Samsung Galaxy S21 Ultra vs Samsung Galaxy S8+: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy S21 Ultra vs Samsung Galaxy S8+. The complete information of specifications to decide which to buy.

Compare
Samsung Galaxy S21 UltraSamsung Galaxy S21 UltraGlobal · 12GB · 128GB · SM-G998B
Samsung Galaxy S8+Samsung Galaxy S8+Global · 4GB · 64GB · G955F
Technical data sheets

Basics
Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra
Global · 12GB · 128GB · SM-G998B
View datasheet
vs
Samsung Galaxy S8+
Samsung Galaxy S8+
Global · 4GB · 64GB · G955F
View datasheet
vs

Score
Ki Cost-effective
Score		 8.9 Ki Cost-effective
Score 		7.4 Ki Cost-effective
Score
Design and Screen score 8.2Design & Materials 6.9Design & Materials
Performance and Hardware score 7.6Performance & Hardware 5.4Performance & Hardware
Camera score 8.7Camera 6.5Camera
Connectivity score 8.4 Connectivity 7.3 Connectivity
Battery score 8.0 Battery 4.9 Battery

User reviews
User score
9.0
79 reviews
8.8
113 reviews

Technical specifications of the Samsung Galaxy S21 Ultra vs Samsung Galaxy S8+

Specs stores to buy Samsung Galaxy S21 Ultra Samsung Galaxy S21 Ultra
Global · 12GB · 128GB · SM-G998B 		Samsung Galaxy S8+ price comparison Samsung Galaxy S8+
Global · 4GB · 64GB · G955F
Inches 6.8" 6.2"
Resolution WQHD+ WQHD+
Usable surface 89% useful 83% useful
Aspect Ratio 20:9 18:9
Dimensions 75.6 mm
165.1 mm
8.9 mm 		73.4 mm
159.5 mm
8.1 mm
Weight 227 g 173 g
Micro Exynos 2100
Octa-Core 		Exynos 8895
Octa-Core
RAM 12 GB RAM 4 GB RAM
Storage 128 GB 64 GB
AnTuTu 749.000
v10 		194.971
v7
Battery 5000 mAh 3500 mAh
Main Camera 1
108 Mpx · ƒ/1.8
S5KHM3
2 3 4 		1
12.2 Mpx · ƒ/1.7
S5K2L2
Selfie Camera SELF 44 Mpx · ƒ/2.2 SELF 8 Mpx · ƒ/1.7
Bands
OS Android 14 Upside-down cake Android 9.0 P

Brand
Brand Samsung Samsung
Aliases SM-G998B --

Release Date
Release date January 2021,
3 years ago 		March 2017,
7 years ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

Samsung Galaxy S21 Ultra
Samsung Galaxy S8+
Samsung Galaxy S21 Ultra
Samsung Galaxy S8+
Size
75.6 mm • 165.1 mm • 8.9 mm
See more details
 Print 3D Model
73.4 mm • 159.5 mm • 8.1 mm
See more details
 Print 3D Model
Weight 227 g 173 g
Usable surface 89 % 83 %
Materials Glass, Aluminium Aluminium alloy, Glass
Resistance IP68 IP68
Colors
Black

Silver

Gray

Brown
Black

Silver

Gray

Screen
Diagonal 6.8" 6.2"
Type AMOLED • Dynamic Amoled 2x Super AMOLED • HDR 10
Aspect Ratio 20:9 18:9
Resolution WQHD+
1440 x 3200 px 		WQHD+
1440 x 2960 px
Density 516 Pixels per inch 529 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Refresh rate 120 Hz
  • Peak brightness - 1500 cd/m²
  • Always-On Display
  • HDR10+
  • Scratch resistant
  • Dual Edge display
  • Corning Gorilla Glass Victus
  • S-Pen
  • Capacitive
  • Multi-touch
  • Frameless
  • LTPO (Low Temperature PolySilicon oxide)
  • Without Notch
  • Brightnes 540 cd/m² (typ)
  • 1500:1 contrast ratio
  • Color LED Notifications
  • Scratch resistant
  • Dual Edge display
  • Corning Gorilla Glass 5
  • Capacitive
  • Multi-touch
  • Touch sensitive
  • Force Touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
8.4
6.7
Do you think it's a nice phone?
9.5
9.5
Is it comfortable?
8.6
8.9
Can you see it well in the sunlight?
9.2
8.9
Number of reviews
79 reviews
113 reviews

Performance & Hardware

Processor
Model Samsung Exynos 2100 Samsung Exynos 9 Octa 8895
CPU 1x Cortex-X1 2,91 GHz + 3x Cortex-A78 2,81 GHz + 4x Cortex-A55 2,21 GHz. 4x Exynos M2 2.3 GHz + 4x Cortex-A53 1.7 GHz
Type Octa-Core Octa-Core
Manufacturing 5 nm 10 nm
64 Bits Yes Yes

Graphics
GPU ARM Mali-G78 MC14 ARM Mali-G71 MP20

RAM
RAM 12 GB 4 GB
Type RAM LPDDR5 LPDDR4X RAM

Antutu
Score
749.000
Antutu v10
Overall performance better than 85% of devices
See more details
194.971
Antutu v7
Overall performance better than 57% of devices
See more details

Storage
Capacity 128 GB 64 GB
Type UFS Storage 3.1 UFS Storage 2.1
SD Slot No Yes ,
Independent SD slot

Security
Fingerprint Yes, in screen Yes, in the back

Sensors
Sensors
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Barometer
  • Hall
  • Geomagnetic
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Gravity
  • Hall
  • Heart Rate
  • Iris scanner

Audio

Audio
  • Dolby Atmos
  • Hi-Res Audio
  • Noise cancellation microphone
  • Stereo Speakers
-

Others
Notifications LED -- Color LED Notifications
Cooling system No No
Gaming buttons No No

User reviews

Does it have good sound?
9.5
8.4
Does it work smoothly in everyday use?
9.5
8.8
What's your experience been with demanding games?
9.0
8.5
Number of reviews
79 reviews
113 reviews

Camera

Main
No. of cameras Quad rear camera Rear camera
1
Camera type

Standard

Standard
Resolution 108 Mpx 12.2 Mpx
Sensor Samsung S5KHM3 Samsung S5K2L2
Type ISOCELL ISOCELL
Aperture ƒ/ 1.8 ƒ/ 1.7
ISO -- --
Pixel size 0.80 µm 1.40 µm
Pixel Binning 1-9 (3x3) --
Sensor size 1/1.33" 1/2.6"
2
Camera type

Wide Angle + Macro
--
Resolution
12.2 Mpx
Sensor
Sony IMX563
Type
CMOS
Aperture
ƒ/ 2.2
Pixel size
1.40 µm
Pixel Binning
--
Sensor size
1/2.55"
3
Camera type

Telephoto + portrait
--
Resolution
10 Mpx
Sensor
Samsung S5K3J1
Type
ISOCELL
Aperture
ƒ/ 2.4
Pixel size
1.22 µm
Pixel Binning
--
Sensor size
1/2.65"
4
Camera type

Telephoto lens
--
Resolution
10 Mpx
Sensor
Samsung S5K3J1
Type
ISOCELL
Aperture
ƒ/ 4.9
Pixel size
1.22 µm
Pixel Binning
--
Sensor size
1/2.65"

Features
Flash LED Dual LED
Optical Stabilisation Yes Yes
Slow Motion Video Yes,
960 fps 		Yes,
240 fps
Others
  • 4K Video
  • 8K Video
  • Digital zoom
  • Optical zoom
  • Quadruple camera
  • Digital image stabilization
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Continuous autofocus
  • Manual focus
  • Laser AF
  • Phase detection autofocus (PDAF)
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • RAW
  • Night Mode
  • 4K Video
  • Digital zoom
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Continuous autofocus
  • Manual focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Scene mode
  • Self-timer
  • RAW

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 44 Mpx 8 Mpx
Sensor Samsung S5KGH1 Samsung S5K3H7
Type ISOCELL CMOS
Aperture ƒ/ 2.2 ƒ/ 1.7
Pixel size 0.70 µm 1.22 µm
Pixel Binning 1-4 (2x2) --
Sensor size 1/2.65" 1/3.2"
Others
--
--

DxOMark Score
DxOMark Score
115
Mobile
121
Photo
100
Video
135
Selfie
133
Photo
140
Video
 --

User reviews

Quality of daytime photos
9.5
9.3
Quality of nighttime photos
8.5
7.9
Quality of selfies
9.2
8.6
Does it have a powerful flash?
9.3
8.6
Number of reviews
79 reviews
113 reviews

Connectivity

Network compatibility

5G
  • n1 (2100)
  • n3 (1800)
  • n5 (850)
  • n7 (2600)
  • n8 (900)
  • n20 (800)
  • n28b (700)
  • n28a (700)
  • n38 (2600)
  • n40 (2300)
  • n41 (2500)
  • n66 (1700)
  • n77 (3700)
  • n78 (3500)
 --
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B13 (700)
  • B17 (700)
  • B18 (800)
  • B19 (800)
  • B20 (800)
  • B25 (1900+)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B32 (1500)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B13 (700)
  • B17 (700)
  • B18 (800)
  • B19 (800)
  • B20 (800)
  • B25 (1900+)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B42 (TDD 3500)
  • B66 (1700/2100)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Dual Standby Single Sim
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM

Wi-Fi
Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • WiFi 6 (802.11ax)
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi MiMO
  • Wi-Fi Hotspot
  • Wi-Fi Display

Bluetooth
Version Bluetooth 5.2 LE Low energy consumption Bluetooth 5.0 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • LE (Low Energy)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • ANT+
  • APT-x
  • SBC
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • HFP (Hands-Free Profile)
  • LE (Low Energy)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • DID
  • APT-x

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS (L1+L5)
  • Galileo (E1+E5a)
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo

USB
USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • USB Host 3.1
  • Charging
  • USB On-The-Go (OTG)
  • USB Type C
  • USB Host 3.1

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 0.710 W/Kg on head
1.580 W/Kg on body 		0.260 W/Kg on head
1.000 W/Kg on body
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 -- 0.410 W/Kg on head
0.970 W/Kg on body

Others
Others
  • NFC
  • OTA sync
  • Tethering.
  • NFC
  • Audio Jack
  • Mirrorlink

User reviews

Does it have good coverage for calls?
9.2
9.1
Quality of the GPS
9.1
9.0
And the WiFi?
9.3
9.0
Number of reviews
79 reviews
113 reviews

Battery

Battery
Capacity
5000 mAh
See more details
3500 mAh
See more details
Type Li-Polymer Li-Ion
Fast charge Yes,
25.0W 		Yes
Others
  • Wireless charging
  • Reverse charging
  • Non-removable
  • Wireless charging
  • Non-removable

User reviews

How long does the battery last?
  • 3%
    Less than half day
  • 12%
    Less than a day
  • 42%
    One day
  • 33%
    More than one day
  • 10%
    Two days or more
  • 9%
    Less than half day
  • 23%
    Less than a day
  • 46%
    One day
  • 22%
    More than one day
  • 0%
    Two days or more
Number of reviews
79 reviews
113 reviews

Software

Software
Operating System
  • Android 14
    Android 14 Upside-down cake, 7 months ago
  • Android 9.0 Pie
    Android 9.0 P, 5 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 3%
    It comes with a clean operating system
  • 82%
    It has preinstalled apps but they don't bother me
  • 16%
    It has preinstalled apps that I can't uninstall
  • 4%
    It comes with a clean operating system
  • 78%
    It has preinstalled apps but they don't bother me
  • 18%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 0%
    Never
  • 1%
    Once a year
  • 33%
    Every six months
  • 65%
    Every two months or less
  • 8%
    Never
  • 10%
    Once a year
  • 45%
    Every six months
  • 36%
    Every two months or less
Number of reviews
79 reviews
113 reviews
Prices
From $ 294 --
From $ 239 --

Others

Common comparisons