OnePlus 7T vs Samsung Galaxy M21: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: OnePlus 7T vs Samsung Galaxy M21. The complete information of specifications to decide which to buy.

Compare
OnePlus 7TOnePlus 7TGlobal · 8GB · 128GB
Samsung Galaxy M21Samsung Galaxy M21Global · 4GB · 64GB · M215F
Technical data sheets

Basics
OnePlus 7T
OnePlus 7T
Global · 8GB · 128GB
View datasheet
vs
Samsung Galaxy M21
Samsung Galaxy M21
Global · 4GB · 64GB · M215F
View datasheet
vs

Score
Ki Cost-effective
Score		 8.0 Ki Cost-effective
Score 		-- No price,
no Ki
Design and Screen score 7.3Design & Materials 5.6Design & Materials
Performance and Hardware score 6.8Performance & Hardware 5.6Performance & Hardware
Camera score 7.5Camera 6.4Camera
Connectivity score 7.5 Connectivity 6.3 Connectivity
Battery score 5.0 Battery 8.5 Battery

User reviews
User score
9.3
77 reviews
7.9
9 reviews

Technical specifications of the OnePlus 7T vs Samsung Galaxy M21

Specs OnePlus 7T prices OnePlus 7T
Global · 8GB · 128GB 		where to buy Samsung Galaxy M21 Samsung Galaxy M21
Global · 4GB · 64GB · M215F
Inches 6.55" 6.4"
Resolution FHD+ FHD+
Usable surface 86% useful 84% useful
Aspect Ratio 20:9 19.5:9
Dimensions 74.4 mm
160.9 mm
8.1 mm 		75.1 mm
159.0 mm
8.9 mm
Weight 190 g 188 g
Micro SnapD. 855+
Octa-Core 		Exynos 9611
Octa-Core
RAM 8 GB RAM 4 GB RAM
Storage 128 GB 64 GB
AnTuTu 482.415
v8 		186.282
v8
Battery 3800 mAh 6000 mAh
Main Camera 1
48 Mpx · ƒ/1.6
IMX586 Exmor RS
2 3 		1
48 Mpx · ƒ/2.0
S5KGM1
2 3
Selfie Camera SELF 16 Mpx · ƒ/2.0 SELF 20 Mpx · ƒ/2.2
Bands
OS Android 11 Red Velvet Cake Android 10 Q

Brand
Brand OnePlus Samsung
Aliases HD1903 SM-M215FZBDTHL, SM-M215FZ

Release Date
Release date September 2019,
4 years ago 		March 2020,
4 years ago
State On Sale Not available
Market Global Global

Design & Materials

Structure

OnePlus 7T
Samsung Galaxy M21
OnePlus 7T
Samsung Galaxy M21
Size
74.4 mm • 160.9 mm • 8.1 mm
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 Print 3D Model
75.1 mm • 159.0 mm • 8.9 mm
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 Print 3D Model
Weight 190 g 188 g
Usable surface 86 % 84 %
Materials Aluminium alloy Plastic
Resistance - -
Colors
Blue

Gray
Black

Blue

Green

Screen
Diagonal 6.55" 6.4"
Type AMOLED Super AMOLED
Aspect Ratio 20:9 19.5:9
Resolution FHD+
1080 x 2400 px 		FHD+
1080 x 2340 px
Density 402 Pixels per inch 403 Pixels per inch

Others

Others
  • Water Drop Notch
  • Refresh rate 90 Hz
  • Peak brightness - 1000 cd/m²
  • 60000:1 contrast ratio
  • TÜV Rheinland Eye Comfort Certification
  • HDR10+
  • DCI-P3
  • Scratch resistant
  • Corning Gorilla Glass 6
  • Capacitive
  • Multi-touch
  • Frameless
  • Water Drop Notch
  • Peak brightness - 420 cd/m²
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • Frameless
  • Infinity-U display

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
8.4
6.0
Do you think it's a nice phone?
9.5
7.6
Is it comfortable?
9.4
9.0
Can you see it well in the sunlight?
9.1
8.6
Number of reviews
77 reviews
9 reviews

Performance & Hardware

Processor
Model Qualcomm Snapdragon 855+ Samsung Exynos 7 Octa 9611
CPU 1x Kryo 485 2.96 GHz + 3x Kryo 485 2.4 GHz + 4x Kryo 485 1.8 GHz 4x Cortex-A73 2.3 GHz + 4x Cortex-A53 1.67 GHz
Type Octa-Core Octa-Core
Manufacturing 7 nm 10 nm
64 Bits Yes Yes

Graphics
GPU Qualcomm Adreno 640 700MHz ARM Mali-G72 MP3

RAM
RAM 8 GB 4 GB
Type LPDDR4X RAM LPDDR4X RAM

Antutu
Score
482.415
Antutu v8
Overall performance better than 77% of devices
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186.282
Antutu v8
Overall performance better than 57% of devices
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Storage
Capacity 128 GB 64 GB
Type UFS Storage 3.0 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
  • Hall
  • Fingerprint
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Geomagnetic

Audio

Audio
  • Dolby Atmos
  • Stereo Speakers
-

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

User reviews

Does it have good sound?
9.6
8.0
Does it work smoothly in everyday use?
9.8
8.1
What's your experience been with demanding games?
9.5
5.6
Number of reviews
77 reviews
9 reviews

Camera

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

Standard

Standard
Resolution 48 Mpx 48 Mpx
Sensor Sony IMX586 Exmor RS Samsung S5KGM1
Type CMOS ISOCELL
Aperture ƒ/ 1.6 ƒ/ 2.0
ISO 100 - 3200 --
Pixel size 0.80 µm 0.80 µm
Pixel Binning 1-4 (2x2) 1-4 (2x2)
Sensor size 1/2" 1/2"
2
Camera type

Telephoto lens

Wide Angle lens
Resolution
13 Mpx
8 Mpx
Sensor
Samsung S5K3M5
Unknown
Type
ISOCELL
--
Aperture
ƒ/ 2.2
ƒ/ 2.2
Pixel size
1.00 µm
--
Pixel Binning
--
--
Sensor size
1/3.4"
--
3
Camera type

Wide Angle lens

Portrait mode (depth)
Resolution
16 Mpx
5 Mpx
Sensor
Sony IMX481
Unknown
Type
CMOS BSI
--
Aperture
ƒ/ 2.2
ƒ/ 2.2
Pixel size
1.00 µm
--
Pixel Binning
--
--
Sensor size
1/3.09"
--

Features
Flash Dual LED LED
Optical Stabilisation Yes No
Slow Motion Video Yes,
480 fps 		Yes,
240 fps
Others
  • 4K Video
  • Digital zoom
  • Triple camera
  • Digital image stabilization
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • RAW
  • 4K Video
  • Digital zoom
  • Triple camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 16 Mpx 20 Mpx
Sensor Sony IMX471 Exmor RS Unknown
Type CMOS CMOS
Aperture ƒ/ 2.0 ƒ/ 2.2
Pixel size 1.00 µm --
Pixel Binning 1-4 (2x2) --
Sensor size 1/3.13" --
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
9.3
8.7
Quality of nighttime photos
8.4
5.4
Quality of selfies
8.7
7.9
Does it have a powerful flash?
9.0
8.1
Number of reviews
77 reviews
9 reviews

Connectivity

Network compatibility

5G -- --
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)
  • B29 (700)
  • B32 (1500)
  • B34 (TDD 2100)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B9 (1800 Japan)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
2G
  • CDMA BC0 (800)
  • CDMA BC1 (1900)
  • 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
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi MiMO
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct

Bluetooth
Version Bluetooth 5.0 LE Low energy consumption Bluetooth 5.0
Others
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • APT-x
  • 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)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • HOGP

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • GPS (L1+L5)
  • GLONASS (L1)
  • BeiDou (B1)
  • 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
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C

SAR
European measurement

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

 1.040 W/Kg on head
1.400 W/Kg on body 		0.468 W/Kg on head
-- W/Kg on body
American measurement

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

 -- --

Others
Others
  • NFC
  • Computer sync
  • OTA sync
  • Tethering.
  • DLNA
  • VoLTE
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE

User reviews

Does it have good coverage for calls?
9.5
8.6
Quality of the GPS
9.6
9.2
And the WiFi?
9.5
8.8
Number of reviews
77 reviews
9 reviews

Battery

Battery
Capacity
3800 mAh
See more details
6000 mAh
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Type Li-Polymer Li-Ion
Fast charge Yes,
30.0W 		Yes,
15.0W
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 1%
    Less than half day
  • 11%
    Less than a day
  • 47%
    One day
  • 34%
    More than one day
  • 7%
    Two days or more
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 11%
    One day
  • 33%
    More than one day
  • 56%
    Two days or more
Number of reviews
77 reviews
9 reviews

Software

Software
Operating System
  • OxygenOS 11 (Android 11)
    Android 11 Red Velvet Cake, 3 years ago
  • Android 10
    Android 10 Q, 4 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 22%
    It comes with a clean operating system
  • 75%
    It has preinstalled apps but they don't bother me
  • 3%
    It has preinstalled apps that I can't uninstall
  • 11%
    It comes with a clean operating system
  • 67%
    It has preinstalled apps but they don't bother me
  • 22%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 0%
    Never
  • 0%
    Once a year
  • 35%
    Every six months
  • 65%
    Every two months or less
  • 0%
    Never
  • 17%
    Once a year
  • 67%
    Every six months
  • 17%
    Every two months or less
Number of reviews
77 reviews
9 reviews
Prices
From $ 225 --
Prices unavailable

Others

Common comparisons