Realme 9i 5G vs Samsung Galaxy M51

Realme 9i 5G

Samsung Galaxy M51

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 19, 20, 28, 34, 38, 39, 40, 41

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

5G band 1, 5, 7, 8, 28, 41, 77, 78 SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

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

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, glass

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

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

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

164.4 mm

163.9 mm
Width

75.1 mm

76.3 mm
Thickness

8.1 mm

9.5 mm
Weight

187 g

213 g
Colors

Black, Blue, Gold

Black, Blue

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 50 MP, f/1.8 , 77˚ , 26 mm, 1/2.76" , 0.64 µm, 10x digital zoom

(wide) , 64 MP, f/1.8 , 26 mm, 1/1.73" , 0.8 µm
(depth) , 2 MP, f/2.4 , 46 mm

(ultrawide) , 12 MP, f/2.2 , 123˚ , 1.12 µm
(macro) , 2 MP, f/2.4

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

8190 x 6144 pixels

9280 x 6944 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, 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

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

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 8 MP, f/2.0 , 27 mm

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

3264 x 2448 pixels

6560 x 4928 pixels
Selfie camera video

1080p@30fps

4K@30fps, 1080p@30fps

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, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes