Xiaomi 12S Ultra (512GB) vs HMD Skyline (256GB/12GB)
Side by side comparison between Xiaomi 12S Ultra vs HMD Skyline 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
6.55"
POLED
POLED
1080x2400
108
MP
MP
50mp
12GB
RAM
RAM
Octa-core
4600
mAh
mAh
(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!
17 Advantages 
12 Advantages | 32 Common items in both devices |
| 12GB LPDDR5 |
| AMOLED / P-OLED |
| Digital and optical zoom |
| LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus |
| OIS: Optical stabilization |
| BSI sensor |
| HDR photo/video on both cameras / HDR photo on both cameras |
| +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 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| Model | 12S Ultra (512GB) | Skyline (256GB/12GB) |
| Other model names | 小米12S Ultra 5G (2203121C) 12GB RAM | HMD Skyline (12GB RAM) TA-1600 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | HMD |
| Release date | 7/9/2022, Announced: 7/4/2022 | 7/19/2024, Announced: 7/18/2024 |
| Depth | 9 millimeters (0.35 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 74.97 x 163.17 millimeters (2.95 x 6.42 in) | 75.66 x 159.84 millimeters (2.98 x 6.29 in) |
| Weight | 225 grams (7.88 ounces) | 209 grams (7.32 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 | IP54 certified: protection against dust and splashing |
📲 Display | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| Display type | AMOLED | P-OLED |
| Screen size | 6.73" inches | 6.55" inches |
| Screen-to-body ratio | ~89.4% (screen-to-body ratio) | ~85.6% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 521 PPI | 402 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 3 |
| Refresh rate | 120Hz | 144Hz |
| Display features | 1000nits[typ], 1500nits[peak] Dolby Vision/HDR10+ | 1000nits[peak] HDR10 |
🤖 Operating System | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| System version | Android 12 | Android 14 |
| Firmware update | Android 13 | Android 16 |
| User Interface | MIUI 13 / 14 | feature not registered |
⚙️ Processor | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) | 64bit: Qualcomm Snapdragon 7s Gen 2 (SM7435-AB) (4nm) |
| 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 2.4GHz ARM Cortex-A78 (Quad-core) 4x 1.95GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 730 (818MHz) | Qualcomm Adreno 710 (900MHz) |
| Performance (benchmark) | AnTuTu: 1039412 (v9) Geekbench: 4300 (v5.1) GFXBench: 51fps (ES 3.1 onscreen) | AnTuTu: 581402 (v10) Geekbench: 2899 (v6) |
💽 Memory and storage | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| RAM memory | 12GB LPDDR5 | 12GB LPDDR5 |
| Internal storage | 512GB (455GB available) UFS 3.1 | 256GB (222GB available) UFS 2.2 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 2000/1024 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 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| 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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79) | SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 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, 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 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| 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 | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 40, 41) VoLTE |
| Secondary 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 |
📷 Camera | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| 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 | (triple camera) 108 megapixels 50MP telephoto f/2.01/2.76"0.64µmPDAF2x-optical-zoom 13MP ultrawide f/2.51/3"1.12µm |
| Main camera resolution | 8160x6120 pixels | 12000x9000 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/1.8 (aperture) |
| Focal length | 23mm (lens) | feature not registered |
| Sensor size | 1/1" inches | 1/1.67" inches |
| Pixel size | 1.6µm pixel | 0.64µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical 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 on both cameras |
| Camera extras | 4K@60fps 1080p@480fps Sony IMX989 Leica optics | 4K@30fps 1080p@30fps |
📸 Front camera | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| Front camera (secondary) | 32 megapixels | 50 megapixels |
| Front camera resolution | 6528x4896 pixels | 8160x6120 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | f/2.5 (aperture) |
| Focal length | 25mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Tuned by Harman Kardon | Stereo sound with dual speakers OZO audio |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| 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 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| USB | USB 2.0 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 | 5.2 + A2DP/LE | 5.2 + 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/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not 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) | HMD Skyline (256GB/12GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Virtual proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (256GB/12GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) HBA4633AA |
| Battery capacity | 4860 mAh | 4600 mAh |
| Charger, watts | 67W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 33W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | 50W Qi wireless charging 10W Reverse wireless charging | 15W Qi2 wireless charging 5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (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, Dark Green | • Colors: Twisted Black, Blue Topaz, Neon Pink |
☢️ Radiation rate | ||
| Xiaomi 12S Ultra (512GB) | HMD Skyline (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 |