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Xiaomi Redmi K40 vs Poco F3

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Xiaomi Redmi K40 vs Poco F3

71 out of 100
Xiaomi Redmi K40
VS
69 out of 100
Xiaomi Poco F3
Xiaomi Redmi K40
Xiaomi Poco F3

Here we compared two flagship smartphones: the 6.67-inch Xiaomi Redmi K40 (with Qualcomm Snapdragon 870 5G) that was released on February 25, 2021, against the Xiaomi Poco F3, which is powered by the same chip and came out 1 month after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi K40
  • 13% better performance in AnTuTu Benchmark (928K versus 825K)
Reasons to consider the Xiaomi Poco F3
  • More recent OS version: Android 13 versus 11

Review

Evaluation of Xiaomi Redmi K40 and Poco F3 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk ( * ) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation

Value for money

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Redmi K40
vs
Poco F3

Display

Type AMOLED AMOLED
Size 6.67 inches 6.67 inches
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 395 ppi 395 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No No
Max rated brightness 500 nits 700 nits
Max rated brightness in HDR 1300 nits 1300 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Screen-to-body ratio 85.9% 85.9%
Display features - DCI-P3
- Always-On Display
- DC Dimming 		- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space - 99.8%
PWM - 490 Hz
Response time - 3 ms
Contrast - ∞ Infinity
Peak brightness test (auto)

Design and build

Height 163.7 mm (6.44 inches) 163.7 mm (6.44 inches)
Width 76.4 mm (3.01 inches) 76.4 mm (3.01 inches)
Thickness 7.8 mm (0.31 inches) 7.8 mm (0.31 inches)
Weight 196 g (6.91 oz) 196 g (6.91 oz)
Waterproof IP53 IP53
Advanced cooling Vapor chamber -
Rear material Glass Glass
Frame material Plastic Plastic
Colors White, Black White, Black, Blue
Fingerprint scanner Yes, in-button Yes, in-button
Screen-to-body ratio

Performance

Tests of Xiaomi Redmi K40 and Xiaomi Poco F3 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 870 5G Qualcomm Snapdragon 870 5G
Max clock 3200 MHz 3200 MHz
CPU cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
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) 		- 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)
L3 cache 4 MB 4 MB
Lithography process 7 nanometers 7 nanometers
Graphics Adreno 650 Adreno 650
GPU shading units 1024 1024
GPU clock 670 MHz 670 MHz
FLOPS ~1372.1 GFLOPS ~1372.1 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
Redmi K40 +13%
928239
Poco F3
825024
CPU 243028 239796
GPU 339650 220054
Memory 145521 152780
UX 193409 207043
Total score 928239 825024
3DMark Wild Life Performance
Max surface temperature - 39.6 °C
Stability 92% 90%
Graphics test 25 FPS 25 FPS
Graphics score 4279 4305
PCMark 3.0
Redmi K40 +6%
11996
Poco F3
11359
Web score 9748 8270
Video editing 7085 6162
Photo editing 30197 29022
Data manipulation 9368 8912
Writing score 14909 14191

Memory

RAM
RAM size 6, 8, 12 GB 6, 8 GB
Memory type LPDDR5 LPDDR5
Memory clock 2750 MHz 2750 MHz
Channels 4 4
Storage
Storage size 128, 256 GB 128, 256 GB
Storage type UFS 3.1 UFS 3.1
Memory card No No

Software

Operating system Android 11 Android 11 (Can be upgraded to Android 13)
ROM MIUI 12.5 Enhanced MIUI 14
OS size - 21 GB

Battery

Capacity 4520 mAh 4520 mAh
Max charge power 33 W 33 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (70% in 30 min) Yes (67% in 30 min)
Full charging time 0:52 hr 0:56 hr
Battery life tests
Web browsing - 11:06 hr
Watching video - 14:32 hr
Gaming - 05:39 hr
Standby - 83 hr
General battery life

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 48 megapixels
Image resolution 8000 x 6000 8000 x 6000
Zoom Digital Digital
Flash LED 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 (720p) 960 FPS (1080p)
Angle of widest lens 119° 119°
Lenses 3 (48 MP + 8 MP + 5 MP) 3 (48 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
- 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.0", Sony IMX582 (Exmor-RS 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
- Pixel size: 1.12 micron
- Sensor: 1/4.0", Sony IMX355 (CMOS)
Macro lens - 5 MP
- Aperture: f/2.4
- Focal length: 50 mm
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
- 5 MP
- Focal length: 50 mm
- Pixel size: 1.75 micron
- Sensor: 1/5.0", Samsung S5K5E8 (CMOS)
- Phase autofocus
Camera features - Bokeh mode
- Pro mode 		- Bokeh mode
- Pro mode
Selfie camera
Megapixels 20 megapixels 20 megapixels
Image resolution 4608 x 3456 4608 x 3456
Aperture f/2.5 f/2.5
Focal length 26 mm 26 mm
Pixel size 0.8 microns 0.8 microns
Sensor type CMOS CMOS
Sensor size 1/3.4" 1/3.4"
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 6 (802.11 a/b/g/n/ac/ax)
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 No
LTE Cat * 20 20
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness

Other

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

Conclusion

If the gaming and battery life are more important to you, then choose the Xiaomi Redmi K40 . But if the software is more of a priority – go for the Xiaomi Poco F3 .

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