Asus ROG Phone II vs Samsung Galaxy S21 Ultra 5G

Asus ROG Phone II

Samsung Galaxy S21 Ultra 5G

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 28(700), 29(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 46

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71
5G network

-

5G band SA/NSA/Sub6/mmWave
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE-A (CA), 2000 Mbps download, 200 Mbps upload
LTE-A speed

LTE-A, (5CA) Cat18, 1200 Mbps download, 150 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front glass, back glass, aluminum frame

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

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

Single SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)
Height

170.99 mm

165.1 mm
Width

77.6 mm

75.6 mm
Thickness

9.78 mm

8.9 mm
Weight

240 g

227 (Sub6) / 229 (mmWave) g
Payment

-

Samsung Pay (Visa, MasterCard certified)
Waterproof

-

IP68 (1.5m and 30 mins)
Dust proof

-

IP68
Colors

Black

Black, Brown, Silver, Navy, Titanium

Display
Display type

AMOLED capacitive touchscreen

Dynamic AMOLED 2X
Physical size

6.59 inches

6.8 inches
Resolution

1080 x 2340 pixels

1440 x 3200 pixels
Pixel density

391 ppi

515 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6

Scratch resistant, Corning Gorilla Glass Victus
Multitouch

Yes

-
Display features

DCI-P3 108%, HDR10

120Hz, HDR10+, 1500 nits (peak), Infinity-O display, Always-On display
DxOMark display score

-

91

Main camera
Camera type

Dual

Quad
Main camera

48 MP, f/1.79 , 26 mm, 1/2" , 0.8 µm

108 MP, f/1.8 , 26 mm, 1/1.33" , 0.8 µm, (wide)
13 MP

10 MP, (periscope telephoto) , f/4.9 , 1/3.24" , 1.22 µm, 10x optical zoom
(telephoto) , 10 MP, f/2.4 , 70 mm, 1/3.24" , 1.22 µm, 3x optical zoom
(ultrawide) , 12 MP, f/2.2 , 13 mm, 1/2.55" , 1.4 µm
Primary camera resolution

8000 x 6000 pixels

12000 x 9000 pixels
Primary camera video

2160p@30/60fps, 1080p@30/60/240fps, 720p@480fps

8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
Primary camera flash

dual-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, RAW, phase detection

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

97

128
DxOMark zoom

-

76
DxOMark video

92

98
DxOMark camera score

95

121

Selfie camera
Selfie camera

24 MP, f/2.4 , 11 mm

40 MP, f/2.2 , 26 mm, (wide) , 80˚ , 1/2.8" , 0.7 µm
Selfie camera resolution

5632 x 4224 pixels

7968 x 5480 pixels
Selfie camera features

-

Autofocus, HDR, phase detection autofocus
Selfie camera video

1080p@30fps

4K@30/60fps, 1080p@30fps
DxOMark photo

-

105
DxOMark video

-

93
DxOMark camera score

-

100

Connectivity
WLAN

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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 6E
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 3.2
USB connector

Accessory connector

-
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, hall, light, proximity, in-display optical fingerprint sensor

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity