Xiaomi Redmi 9 vs Samsung Galaxy S23 Ultra Specs Comparison

Availability

Officially announced
	Feb 01, 2023
Prices (MSRP)
	8GB/256GB - $1200 | €1300 12GB/512GB - $1450 | €1589 12GB/1024GB - $1649 | €1749

Design

Dimensions
6.43 x 3.03 x 0.36 inches 163.32 x 77.01 x 9.1 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
6.98 oz / 198.0 g	8.25 oz / 234.0 g
Materials
	Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
	Water, Splash, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Features
	Stylus
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Carbon gray, Sunset purple, Ocean green	Phantom Black, Cream, Green, Lavender

Display

Size
6.5-inch, 83.27% screen-to-body	6.8-inch, 89.87% screen-to-body
Type
IPS LCD	Dynamic AMOLED, 120Hz, HDR, 1750 nits
Resolution
2340x1080px, 19.5:9 ratio, 395 PPI	3088x1440px, 19.3:9 ratio, 501 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass Victus 2
Features
Oleophobic coating

PhoneArena Display Test

Bright Max (20% APL)
Untested	1598 (Good)
Bright Min
1.5 (Good)	0.8 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
MediaTek Helio G80 (12 nm)	Snapdragon 8 Gen 2 SM8550 (4 nm)
Processor
Octa-core 2000 MHz Arm Cortex-A75 and Arm Cortex-A55	Octa-core 1x3.36GHz Kryo Prime 4x2.8GHz Kryo Gold 3x2.0GHz Kryo Silve
GPU
Mali G52 MC2	Adreno 740
Memory
3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB	8GB (LPDDR5X)/256GB (UFS 4.0) 12GB/256GB 12GB/512GB 12GB/1024GB
Storage expansion
microSDXC	not expandable
OS
Android	Android (14, 13)

PhoneArena Performance Test

GeekBench 6 Single
Untested	1971
GeekBench 6 Multi
Untested	5115
3D Mark High
Untested	3828
3D Mark Low
Untested	1951

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5020 mAh	5000 mAh, Li - Ion
Charging
Qualcomm Quick Charge 3.0	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 18.0W	Wired: 45.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 15min

Gaming

7h 3min

Battery Life Estimate

7h 17min

Browsing

18h 57min

Video

8h 54min

Gaming

10h 59min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Quad camera
Main camera
13 MP (PDAF) Aperture size: F2.2	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	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
5 MP (Macro) Aperture size: F2.4	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)	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	8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps) OIS, HDR
Front
8 MP (HDR) Video capture: 1080p	12 MP (PDAF) Video capture: 4K UHD (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

147

Overall

150

Photo

144

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0	5.3
WLAN
Yes Wi-Fi Direct, Hotspot 802.11 b, g, n	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, Compass, 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, Infrared	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 International version - n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
LTE Bands
1, 2, 3, 4, 5, 7, 8, 20, 28	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71 International version - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
TDD Bands
38, 40, 41	38, 39, 40, 41, 46, 48 International version - 38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Dual Nano SIM + eSIM
HD Voice
Yes
VoLTE
Yes

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

with 64GB storage

Memory	4GB/64GB

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
LTE Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
TDD Bands	38, 39, 40, 41

Discover more

Full Specs Xiaomi Redmi 9 Specs PA Review Xiaomi Redmi 9 Review

Full Specs Samsung Galaxy S23 Ultra Specs PA Review Samsung Galaxy S23 Ultra Review