Samsung Galaxy M51 vs Xiaomi Black Shark

Samsung Galaxy M51

Xiaomi Black Shark

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
HSPA speed

-

HSPA
LTE speed

LTE-A, (2CA) Cat6, 400 Mbps download, 50 Mbps upload

-
LTE-A speed

-

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 3), plastic back, plastic frame

Aluminium alloy
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

163.9 mm

161.6 mm
Width

76.3 mm

75.4 mm
Thickness

9.5 mm

9.3 mm
Weight

213 g

190 g
Colors

Black, Blue

Black, Gray

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.2 GHz Kryo 470 Gold

Quad-core 2.8 GHz Kryo 385 Gold
CPU(second)

Hexa-core 1.8 GHz Kryo 470 Silver

quad-core 1.8 GHz Kryo 385 Silver
Chipset

Qualcomm SDM730 Snapdragon 730G

Qualcomm SDM845 Snapdragon 845
GPU

Adreno 618

Adreno 630
Memory RAM

6, 8 GB

6, 8 GB
Internal storage

128 GB

64, 128 GB
Memory card

microSD, microSDHC, microSDXC
Memory card max

512 GB

-
Storage

UFS 2.1

-

Main camera
Camera type

Quad

Dual
Main camera

(wide) , 64 MP, f/1.8 , 26 mm, 1/1.73" , 0.8 µm

12 MP, f/1.8 , 1.25 µm, 2x optical zoom
(ultrawide) , 12 MP, f/2.2 , 123˚ , 1.12 µm

20 MP, f/1.8 , 1 µm
(macro) , 5 MP, f/2.4
(depth) , 5 MP, f/2.4 , 1.12 µm
Primary camera resolution

9280 x 6944 pixels

4000 x 3000 pixels
Primary camera video

4K@30fps, 1080p@30fps

2160p@30fps, 1080p@30fps, 720p@120fps
Primary camera Autofocus

-

dual-pixel phase detection autofocus
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Geo-tagging, HDR, face detection, panorama, touch focus

Selfie camera
Selfie camera

(wide) , 32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm

20 MP, f/2.2 , 1.0 µm
Selfie camera resolution

6560 x 4928 pixels

5120 x 3840 pixels
Selfie camera video

4K@30fps, 1080p@30fps

1080p

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

-
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Email

-

Push Email
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Fingerprint (front-mounted), accelerometer, compass, gyro, proximity