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Y55s (2021) vs Poco X3 Pro

Vivo Y55s (2021) vs Xiaomi Poco X3 Pro

What Y55s (2021) does better (5) and where Poco X3 Pro wins (10) — every spec side by side.

Vivo · 2021Y55s (2021)

6.1Score

5 advantages≈ $230

Xiaomi · 2021Poco X3 Pro

6.7Score

10 advantages≈ $230

Higher score

4.5Display5.5

4.6Camera6.7

7.0Battery7.3

5.0Features4.7

Dimensions

Size comparison

Y55s (2021)Poco X3 Pro

	Y55s (2021)	Poco X3 Pro	Difference
Height	163.9 mm	165.3 mm	−1.4 mm
Width	75.3 mm	76.8 mm	−1.5 mm
Thickness	9.2 mm	9.4 mm	−0.2 mm
Weight	200 g	215 g	−15 g

Drawn to the same scale from the official dimensions (front and side).

Why is Y55s (2021) better than Poco X3 Pro?

5GYes · Poco X3 Pro: No
Battery capacity6,000 mAh vs 5,160 mAh+16%
Main camera50 MP vs 48 MP+4%
Weight200 g vs 215 g+8%
Thickness9.2 mm vs 9.4 mm+2%

Why is Poco X3 Pro better than Y55s (2021)?

Refresh rate60 Hz vs 120 Hz2×
Wired charging18 W vs 33 W+83%
NFCNo · Y55s (2021): Yes
Stereo speakersNo · Y55s (2021): Yes
Selfie camera8 MP vs 20 MP2.5×
CPU frequency2.2 GHz vs 2.96 GHz+35%
Memory card slotNo · Y55s (2021): Yes
Rear cameras1 vs 22×
Ultra-wide cameraNo · Y55s (2021): Yes
Max video1080p vs 4K

Specifications

Side by side

Only differences	Vivo Y55s (2021)≈ $2306.1	Xiaomi Poco X3 Pro≈ $2306.7
Design
Weight	200 g	215 g
Thickness	9.2 mm	9.4 mm
Height	163.9 mm	165.3 mm
Width	75.3 mm	76.8 mm
Frame	Plastic	Plastic
Back	Plastic	Plastic
Ingress protection	—	IP53
Water resistance (IPx)	—	IPx3
Glass protection	—	Corning Gorilla Glass 6
Colours	Black, Blue, Pink	Phantom Black, Frost Blue, Metal Bronze
Display
Screen size	6.6″	6.7″
Panel	IPS LCD	IPS LCD
OLED panel	No	No
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,408 px	2,400 px
Pixel density	401 ppi	395 ppi
Refresh rate	60 Hz	120 Hz
Peak brightness	—	450 nits
Measured brightness	—	529 nits
Screen-to-body ratio	84.5%	84.6%
HDR	—	Yes
Performance
Chipset	Mediatek Dimensity 700	Qualcomm Snapdragon 860
Chip maker	MediaTek	Qualcomm
Process	7 nm	7 nm
CPU cores	8	8
CPU frequency	2.2 GHz	2.96 GHz
GPU	Mali-G57 MC2	Adreno 640
AnTuTu score	—	453,223
Geekbench 6 (multi-core)	—	2,574
3DMark Wild Life Extreme	—	979
Memory
RAM	8 GB	8 GB
Storage (max)	256 GB	256 GB
Storage (base)	128 GB	128 GB
Storage type	UFS 2.1	UFS 3.1
Memory card slot	No	Yes
Camera
Main camera	50 MP	48 MP
Main camera aperture	f/1.8	f/1.8
Main sensor size	—	1/2.0"
Rear cameras	1	2
Optical stabilisation	No	No
Ultra-wide camera	No	Yes
Telephoto camera	No	No
Max video	1080p	4K
4K video frame rate	—	30 fps
Selfie camera	8 MP	20 MP
4K selfie video	No	No
Battery
Battery capacity	6,000 mAh	5,160 mAh
Battery type	—	Li-Po
Wired charging	18 W	33 W
Charged in 30 min	—	59%
Wireless charging	No	No
Connectivity
5G	Yes	No
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 5	Wi-Fi 5
Bluetooth	5.1	5
NFC	No	Yes
USB	USB Type-C	USB Type-C 2.0
USB version	—	2
Infrared port	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS
Features
Stereo speakers	No	Yes
3.5 mm headphone jack	Yes	Yes
Loudspeaker loudness	—	-26.1 LUFS
Fingerprint sensor	Side	Side
Sensors	Fingerprint (side-mounted), accelerometer, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)	—	0.57 W/kg
Software
OS at launch	Android 11	Android 11
Platform	Android	Android
Interface	OriginOS	MIUI 13 for POCO