Xiaomi Redmi K40 vs Mi 11 Lite

Here we compared two smartphones: the 6.67-inch Xiaomi Redmi K40 (with Qualcomm Snapdragon 870 5G) that was released on February 25, 2021, against the Xiaomi Mi 11 Lite, which is powered by Qualcomm Snapdragon 732G and came out 1 month after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi K40
  • 2x better performance in AnTuTu Benchmark (712K versus 349K)
  • Delivers 56% higher maximum brightness (1290 against 826 nits)
  • Higher display refresh rate – 120 Hz
  • Slow-motion recording at 960FPS
  • Uses a faster type of memory: LPDDR5 2750 MHz
  • Faster storage type - UFS 3.1 versus UFS 2.2
  • Supports Dolby Atmos sound technology
  • 83% faster in single-core GeekBench 5 test: 1016 and 556 points
Reasons to consider the Xiaomi Mi 11 Lite
  • Expandable storage via MicroSD card up to 512GB
  • Weighs 39 grams less
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Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type Super AMOLED AMOLED
Size 6.67 inches 6.55 inches
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 395 ppi 402 ppi
Refresh rate 120 Hz 90 Hz
HDR support Yes, HDR10+ Yes, HDR10
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Screen-to-body ratio 85.9% 85.3%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
Display tests
RGB color space - 95.4%
PWM - 373 Hz
Response time - 2.6 ms
Contrast - ∞ Infinity
Max. Brightness
Redmi K40 +56%
1290 nits
826 nits
Sources: NotebookCheck [3]

Design and build

Height 163.7 mm (6.44 inches) 160.5 mm (6.32 inches)
Width 76.4 mm (3.01 inches) 75.7 mm (2.98 inches)
Thickness 7.8 mm (0.31 inches) 6.8 mm (0.27 inches)
Weight 196 gramm (6.91 oz) 157 gramm (5.54 oz)
Waterproof IP53 IP53
Rear material Glass Glass
Frame material Plastic Plastic
Colors White, Black Black, Blue, Pink
Fingerprint scanner Yes, in home button Yes, in home button
Screen-to-body ratio
Redmi K40 +1%
85.9%
85.3%

Performance

Tests of Xiaomi Redmi K40 and Xiaomi Mi 11 Lite in the benchmarks
SoC
Chipset Qualcomm Snapdragon 870 5G Qualcomm Snapdragon 732G
Max. clock 3200 MHz 2300 MHz
CPU cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4 cores at 1.8 GHz: Kryo 585 Silver (Cortex-A55)
- 3 cores at 2.42 GHz: Kryo 585 Gold (Cortex-A77)
- 1 core at 3.2 GHz: Kryo 585 Prime (Cortex-A77)
- 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55)
- 2 cores at 2.3 GHz: Kryo 470 Gold (Cortex-A76)
L3 cache 4 MB 1 MB
Lithography process 7 nanometers 8 nanometers
Graphics Adreno 650 Adreno 618
GPU clock 675 MHz 810 MHz
FLOPS ~1372 GFLOPS ~435 GFLOPS
Memory
RAM size 6, 8, 12 GB 4, 6, 8 GB
Memory type LPDDR5 LPDDR4X
Memory clock 2750 MHz 1866 MHz
Channels 2 2
Storage
Storage size 128, 256 GB 64, 128 GB
Storage type UFS 3.1 UFS 2.2
Memory card No MicroSD
Memory card max. size - Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Redmi K40 +83%
1016
Geekbench 5 (Multi-Core)
Redmi K40 +96%
3482
1780
AnTuTu Benchmark 9
Redmi K40 +104%
712394
349377
CPU - 102867
GPU - 95513
Memory - 59601
UX - 94209
Total score 712394 349377
3DMark Wild Life Performance
Redmi K40 +284%
4257
1110
Stability 90% 99%
Graphics test 25 FPS 6 FPS
Graphics score 4257 1110
PCMark 3.0 score 12222 8396
Sources: 3DMark [3], [4]

Software

Operating system Android 11 Android 11
ROM MIUI 12.5 Enhanced MIUI 12

Battery

Specifications
Capacity 4520 mAh 4250 mAh
Charge power 33 W 33 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (70% in 30 min) Yes (57% in 30 min)
Full charging time 0:52 hr 1:08 hr

Battery life tests

Web browsing (Wi-Fi)
n/a
11:13 hr
Watching videos (Player)
n/a
14:23 hr
Talk (3G)
n/a
24:08 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 64 megapixels
Image resolution 8000 x 6000 9248 x 6936
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (1080p) 120 FPS (1080p)
Angle of widest lens 119° 119°
Lenses 3 (48 MP + 8 MP + 5 MP) 3 (64 MP + 8 MP + 5 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.0" (CMOS)
- Phase autofocus
- 64 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.7 micron
- Sensor: 1/1.97", Samsung GW3 (ISOCELL Plus CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
- 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4" (CMOS)
Macro lens - 5 MP
- Focal length: 50 mm
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
- 5 MP
- Aperture: f/2.4
- Sensor: 1/5" (CMOS)
- Phase autofocus
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 20 megapixels 16 megapixels
Image resolution 4608 x 3456 4608 x 3456
Aperture - f/2.5
Focal length 26 mm 25 mm
Pixel size 0.8 microns 1 microns
Sensor type CMOS CMOS
Sensor size 1/3.4" 1/3.06"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 60 FPS

Connectivity

Wi-Fi standard Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.1 5.1
Bluetooth features LE, HID, A2DP LE, HID, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo, NAVIC GPS, GLONASS, Beidou, Galileo, NAVIC
NFC* Yes Yes
Infrared port Yes Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No Yes
LTE Cat* 24 15
5G support Yes No

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes No
Speakers test
Max. loudness
n/a
86.7 dB

Other

Category Flagship Mid-range
Announced February 2021 March 2021
Release date March 2021 April 2021
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Xiaomi Redmi K40 is definitely a better buy.

Cast your vote

So, which phone would you choose?
11 (84.6%)
2 (15.4%)
Total votes: 13

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