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Redmi K40 vs Google Pixel 4a

Redmi K40 XiaomiRedmi K40
VS
Google Pixel 4a GooglePixel 4a

The third device is shown on desktop screens only

Redmi K40 Redmi K40 Xiaomi Price $360 Full specs
Google Pixel 4a Google Pixel 4a Google Lowest price Price $350 Full specs

General

Device Type
Smart Phone
Smart Phone
Device Name
Redmi K40M2012K11AC
Google Pixel 4aG025JGA02099
Announced
February 2021
August 2020
Released
March 2021
August 2020
Colors
BlackWhiteAurora
Just BlackBarely Blue

Design

Length
163.7 mm (6.44 in)
144 mm (5.67 in)
Width
76.4 mm (3.01 in)
69.4 mm (2.73 in)
Thickness
7.8 mm (0.31 in)
8.2 mm (0.32 in)
Weight
196 g (6.91 oz)
143 g (5.04 oz)
Materials
—
Glass front (Gorilla Glass 3)Plastic backPlastic frame

Network

2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
5G Network
Yes
—
GPRS
Yes
Yes
EDGE
Yes
Yes
SIM
Nano SIM
Nano SIM/eSIM
Multi SIM
Dual SIM
—
Speed
3G Up to 42 MB4G Up to 2 GB5G Up to 7.5 GB
3G Up to 42 MB4G Up to 800 MB

Display

Display Type
Super AMOLED
OLED
Size
6.67 Inches
5.81 Inches
Refresh Rate
120 Hz
—
Resolution
1080x2400 Pixels (FHD+)
1080x2340 Pixels (FHD+)
Screen Ratio
85.9%
83.3%
Aspect Ratio
20:9
19.5:9
Pixel Density
395 PPI
443 PPI
Brightness Level
1300 Nits (Peak)900 Nits
—
Display Protection
Corning Gorilla Glass 5
Corning Gorilla Glass 3
Features
HDR10+Eye Care Display
HDR
On both: Always-on Display, Hole-punch Notch, Dark Mode, Capacitive, Multi-touch, 16M Colors

Hardware

Chipset
Qualcomm Snapdragon 870 5G
Qualcomm Snapdragon 730G
Manufacturing Technology
7 nm
8 nm
CPU Type
8 (Octa-core)
Octa-core
CPU
1x3.2 GHz (Kryo 585)3x2.42 GHz (Kryo 585)4x1.80 GHz (Kryo 585)
Octa-core:Dual-core 2.2 GHzHexa-core 1.8 GHz
GPU
Adreno 650
Adreno 618
RAM (Memory)
6/8/12 GB6 GB (128 GB)8 GB (128 GB)8 GB (256 GB)12 GB (256 GB)
6 GB
Internal Storage
128/256 GB
128 GB
Storage Type
UFS 3.1
UFS 2.1
Ram Type
LPDDR5
—
Card Slot
No
No

Software

OS
Android 11
Android 10
Update To
—
Android 11
User Interface
MIUI 12
—

Main camera

Camera Setup
Triple Camera
—
Resolution
48 MP + 8 MP + 5 MP
—
Camera
48 MP: Standard8 MP: Ultrawide5 MP: Macro
12.2 MP
Aperture Size
F/1.8 (48 MP)F/2.2 (8 MP)F/2.4 (5 MP)
F/1.7
Sensor
Sony IMX582 (48 MP)Sony IMX355 (8 MP)Samsung S5K5E9 (5 MP)
—
Stabilization
Electronic Stabilization (EIS)
—
Zoom
Digital Zoom
—
Slow Motion
FHD 1080P@120/240fpsFHD 1080P@960fps
—
Video
4K 2160P@30fpsFHD 1080P@30/60fps
4K 2160P@30fpsFHD 1080P@60/120fpsSlow MotionElectronic Stabilization (EIS)
Flash
Yes
Yes
More details (1)Camera Features
Camera Features
AI Scene Detection
Optical Stabilization (OIS)Digital Zoom
On both: Autofocus (AF), Night Mode, Portrait Mode, Pro Mode, Continuous shooting, Panorama, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Scene mode, Self-timer, Touch focus, White balance settings

Selfie Camera

Camera
20 MP
8 MP
Aperture Size
F/2.5
F/2.0
Video
FHD 1080P@30fpsElectronic Stabilization (EIS)
FHD 1080P@30fps
Slow Motion
HD 720P@120fps
—
Flash
No
No
More details (1)Camera Features
Camera Features
Night Mode
No extras
On both: Portrait Mode, Face Detection, Beauty Mode, Gesture Shot, HDR

Connectivity

Wi-Fi
a/b/g/n/ac/6
a/b/g/n/acDLNA
On both: Wi-Fi 802.11, Dual-band, Wi-Fi Direct, Hotspot
Bluetooth
5.1
5.0aptX HD
On both: A2DP, LE
Location
BDSNavIC
No extras
On both: GPS, A-GPS, GLONASS, GALILEO, QZSS
NFC
Yes
Yes
IR blaster
Yes
—
USB
USB Type-C 2.0
USB Type-C 3.1

Media

Loudspeaker
Yes - Stereo speakers
Yes - Stereo speakers
3.5mm jack
No
Yes
FM Radio
No24-bit/192kHz
No

Other specifications

Sensors
Color Spectrum
Barometer
On both: Accelerometer, Gyroscope, Proximity, Compass
Lock Type
Fingerprint (Side-mounted)
Fingerprint (Rear-mounted)
On both: Facial Recognition, Pattern, PIN, Password
Box Contents
Power Adapter (33 W)Protective Case
Phone Power Adapter (18 W)OTG Adapter
On both: Device, USB Cable, SIM Eject Tool, Quick start guide

Charging and Battery

Fast Charging
Yes - 33 W (100% in 52 min)
Yes - 18 W
Capacity
4520 mAh
3140 mAh

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Copyright © 2026 NXT Test. All Rights Reserved