Samsung Galaxy S20 Ultra 5G vs Samsung Galaxy A51 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.9 inches

6.5 inches

Resolution:

3200 x 1440 pixels, 20:9 ratio, 509 PPI

2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

Dynamic AMOLED

Super AMOLED

Refresh rate:

120Hz (@1080p)

60Hz

Screen-to-body:

90.70 %

87.37 %

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 865 SM8250 (7 nm)

Samsung Exynos 9611 (10 nm)

Processor:

Octa-core, 2840 MHz, Kryo 585, 64-bit

Octa-core, 2300 MHz, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit

GPU:

Adreno 650

Mali-G72 MP3

RAM:

12GB LPDDR5

4GB LPDDR4

Internal storage:

128GB (UFS 3.0), available to use: 103.8 GB

128GB, available to use: 105.9 GB

Storage expansion:

microSDXC up to 1000 GB

microSDXC up to 512 GB

Device type:

Smartphone

OS:

Android (13, 12, 11, 10), Samsung One UI

Android (11, 10), Samsung One UI

Battery

Capacity:

5000 mAh

4000 mAh

Type:

Li - Polymer, Not user replaceable

Battery life test results:

link

Charging:

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Fast charging

Max charge speed:

Wired: 45.0W; Wireless: 15.0W

Camera

Rear:

Quad camera

Main camera:

108 MP (OIS, PDAF)

48 MP (PDAF)

Specifications:

F1.8; 26 mm

F2.0; 26 mm; 1/2"; 0.8 μm

Second camera:

48 MP (Telephoto, OIS, PDAF)

12 MP (Ultra-wide)

Specifications:

Aperture size: F3.5; Focal Length: 102 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

12 MP (Ultra-wide, Autofocus)

5 MP (Macro)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.4 μm

Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

0.3 MP VGA (ToF 3D depth sensing)

5 MP (Depth information)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Flash:

LED

Video recording:

7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

OIS, HDR, Time-lapse video, EIS

Hyperlapse, EIS

Front:

40 MP (PDAF, HDR)

32 MP (HDR)

Video capture:

3840x2160 (4K UHD) (60 fps)

1920x1080 (Full HD)

Design

Dimensions:

6.57 x 2.99 x 0.35 inches (166.9 x 76 x 8.8 mm)

6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight:

7.83 oz (222.0 g)

6.07 oz (172.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum

Back: Plastic; Frame: Plastic

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint

2D Face unlock, In-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Cosmic black, Cosmic grey

Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

5G:

n2, n5, n41, n66, n71, n260, n261, SA, NSA, Sub-6, mmWave

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)