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Global Score
11.6510.18
Basic Information
SamsungSamsung
Android 11, 10Android 11, 10
2020-03-062019-12-27
6.57 x 2.99 x 0.35 inches6.24 x 2.90 x 0.31 inches
7.83 ounces6.07 ounces
Cosmic black and Cosmic greyPrism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white
Aluminum and Glass (Corning Gorilla Glass 6)Plastic and Plastic
Scratch-Resistant GlassScratch-Resistant Glass
$ 1157.00$ 282.00
Display / Screen
6.9 inches6.5 inches
3200 x 1440 pixels 2400 x 1080 pixels
Dynamic AMOLED Super AMOLED
509 pixels per inch405 pixels per inch
No touch screenNo touch screen
8.78.1
Performance
Qualcomm Snapdragon 865 SM8250 chipsetSamsung Exynos 9611 chipset
Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processorARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor
12 GB RAM4 GB RAM
Adreno 650 GPUMali-G72 MP3 GPU
9.729.27
Storage
128 GB internal memory128 GB internal memory
microSDXC (up to 1000 GB) external memory slotmicroSDXC (up to 512 GB) external memory slot
15.3814.14
Camera
108.00 MP + 40.00 MP48.00 MP + 32.00 MP
f/1.80 aperturef/2.00 aperture
26.00mm focal length26.00mm focal length
0.5 inches (1/2") sensor0.5 inches (1/2") sensor
7680 x 4320 (24 fps) video resolution3840 x 2160 (30 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video1280 x 720 (240 fps) (HD) slow motion video
13.4211.55
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIMNano SIM, Dual SIM
10.76.7
Battery Life
5000mAh Li - Polymer Battery4000mAh Li - Polymer Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.884.64
Other Features
Bluetooth 5.0 Bluetooth 5.0
GPSGPS
NFCNFC
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM RadioFM Radio

Comparison review

Samsung Galaxy S20 Ultra 5G has a score of 11.65, which is better than Galaxy A51's 10.18 overall score. Both of these devices use the same Android 11 OS. Samsung Galaxy S20 Ultra 5G is a way heavier and somewhat thicker phone than Galaxy A51. Galaxy S20 Ultra 5G counts with a bit more vivid screen than Samsung Galaxy A51, because it has a better 1440 x 3200px resolution, a greater pixels density and a little larger display.

The Samsung Galaxy S20 Ultra 5G counts with just a bit better performance than Samsung Galaxy A51, and although they both have 8 cores, the Samsung Galaxy S20 Ultra 5G also has a greater amount of RAM memory. Samsung Galaxy S20 Ultra 5G features a better camera than Galaxy A51, and although they both have the same back camera sensor size, the Samsung Galaxy S20 Ultra 5G also has a camera in the back with much more megapixels, a much higher 7680x4320 video quality and a bigger aperture.

The Samsung Galaxy S20 Ultra 5G has slightly more memory capacity to store more apps and games than Galaxy A51, and although they both have equal 128 GB internal memory, the Samsung Galaxy S20 Ultra 5G also has a slot for an SD memory card that allows a maximum of 1000 GB. The Galaxy S20 Ultra 5G counts with just a little better battery performance than Samsung Galaxy A51, because it has a 5000mAh battery capacity against 4000mAh.

Although Samsung Galaxy S20 Ultra 5G is a better device, it costs a lot more than the Galaxy A51, and it doesn't have such a good quality/price relation as Galaxy A51. So if you want that extra features, you can buy the Samsung Galaxy S20 Ultra 5G, otherwise you can save a couple dollars and get the Galaxy A51, resigning some specs and features.