Xiaomi Mi 8 Pro (128GB/8GB) vs Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)
Side by side comparison between Xiaomi Mi 8 Pro vs Samsung Galaxy S23 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
6.21"
AMOLED
AMOLED
1080x2248
12
MP
MP
20mp
8GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
6.8"
AMOLED
AMOLED
1440x3088
200
MP
MP
12mp
8GB
RAM
RAM
Octa-core
5000
mAh
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!
4 Advantages 
24 Advantages | 28 Common items in both devices |
| Aluminum frame, glass front/back |
| Super AMOLED / Dynamic AMOLED |
| 16 million |
| Digital and optical zoom |
| PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| OIS (4-axis): Optical stabilization / OIS: Optical stabilization |
| HDR photo on both cameras / HDR photo/video on both cameras |
| +21 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 | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Model | Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) |
| Other model names | 小米8 Pro, Xiaomi 8 Pro (8GB RAM) M1807E8A, Xiaomi Ursa | Galaxy S23 Ultra 5G (SM-S918B/Dual-SIM) |
| Country or region available |   Taiwan, (Global, International) | (Global, International) |
| Brand | Xiaomi | Samsung |
| Release date | 9/1/2018 | 2/17/2023, Announced: 2/1/2023 |
| Depth | 7.6 millimeters (0.3 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 74.8 x 154.9 millimeters (2.94 x 6.1 in) | 78.1 x 163.4 millimeters (3.07 x 6.43 in) |
| Weight | 177 grams (6.2 ounces) | 234 grams (8.19 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back Back: Gorilla Glass Victus 2 |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Display type | Super AMOLED | Dynamic AMOLED |
| Screen size | 6.21" inches | 6.8" inches |
| Screen-to-body ratio | ~83.8% (screen-to-body ratio) | ~89.5% (screen-to-body ratio) |
| Display resolution | 1080x2248 pixels | 1440x3088 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 402 PPI | 501 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass Victus 2 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1750nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| System version | Android 8.1 Oreo | Android 13 |
| Firmware update | Android 9.0 Pie | Android 15 |
| User Interface | feature not registered | One UI 5.1 / 6.0 / 7.0 |
⚙️ Processor | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm) |
| CPU | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core) | Octa-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) |
| GPU graphical controller | Qualcomm Adreno 630 710Mhz | Qualcomm Adreno 740 |
| Performance (benchmark) | feature not registered | AnTuTu: 1241613 (v9) Geekbench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| RAM memory | 8GB LPDDR4X | 8GB LPDDR5X |
| Internal storage | 128GB (110GB available) UFS 2.1 | 256GB (218GB available) UFS 4.0 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 1024/150 Mbps | 3000/1920 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat16 (Bands 1,2,3,4,5,7,8,12,17,20) TD-LTE (Bands 34,38,39,40,41) VoLTE | LTE 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 |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 71) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE 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 |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 12MP telephoto f/2.41/3.4"1.0µmAF2x-optical-zoom | (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 |
| Main camera resolution | 4000x3000 pixels | 20000x10000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 8K UHD (7680x4320) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | 1/2.55" inches | 1/1.3" inches |
| Pixel size | 1.4µm pixel | 0.6µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 8K@24/30fps 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) HDR10+ |
📸 Front camera | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Front camera (secondary) | 20 megapixels | 12 megapixels |
| Front camera resolution | 5184x3840 pixels | 4000x3000 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.9µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 3 microphones |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | Type-C jack with 3.5mm jack adapter | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.3 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 5000 mAh |
| Charger, watts | 18W Wired fast charging | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black (transparent back), Meteorite black, Twilight Gold • MIUI 10 • 600nit / DCI-P3 / HDR10 display • Always-On Display • Quick Charge 4.0+ • WiFi display | • 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 |
☢️ Radiation rate | ||
| Xiaomi Mi 8 Pro (128GB/8GB) | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.98W/kg (head), 1.1W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.963W/kg (head), 1.398W/kg (body) |