OnePlus 7T vs Oppo A91 vs Xiaomi Redmi K30 Pro: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: OnePlus 7T vs Oppo A91 vs Xiaomi Redmi K30 Pro. The complete information of specifications to decide which to buy.

Compare
OnePlus 7TOnePlus 7TGlobal · 8GB · 128GB
Oppo A91Oppo A91Global · 8GB · 128GB
Xiaomi Redmi K30 ProXiaomi Redmi K30 ProChina · 6GB · 128GB
Technical data sheets

Basics
OnePlus 7T
OnePlus 7T
Global · 8GB · 128GB
View datasheet
vs
Oppo A91
Oppo A91
Global · 8GB · 128GB
View datasheet
vs
Xiaomi Redmi K30 Pro
Xiaomi Redmi K30 Pro
China · 6GB · 128GB
View datasheet
vs

Score
Ki Cost-effective
Score		 7.3 Ki Cost-effective
Score 		-- Not available -- Not available
Design and Screen score 6.7Design & Materials --Design & Materials --Design & Materials
Performance and Hardware score 6.2Performance & Hardware --Performance & Hardware --Performance & Hardware
Camera score 7.3Camera --Camera --Camera
Connectivity score 7.3 Connectivity -- Connectivity -- Connectivity
Battery score 5.2 Battery --Battery --Battery

User reviews
User score
9.3
76 reviews
--
4 reviews
9.2
6 reviews

Technical specifications of the OnePlus 7T vs Oppo A91 vs Xiaomi Redmi K30 Pro

Specs OnePlus 7T prices OnePlus 7T
Global · 8GB · 128GB 		Oppo A91 prices Oppo A91
Global · 8GB · 128GB 		where to buy Xiaomi Redmi K30 Pro Xiaomi Redmi K30 Pro
China · 6GB · 128GB
Inches 6.55" 6.4" 6.67"
Resolution FHD+ FHD+ FHD+
Usable surface 86% useful 84% useful 87% useful
Aspect Ratio 20:9 20:9 20:9
Dimensions 74.4 mm
160.9 mm
8.1 mm 		73.3 mm
160.2 mm
7.9 mm 		75.4 mm
163.3 mm
9.0 mm
Weight 190 g 172 g 218 g
Micro SnapD. 855+
Octa-Core 		Helio P70
Octa-Core 		SnapD. 865
Octa-Core
RAM 8 GB RAM 8 GB RAM 6 GB RAM
Storage 128 GB 128 GB 128 GB
AnTuTu 582.452
v10 		151.661
v8 		753.315
v10
Battery 3800 mAh 4025 mAh 4700 mAh
Main Camera 1
48 Mpx · ƒ/1.6
IMX586 Exmor RS
2 3 		1
48 Mpx · ƒ/1.8

2 3 4 		1
64 Mpx · ƒ/1.89
IMX686 Exmor RS
2 3 4
Selfie Camera SELF 16 Mpx · ƒ/2.0 SELF 30 Mpx · ƒ/2.0 SELF 20 Mpx · Unknow
Bands
OS Android 11 Red Velvet Cake Android 9.0 P Android 11 Red Velvet Cake

Brand
Brand OnePlus Oppo Xiaomi
Aliases HD1903 PCPM00, PCPT00 M2001J2C, M2001J2E, M2001G7AE

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

Design & Materials

Structure

OnePlus 7T
Oppo A91
Xiaomi Redmi K30 Pro
OnePlus 7T
Oppo A91
Xiaomi Redmi K30 Pro
Size
74.4 mm • 160.9 mm • 8.1 mm
See more details
 Print 3D Model
73.3 mm • 160.2 mm • 7.9 mm
See more details
 Print 3D Model
75.4 mm • 163.3 mm • 9.0 mm
See more details
 Print 3D Model
Weight 190 g 172 g 218 g
Usable surface 86 % 84 % 87 %
Materials Aluminium alloy Glass Aluminium alloy, Glass, P2i Nano coating
Resistance - - IP53
Colors
Blue
Gray
White
Blue
Red
White
Blue

Screen
Diagonal 6.55" 6.4" 6.67"
Type AMOLED AMOLED AMOLED • Samsung
Aspect Ratio 20:9 20:9 20:9
Resolution FHD+
1080 x 2400 px 		FHD+
1080 x 2400 px 		FHD+
1080 x 2400 px
Density 402 Pixels per inch 411 Pixels per inch 395 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
  • Scratch resistant
  • Capacitive
  • Multi-touch
  • Frameless
  • Without Notch
  • Touch sampling rate 180 Hz
  • Brightnes 500 cd/m² (typ)
  • Max brightness HBM - 800 cd/m²
  • Peak brightness - 1200 cd/m²
  • 5000000:1 contrast ratio
  • TÜV Rheinland Eye Comfort Certification
  • HDR10+
  • DCI-P3
  • Full sRGB standard
  • LED Notifications
  • 2.5D curved glass screen
  • Corning Gorilla Glass 5
  • Capacitive
  • Multi-touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
8.4
--
8.7
Do you think it's a nice phone?
9.5
--
9.5
Is it comfortable?
9.4
--
9.3
Can you see it well in the sunlight?
9.1
--
9.7
Number of reviews
76 reviews
--
6 reviews

Performance & Hardware

Processor
Model Qualcomm Snapdragon 855+ MediaTek Helio P70 (MT6771V/CT) Qualcomm Snapdragon 865
CPU 1x Kryo 485 2.96 GHz + 3x Kryo 485 2.4 GHz + 4x Kryo 485 1.8 GHz 4x Cortex-A73 2.1 GHz + 4x Cortex-A53 1.95 GHz 1x Cortex-A77 2.84 GHz + 3x Cortex-A77 2.4 GHz + 4x Cortex-A55 1.8 GHz
Type Octa-Core Octa-Core Octa-Core
Manufacturing 7 nm 12 nm 7 nm
64 Bits Yes Yes Yes

Graphics
GPU Qualcomm Adreno 640 700MHz ARM Mali-G72 MP3 Qualcomm Adreno 650 600 Mhz

RAM
RAM 8 GB 8 GB 6 GB
Type LPDDR4X RAM LPDDR4X RAM LPDDR4X RAM

Antutu
Score
582.452
Antutu v10
Overall performance better than 75% of devices
See more details
151.661
Antutu v8
Overall performance better than 11% of devices
See more details
753.315
Antutu v10
Overall performance better than 13% of devices
See more details

Storage
Capacity 128 GB 128 GB 128 GB
Type UFS Storage 3.0 -- UFS Storage 3.0
SD Slot No Yes ,
Slot for SD or second SIM card 		No

Security
Fingerprint Yes, in screen Yes, in screen Yes, in screen

Sensors
Sensors
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Hall
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Gravity
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope

Audio

Audio
  • Dolby Atmos
  • Stereo Speakers
-
  • Hi-Res Audio

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

User reviews

Does it have good sound?
9.5
--
9.3
Does it work smoothly in everyday use?
9.8
--
9.8
What's your experience been with demanding games?
9.4
--
9.5
Number of reviews
76 reviews
--
6 reviews

Camera

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

Standard

Standard

Standard
Resolution 48 Mpx 48 Mpx 64 Mpx
Aperture ƒ/ 1.6 ƒ/ 1.8 ƒ/ 1.89
Optical zoom -- -- --
View angle -- -- --
Sensor Sony IMX586 Exmor RS Unknown Sony IMX686 Exmor RS
Type CMOS CMOS BSI CMOS
ISO 100 - 3200 -- --
Pixel size 0.80 µm 0.80 µm 0.80 µm
Pixel Binning 1-4 (2x2) -- 1-4 (2x2)
Sensor size 1/2" -- 1/1.7"
2
Camera type

Telephoto lens

Wide Angle lens

Wide Angle lens
Resolution
13 Mpx
8 Mpx
13 Mpx
Aperture
ƒ/ 2.2
ƒ/ 2.25
ƒ/ 2.2
Optical zoom
--
--
--
View angle
--
--
--
Sensor
Samsung S5K3M5
Unknown
Samsung S5K3L6
Type
ISOCELL
--
ISOCELL
Pixel size
1.00 µm
1.12 µm
1.12 µm
Pixel Binning
--
--
--
Sensor size
1/3.4"
--
1/3.1"
3
Camera type

Wide Angle lens

Macro lens

Portrait mode (depth)
Resolution
16 Mpx
2 Mpx
2 Mpx
Aperture
ƒ/ 2.2
ƒ/ 2.4
ƒ/ 2.4
Optical zoom
--
--
--
View angle
--
--
--
Sensor
Sony IMX481
Unknown
Unknown
Type
CMOS BSI
--
--
Pixel size
1.00 µm
1.75 µm
1.75 µm
Pixel Binning
--
--
--
Sensor size
1/3.09"
--
--
4
Camera type
--

Black & white

Macro lens
Resolution
2 Mpx
5 Mpx
Aperture
ƒ/ 2.4
ƒ/ 2.2
Optical zoom
--
--
View angle
--
--
Sensor
Unknown
Samsung S5K5E9
Type
--
ISOCELL
Pixel size
1.75 µm
1.12 µm
Pixel Binning
--
--
Sensor size
--
1/5"

Features
Flash Dual LED Dual LED Dual LED
Optical Stabilisation Yes No No
Slow Motion Video Yes,
480 fps 		Yes,
120 fps 		Yes,
960 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
  • Digital zoom
  • Quadruple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Manual focus
  • Laser AF
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Scene mode
  • Self-timer
  • 4K Video
  • 8K Video
  • Digital zoom
  • Quadruple camera
  • Autofocus
  • Touch focus
  • Manual focus
  • Dual front camera
  • Retractable front camera
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • RAW
  • Night Mode

Selfie
SELF
Camera type

Dedicated

Dedicated

Dedicated
Resolution 16 Mpx 30 Mpx 20 Mpx
Aperture ƒ/ 2.0 ƒ/ 2.0 Unknow
Optical zoom -- -- --
View angle -- -- --
Sensor Sony IMX471 Exmor RS Unknown Samsung S5K3T2
Type CMOS -- ISOCELL
Pixel size 1.00 µm -- 0.80 µm
Pixel Binning 1-4 (2x2) -- 1-4 (2x2)
Sensor size 1/3.13" -- 1/3.4"
Others
--
--
--

DxOMark Score
DxOMark Score -- -- --

User reviews

Quality of daytime photos
9.2
--
9.7
Quality of nighttime photos
8.3
--
8.7
Quality of selfies
8.7
--
8.8
Does it have a powerful flash?
9.0
--
9.0
Number of reviews
76 reviews
--
6 reviews

Connectivity

Network compatibility

5G -- --
  • n1 (2100)
  • n3 (1800)
  • n41 (2500)
  • n78 (3500)
  • n79 (4700)
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)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B34 (TDD 2100)
  • 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)
  • B9 (1800 Japan)
  • B1 (2100)
  • B5 (850)
  • B8 (900)
  • 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)
  • CDMA BC0 (800)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

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

Bluetooth
Version Bluetooth 5.0 LE Low energy consumption Bluetooth 4.2 LE Low energy consumption Bluetooth 5.1 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • APT-x
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • LE (Low Energy)
  • PBAP/PAB (Phone Book Access Profile)
  • APT-x

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • GPS (L1+L5)
  • GLONASS (L1)
  • BeiDou (B1)
  • Galileo (E1+E5a)
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • QZSS
  • GPS (L1+L5)
  • BeiDou (B1)
  • Galileo (E1+E5a)
  • BeiDou (B2)

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
  • 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 		-- --
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
  • Audio Jack
  • Radio FM
  • Computer sync
  • Tethering.
  • VoLTE
  • NFC
  • Audio Jack
  • Computer sync
  • OTA sync
  • Infrared
  • Tethering.
  • VoLTE
  • ANT+

User reviews

Does it have good coverage for calls?
9.4
--
9.0
Quality of the GPS
9.6
--
9.7
And the WiFi?
9.4
--
9.8
Number of reviews
76 reviews
--
6 reviews

Battery

Battery
Capacity
3800 mAh
See more details
4025 mAh
See more details
4700 mAh
See more details
Type Li-Polymer Li-Polymer Li-Ion Polymer
Fast charge Yes,
30.0W 		Yes,
20.0W 		Yes,
33.0W
Others
  • Non-removable
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 1%
    Less than half day
  • 13%
    Less than a day
  • 47%
    One day
  • 32%
    More than one day
  • 7%
    Two days or more
--
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 17%
    One day
  • 67%
    More than one day
  • 17%
    Two days or more
Number of reviews
76 reviews
--
6 reviews

Software

Software
Operating System
  • OxygenOS 11 (Android 11)
    Android 11 Red Velvet Cake, 5 years ago
  • ColorOS 6 (Android 9.0 Pie)
    Android 9.0 P, 8 years ago
  • MIUI V12 (Android 11)
    Android 11 Red Velvet Cake, 5 years ago
Google Services With Google Mobile Services With Google Mobile Services Without Google Mobile services

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
--
  • 17%
    It comes with a clean operating system
  • 83%
    It has preinstalled apps but they don't bother me
  • 0%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 0%
    Never
  • 1%
    Once a year
  • 36%
    Every six months
  • 63%
    Every two months or less
--
  • 0%
    Never
  • 0%
    Once a year
  • 40%
    Every six months
  • 60%
    Every two months or less
Number of reviews
76 reviews
--
6 reviews
Prices
From $ 227 --
Prices unavailable
Prices unavailable

Others

Common comparisons