Xiaomi 12S Ultra vs Xiaomi Poco C55

Network
2G network

GSM 850, 900, 1800, 1900;CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41, 42

LTE frequency band 1, 3, 5, 8, 40, 41
5G network

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE, 301 Mbps download, 150 Mbps upload
GPRS

Class 33

Yes
EDGE

Class 33

Yes

Design
Build

Glass front (Gorilla Glass Victus), eco leather back, aluminum frame

Glass front (Panda Glass), eco leather back
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

163.2 mm

168.8 mm
Width

75 mm

76.4 mm
Thickness

9.1 mm

8.8 mm
Weight

225 g

192 g
Splash resistant

-

Yes
Dust proof

-

Yes
Colors

Black, Green

Black, Blue, Green

Display
Display type

LTPO2 AMOLED

IPS LCD
Physical size

6.73 inches

6.71 inches
Resolution

1440 x 3200 pixels

720 x 1650 pixels
Pixel density

522 ppi

268 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, Corning Gorilla Glass Victus

Scratch resistant, 2.5D curved glass screen, Panda glass
Display features

120Hz, Dolby Vision, HDR10+, 1000 nits (HBM), 1500 nits (peak)

-

Main camera
Camera type

Quad

Dual
Main camera

(wide) , 50 MP, f/1.9 , 23 mm, 1.0" , 1.6 µm

(wide) , 50 MP, f/1.8 , 0.64 µm, 10x digital zoom
(periscope telephoto) , 48 MP, f/4.1 , 120 mm, 1/2.0" , 0.8 µm

(depth) , 0.08 MP
128˚ , (ultrawide) , 48 MP, f/2.2 , 13 mm, 1/2.0" , 0.8 µm
Primary camera resolution

-

4160 x 1944 pixels
Primary camera video

8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@3840fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K, 1080p)

1080p@30fps
Primary camera optics

Leica lens

-
Primary camera flash

dual-LED flash

LED flash
Camera features

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, super night mode 2.0, HDR10 video recording

Autofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
WLAN DLNA

Yes

-
USB

Type-C 2.0

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive

-
Infrared

Yes

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

Yes

-