Oppo A55 vs Samsung Galaxy S23 Ultra

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

HSDPA 850, 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 5, 8, 38, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - USA
5G network

-

5G band 1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA; SA/NSA/Sub6 - global version
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.5 Mbps
LTE speed

LTE, 391 Mbps download, 150 Mbps upload

LTE-A (7CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
SIM

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

Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)
Height

163.6 mm

163.4 mm
Width

75.7 mm

78.1 mm
Thickness

8.4 mm

8.9 mm
Weight

193 g

234 g
Stylus

-

Yes
Payment

-

Samsung Pay (Visa, MasterCard certified)
Waterproof

-

IP68 (1.5m and 30 mins)
Dust proof

-

IP68
Build features

-

Armor aluminum frame with tougher drop and scratch resistance
Colors

Black, Blue, Green

Black, Blue, Cream, Green, Graphite, Lavender, Lime, Red, BMW M Edition

Display
Display type

IPS LCD

Dynamic AMOLED 2X
Physical size

6.51 inches

6.8 inches
Resolution

720 x 1600 pixels

1440 x 3088 pixels
Pixel density

270 ppi

500 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, AGC Dragontrail glass - NEG T2X-1

Scratch resistant, Corning Gorilla Glass Victus 2
Display features

480 nits (typ), 550 nits (peak)

120Hz, HDR10+, 1750 nits (peak), Always-on display

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 50 MP, f/1.8 , 77˚ , 26 mm

(wide) , 200 MP, f/1.7 , 85˚ , 24 mm, 1/1.3" , 0.6 µm, 100x digital zoom
(macro) , 2 MP, f/2.4

(periscope telephoto) , 10 MP, f/4.9 , 230 mm, 1/3.52" , 1.12 µm, 10x optical zoom
(depth) , 2 MP, f/2.4

(telephoto) , 10 MP, f/2.4 , 70 mm, 1/3.52" , 1.12 µm, 3x optical zoom
(ultrawide) , 12 MP, f/2.2 , 120˚ , 13 mm, 1/2.55" , 1.4 µm
Primary camera resolution

8160 x 6144 pixels

-
Primary camera video

1080p@30fps

8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps, HDR10+, stereo sound rec., gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, 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

Autofocus, continuous shooting, digital zoom, optical zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus, expert RAW, astro hyperlapse, adaptive VDIS

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 16 MP, f/2.0 , 26 mm

(wide) , 12 MP, f/2.2 , 26 mm, 80˚
Selfie camera resolution

4608 x 3456 pixels

-
Selfie camera features

Face unlock, face detection, HDR

Autofocus, HDR, phase detection autofocus
Selfie camera video

1080p@30fps

4K@30/60fps, 1080p@30fps

Connectivity
WLAN

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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 6E
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
WiFi Tri-Band

-

Yes
USB

Type-C 2.0

Type-C 3.2
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX

-
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-