Xiaomi Redmi K40 Pro vs Redmi Note 8 Pro: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Xiaomi Redmi K40 Pro vs Redmi Note 8 Pro. The complete information of specifications to decide which to buy.

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Technical data sheets

Basics

Score

Ki Price/Quality
Score
8.8 Ki Price/Quality
Score
8.3 Ki Price/Quality
Score
Design and Screen score 8.3 Design & Materials 7.1 Design & Materials
Performance and Hardware score 8.6 Performance & Hardware 7.2 Performance & Hardware
Camera score 7.4 Camera 7.2 Camera
Connectivity score 7.6 Connectivity 7.4 Connectivity
Battery score 6.9 Battery 6.6 Battery

User reviews

User score --
9.2
717 reviews

Technical specifications of the Xiaomi Redmi K40 Pro vs Redmi Note 8 Pro

Specs where to buy Xiaomi Redmi K40 Pro Xiaomi Redmi K40 Pro
China · 6GB · 128GB
stores to buy Redmi Note 8 Pro Redmi Note 8 Pro
Global · 6GB · 64GB
Inches 6.67" 6.53"
Resolution FHD+ FHD+
Usable surface 85% useful 84% useful
Aspect Ratio 20:9 19.5:9
Dimensions 76.4 mm
163.7 mm
7.8 mm
76.4 mm
161.3 mm
8.8 mm
Weight 196 g 199 g
Micro SnapD. 888
Octa-Core
Helio G90
Octa-Core
RAM 6 GB RAM 6 GB RAM
Storage 128 GB 64 GB
AnTuTu 821.847
v9
340.787
v9
Battery 4520 mAh 4500 mAh
Main Camera 1
64 Mpx · ƒ/1.89
IMX686 Exmor RS
2 3
1
64 Mpx · ƒ/1.9
Bright S5KGW1
2 3 4
Selfie Camera SELF 20 Mpx · ƒ/2.45 SELF 20 Mpx · ƒ/2.0
Bands
OS Android 11 Red Velvet Cake Android 11 Red Velvet Cake

Brand

Brand Xiaomi Xiaomi
Aliases M2101K11C, HAYDN_PRO Xiaomi Redmi Note8 Pro, Begonia, M1906G7G

Release Date

Release date February 2021,
1 year ago
August 2019,
2 years ago
State On Sale On Sale
Market China Global

Design & Materials

Structure

Xiaomi Redmi K40 Pro
Redmi Note 8 Pro
Xiaomi Redmi K40 Pro
Redmi Note 8 Pro
Size
76.4 mm
163.7 mm
7.8 mm
Print 3D Model
76.4 mm
161.3 mm
8.8 mm
Print 3D Model
Weight 196 g 199 g
Usable surface 85 % 84 %
Materials Plastic, Glass Plastic, Glass, P2i Nano coating
Resistance IP53 IP52
Colors
Black
Black

White

Green

Screen

Diagonal 6.67" 6.53"
Type Oled Samsung E4 LCD IPS
Aspect Ratio 20:9 19.5:9
Resolution FHD+
1080 x 2400 px
FHD+
1080 x 2340 px
Density 386 Pixels per inch 394 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Refresh rate 120 Hz
  • Touch sampling rate 360 Hz
  • Peak brightness - 1300 cd/m²
  • Max brightness HBM - 900 cd/m²
  • 5000000:1 contrast ratio
  • HDR10+
  • DCI-P3
  • True Tone display
  • MEMC
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 5
  • Capacitive
  • Multi-touch
  • Frameless
  • Water Drop Notch
  • Brightnes 500 cd/m² (typ)
  • 1500:1 contrast ratio
  • HDR
  • 84% NTSC
  • LED Notifications
  • Scratch resistant
  • Corning Gorilla Glass 5
  • 3D curved glass screen
  • Capacitive
  • Multi-touch
  • LTPS (Low Temperature PolySilicon silicon)
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
--
8.3
Do you think it's a nice phone?
--
9.4
Is it comfortable?
--
8.8
Can you see it well in the sunlight?
--
8.4
Number of reviews
--
717 reviews

Performance & Hardware

Processor

Model Qualcomm Snapdragon 888 MediaTek Helio G90T (MT6785T)
CPU 1x Cortex X1 2.84GHz + 3x Cortex A78 2.42GHz + 4x Cortex A55 1.8GHz 2x Cortex-A76 2.05 GHz + 6x Cortex-A55 2.0 GHz
Type Octa-Core Octa-Core
Manufacturing 5 nm 12 nm
Frequency 2.84 GHz 2.05 GHz
64 Bits Yes Yes

Graphics

GPU Adreno 660 Arm Mali-G76 3EEMC4 800MHz

RAM

RAM 6 GB 6 GB
Type RAM LPDDR5 LPDDR4X RAM

Storage

Capacity 128 GB 64 GB
Type UFS Storage 3.1 UFS Storage 2.1
SD Slot No Yes ,
Slot for SD or second SIM card

Security

Fingerprint Yes, on the side Yes, in the back

Sensors

Sensors
  • Fingerprint
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Barometer
  • RGB
  • Ultrasonic proximity
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope

Others

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

User reviews

Does it have good sound?
--
8.3
Does it work smoothly in everyday use?
--
9.4
What's your experience been with demanding games?
--
9.2
Number of reviews
--
717 reviews

Camera

Main

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

Standard

Standard
Resolution 64 Mpx 64 Mpx
Sensor Sony IMX686 Exmor RS Samsung Bright S5KGW1
Type CMOS ISOCELL
Aperture ƒ/ 1.89 ƒ/ 1.9
ISO -- 100 - 3200
Pixel size 0.80 µm 0.80 µm
Pixel Binning 1-4 (2x2) 1-4 (2x2)
Sensor size 1/1.7 1/1.72
2
Camera type

Wide Angle + Macro

Wide Angle lens
Resolution
8 Mpx
8 Mpx
Sensor
Sony IMX355
Unknown
Type
CMOS BSI
--
Aperture
ƒ/ 2.2
ƒ/ 2.2
Pixel size
1.14 µm
1.12 µm
Pixel Binning
--
--
Sensor size
1/2.8
--
3
Camera type

Macro lens

Macro lens
Resolution
5 Mpx
2 Mpx
Sensor
Samsung S5K5E9
Unknown
Type
ISOCELL
--
Aperture
ƒ/ 2.4
ƒ/ --
Pixel size
1.12 µm
1.75 µm
Pixel Binning
--
--
Sensor size
1/5
--
4
Camera type
--

Portrait mode (depth)
Resolution
2 Mpx
Sensor
Unknown
Type
--
Aperture
ƒ/ --
Pixel size
1.75 µm
Pixel Binning
--
Sensor size
--

Features

Flash LED LED
Optical Stabilisation No No
Slow Motion Video Yes,
960 fps
Yes,
960 fps
Others
  • 8K Video
  • 4K Video
  • Digital zoom
  • Triple camera
  • Digital image stabilization
  • Manual focus
  • Autofocus
  • Touch focus
  • Face detection
  • Continuous shooting
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • HDR
  • RAW
  • Panorama
  • Geotagging
  • White balance settings
  • 4K Video
  • Digital zoom
  • Quadruple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • RAW

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 20 Mpx 20 Mpx
Sensor Samsung S5K3T2 Unknown
Type CMOS --
Aperture ƒ/ 2.45 ƒ/ 2.0
Pixel size 0.80 µm 0.90 µm
Pixel Binning 1-4 (2x2) --
Sensor size 1/3.4 --
Others
--
--

DxOMark Score

DxOMark Score --
84
Mobile
87
Photo
78
Video

User reviews

Quality of daytime photos
--
9.2
Quality of nighttime photos
--
7.5
Quality of selfies
--
8.5
Does it have a powerful flash?
--
8.4
Number of reviews
--
717 reviews

Connectivity

Network compatibility

5G
  • n1 (2100)
  • n3 (1800)
  • n28a (700)
  • n41 (2500)
  • n77 (3700)
  • 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)
  • B17 (700)
  • B18 (800)
  • B19 (800)
  • B20 (800)
  • B26 (850)
  • B28a (700)
  • B34 (TDD 2100)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B42 (TDD 3500)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B6 (800)
  • B8 (900)
  • B19 (800)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • CDMA BC0 (800)
  • 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 MiMO
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi MiMO

Bluetooth

Version Bluetooth 5.2 LE Low energy consumption Bluetooth 5.0 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • LDAC
  • SBC
  • AAC
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)

Navigation

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

USB

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

-- 0.997 W/Kg on head
1.466 W/Kg on body
American measurement

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

-- 1.150 W/Kg on head
1.180 W/Kg on body

Others

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

User reviews

Does it have good coverage for calls?
--
9.2
Quality of the GPS
--
9.0
And the WiFi?
--
9.0
Number of reviews
--
717 reviews

Battery

Battery

Capacity
4520 mAh
4500 mAh
Type Li-Polymer Li-Polymer
Fast charge Yes,
33.0W
Yes,
18.0W
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
--
  • 1%
    Less than half day
  • 5%
    Less than a day
  • 24%
    One day
  • 56%
    More than one day
  • 15%
    Two days or more
Number of reviews
--
717 reviews

Software

Software

Operating System
  • MIUI V12 (Android 11)
    Android 11 Red Velvet Cake, 1 year ago
  • MIUI V12 (Android 11)
    Android 11 Red Velvet Cake, 1 year ago
Google Services (official) No Yes

User reviews

Did it come with preinstalled applications?
--
  • 5%
    It comes with a clean operating system
  • 87%
    It has preinstalled apps but they don't bother me
  • 8%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
--
  • 1%
    Never
  • 4%
    Once a year
  • 47%
    Every six months
  • 48%
    Every two months or less
Number of reviews
--
717 reviews

Prices

Prices

Prices

Prices for the version CN  •  6GB  •  128GB Change

Prices

Prices for the version Global  •  6GB  •  64GB Change