Xiaomi Mi 10 (256GB/12GB) vs Samsung Galaxy S21 Ultra (SM-G998B 256GB)
Side by side comparison between Xiaomi Mi 10 vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2340
108
MP
MP
20mp
12GB
RAM
RAM
Octa-core
4780
mAh
mAh
(Non removable)
vs
6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B 256GB)
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!
31 Common items in both devices |
12GB LPDDR5 |
256GB (230GB available) / 256GB (220GB available) |
Aluminum frame, glass front/back |
Super AMOLED / Dynamic AMOLED |
HDR10+ |
16 million |
PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
+24 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 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
Model | Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) |
Other model names | 小米10, Xiaomi Mi 10 5G M2001J2G, M2001J2I (256GB + 12GB RAM) | Galaxy S21 Ultra 5G (SM-G998B Single-SIM) |
Country or region available | China | Australia |
Brand | Xiaomi | Samsung |
Release date | 2/13/2020 | 1/29/2021, Announced: 1/14/2021 |
Depth | 9 millimeters (0.35 inches) | 8.9 millimeters (0.35 inches) |
Size (width x height) | 74.8 x 162.6 millimeters (2.94 x 6.4 in) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) |
Weight | 208 grams (7.28 ounces) | 227 grams (7.95 ounces) |
Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
Display type | Super AMOLED | Dynamic AMOLED |
Screen size | 6.67" inches | 6.8" inches |
Screen-to-body ratio | ~89.8% (screen-to-body ratio) | ~89.4% (screen-to-body ratio) |
Display resolution | 1080x2340 pixels (19.5:9) | 1440x3200 pixels (20:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
Pixel density (dot pitch) | 386 PPI | 516 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass Victus |
Refresh rate | 90Hz | 120Hz |
Display features | 500nits[typ] HDR10+ | 1500nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
System version | Android 10 | Android 11 |
Firmware update | Android 11 | Android 14 |
User Interface | feature not registered | One UI 3.1 / 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
Chipset | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) | 64bit: Samsung Exynos 2100 (5nm) |
CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core) |
GPU graphical controller | Qualcomm Adreno 650 (250-587MHz) | ARM Mali-G78 MP14 (854MHz) |
Performance (benchmark) | feature not registered | AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
RAM memory | 12GB LPDDR5 | 12GB LPDDR5 |
Internal storage | 256GB (230GB available) UFS 3.0 | 256GB (220GB available) UFS 3.1 |
External storage | Not supported | Not supported |
📶 Mobile networks | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
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) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
Maximum Download / Upload | 2000/1024 Mbps | 5000/1920 Mbps |
Network technology | 2G, 3G, 4G, 5G | 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 | GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 20, 28, 32) TD-LTE (38, 40) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (34, 38, 39, 40, 41) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE |
Primary 5G network | Global version: SA/NSA (1, 3, 7, 28, 77, 78) China version: SA/NSA (1, 3, 41, 78, 79) | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | UMTS 850/900/1700/1900/2100 | 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, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
Back camera (main camera) | (quad camera) 108 megapixels 13MP ultrawide f/2.4123°12mm1/3.06"1.12µm 2MP macro f/2.4 2MP depth f/2.4 | (quad camera) 108 megapixels 10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video |
Main camera resolution | 12000x9000 pixels | 12000x9000 pixels |
Video recording (primary) | 8K UHD (7680x4320) 30 fps | 8K UHD (7680x4320) 24 fps |
Flash | Dual-LED flash | LED flash |
Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
Focal length | 26mm lens | 26mm lens |
Sensor size | 1/1.33" inches | 1/1.33" inches |
Pixel size | 0.8µm pixel | 1.8µm pixel |
Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
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 on both cameras | HDR photo/video on both cameras |
Camera extras | feature not registered | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
Front camera (secondary) | 20 megapixels | 40 megapixels |
Front camera resolution | 5184x3840 pixels | 7296x5472 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 | 27mm lens | 26mm lens |
Sensor size | 1/3" inches | 1/2.8" inches |
Pixel size | 0.9µm pixel | 0.7µm pixel |
🔉 Sound and multimedia | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | Not supported | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
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 | USB Type-C (reversible) | USB Type-C (reversible) |
Bluetooth | 5.1 + A2DP/LE | 5.2 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + 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 | Supported | Not supported |
🧭 Sensors | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 4780 mAh | 5000 mAh |
Charger, watts | 30W Wired fast charging Reverse charging by cable Quick Charge 4+ USB Power Delivery 3.0 | 25W Wired fast charging USB Power Delivery 3.0 |
Inductive / wireless charging | 30W Qi wireless charging 5W Reverse wireless charging | 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 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
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: Coral Green, Twilight Grey, Peach Gold • MIUI 12.5 • Screen protector included • Dual stereo speakers • 24-bit/192kHz audio • Google Pay | • Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support |
☢️ Radiation rate | ||
Xiaomi Mi 10 (256GB/12GB) | Galaxy S21 Ultra (SM-G998B 256GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 1.09W/kg (head), 1.02W/kg (body) | 0.24W/kg (head), 0.72W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.69W/kg (head), 0.99W/kg (body) | 0.714W/kg (head), 1.58W/kg (body) |