Samsung Galaxy S21 5G vs Samsung Galaxy S7: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy S21 5G vs Samsung Galaxy S7. The complete information of specifications to decide which to buy.

Compare
Technical data sheets

Basics

Score

Ki Price/Quality
Score
9.1 Ki Price/Quality
Score
No price,
no Ki
Design and Screen score 8.6 Design & Materials 7.0 Design & Materials
Performance and Hardware score 8.6 Performance & Hardware 6.2 Performance & Hardware
Camera score 8.5 Camera 6.7 Camera
Connectivity score 9.0 Connectivity 7.4 Connectivity
Battery score 6.5 Battery 4.2 Battery

User reviews

User score
8.8
20 reviews
8.9
209 reviews

Technical specifications of the Samsung Galaxy S21 5G vs Samsung Galaxy S7

Specs stores to buy Samsung Galaxy S21 5G Samsung Galaxy S21 5G
Global · 8GB · 128GB · SM-G991B
Samsung Galaxy S7 price comparison Samsung Galaxy S7
Global · 4GB · 32GB · G930FD
Inches 6.2" 5.1"
Resolution FHD+ QHD
Usable surface 88% useful 72% useful
Aspect Ratio 20:9 16:9
Dimensions 71.2 mm
151.7 mm
7.9 mm
69.6 mm
142.4 mm
7.9 mm
Weight 169 g 152 g
Micro Exynos 2100
Octa-Core
Exynos 8890
Octa-Core
RAM 8 GB RAM 4 GB RAM
Storage 128 GB 32 GB
AnTuTu 755.000
v9
188.798
v8
Battery 4000 mAh 3000 mAh
Main Camera 1
12 Mpx · ƒ/1.8
IMX555
2 3
1
12 Mpx · ƒ/1.7
IMX260 Exmor RS
Selfie Camera SELF 10 Mpx · ƒ/2.2 SELF 5 Mpx · ƒ/--
Bands
OS Android 11 Red Velvet Cake Android 8.0 Oreo

Brand

Brand Samsung Samsung
Aliases SM-G991B --

Release Date

Release date January 2021,
9 months ago
February 2016,
5 years ago
State On Sale Not available
Market Global Global

Design & Materials

Structure

Samsung Galaxy S21 5G
Samsung Galaxy S7
Samsung Galaxy S21 5G
Samsung Galaxy S7
Size
71.2 mm
151.7 mm
7.9 mm
Print 3D Model
69.6 mm
142.4 mm
7.9 mm
Print 3D Model
Weight 169 g 152 g
Usable surface 88 % 72 %
Materials Plastic, Aluminium Aluminium alloy, Glass
Resistance IP68 IP68
Colors
White

Pink

Gray

Violet
Black

Gold

Silver

Rose-gold

Screen

Diagonal 6.2" 5.1"
Type Amoled Dynamic Amoled 2X Super Amoled
Aspect Ratio 20:9 16:9
Resolution FHD+
1080 x 2400 px
QHD
1440 x 2560 px
Density 424 Pixels per inch 576 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Refresh rate 120 Hz
  • Peak brightness - 1300 cd/m²
  • Always-On Display
  • HDR10+
  • Scratch resistant
  • Corning Gorilla Glass 7 Victus
  • Capacitive
  • Multi-touch
  • Frameless
  • Without Notch
  • 1500:1 contrast ratio
  • Always-On Display
  • Color LED Notifications
  • LED Notifications
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 4
  • Capacitive
  • Multi-touch
  • Touch sensitive

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.7
7.3
Do you think it's a nice phone?
9.5
9.2
Is it comfortable?
9.8
9.1
Can you see it well in the sunlight?
9.1
8.9
Number of reviews
20 reviews
209 reviews

Performance & Hardware

Processor

Model Samsung Exynos 2100 Samsung Exynos 8 Octa 8890 2.3
CPU 1x Cortex-X1 2,91 GHz + 3x Cortex-A78 2,81 GHz + 4x Cortex-A55 2,21 GHz. 4x Exynos M1 2.3 GHz + 4x Cortex-A53 1.6 GHz
Type Octa-Core Octa-Core
Manufacturing 5 nm 14 nm
Frequency 2.91 GHz 2.3 GHz
64 Bits Yes Yes

Graphics

GPU ARM Mali-G78 MC14 Arm Mali-T880 MP12 650 Mhz

RAM

RAM 8 GB 4 GB
Type RAM LPDDR5 --

Antutu

Score
755.000
Antutu v9
Overall performance better than 97% of devices
188.798
Antutu v8
Overall performance better than 71% of devices

Storage

Capacity 128 GB 32 GB
Type UFS Storage 3.1 --
SD Slot No Yes ,
Slot for SD or second SIM card

Security

Fingerprint Yes, in screen Yes, on the front

Sensors

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

Others

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

User reviews

Does it have good sound?
9.2
8.4
Does it work smoothly in everyday use?
9.4
9.1
What's your experience been with demanding games?
8.7
8.6
Number of reviews
20 reviews
209 reviews

Camera

Main

No. of cameras Triple rear camera Rear camera
1
Camera type

Standard

Standard
Resolution 12 Mpx 12 Mpx
Sensor Sony IMX555 Sony IMX260 Exmor RS
Type CMOS BRITECELL
Aperture ƒ/ 1.8 ƒ/ 1.7
ISO -- --
Pixel size 1.80 µm 1.40 µm
Pixel Binning -- --
Sensor size 1/1.76 1/2.5
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
64 Mpx
Sensor
Samsung Bright S5KGW2
Type
ISOCELL
Aperture
ƒ/ 2.0
Pixel size
0.80 µm
Pixel Binning
--
Sensor size
1/1.72

Features

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

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 10 Mpx 5 Mpx
Sensor Sony IMX374 Unknown
Type CMOS --
Aperture ƒ/ 2.2 ƒ/ --
Pixel size 1.22 µm --
Pixel Binning -- --
Sensor size 1/3.2 --
Others
--
--

DxOMark Score

DxOMark Score
116
Mobile
123
Photo
93
Video
--

User reviews

Quality of daytime photos
9.6
9.2
Quality of nighttime photos
9.1
8.4
Quality of selfies
9.6
8.4
Does it have a powerful flash?
8.8
8.7
Number of reviews
20 reviews
209 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)
  • 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)
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)
  • B5 (850)
  • 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 Dual Sim Dual Standby
Type
  • Nano SIM
  • 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 Hotspot
  • Wi-Fi Display

Bluetooth

Version Bluetooth 5.0 LE Low energy consumption Bluetooth 4.2 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)
  • LE (Low Energy)

Navigation

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

USB

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

SAR

European measurement

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

0.460 W/Kg on head
1.510 W/Kg on body
0.406 W/Kg on head
0.621 W/Kg on body
American measurement

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

-- 1.240 W/Kg on head
1.590 W/Kg on body

Others

Others
  • NFC
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • ANT+
  • NFC
  • Audio Jack
  • Mirrorlink

User reviews

Does it have good coverage for calls?
8.9
9.1
Quality of the GPS
9.2
9.0
And the WiFi?
9.3
9.1
Number of reviews
20 reviews
209 reviews

Battery

Battery

Capacity
4000 mAh
3000 mAh
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?
  • 0%
    Less than half day
  • 45%
    Less than a day
  • 40%
    One day
  • 5%
    More than one day
  • 10%
    Two days or more
  • 4%
    Less than half day
  • 21%
    Less than a day
  • 45%
    One day
  • 26%
    More than one day
  • 3%
    Two days or more
Number of reviews
20 reviews
209 reviews

Software

Software

Operating System
  • Android 11
    Android 11 Red Velvet Cake, 1 year ago
  • Android 8.0 Oreo
    Android 8.0 Oreo, 4 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 0%
    It comes with a clean operating system
  • 89%
    It has preinstalled apps but they don't bother me
  • 11%
    It has preinstalled apps that I can't uninstall
  • 3%
    It comes with a clean operating system
  • 68%
    It has preinstalled apps but they don't bother me
  • 29%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 0%
    Never
  • 0%
    Once a year
  • 28%
    Every six months
  • 72%
    Every two months or less
  • 5%
    Never
  • 12%
    Once a year
  • 52%
    Every six months
  • 32%
    Every two months or less
Number of reviews
20 reviews
209 reviews

Prices

Prices

Prices

Prices for the version Global  •  8GB  •  128GB  •  SM-G991B Change
Prices unavailable