/a8104

Memory

RAM
RAM Size - 4 GB
- 6 GB		 - 4 GB
- 6 GB
- 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		- 64 GB
- 128 GB
- 256 GB
Storage TypeUFS 2.0UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 13) Android 9.0 (Upgradeable to Android 11)
OS Size 23 GB 10.3 GB
UI Skin One UI 5.1 MIUI 12.5

Battery

Volume 4000 mAh 4500 mAh
Max Charging Power 15 W 18 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (40% in 35 min) Yes (30% in 30 min)
Full Charge Time 1:50 h 2:00 h
Battery Life Test
Battery Life
Samsung Galaxy A51
17:53
Xiaomi Redmi Note 8 Pro
21:15
Web Browsing07:15 h07:29 h
Video Playback11:25 h12:01 h
Games04:49 h05:02 h
Standby Mode81 h115 h

Main camera

Matrix 48 MP 64 MP
Photo resolution 8000x6000 pixels 9000x7000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP64 MP
Aperturef/2.0f/1.9
Focal length26 mm26 mm
SensorSony IMX582Samsung S5KGW1
Sensor size1/21/1.7
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix12 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
Sensor sizen/a1/4
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy A51
n/a
Xiaomi Redmi Note 8 Pro
87
Video quality
Samsung Galaxy A51
n/a
Xiaomi Redmi Note 8 Pro
78
Overall camera score
Samsung Galaxy A51
n/a
Xiaomi Redmi Note 8 Pro
84
Sources: DxOMark [Xiaomi Redmi Note 8 Pro]

Front camera

Matrix 32 MP 20 MP
Photo resolution 6560x4928 pixels 5184x3880 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm n/a
Sensor Samsung S5KGD1 Samsung S5K3T1
Sensor size 1/2.8 1/3.1
Pixel size 0.8 μm 0.9 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 1080p (Full HD) 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
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE, HID, 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
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoYes
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsUMTS 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B850/B900/B1800/B2100/B2600)LTE (B1/B3/B5/B7/B8/B40/B41)
LTE category1212
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy A51
81.7 dB
Xiaomi Redmi Note 8 Pro
82.2 dB

Other

Class Mid-range Mid-range
Announced December, 2019 yr August, 2019 yr
Release Date December, 2019 yr October, 2019 yr
Launch Price ($) 399 220
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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