Asus ROG Phone 5 Ultimate vs Realme C51

Asus ROG Phone 5 Ultimate

Realme C51

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 71

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, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79 SA/NSA

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HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (7CA), Cat20, 1400 Mbps download, 150 Mbps upload

LTE-A, 150 Mbps download, 51 Mbps upload
5G speed

4 Gbps download

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GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame

Glass front, plastic frame, plastic back
SIM

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

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

172.8 mm

167.2 mm
Width

77.3 mm

76.7 mm
Thickness

10.3 mm

8 mm
Weight

238 g

186 g
Build features

Pressure sensitive zones (Gaming triggers), touch sensor, ROG Vision monochrome PMOLED display (on the back)

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Colors

White

Black, Green

Display
Display type

AMOLED

IPS LCD
Physical size

6.78 inches

6.74 inches
Resolution

1080 x 2448 pixels

720 x 1600 pixels
Pixel density

395 ppi

260 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, Corning Gorilla Glass Victus, Oleophobic coating

Scratch resistant, 2.5D curved glass screen
Display features

144Hz, HDR10+, 800 nits (typ), 1200 nits (peak)

90Hz, 560 nits (peak)

Main camera
Camera type

Triple

Dual
Main camera

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

(wide) , 50 MP, f/1.8 , 27 mm, 1/2.76" , 0.64 µm
(ultrawide) , 13 MP, f/2.4 , 125˚ , 11 mm

(depth) , 0.08 MP, f/3.0
(macro) , 5 MP, f/2.0
Primary camera resolution

9280 x 6920 pixels

8120 x 6180 pixels
Primary camera video

8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital 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, phase detection autofocus, RAW, Pro Video mode

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) , 27 MP, f/2.5 , 0.9 µm

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

5632 x 4224 pixels

3264 x 2448 pixels
Selfie camera features

Face unlock, HDR, panorama

Face unlock, face detection
Selfie camera video

1080p@30fps

720p@30fps

Connectivity
WLAN

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

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

Yes
USB

USB Type-C 3.1 (side), USB Type-C 2.0 (bottom)

Type-C 2.0
USB connector

Accessory connector

-
USB On-The-Go

Yes

-
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive

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NFC

Yes

Yes
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

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QZSS

Yes

-
GNSS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

6000 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 5.0 (70% in 30 min, 100% in 52 min)

SuperVOOC, 33W (50% in 28 min)
Reverse charging

Yes

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Asus ROG Phone 5 Ultimate comparisons