Oppo Find X6 vs Realme C51

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66

LTE frequency band 1, 3, 5, 8, 38, 40, 41 - Africa, India; 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Asia
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

11.5 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

AMOLED

IPS LCD
Physical size

6.74 inches

6.74 inches
Resolution

1240 x 2772 pixels

720 x 1600 pixels
Pixel density

451 ppi

260 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass Victus 2

Scratch resistant, 2.5D curved glass screen
Display features

120Hz, HDR10+, 1100 nits (HBM), 1450 nits (peak)

90Hz, 560 nits (peak)

Main camera
Camera type

Triple

Dual
Main camera

(wide) , 50 MP, f/1.8 , 24 mm, 1/1.56" , 1.0 µm, 120x digital zoom

(wide) , 50 MP, f/1.8 , 27 mm, 1/2.76" , 0.64 µm
(periscope telephoto) , 50 MP, f/2.6 , 65 mm, 1/1.56" , 1.0 µm, 2.8x optical zoom

(depth) , 0.08 MP, f/3.0
112˚ , (ultrawide) , 50 MP, f/2.0 , 15 mm, 1/2.76" , 0.64 µm
Primary camera resolution

-

8120 x 6180 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10-bit video

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

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

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 32 MP, f/2.4 , 21 mm, 1/2.74" , 0.8 µm

(wide) , 5 MP, f/1.8 , 28 mm, 1/5" , 1.12 µm
Selfie camera resolution

-

3264 x 2448 pixels
Selfie camera features

Face unlock, HDR, autofocus, face detection

Face unlock, face detection
Selfie camera video

1080p@30fps, gyro-EIS

720p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 802.11be

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

Yes

-
WLAN WiFi Direct

Yes

-
WLAN WiFi Dual Band

-

Yes
WiFi Tri-Band

Yes

-
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.3

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
Infrared

Yes

-
NFC

Yes; NFC-SIM, HCE, eSE, eID

Yes
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4800 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 80W (50% in 12 min)

SuperVOOC, 33W (50% in 28 min)