Xiaomi Mi Mix 2S (128GB) vs Xiaomi 12X (256GB/8GB)
Side by side comparison between Xiaomi Mi Mix 2S vs Xiaomi 12X phones, differences, pros, cons and full specifications. What's the better?
,
5.99"
IPS
IPS
1080x2160
12
MP
MP
5mp
6GB
RAM
RAM
Octa-core
3400
mAh
mAh
(Non removable)
vs
6.28"
AMOLED
AMOLED
1080x2400
50
MP
MP
32mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 12X (256GB/8GB)
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!
6 Advantages 
21 Advantages | 22 Common items in both devices |
| Dual-LED flash |
| PDAF: phase detection autofocus |
| OIS (4-axis): Optical stabilization / OIS: Optical stabilization |
| HDR photo on both cameras / HDR photo/video on both cameras |
| (front) Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| +15 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 Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| Model | Xiaomi Mi Mix 2S (128GB) | 12X (256GB/8GB) |
| Other model names | 小米MIX 2S, Xiaomi Mix 2S (128GB + 6GB RAM), Xiaomi Polaris | Xiaomi 12X 2112123AG (Global), 2112123AC (China) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | Xiaomi |
| Release date | 4/3/2018 | 12/31/2021, Announced: 12/28/2021 |
| Depth | 8.1 millimeters (0.32 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 74.9 x 150.86 millimeters (2.95 x 5.94 in) | 69.9 x 152.7 millimeters (2.75 x 6.01 in) |
| Weight | 189 grams (6.62 ounces) | 176 grams (6.16 ounces) |
| Build, materials | Aluminum body, glass front, ceramic back | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| Display type | TFT IPS LCD | AMOLED |
| Screen size | 5.99" inches | 6.28" inches |
| Screen-to-body ratio | ~81.9% (screen-to-body ratio) | ~89.2% (screen-to-body ratio) |
| Display resolution | 1080x2160 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 419 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass Victus |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1100nits[peak] Dolby Vision/HDR10+ DCI-P3 Touch rate: 480Hz |
🤖 Operating System | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| System version | Android 8.0 Oreo | Android 11 |
| Firmware update | Android 10 | Android 12 |
| User Interface | feature not registered | MIUI 13 |
⚙️ Processor | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm) |
| CPU | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core) | Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 630 710Mhz | Qualcomm Adreno 650 (670MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 598003 (v8), 690298 (v9) Geekbench: 3168 (v5.1) GFXBench: 47fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| RAM memory | 6GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 128GB (118GB available) UFS 2.1 | 256GB (222GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| 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 | 1200/100 Mbps | 2000/1024 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 800/1900/2100, GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 M1803D5XA Global version: UMTS 800/850/900/1700/1800/1900/2100 M1803D5XE/M1803D5XC/M1803D5XT versions: UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat18 M1803D5XA Global version: LTE (Bands 1,2,3,4,5,7,8,12,13,17,18,19,20,25,26,27,28,29,30) TD-LTE (Bands 34,38,39,40,41) M1803D5XE/M1803D5XC/M1803D5XT versions: LTE (Bands 1,2,3,4,5,7,8,12,17,20) TD-LTE (Bands 34,38,39,40,41) | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41, 42, 48) China version: LTE (1, 2, 3, 4, 5, 7, 8, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) |
| Primary 5G network | Not supported | Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) China version: 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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41, 42, 48) China version: LTE (1, 2, 3, 4, 5, 7, 8, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 12MP f/2.41/3.4"1µmAF | (triple camera) 50 megapixels 13MP ultrawide f/2.412mm123°1/3.06"1.12µm 5MP telephoto macro f/2.450mmAF |
| Main camera resolution | 4000x3000 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/2.55" inches | 1/1.56" inches |
| Pixel size | 1.4µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): 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 | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@60fps 1080p@960fps Sony IMX766 |
📸 Front camera | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| Front camera (secondary) | 5 megapixels | 32 megapixels |
| Front camera resolution | 2560x1920 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.5 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.4µm pixel | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos 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 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.2 + 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 [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3400 mAh | 4500 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 67W Wired fast charging Quick Charge 4 USB Power Delivery 3.0 |
| Inductive / wireless charging | Qi wireless charging | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| 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 • MIUI 9.5 • HDR10 display support • Quick Charge 3.0 • Type-C to 3.5 mm headphone jack adapter • VoLTE | • Colors: Gray, Blue, Purple • LiquidCool |
☢️ Radiation rate | ||
| Xiaomi Mi Mix 2S (128GB) | Xiaomi 12X (256GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.59W/kg (head), 1W/kg (body) |