Samsung Galaxy S20 Ultra 5G vs Samsung Galaxy A51

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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

Screen-to-body

90.70 %
87.37 %

Features

120Hz refresh rate (@1080p), HDR video 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 & Performance

System chip

Qualcomm Snapdragon 865 SM8250
Samsung Exynos 9611

Processor

Octa-core, 2840 MHz, Kryo 585, 64-bit, 7 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU

Adreno 650
Mali-G72 MP3

RAM

12GB
4GB

Internal storage

128GB
128GB

Storage expansion

microSDXC up to 1000 GB
microSDXC up to 512 GB

OS

Android (10), Samsung One UI
Android (10), Samsung One UI

Battery

Capacity

5000 mAh
4000 mAh

Type

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Charging

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

Camera

Rear

Quad camera
Quad camera

Main camera

108 MP
48 MP

Features

OIS, PDAF
PDAF

Second camera

48 MP
12 MP

Features

Telephoto, OIS, PDAF
Ultra-wide

Third camera

12 MP
5 MP

Features

Ultra-wide, Autofocus
Macro

Fourth camera

0.3 MP VGA
5 MP

Features

ToF
Depth information

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
32 MP

Features

PDAF, HDR
HDR

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 g)
the average is 6.2 oz (179 g)
6.07 oz (172 g)
the average is 6.2 oz (179 g)

Materials

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

Resistance

Water, Dust; IP 68
 

Biometrics

2D Face unlock, Ultrasonic in-screen fingerprint
2D Face unlock, In-screen fingerprint

Colors

Cosmic black, Cosmic grey
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

5G

n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6, mmWave
 

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

LTE (TDD)

Bands 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed

LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

No 3.5mm jack
3.5mm jack

Features

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Dolby Atmos

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, ax, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0

Features

Charging, Headphones port, OTG
Charging, OTG

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other

NFC, ANT+
NFC, ANT+

Shopping information

MSRP

$ 1400
 
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