Features Key features of the Galaxy S8  vs U Ultra 

screen size

Galaxy S8
5.8"
U Ultra
5.7"

screen resolution

Galaxy S8
2960 x 1440
U Ultra
1040 x 160

memory

Galaxy S8
4 GB
U Ultra
4 GB

camera resolution

Galaxy S8
12 MP
U Ultra
12 MP

Differences What are the advantages of each

View of Samsung Galaxy S8

Reasons to consider the
Samsung Galaxy S8

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Much higher resolution 2960 x 1440 vs 1040 x 160 More than 25.5x higher resolution
Much sharper screen 567 ppi vs 184 ppi More than 3x sharper PPI; enjoy photo-realistic, crisp images
Screen uses OLED technology Yes vs No About half of smartphones are OLED; OLED screens are typically higher contrast and use less power
Lighter 152 g vs 170 g More than 10% lighter
Faster processor 2.35 GHz vs 2.15 GHz Around 10% faster processor; run computation-intensive applications, such as photo editing, faster
View of HTC U Ultra

Reasons to consider the
HTC U Ultra

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PhoneRocket is not aware of any important advantages of the HTC U Ultra vs the Samsung Galaxy S8.

Reviews Word on the street

Specifications Full list of technical specs

screen

Galaxy S8  vs
U Ultra 
Type AMOLED Super IPS LCD2
Size 5.8" 5.7"
Resolution 2960 x 1440 1040 x 160
Multitouch N/A N/A
PPI 567 ppi 184 ppi

hardware

Clock speed 2.35 GHz 2.15 GHz
RAM 4 GB 4 GB
Internal storage 64 GB 64 GB
Supported card formats
SDXC
SDHC
SD

photo & video

Camera 12 MP 12 MP
Resolution 12 MP 12 MP
Flash Yes Yes
Secondary camera 8 MP 16 MP
Video resolution 3840 x 2160 @ 30 fps 3840 x 2160 @ 30 fps

connectivity

Acts as a wi-fi hotspot Yes Yes
Supports NFC Yes Yes
Bluetooth Bluetooth Bluetooth

form factor

Galaxy S8  vs
U Ultra 
Weight 152 g 170 g
Thickness 8 mm 8 mm
Size 68.1 x 148.9 x 8 mm 79.8 x 162.4 x 8 mm

sensors

Has an assisted GPS No No

music

Supports FM radio No No

software

Operating system Android 7.0 Android 7.0
Multitasking Yes Yes
App store Android Market Android Market
Adobe flash support No No
App store size 850,000 apps 850,000 apps

battery

Capacity 3,000 mA·h 3,000 mA·h
Samsung Galaxy S8
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HTC U Ultra
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