Xiaomi Poco X4 Pro 5G vs Samsung Galaxy S21

63 out of 100

70 out of 100

Here we compared two smartphones: the 6.67-inch Xiaomi Poco X4 Pro 5G (with Qualcomm Snapdragon 695) that was released on February 28, 2022, against the Samsung Galaxy S21, which is powered by Exynos 2100 and came out 14 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Differences
Review
Specs
Benchmarks
Battery life
Camera
Comments

Key differences

An overview of the main advantages of each smartphone

Reasons to consider the Xiaomi Poco X4 Pro 5G

Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
Shows 20% longer battery life (30:54 vs 25:44 hours)
Newer Bluetooth version (v5.1)
Expandable storage via MicroSD card up to 1024GB
Supports higher wattage charging (67W versus 25W)
Has a 0.47 inch larger screen size
The phone is 1-year and 2-months newer
Includes a 3.5 mm headphone audio jack port
Has a built-in infrared port

Reasons to consider the Samsung Galaxy S21

95% better performance in AnTuTu Benchmark (806K versus 414K)
Handles wireless charging up to 15W
Optical image stabilization
Waterproof body (IP68 classification)
The rear camera has a 1.1x optical zoom
Slow-motion recording at 960FPS
Ability to record video in 4K resolution
Uses a faster type of memory: LPDDR5 2750 MHz
Compatible with Wi-Fi 6 wireless networks
Delivers 15% higher peak brightness (864 against 754 nits)
The front-facing camera can record video at 4K

Review

Evaluation of Xiaomi Poco X4 Pro 5G and Samsung Galaxy S21 crucial features

Display

Screen quality, color accuracy, brightness

Type	AMOLED	Dynamic AMOLED
Size	6.67 inches	6.2 inches
Resolution	1080 x 2400 pixels	1080 x 2400 pixels
Aspect ratio	20:9	20:9
PPI	395 ppi	421 ppi
Refresh rate	120 Hz	120 Hz
Adaptive refresh rate	No	No
Max rated brightness	700 nits	800 nits
HDR support	No	Yes, HDR10+
Screen protection	Corning Gorilla Glass 5	Gorilla Glass Victus
Screen-to-body ratio	86%	87.2%
Display features	- DCI-P3 - Always-On Display	- DCI-P3 - Always-On Display

RGB color space	89.4%	99.5%
PWM	479 Hz	240 Hz
Response time	1 ms	5 ms
Contrast	∞ Infinity	∞ Infinity

Height	164.19 mm (6.46 inches)	151.7 mm (5.97 inches)
Width	76.1 mm (3 inches)	71.2 mm (2.8 inches)
Thickness	8.12 mm (0.32 inches)	7.9 mm (0.31 inches)
Weight	205 g (7.23 oz)	169 g (5.96 oz)
Waterproof	IP53	IP68
Rear material	Glass	Plastic
Frame material	Plastic	Metal
Colors	Black, Blue, Yellow	White, Gray, Pink, Purple
Fingerprint scanner	Yes, in-button	Yes, in-display

Chipset	Qualcomm Snapdragon 695	Samsung Exynos 2100
Max clock	2200 MHz	2900 MHz
CPU cores	8 (2 + 6)	8 (1 + 3 + 4)
Architecture	- 6 cores at 1.8 GHz: Kryo 660 Silver (Cortex-A55) - 2 cores at 2.2 GHz: Kryo 660 Gold (Cortex-A78)	- 4 cores at 2.2 GHz: Cortex-A55 - 3 cores at 2.81 GHz: Cortex-A78 - 1 core at 2.91 GHz: Cortex-X1
Lithography process	6 nanometers	5 nanometers
Graphics	Adreno 619	Mali-G78 MP14
GPU shading units	256	896
GPU clock	950 MHz	854 MHz
FLOPS	~486.4 GFLOPS	~1530.4 GFLOPS

CPU	149013	150223
GPU	79885	340353
Memory	84858	151885
UX	97055	158712
Total score	414496	806977

Max surface temperature	38.1 °C	38.9 °C
Stability	99%	66%
Graphics test	7 FPS	34 FPS
Graphics score	1201	5714

Web score	8026	12591
Video editing	4629	7113
Photo editing	19898	29385
Data manipulation	7941	10438
Writing score	11999	16561

RAM size	6, 8 GB	8 GB
Memory type	LPDDR4X	LPDDR5
Memory clock	2133 MHz	2750 MHz
Channels	2	2

Storage size	128, 256 GB	128, 256 GB
Storage type	UFS 2.2	UFS 3.1
Memory card	MicroSD	No
Memory card max size	Up to 1024 GB	-

Operating system	Android 11 (Can be upgraded to Android 13)	Android 11 (Can be upgraded to Android 13)
ROM	MIUI 14	One UI 5.1
OS size	26 GB	28.1 GB

Capacity	5000 mAh	4000 mAh
Max charge power	67 W	25 W
Battery type	Li-Po	Li-Ion
Replaceable	No	No
Wireless charging	No	Yes (15 W)
Reverse charging	No	Yes, (wireless)
Fast charging	Yes (75% in 30 min)	Yes (55% in 50 min)
Full charging time	0:49 hr	1:35 hr

Battery life tests
Web browsing	10:25 hr	07:27 hr
Watching video	13:33 hr	12:26 hr
Gaming	06:45 hr	04:31 hr
Standby	100 hr	92 hr

Main camera
Matrix	108 megapixels	12 megapixels
Image resolution	12032 x 9024	4000 x 3000
Zoom	Digital	Optical, 1.1x
Flash	LED	Dual LED
Stabilization	Digital	Optical
8K video recording	No	Up to 24FPS
4K video recording	No	Up to 60FPS
1080p video recording	Up to 30FPS	Up to 60FPS
Slow motion	120 FPS (720p)	960 FPS (720p)
Angle of widest lens	118°	120°
Lenses	3 (108 MP + 8 MP + 2 MP)	3 (12 MP + 64 MP + 12 MP)
Wide (main) lens	- 108 MP - Aperture: f/1.9 - Focal length: 26 mm - Pixel size: 0.7 micron - Sensor: 1/1.52", Samsung S5KHM2 (ISOCELL Plus CMOS) - Phase autofocus (Dual Pixel)	- 12 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 1.8 micron - Sensor: 1/1.76", Sony IMX555 (Exmor-RS CMOS) - Phase autofocus (Dual Pixel) - Optical stabilization
Telephoto lens	-	- 64 MP - Aperture: f/2.0 - Focal length: 28 mm - Pixel size: 0.8 micron - Sensor: 1/1.72", Samsung Bright S5KGW2 (ISOCELL Plus CMOS) - Phase autofocus (Dual Pixel) - Optical stabilization
Ultra-wide lens	- 8 MP - Aperture: f/2.2 - Pixel size: 1.14 micron - Sensor: 1/2.8", Sony IMX355 (Exmor-RS CMOS)	- 12 MP - Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.4 micron - Sensor: 1/2.55", Sony IMX563 (Exmor-RS CMOS) - Phase autofocus (Dual Pixel)
Macro lens	- 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron - Sensor: 1/5", GalaxyCore GC02M1 (CMOS)	-
Camera features	- Bokeh mode - Pro mode	- Bokeh mode - Pro mode - RAW support
Samples	-	Photo samples of Samsung Galaxy S21 from DxOMark

Selfie camera
Megapixels	16 megapixels	10 megapixels
Image resolution	4608 x 3456	3872 x 2592
Aperture	f/2.5	f/2.2
Focal length	-	26 mm
Pixel size	1 microns	1.22 microns
Sensor type	CMOS	CMOS
Sensor size	1/3.06"	1/3.24"
Video resolution	1080p (Full HD) at 30 FPS	2160p (4K) at 60 FPS

Wi-Fi standard	Wi-Fi 5 (802.11 a/b/g/n/ac)	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 MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	5.1	5
Bluetooth features	LE, A2DP	LE, A2DP
USB type	USB Type-C	USB Type-C
USB version	2	3.2
USB features	- Charging - USB-Storage mode - OTG	- Charging - USB-Storage mode - USB-Host mode - OTG
GPS	GPS, GLONASS, Beidou, Galileo	GPS, GLONASS, Beidou, Galileo
NFC *	Depends on the region	Yes
Infrared port	Yes	No

Number of SIM *	2	2
Type of SIM card	Nano	Nano
Multi SIM mode	Standby	Standby
eSIM support *	No	Yes
Hybrid slot	Yes	No
LTE Cat *	18	24
5G support	Yes	Yes

Speakers	Stereo	Stereo
Headphone audio jack	Yes	No
FM radio	Yes	No
Dolby Atmos	Yes	Yes

Category	Mid-range	Flagship
Announced	February 2022	January 2021
Release date	March 2022	February 2021
SAR (head)	-	0.46 W/kg
SAR (body)	-	1.51 W/kg
Sensors	- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint
Bundled charger	Yes, 67 W	-

Xiaomi Poco X4 Pro 5G vs Samsung Galaxy S21

Xiaomi Poco X4 Pro 5G vs Samsung Galaxy S21

Key differences

Review

Value for money

Tests and specifications

Display

Design and build

Performance

Benchmarks

Memory

Software

Battery

Camera

DxOMark camera tests

Connectivity

Sound

Other

Conclusion