OnePlus 11 vs Samsung Galaxy S21 Ultra 5G

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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, 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 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA

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

42.2 Mbps

42.2 Mbps
HSUPA speed

11.5 Mbps

5.76 Mbps
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE-A (4CA), Cat18, 1200 Mbps download, 221 Mbps upload

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

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, glass back

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

Single SIM (Nano-SIM) or 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

163.1 mm

165.1 mm
Width

74.1 mm

75.6 mm
Thickness

8.5 mm

8.9 mm
Weight

205 g

227 (Sub6) / 229 (mmWave) g
Payment

-

Samsung Pay (Visa, MasterCard certified)
Waterproof

-

IP68 (1.5m and 30 mins)
Dust proof

-

IP68
Colors

Black, Green

Black, Brown, Silver, Navy, Titanium

Display
Display type

LTPO3 AMOLED

Dynamic AMOLED 2X
Physical size

6.7 inches

6.8 inches
Resolution

1440 x 3216 pixels

1440 x 3200 pixels
Pixel density

525 ppi

515 ppi
Display colors

16777216

16777216
Protection

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

Scratch resistant, Corning Gorilla Glass Victus
Display features

Always-on display, 120Hz, Dolby Vision, HDR10+, 500 nits (typ), 800 nits (HBM), 1300 nits (peak)

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

-

91

OS
OS

Android 13, OxygenOS 13 (global), ColorOS 13 (China)

Android 11, One UI 3.1

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 50 MP, f/1.8 , 84˚ , 24 mm, 1/1.56" , 1.0 µm

(wide) , 108 MP, f/1.8 , 26 mm, 1/1.33" , 0.8 µm
(telephoto) , 32 MP, f/2.0 , 115˚ , 48 mm, 1/1.56" , 0.8 µm, 2x optical zoom

(periscope telephoto) , 10 MP, f/4.9 , 1/3.24" , 1.22 µm, 10x optical zoom
115˚ , (ultrawide) , 48 MP, f/2.2 , 0.8 µm

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

8190 x 6120 pixels

12000 x 9000 pixels
Primary camera video

8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS

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, macro-mode, phase detection autofocus, contrast detection autofocus, laser autofocus

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

-

128
DxOMark zoom

-

76
DxOMark video

-

98
DxOMark camera score

-

121

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 16 MP, f/2.4 , 82˚ , 25 mm, 1.0 µm

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

4608 x 3456 pixels

7968 x 5480 pixels
Selfie camera features

Face unlock, HDR, face detection, digital image stabilization

Autofocus, HDR, phase detection autofocus
Selfie camera video

1080p@30fps, gyro-EIS

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, 802.11ax

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

-

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 3.2
USB On-The-Go

Yes

Yes
Bluetooth

v5.3

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes, eSE, HCE

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-

Features
Sensors

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

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity