Xiaomi 12S Ultra (512GB) vs Samsung Galaxy S8 (SM-G950N)
Side by side comparison between Xiaomi 12S Ultra vs Samsung Galaxy S8 phones, differences, pros, cons and full specifications. What's the better?
,
6.73"
AMOLED
AMOLED
1440x3200
50
MP
MP
32mp
12GB
RAM
RAM
Octa-core
4860
mAh
mAh
(Non removable)
vs
5.8"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 12S Ultra (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!
25 Advantages 
13 Advantages | 25 Common items in both devices |
| LDAF/PDAF: laser/phase detection autofocus / PDAF on back camera and autofocus front camera |
| OIS: Optical stabilization |
| BSI sensor |
| HDR photo/video on both cameras |
| Capacitive |
| Multitouch |
| Accelerometer |
| +18 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 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| Model | 12S Ultra (512GB) | Galaxy S8 (SM-G950N) |
| Other model names | 小米12S Ultra 5G (2203121C) 12GB RAM | Galaxy S8 SM-G950S (SKT), SM-G950K (KT), SM-G950L (LG U+) |
| Country or region available |  (Global, International) |  South Korea |
| Brand | Xiaomi | Samsung |
| Release date | 7/9/2022, Announced: 7/4/2022 | 4/21/2017, Announced: 3/29/2017 |
| Depth | 9 millimeters (0.35 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 74.97 x 163.17 millimeters (2.95 x 6.42 in) | 68.1 x 148.9 millimeters (2.68 x 5.86 in) |
| Weight | 225 grams (7.88 ounces) | 155 grams (5.43 ounces) |
| Build, materials | Aluminum frame, glass front, leather back | Aluminum frame, glass front/back |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.73" inches | 5.8" inches |
| Screen-to-body ratio | ~89.4% (screen-to-body ratio) | ~84.2% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 1440x2960 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 521 PPI | 568 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 5 |
| Refresh rate | 120Hz | 60Hz |
| Display features | 1000nits[typ], 1500nits[peak] Dolby Vision/HDR10+ | HDR10 |
🤖 Operating System | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| System version | Android 12 | Android 7.0 Nougat |
| Firmware update | Android 13 | Android 9.0 Pie |
| User Interface | MIUI 13 / 14 | feature not registered |
⚙️ Processor | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| Chipset | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) | 64bit: Samsung Exynos 8895 (10nm) |
| CPU | Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core) | Octa-core, 2 processors: 4x 2.3GHz M2 Mongoose (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 730 (818MHz) | ARM Mali-G71 MP20 (546MHz) |
| Performance (benchmark) | AnTuTu: 1039412 (v9) Geekbench: 4300 (v5.1) GFXBench: 51fps (ES 3.1 onscreen) | AnTuTu: 204469 (v7) |
💽 Memory and storage | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| RAM memory | 12GB LPDDR5 | 4GB LPDDR4X |
| Internal storage | 512GB (455GB available) UFS 3.1 | 64GB (51GB available) UFS 2.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 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 | Tri-Band 900/1800/1900 |
| Primary 2G network | CDMA 800, GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | TD-SCDMA 1900/2000 UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | LTE Cat16 (1,2,3,4,5,7,8,12,13,17,18,19,20,25,26,28) TD-LTE (38,39,40,41) |
| Primary 5G network | SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79) | 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 | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| Back camera (main camera) | (quad camera) 50 megapixels 48MP periscope telephoto f/4.1120mm1/2"0.8µmPDAFOIS5x-optical-zoom 48MP ultrawide f/2.213mm128°1/2"0.8µmDual-PixelPDAF 0.3MP TOF 3D depth | 12.2 megapixels |
| Main camera resolution | 8160x6120 pixels | 4032x3024 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.7 (aperture) |
| Focal length | 23mm (lens) | 26mm (lens) |
| Sensor size | 1/1" inches | 1/2.55" inches |
| Pixel size | 1.6µm pixel | 1.4µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF on back camera and autofocus front camera |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video on both cameras |
| Camera extras | 4K@60fps 1080p@480fps Sony IMX989 Leica optics | feature not registered |
📸 Front camera | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| Front camera (secondary) | 32 megapixels | 8 megapixels |
| Front camera resolution | 6528x4896 pixels | 3264x2448 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 2K UHD (2560x1440) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | f/1.7 (aperture) |
| Focal length | 25mm (lens) | 25mm (lens) |
| Sensor size | feature not registered | 1/3.6" inches |
| Pixel size | 0.7µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Tuned by Harman Kardon | Supported |
| Active noise cancellation | 2 microphones or more | 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 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.2 + 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, QZSS, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Virtual proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4860 mAh | 3000 mAh |
| Charger, watts | 67W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 15W (9V/1.67A) Wired fast charging Quick Charge 2 |
| Inductive / wireless charging | 50W Qi wireless charging 10W Reverse wireless charging | Qi wireless charging (Qi/PMA) |
| Talk time autonomy | feature not registered | 29 hours (1.2 days) |
| Standby | feature not registered | 326 hours (13.6 days) |
➕ Other features | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| 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, Dark Green | • Colors: Black, Silver, Blue, Gold, Orchid Gray • Samsung DeX (desktop experience) • Curved edge screen • Corning Gorilla Glass 5 back panel • Samsung Gear VR compatible • Samsung Pay • 32bit/192kHz audio |
☢️ Radiation rate | ||
| Xiaomi 12S Ultra (512GB) | Galaxy S8 (SM-G950N) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.546W/kg (head), 0.616W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |