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Xiaomi Redmi K20 vs Poco X2

Here we compared two mid-range smartphones: the 6.39-inch Xiaomi Redmi K20 (with Qualcomm Snapdragon 730) that was released on May 28, 2019, against the Xiaomi Poco X2, which is powered by Qualcomm Snapdragon 730G and came out 8 months 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 K20
  • The rear camera has a 2x optical zoom
  • Delivers 29% higher maximum brightness (655 against 506 nits)
  • Super AMOLED display (versus competitor's IPS LCD)
  • Weighs 17 grams less
Reasons to consider the Xiaomi Poco X2
  • Higher display refresh rate – 120 Hz
  • Expandable storage via MicroSD card up to 256GB
  • Comes with 500 mAh larger battery capacity: 4500 vs 4000 mAh
  • 30% better performance in AnTuTu Benchmark (279K versus 215K)
  • The phone is 8-months newer
  • Has a built-in infrared port

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 IPS LCD
Size 6.39 inches 6.67 inches
Resolution 1080 x 2340 pixels 1080 x 2400 pixels
Aspect ratio 19.5:9 20:9
PPI 403 ppi 395 ppi
Refresh rate 60 Hz 120 Hz
HDR support Yes, HDR10 Yes, HDR10
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Screen-to-body ratio 86.1% 84.8%
Display features - Always-On Display -
Max. Brightness
Redmi K20 +29%
655 nits
506 nits

Design and build

Height 156.7 mm (6.17 inches) 165.3 mm (6.51 inches)
Width 74.3 mm (2.93 inches) 76.6 mm (3.02 inches)
Thickness 8.8 mm (0.35 inches) 8.8 mm (0.35 inches)
Weight 191 gramm (6.74 oz) 208 gramm (7.34 oz)
Waterproof No No
Rear material Glass Glass
Frame material Metal Plastic
Colors Black, Blue, Red Blue, Red, Purple
Fingerprint scanner Yes, in-display Yes, in home button
Screen-to-body ratio
Redmi K20 +2%
86.1%
84.8%

Performance

Tests of Xiaomi Redmi K20 and Xiaomi Poco X2 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 730 Qualcomm Snapdragon 730G
Max. clock 2200 MHz 2200 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55)
- 2 cores at 2.2 GHz: Kryo 470 Gold (Cortex-A76)
- 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55)
- 2 cores at 2.2 GHz: Kryo 470 Gold (Cortex-A76)
Lithography process 8 nanometers 8 nanometers
Graphics Adreno 618 Adreno 618
GPU clock 500 MHz 575 MHz
FLOPS ~386 GFLOPS ~422 GFLOPS
Memory
RAM size 6, 8 GB 6, 8 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 64, 128, 256 GB 64, 128, 256 GB
Storage type UFS 2.1 UFS 2.1
Memory card No MicroSD
Memory card max. size - Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
542
Poco X2 +2%
553
Geekbench 5 (Multi-Core)
1664
Poco X2 +3%
1715
AnTuTu Benchmark 7
223320
Poco X2 +2%
227085
AnTuTu Benchmark 8
215593
Poco X2 +30%
279434

Software

Operating system Android 9.0 (Can be upgraded to Android 10) Android 10
ROM MIUI 12 MIUI 11
OS size 11.3 GB -

Battery

Specifications
Capacity 4000 mAh 4500 mAh
Charge power 18 W 27 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes, Quick Charge 4.0 (50% in 30 min) Yes (100% in 70 min)
Full charging time 1:25 hr 1:10 hr

Battery life tests

Web browsing (Wi-Fi)
11:35 hr
n/a
Watching videos (Player)
17:19 hr
n/a
Talk (3G)
33:20 hr
n/a

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 64 megapixels
Image resolution 8000 x 6000 9000 x 7000
Zoom Optical, 2x Digital
Flash Dual 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 240FPS Up to 120FPS
Slow motion 960 FPS (1080p) 960 FPS (720p)
Angle of widest lens 124° 120°
Lenses 3 (48 MP + 8 MP + 13 MP) 4 (64 MP + 8 MP + 2 MP + 2 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.25", Sony IMX582 Exmor RS (BSI CMOS)
- Phase autofocus
- 64 MP
- Aperture: f/1.9
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.72", Sony IMX686 (Exmor-RS CMOS)
- Phase autofocus
Telephoto lens - 8 MP
- Aperture: f/2.4
- Focal length: 53 mm
- Pixel size: 1.12 micron
- Sensor: 1/4", Omnivision OV8865 (BSI CMOS)
- Phase autofocus
-
Ultra-wide lens - 13 MP
- Aperture: f/2.4
- Focal length: 12 mm
- Pixel size: 1.12 micron
- Sensor: 1/3.1", Samsung S5K3L6 (ISOCELL CMOS)
- 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4" (CMOS)
Macro lens - - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5" (CMOS)
Depth lens - - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5" (CMOS)
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 20 megapixels 20 megapixels
Image resolution 5184 x 3880 5963 x 3354
Aperture f/2.2 f/2.2
Focal length 18 mm 27 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) при 30 FPS 1080p (Full HD) при 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 b/g/n/ac) 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 5
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC* Yes No
Infrared port No 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* 15 15
5G support No No

Sound

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

Other

Category Mid-range Mid-range
Announced May 2019 February 2020
Release date July 2019 February 2020
Launch price ~ 250 USD ~ 212 USD
SAR (head) - 1.08 W/kg
SAR (body) - 0.62 W/kg
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

If the display, performance, and battery life are more important to you, then choose the Xiaomi Poco X2. But if the design is more of a priority – go for the Xiaomi Redmi K20.

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