Samsung Galaxy S8 (SM-G950U) vs Xiaomi 15 (Global 512GB/12GB)
Side by side comparison between Samsung Galaxy S8 vs Xiaomi 15 phones, differences, pros, cons and full specifications. What's the better?
,
5.8"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
6.36"
AMOLED
AMOLED
1200x2670
50
MP
MP
32mp
12GB
RAM
RAM
Octa-core
5240
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 15 (Global 512GB/12GB)
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!
12 Advantages 
25 Advantages | 27 Common items in both devices |
| Aluminum frame, glass front/back / Aluminum body, glass front |
| Super AMOLED / LTPO AMOLED |
| PDAF on back camera and autofocus front camera / PDAF: phase detection autofocus |
| OIS: Optical stabilization |
| BSI sensor |
| HDR photo/video on both cameras |
| Capacitive |
| +20 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 S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| Model | Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) |
| Other model names | Galaxy S8 G950U Unlocked (Snapdragon), Samsung Dream | Xiaomi 15 24129PN74G, 24129PN74I |
| Country or region available |  USA |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 4/21/2017, Announced: 3/29/2017 | 10/29/2024 |
| Depth | 8 millimeters (0.31 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 68.1 x 148.9 millimeters (2.68 x 5.86 in) | 71.2 x 152.3 millimeters (2.8 x 6 in) |
| Weight | 155 grams (5.43 ounces) | 192 grams (6.72 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front |
| 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 | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| Display type | Super AMOLED | LTPO AMOLED |
| Screen size | 5.8" inches | 6.36" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~90% (screen-to-body ratio) |
| Display resolution | 1440x2960 pixels (18.5:9) | 1200x2670 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 568 PPI | 460 PPI |
| Colors | 16 million | 68 billion |
| Scratch-resistant glass | Gorilla Glass 5 | Dragon Crystal Glass |
| Refresh rate | 60Hz | 120Hz |
| Display features | HDR10 | 3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz |
🤖 Operating System | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| System version | Android 7.0 Nougat | Android 15 |
| Firmware update | Android 9.0 Pie | feature not registered |
| User Interface | feature not registered | HyperOS 2 |
⚙️ Processor | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm) | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) |
| CPU | Octa-core, 2 processors: 4x 2.35GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core) | Octa-core, 2 processors: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 540 (670-710MHz) | Qualcomm Adreno 830 (1100MHz) |
| Performance (benchmark) | AnTuTu: 199022 (v7) Geekbench: 6656 (v4.4) GFXBench: 13fps (ES 3.1 onscreen) | AnTuTu: 2534643 (v10) Geekbench: 9419 (v6) |
💽 Memory and storage | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| RAM memory | 4GB LPDDR4 | 12GB LPDDR5X |
| Internal storage | 64GB (51GB available) UFS 2.0 | 512GB (458GB available) UFS 4.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 1024/150 Mbps | 3000/1024 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 | 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 Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 29, 30) TD-LTE (38, 39, 40, 41) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (32, 38, 39, 40, 41, 42, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 75, 77, 78) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (32, 38, 39, 40, 41, 42, 48) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| Back camera (main camera) | 12.2 megapixels | (triple camera) 50 megapixels 50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom 50MP ultrawide f/2.214mm115°1/2.76"0.64µm |
| Main camera resolution | 4032x3024 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.6 (aperture) |
| Focal length | 26mm (lens) | 23mm (lens) |
| Sensor size | 1/2.55" inches | 1/1.31" inches |
| Pixel size | 1.4µm pixel | 1.2µm pixel |
| Autofocus | PDAF on back camera and autofocus front camera | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical 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 | feature not registered | 8K@24/30fps (HDR) 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG) 1080p@30/60/120/240/960fps 720p@1920fps Leica Summilux |
📸 Front camera | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| Front camera (secondary) | 8 megapixels | 32 megapixels |
| Front camera resolution | 3264x2448 pixels | 6528x4896 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/2.0 (aperture) |
| Focal length | 25mm (lens) | 21mm (lens) |
| Sensor size | 1/3.6" inches | 1/3.14" inches |
| Pixel size | 1.22µm pixel | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| Loudspeaker | Supported | Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res |
| Active noise cancellation | 2 microphones or more | 4 microphones |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 6.0 + 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/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Si: lithium-silicon (Non removable) |
| Battery capacity | 3000 mAh | 5240 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging Quick Charge 2 | 90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | 50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging |
| Talk time autonomy | 29 hours (1.2 days) | feature not registered |
| Standby | 326 hours (13.6 days) | feature not registered |
➕ Other features | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| 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, 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 | • Colors: Black, White, Green, Lilac, Liquid Silver • Xiaomi HyperAI |
☢️ Radiation rate | ||
| Galaxy S8 (SM-G950U) | Xiaomi 15 (Global 512GB/12GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.75W/kg (head), 0.93W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.99W/kg (head), 1W/kg (body) |