Samsung Galaxy S23 Ultra (SM-S918B/DS 512GB) vs Xiaomi Mi 8 Pro (128GB/8GB)
Side by side comparison between Samsung Galaxy S23 Ultra vs Xiaomi Mi 8 Pro phones, differences, pros, cons and full specifications. What's the better?
,
6.8"
AMOLED
AMOLED
1440x3088
200
MP
MP
12mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.21"
AMOLED
AMOLED
1080x2248
12
MP
MP
20mp
8GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S23 Ultra (SM-S918B/DS 512GB)
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!
24 Advantages 
4 Advantages | 28 Common items in both devices |
| Aluminum frame, glass front/back |
| Dynamic AMOLED / Super AMOLED |
| 16 million |
| Digital and optical zoom |
| PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
| OIS: Optical stabilization / OIS (4-axis): Optical stabilization |
| HDR photo/video on both cameras / HDR photo 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 | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| Model | Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) |
| Other model names | Galaxy S23 Ultra 5G (SM-S918B/Dual-SIM) | 小米8 Pro, Xiaomi 8 Pro (8GB RAM) M1807E8A, Xiaomi Ursa |
| Country or region available |  (Global, International) |  Taiwan, (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 2/17/2023, Announced: 2/1/2023 | 9/1/2018 |
| Depth | 8.9 millimeters (0.35 inches) | 7.6 millimeters (0.3 inches) |
| Size (width x height) | 78.1 x 163.4 millimeters (3.07 x 6.43 in) | 74.8 x 154.9 millimeters (2.94 x 6.1 in) |
| Weight | 234 grams (8.19 ounces) | 177 grams (6.2 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass Victus 2 | Aluminum frame, glass front/back |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| Display type | Dynamic AMOLED | Super AMOLED |
| Screen size | 6.8" inches | 6.21" inches |
| Screen-to-body ratio | ~89.5% (screen-to-body ratio) | ~83.8% (screen-to-body ratio) |
| Display resolution | 1440x3088 pixels | 1080x2248 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 501 PPI | 402 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus 2 | Gorilla Glass 5 |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1750nits[peak] HDR10+ Always-On Display | feature not registered |
🤖 Operating System | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| System version | Android 13 | Android 8.1 Oreo |
| Firmware update | Android 15 | Android 9.0 Pie |
| User Interface | One UI 5.1 / 6.0 / 7.0 | feature not registered |
⚙️ Processor | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm) | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) |
| CPU | 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) | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 740 | Qualcomm Adreno 630 710Mhz |
| Performance (benchmark) | AnTuTu: 1241613 (v9) Geekbench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| RAM memory | 12GB LPDDR5X | 8GB LPDDR4X |
| Internal storage | 512GB (454GB available) UFS 4.0 | 128GB (110GB available) UFS 2.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/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) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1920 Mbps | 1024/150 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | 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 | LTE Cat16 (Bands 1,2,3,4,5,7,8,12,17,20) TD-LTE (Bands 34,38,39,40,41) VoLTE |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 71) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | 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 | Not supported |
| Secondary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE |
📷 Camera | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| 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 | (dual camera) 12 megapixels 12MP telephoto f/2.41/3.4"1.0µmAF2x-optical-zoom |
| Main camera resolution | 20000x10000 pixels | 4000x3000 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
| Focal length | 24mm (lens) | feature not registered |
| Sensor size | 1/1.3" inches | 1/2.55" inches |
| Pixel size | 0.6µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS (4-axis): Optical stabilization |
| Zoom | Digital and optical zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 8K@24/30fps 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) HDR10+ | feature not registered |
📸 Front camera | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| Front camera (secondary) | 12 megapixels | 20 megapixels |
| Front camera resolution | 4000x3000 pixels | 5184x3840 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 3 microphones | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, DivX, XviD, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C jack with 3.5mm jack adapter |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.3 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 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 |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 3000 mAh |
| Charger, watts | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 18W Wired fast charging |
| Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/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: 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: Black (transparent back), Meteorite black, Twilight Gold • MIUI 10 • 600nit / DCI-P3 / HDR10 display • Always-On Display • Quick Charge 4.0+ • WiFi display |
☢️ Radiation rate | ||
| Galaxy S23 Ultra (SM-S918B/DS 512GB) | Xiaomi Mi 8 Pro (128GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.98W/kg (head), 1.1W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.963W/kg (head), 1.398W/kg (body) | feature not registered |