Xiaomi Mi 3 (16GB) vs Samsung Galaxy S25 Ultra (SM-S938B/DS 256GB)
Side by side comparison between Xiaomi Mi 3 vs Samsung Galaxy S25 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
5"
IPS
IPS
1080x1920
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
3050
mAh
mAh
(Non removable)
vs
6.9"
AMOLED
AMOLED
1440x3120
200
MP
MP
12mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S25 Ultra (SM-S938B/DS 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!
5 Advantages 
29 Advantages | 20 Common items in both devices |
| 16 million |
| Autofocus / PDAF: phase detection autofocus on both cameras |
| BSI sensor |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +13 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 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Model | Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) |
| Other model names | Xiaomi Mi3 WCDMA, Xiaomi 3 China Unicom | Galaxy S25 Ultra SM-S938B/Dual-SIM |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Xiaomi | Samsung |
| Release date | 12/1/2013 | 2/3/2025, Announced: 2/22/2025 |
| Depth | 8.1 millimeters (0.32 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 73.6 x 144 millimeters (2.9 x 5.67 in) | 77.6 x 162.8 millimeters (3.06 x 6.41 in) |
| Weight | 145 grams (5.08 ounces) | 218 grams (7.63 ounces) |
| Build, materials | feature not registered | Titanium frame, glass front and back Back: Gorilla Armor 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 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Display type | TFT LED-Backlit IPS LCD | LTPO AMOLED |
| Screen size | 5" inches | 6.9" inches |
| Screen-to-body ratio | ~65% (screen-to-body ratio) | ~92.5% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1440x3120 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 441 PPI | 498 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Armor 2 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 2600nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| System version | Android 4.2.1 Jelly Bean | Android 15 |
| Firmware update | Android 4.4.2 KitKat | feature not registered |
| User Interface | feature not registered | One UI 7.0 |
⚙️ Processor | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 800 MSM8274AB (28nm) | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) |
| CPU | Quad-core, 1 processor: 4x 2.3GHz Krait 400 (Quad-core) | Octa-core, 2 processors: 2x 4.47GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 330 450MHz | Qualcomm Adreno 830 (1100MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 2207809 (v10) Geekbench: 9846 (v6) |
💽 Memory and storage | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| RAM memory | 2GB LPDDR3 | 12GB LPDDR5X |
| Internal storage | 16GB (13GB available) | 256GB (223GB available) UFS 4.0 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 42/5.76 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G | 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 850/900/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS |
| Primary 4G network | Not supported | LTE Cat24 () TD-LTE () VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 () |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | Not supported | CDMA 800/1900, GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS |
| Secondary 4G network | Not supported | LTE Cat24 () TD-LTE () VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Back camera (main camera) | 13 megapixels | (quad camera) 200 megapixels 10MP telephoto f/2.467mm1/3.52"1.12µmPDAFOIS3x-optical-zoom 50MP periscope telephoto f/3.4111mm1/2.52"0.7µmPDAFOIS5x-optical-zoom 50MP ultrawide f/1.9120°0.7µmPDAFSuper-Steady |
| Main camera resolution | 4128x3096 pixels | 20000x10000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.7 (aperture) |
| Focal length | 28mm (lens) | 24mm (lens) |
| Sensor size | feature not registered | 1/1.3" inches |
| Pixel size | feature not registered | 0.6µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital 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 only main camera | HDR photo/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Front camera (secondary) | 2.1 megapixels | 12 megapixels |
| Front camera resolution | 1920x1080 pixels | 4000x3000 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/3.2" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 3 microphones |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| USB | MicroUSB 2.0 | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.0 + A2DP | 5.4 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) BM31 | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3050 mAh | 5000 mAh |
| Charger, watts | Wired charging | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi wireless charging 4.5W Reverse wireless charging |
| Talk time autonomy | 20 hours | feature not registered |
| Standby | 400 hours (16.7 days) | feature not registered |
➕ Other features | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (Swype), 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: Metallic gray • USB OTG On-The-Go 1.3 • MI UI 5.0 • Dirac HD sound • Touchscreen with gloves • WiFi display | • Samsung DeX • Samsung Wireless DeX • Stylus (S Pen) • Circle to Search |
☢️ Radiation rate | ||
| Xiaomi Mi 3 (16GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |