Samsung Galaxy S21 Ultra 5G vs alcatel Smart Tab 7

Samsung Galaxy S21 Ultra 5G

alcatel Smart Tab 7

Network
2G network

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

N/A
3G network

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

N/A
4G network

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

N/A
5G network

5G band SA/NSA/Sub6/mmWave

-
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

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

-
GPRS

Yes

No
EDGE

Yes

No

Design
Build

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

Plastic
SIM

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

No
Height

165.1 mm

176 mm
Width

75.6 mm

126 mm
Thickness

8.9 mm

12 mm
Weight

227 (Sub6) / 229 (mmWave) g

268 g
Payment

Samsung Pay (Visa, MasterCard certified)

-
Waterproof

IP68 (1.5m and 30 mins)

-
Dust proof

IP68

-
Colors

Black, Brown, Silver, Navy, Titanium

Black

Display
Display type

Dynamic AMOLED 2X

TN TFT capacitive touchscreen
Physical size

6.8 inches

7.0 inches
Resolution

1440 x 3200 pixels

1024 x 600 pixels
Pixel density

515 ppi

170 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass Victus

-
Multitouch

-

Yes
Display features

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

-
DxOMark display score

91

-

Main camera
Camera type

Quad

-
Main camera

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

2 MP, f/2.4 , 1/5"
(periscope telephoto) , 10 MP, 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

12000 x 9000 pixels

1920 x 1080 pixels
Primary camera video

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

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

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

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

2 MP, f/2.4 , 1/5" , 1.65 µm
Selfie camera resolution

7968 x 5480 pixels

-
Selfie camera features

Autofocus, HDR, phase detection autofocus

-
Selfie camera video

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, 6E

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

-
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

-
USB

Type-C 3.2

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.2

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

-
BDS

Yes

-