Home Phone comparison Xiaomi Redmi 9T and Samsung Galaxy A51 - Which is better?

Xiaomi Redmi 9T vs Samsung Galaxy A51

46 out 100
Xiaomi Redmi 9T
VS
41 out 100
Samsung Galaxy A51
Xiaomi Redmi 9T
Samsung Galaxy A51

Compared 2 smartphones : Xiaomi Redmi 9T Manufactured in January, 2021, with display 6.53 with chipsetQualcomm Snapdragon 662, vs Samsung Galaxy A51, Manufactured in December, 2019with chipsetSamsung Exynos 9 Octa 9611. 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 Xiaomi Redmi 9T
  • Larger display: 6.53in
  • Higher battery capacity: 6000mAh vs 4000mAh
  • Infrared port
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 198g
  • Supports Dolby Atmos

Versions

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

Review

Key Specs Xiaomi Redmi 9T and Samsung Galaxy A51
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.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Redmi 9T
vs
Samsung Galaxy A51

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.53 in 6.5 in
Resolution 1080x2340 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 395 ppi 405 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 400 nits 400 nits
HDR support No No
Screen-to-body ratio 83.4 % 87.5 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi 9T
436 nits
Samsung Galaxy A51
631 nits
sRGB gamut96.4 %98.8 %
PWM (Flicker)880 Hz242 Hz
Response time42 ms25 ms
Contrast1868:1∞ Infinite
Sources: NotebookCheck [Xiaomi Redmi 9T], [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 162.3 mm (6.39 in) 158.5 mm (6.24 in)
Width 77.3 mm (3.04 in) 73.6 mm (2.9 in)
Thickness 9.6 mm (0.38 in) 7.9 mm (0.31 in)
Weight 198 g (6.98 oz) 172 g (6.07 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Gray
- Blue
- Green
- Orange		 - White
- Black
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Xiaomi Redmi 9T
83.4 %
Samsung Galaxy A51
87.5 %

Performance

Testing Xiaomi Redmi 9T and Samsung Galaxy A51 In benchmarks
Processor
Chipset Qualcomm Snapdragon 662 Samsung Exynos 9 Octa 9611
Max Frequency 2000 MHz 2300 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Kryo 260 Silver (Cortex-A53))
- 4/2 (Kryo 260 Gold (Cortex-A73))		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 11 nm 10 nm
Neural Processor Hexagon 683 Yes
Graphics Adreno 610 Mali-G72 MP3
GPU Cores 128 54
GPU Frequency 950 MHz 850 MHz
FLOPS 243.2 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 9T
511
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
Xiaomi Redmi 9T
1551
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)511512
Geekbench 6 (Multi-Core)15511556
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 9T
247218
Samsung Galaxy A51
268760
CPU8938683857
GPU3491845166
Memory6089463828
UX6157075909
NanoReview Score247218268760
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi 9T
373
Samsung Galaxy A51
812
Max Surface Temp.45.3 °C42.2 °C
Stability99 %95 %
Graphics Test2 fps4 fps
Graphics Score373812
Sources: 3DMark [Xiaomi Redmi 9T], [Samsung Galaxy A51]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi 9T
6197
Samsung Galaxy A51
n/a
Writing score6932n/a
Web score5529n/a
Video editing3683n/a
Data manipulation5170n/a
NanoReview Score6197n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB		 - 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1800 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		- 64 GB
- 128 GB
Storage TypeUFS 2.2UFS 2.0
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 12) Android 10 (Upgradeable to Android 13)
OS Size 21 GB 23 GB
UI Skin MIUI 14 One UI 5.1

Battery

Volume 6000 mAh 4000 mAh
Max Charging Power 18 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (25% in 30 min) Yes (40% in 35 min)
Full Charge Time 2:30 h 1:50 h
Battery Life Test
Battery Life
Xiaomi Redmi 9T
31:10
Samsung Galaxy A51
17:53
Web Browsing11:57 h07:15 h
Video Playback15:26 h11:25 h
Games06:05 h04:49 h
Standby Mode175 h81 h

Main camera

Matrix 48 MP 48 MP
Photo resolution 8000x6000 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (720p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP48 MP
Aperturef/1.8f/2.0
Focal length26 mm26 mm
SensorSamsung S5KGM1Sony IMX582
Sensor size1/21/2
Pixel size8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
SensorOmniVision OV8856n/a
Sensor size1/4.0n/a
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 8 MP 32 MP
Photo resolution 3264x2448 pixels 6560x4928 pixels
Aperture f/2.0 f/2.2
Focal length 27 mm 26 mm
Sensor CMOS Samsung S5KGD1
Sensor size 1/4.0 1/2.8
Pixel size n/a 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) 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 - 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, HID, 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* Varies by region Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2/3/5/8GSM 850 / 900 / 1800 / 2100 / 2600
3G BandsWCDMA B1/2/4/5/8UMTS 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B850/B900/B1800/B2100/B2600)
LTE category1312
5G SupportNoNo

Sound

Speakers Stereo Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi 9T
84.6 dB
Samsung Galaxy A51
81.7 dB

Other

Class Budget Mid-range
Announced January, 2021 yr December, 2019 yr
Release Date January, 2021 yr December, 2019 yr
Launch Price ($) 180 399
Sensors - Proximity Sensor
- 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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