OPPO A91 vs Samsung Galaxy S23 Ultra Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

	7.1
OPPO A91	Samsung Galaxy S23 Ultra
Released · Dec 20, 2019	Released · Feb 17, 2023
6.4-inch · 2400x1080px	6.8-inch · 3088x1440px
Dual camera	Quad camera
4GB · 128GB	8GB · 256GB
4025 mAh	5000 mAh
Check prices	Check prices

Availability

Officially announced
Dec 20, 2019	Feb 01, 2023
Prices (MSRP)
	$1200 \| €1300

Design

Dimensions
6.31 x 2.89 x 0.31 inches 160.2 x 73.3 x 7.9 mm	6.43 x 3.07 x 0.35 inches (~0.42 inches with camera bump) 163.3 x 78 x 8.9 mm (~10.68 mm with camera bump)
Weight
6.07 oz / 172.0 g	8.25 oz / 234.0 g
Materials
Back: Plastic Frame: Plastic	Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
	Water, Splash, Dust; IP68
Biometrics
Optical in-screen fingerprint	2D Face unlock, Ultrasonic in-screen fingerprint
Features
	Stylus
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Lightening Black, Unicorn White, Blazing Blue	Phantom Black, Cream, Green, Lavender

Display

Size
6.4-inch, 84.05% screen-to-body	6.8-inch, 89.87% screen-to-body
Type
AMOLED, 60Hz	Dynamic AMOLED, 120Hz, HDR, 1750 nits
Resolution
2400x1080px, 20:9 ratio, 411 PPI	3088x1440px, 19.3:9 ratio, 501 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass Victus 2

Hardware

System chip
Mediatek Helio P70 MT6771V (12 nm)	Snapdragon 8 Gen 2 SM8550 (4 nm)
Processor
Octa-core 2100 MHz Cortex-A73	Octa-core 1x3.36GHz Kryo Prime 4x2.8GHz Kryo Gold 3x2.0GHz Kryo Silve
GPU
Mali-G72 MP3	Adreno 740
Memory
4GB (LPDDR4)/128GB (UFS 2.1) 8GB/128GB	8GB (LPDDR5X)/256GB (UFS 4.0) 12GB/256GB 12GB/512GB 12GB/1024GB
Storage expansion
microSDXC	not expandable
OS
Android (9.0 Pie)	Android (14, 13)

Battery

Type
4025 mAh, Li - Polymer	5000 mAh, Li - Ion
Charging
SuperVOOC 3.0	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 20.0W	Wired: 45.0W Wireless: 15.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

7h 17min

Browsing

18h 57min

Video

8h 54min

Gaming

10h 59min

Camera

Rear
Dual camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Focal length: 26mm (wide) mm Sensor size: 1/2.3" Pixel size: 0.8 μm	200 MP (OIS, PDAF) Sensor name: Samsung ISOCELL HP2 Aperture size: F1.7 Focal length: 24 mm Sensor size: 1/1.3" Pixel size: 0.6 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/1.4" Pixel size: 1.12 μm	12 MP (Ultra-wide) Sensor name: Sony IMX564 Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
2 MP (Macro) Aperture size: F2.4 Sensor size: 1/1.5" Pixel size: 1.75 μm	10 MP (Telephoto) Sensor name: Sony IMX754 Optical zoom: 10.0x Aperture size: F4.9 Focal Length: 230 mm Sensor size: 1/3.52" Pixel size: 1.12 μm
Fourth camera
2 MP (Depth information) Aperture size: F2.4 Sensor size: 1/3.1" Pixel size: 1 μm	10 MP (Telephoto, OIS) Sensor name: Sony IMX754 Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 69 mm Sensor size: 1/3.52" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1080p (30 fps) HDR, Time-lapse video, EIS	8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps) OIS, HDR
Front
16 MP Video capture: 720p (30 fps)	12 MP (PDAF) Video capture: 4K UHD (60 fps)

N/A

Overall

N/A

Photo

N/A

Video

147

Overall

150

Photo

144

Video

Connectivity & Features

Bluetooth
4.2	5.3
WLAN
b,g,n,ac Wi-Fi Direct, Hotspot 802.11 b, g, n, ac	a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
	NFC, Ultra Wideband (UWB)

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
	n1, n7, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD) Bands
1, 3, 5, 7, 8	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 40, 41	38, 39, 40, 41, 46, 48
3G Bands
1, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
No
SIM type
Nano SIM	Dual Nano SIM + eSIM

Regulatory Approval

FCC approval
	Date approved: Dec 08, 2023 FCC ID value: A3LSMS918U
Measured SAR
	Head: 1.12 W/kg Body: 0.92 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.16 W/kg

Alternative variants

Comes with 8GB RAM


Memory	8GB

With 12GB RAM


Memory	12GB

With 12GB RAM and 512GB internal storage


Memory	12GB/512GB
Prices (MSRP)	$1450 \| €1589

With 12GB RAM and 1TB internal storage


Memory	12GB/1024GB
Prices (MSRP)	$1649 \| €1749

International


5G Bands	n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
4G (FDD) Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
4G (TDD) Bands	38, 39, 40, 41

Links

Full specifications
OPPO A91 Specs	Samsung Galaxy S23 Ultra Specs
PhoneArena Review
	Samsung Galaxy S23 Ultra Review
User Reviews
	Samsung Galaxy S23 Ultra User Reviews