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Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) vs Xiaomi Poco X3 Pro (Global 256GB)

Side by side comparison between Samsung Galaxy S23 Ultra vs Xiaomi Poco X3 Pro phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Poco X3 Pro X Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) 30Points
6.8"
AMOLED

1440x3088

200
MP

12mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
08Points Xiaomi Poco X3 Pro (Global 256GB) Compare Samsung Galaxy S23 Ultra X
6.67"
IPS

1080x2400

48
MP

20mp

8GB
RAM

Octa-core

5160
mAh

(Non removable)

What's the better phone? Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)} 30 Advantages Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) vs Poco X3 Pro (Global 256GB)} 8 Advantages Xiaomi Poco X3 Pro (Global 256GB)
+8GB LPDDR5XAdvantage
This RAM type is better and more efficient.
vs8GB LPDDR4X
+UFS 4.0Advantage
Fastest write and read storage.
vsUFS 3.1
+8.9 millimeters (0.35 inches)6%
Thinner
vs9.4 millimeters (0.37 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsTFT IPS LCD
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsHDR10
+1440x3088 pixels72%
Higher resolution screen
vs1080x2400 pixels
+501 PPI27%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs395 PPI
+6.8"2%
Larger screen
vs6.67"
+(quad camera) 200MP + 10MP + 10MP + 12MP3 times
Higher resolution main camera
vs(quad camera) 48MP + 8MP + 2MP + 2MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+1/1.3" inches54%
The larger sensor camera lets you take photos with better depth.
vs1/2" inches
+f/1.7 (aperture)6%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.8 (aperture)
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 13
+5G Sub6Advantage
The 5G Sub6 network is newer and faster
vs4G LTE-A
+(5G Sub6) 3000 Mbps3 times
Faster for surfing the internet and download files
vs(4G LTE-A) 800 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+UWB (Ultra Wideband)Advantage
Sensors help you use the device
vsNot supported
+45W36%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
vs33W
+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster
vs802.11 a/b/g/n/ac [wifi5]
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+5.3 + A2DP/LEAdvantage
Bluetooth 5.3 + A2DP/LE is newer and faster
vs5.0 + A2DP/LE
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsIP53 certified
3.36GHz 64bit Octa-core (4nm)vs+2.96GHz 64bit Octa-core (7nm)3%
More powerful processor, you can open your applications faster
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
234 grams (8.19 ounces)vs+215 grams (7.53 ounces)9%
Lighter
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
(front) 12MPvs+(front) 20MP66%
Higher resolution secondary camera to take pictures and selfies
5000 mAhvs+5160 mAh3%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general

24 Common items in both devices
256GB (218GB available) / 256GB (230GB available)
120Hz
16 million
PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
Capacitive
Multitouch
+17 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
ModelGalaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Poco X3 Pro (Global 256GB)
Other model namesGalaxy S23 Ultra 5G (SM-S918B/Dual-SIM)POCO X3 Pro M2102J20SG NFC (256GB+8GB RAM)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandSamsungXiaomi
Release date2/17/2023, Announced: 2/1/20233/24/2021, Announced: 3/22/2021
Depth8.9 millimeters (0.35 inches)9.4 millimeters (0.37 inches)
Size (width x height)78.1 x 163.4 millimeters (3.07 x 6.43 in)76.8 x 165.3 millimeters (3.02 x 6.51 in)
Weight234 grams (8.19 ounces)215 grams (7.53 ounces)
Build, materialsAluminum frame, glass front/back
Back: Gorilla Glass Victus 2
Plastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantIP53 certified: protection against dust and splashing

📲 Display

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
Display typeDynamic AMOLEDTFT IPS LCD
Screen size6.8" inches6.67" inches
Screen-to-body ratio~89.5% (screen-to-body ratio)~84.6% (screen-to-body ratio)
Display resolution1440x3088 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)501 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass Victus 2Gorilla Glass 6
Refresh rate120Hz120Hz
Display features1750nits[peak]
HDR10+
Always-On Display
450nits[typ]
HDR10

🤖 Operating System

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
System versionAndroid 13Android 11
Firmware updateAndroid 14Android 13
User InterfaceOne UI 5.1 / 6.0MIUI 12.5 / 13 / 14

⚙️ Processor

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
Chipset64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm)64bit: Qualcomm Snapdragon 860 (SM8150-AC) (7nm)
CPUOcta-core, 4 processors:
1x 3.36GHz ARM Cortex-X3 (Single-core)
2x 2.8GHz ARM Cortex-A710 (Dual-core)
2x 2.8GHz ARM Cortex-A715 (Dual-core)
3x 2GHz ARM Cortex-A510 (Triple-core)
Octa-core, 3 processors:
1x 2.96GHz Kryo 485 Gold (Single-core)
3x 2.42GHz Kryo 485 Gold (Triple-core)
4x 1.78GHz Kryo 485 Silver (Quad-core)
GPU graphical controllerQualcomm Adreno 740Qualcomm Adreno 640 (250-672MHz)
Performance (benchmark)AnTuTu: 1241613 (v9)
Geekbench: 4927 (v5.1)
GFXBench: 67fps (ES 3.1 onscreen)
AnTuTu: 483527 (v8)
Geekbench: 2574 (v5.1)
GFXBench: 38fps (ES 3.1 onscreen)

💽 Memory and storage

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
RAM memory8GB LPDDR5X8GB LPDDR4X
Internal storage256GB (218GB available)
UFS 4.0
256GB (230GB available)
UFS 3.1
External storageNot supportedUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload3000/1920 Mbps800/150 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Primary 5G networkSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 71)Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Secondary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Secondary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
Back camera (main camera)(quad camera)
200 megapixels
10MP periscope telephoto f/4.9230mm1/3.52"1.12µmPDAFOIS10x-optical-zoom
10MP telephoto f/2.470mm1/3.52"1.12µmPDAFOIS3x-optical-zoom
12MP ultrawide f/2.213mm120°1/2.55"1.4µmPDAFSuper-Steady
(quad camera)
48 megapixels
8MP ultrawide f/2.2119°1.0µm
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution20000x10000 pixels8000x6000 pixels
Video recording (primary)8K UHD (7680x4320) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/1.7 (aperture)f/1.8 (aperture)
Focal length24mm (lens)feature not registered
Sensor size1/1.3" inches1/2" inches
Pixel size0.6µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocus on both camerasPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extras8K@24/30fps
4K@30/60fps
1080p@30/60fps
1080p@240/960fps (slow motion)
HDR10+
1080p@960fps

📸 Front camera

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
Front camera (secondary)12 megapixels20 megapixels
Front camera resolution4000x3000 pixels5184x3840 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length26mm (lens)feature not registered
Sensor sizefeature not registered1/3.4" inches
Pixel sizefeature not registered0.8µm pixel

🔉 Sound and multimedia

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Stereo sound with dual speakers
Active noise cancellation3 microphones2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.3 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedSupported

🧭 Sensors

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
UWB (Ultra Wideband)
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5000 mAh5160 mAh
Charger, watts45W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
33W Wired fast charging
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
Not supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Phantom Black, Cream, Green, Lavender, Graphite, Sky Blue, Lime, Red
• Samsung DeX
• Samsung Pay (Visa, MasterCard)
• S Pen (Stylus Pen): Bluetooth 2.8ms latency
• Colors: Phantom Black, Frost Blue, Metal Bronze
• Silicone Case included
• Cooling up to 6 °C
• LiquidCool 1.0 Plus

☢️ Radiation rate

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Xiaomi Poco X3 Pro (Global 256GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.98W/kg (head), 1.1W/kg (body)0.99W/kg (head), 0.67W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.963W/kg (head), 1.398W/kg (body)0.57W/kg (head), 0.9W/kg (body)
X

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