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Global Score
85.581.1
Basic Information
SamsungXiaomi
Android 11, 10Android 10
2019-12-272020-05-05
6.24 x 2.90 x 0.31 inches6.53 x 3.02 x 0.35 inches
6.07 ounces7.37 ounces
Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush whiteGlacier white, Interstellar gray and Tropical green
Plastic and Plastic Glass (Corning Gorilla Glass 5) and Plastic
Scratch-Resistant GlassScratch-Resistant Glass
$ 282.00$ 291.00
Display / Screen
6.5 inches6.7 inches
2400 x 1080 pixels 2400 x 1080 pixels
Super AMOLED IPS LCD
405 pixels per inch393 pixels per inch
No touch screenNo touch screen
8.18
Performance
Samsung Exynos 9611 chipsetQualcomm Snapdragon 720G SM7125 chipset
ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processorKryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor
4 GB RAM6 GB RAM
Mali-G72 MP3 GPUAdreno 618 GPU
9.279.36
Storage
128 GB internal memory64 GB internal memory
microSDXC (up to 512 GB) external memory slotmicroSDXC (up to 512 GB) external memory slot
14.1411.74
Camera
48.00 MP + 32.00 MP64.00 MP + 16.00 MP
f/2.00 aperturef/1.90 aperture
26.00mm focal length26.00mm focal length
0.5 inches (1/2") sensor0.59 inches (1/1.7") sensor
3840 x 2160 (30 fps) (4K) video resolution3840 x 2160 (30 fps) (4K) video resolution
1280 x 720 (240 fps) (HD) slow motion video1280 x 720 (960 fps) (HD) slow motion video
11.5512.1
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIM, Dual SIMNano SIM, Dual SIM
6.76.7
Battery Life
4000mAh Li - Polymer Battery5020mAh Li - Polymer Battery
Non-Removable BatteryNon-Removable Battery
5.926.8
Other Features
Bluetooth 5.0 Bluetooth 5.0
GPSGPS
NFCNFC
--Infra-red port
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

The Samsung Galaxy A51 is slightly better than Xiaomi Redmi Note 9 Pro, getting an 85.5 score against 81.1. Both devices in this comparison come with Android OS (operating system), but the Samsung Galaxy A51 has the newer 11 version while Xiaomi Redmi Note 9 Pro has Android 10 version, so it offers a couple nice extra features and performance optimizations. The Samsung Galaxy A51 design is somewhat thinner and somewhat lighter than Xiaomi Redmi Note 9 Pro, even when both of them were released with only 4 months difference.

Galaxy A51 has just a bit better display than Xiaomi Redmi Note 9 Pro, because although it has a bit smaller screen, and they both have the same exact 1080 x 2400 resolution, the Galaxy A51 also counts with a bit greater pixel count per display inch. Xiaomi Redmi Note 9 Pro has a little bit better hardware performance than Samsung Galaxy A51, and although they both have a Octa-Core processing unit, the Xiaomi Redmi Note 9 Pro also has a higher amount of RAM memory.

The Samsung Galaxy A51 has a lot bigger memory capacity to store more apps and games than Xiaomi Redmi Note 9 Pro, and although they both have a SD extension slot that supports a maximum of 512 GB, the Samsung Galaxy A51 also has 128 GB internal memory. Xiaomi Redmi Note 9 Pro has longer battery performance than Samsung Galaxy A51, because it has 5020mAh of battery capacity against 4000mAh.

Xiaomi Redmi Note 9 Pro features just a bit better camera than Galaxy A51, and although they both have the same 3840x2160 video quality and the same video frame rates, the Xiaomi Redmi Note 9 Pro also has a back-facing camera with a much better resolution, a bigger sensor taking better quality videos and photographs and a bigger aperture to take better photography and video in poorly lited environments.

Galaxy A51 is not only the best phones between the ones we are comparing here, but it's also cheaper than the Xiaomi Redmi Note 9 Pro, which makes this phone an easy choice.




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