Xiaomi 14 Ultra (China 256GB) vs Xiaomi 12S (256GB/12GB)
Side by side comparison between Xiaomi 14 Ultra vs Xiaomi 12S 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
5300
mAh
mAh
(Non removable)
vs
6.28"
AMOLED
AMOLED
1080x2400
50
MP
MP
32mp
12GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 14 Ultra (China 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!
18 Advantages 
3 Advantages | 32 Common items in both devices |
| 12GB LPDDR5X / 12GB LPDDR5 |
| 256GB (220GB available) / 256GB (218GB available) |
| Dolby Vision/HDR10+ |
| 120Hz |
| 1 billion |
| Dual-LED flash |
| LDAF/PDAF: laser/phase detection autofocus |
| +25 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 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| Model | Xiaomi 14 Ultra (China 256GB) | 12S (256GB/12GB) |
| Other model names | Xiaomi 14 Ultra | 小米12S 5G (12GB RAM) 2206123SC |
| Country or region available |  China |  (Global, International) |
| Brand | Xiaomi | Xiaomi |
| Release date | 2/22/2024 | 7/7/2022, Announced: 7/4/2022 |
| Depth | 9.2 millimeters (0.36 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 75.3 x 161.4 millimeters (2.96 x 6.35 in) | 69.9 x 152.7 millimeters (2.75 x 6.01 in) |
| Weight | 224 grams (7.84 ounces) | 182 grams (6.37 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 | Not supported |
📲 Display | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| Display type | LTPO AMOLED | AMOLED |
| Screen size | 6.73" inches | 6.28" inches |
| Screen-to-body ratio | ~90% (screen-to-body ratio) | ~89.2% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 521 PPI | 419 PPI |
| Colors | 1 billion | 1 billion |
| Scratch-resistant glass | Dragon Crystal Glass | Gorilla Glass Victus |
| Refresh rate | 120Hz | 120Hz |
| Display features | 1000nits[typ], 3000nits[peak] Dolby Vision/HDR10+ 100% DCI-P3 12-bit Touch Sampling Rate: 240Hz | 1100nits[peak] Dolby Vision/HDR10+ |
🤖 Operating System | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| System version | Android 14 | Android 12 |
| Firmware update | feature not registered | Android 13 |
| User Interface | HyperOS | MIUI 13 / 14 |
⚙️ Processor | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Gen 3 (SM8650-AB) (4nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 4 processors: 1x 3.3GHz ARM Cortex-X4 (Single-core) 3x 3.15GHz ARM Cortex-A720 (Triple-core) 2x 2.96GHz ARM Cortex-A720 (Dual-core) 2x 2.26GHz ARM Cortex-A520 (Dual-core) | 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) |
| GPU graphical controller | Qualcomm Adreno 750 | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | AnTuTu: 2004190 (v10) | AnTuTu: 1029495 (v9) |
💽 Memory and storage | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| RAM memory | 12GB LPDDR5X | 12GB LPDDR5 |
| Internal storage | 256GB (220GB available) UFS 4.0 | 256GB (218GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| 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) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 2000/1024 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 | CDMA 800, GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66) TD-LTE (38, 40, 41, 42, 48) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE |
| Primary 5G network | SA/NSA (1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79) | SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 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, SA/NSA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat20 (1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66) TD-LTE (38, 40, 41, 42, 48) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE |
| 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| Back camera (main camera) | (5 cameras) 50 megapixels 50MP telephoto f/1.875mm1/2.51"0.7µmPDAFOIS3.2x-optical-zoom 50MP periscope telephoto f/2.5120mm1/2.51"0.7µmPDAFOIS5x-optical-zoom 50MP ultrawide f/1.812mm122°1/2.51"0.7µm 0.3MP depth TOF3D | (triple camera) 50 megapixels 13MP ultrawide f/2.415mm123°1/3.06"1.12µm 5MP telephoto macro f/2.450mmAF |
| Main camera resolution | 8160x6120 pixels | 8160x6120 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.6 (aperture) | f/1.9 (aperture) |
| Focal length | 23mm lens | 24mm lens |
| Sensor size | 1/1" inches | 1/1.28" inches |
| Pixel size | 1.6µm pixel | 1.22µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | LDAF/PDAF: laser/phase detection autofocus |
| 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 | 8K@24/30fps 4K@24/30/60/120fps 1080p@30/60/120fps 1080p@240/480/960/1920fps Slow motion Leica Summilux HDR10+, 10-bit Dolby Vision, 10-bit LOG | 4K@60fps 1080p@960fps Sony IMX707 Leica optics |
📸 Front camera | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| Front camera (secondary) | 32 megapixels | 32 megapixels |
| Front camera resolution | 6528x4896 pixels | 6528x4896 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.5 (aperture) |
| Focal length | 22mm lens | 26mm lens |
| Sensor size | 1/3.14" inches | feature not registered |
| Pixel size | 0.7µm pixel | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res | Stereo sound 24-bit/192kHz Tuned by Harman Kardon |
| 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, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| 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 reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.4 + A2DP/LE | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Supported | Supported |
| Infrared port | Supported | Supported |
🧭 Sensors | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5300 mAh | 4500 mAh |
| Charger, watts | 90W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 67W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| Inductive / wireless charging | 80W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging | 50W Qi wireless charging 10W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/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, White, Blue | • Colors: Gray, White, Purple, Green |
☢️ Radiation rate | ||
| Xiaomi 14 Ultra (China 256GB) | Xiaomi 12S (256GB/12GB) | |
| 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 |