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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?

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Compare Xiaomi 12X XXiaomi Mi Mix 2S (128GB)06Points
Xiaomi Mi Mix 2S (128GB)
5.99"
IPS

1080x2160

12
MP

5mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

vs
Xiaomi 12X (256GB/8GB)
6.28"
AMOLED

1080x2400

50
MP

32mp

8GB
RAM

Octa-core

4500
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!

Mi Mix 2S (128GB)6 Advantages Xiaomi Mi Mix 2S (128GB)vs12X (256GB/8GB)22 Advantages Xiaomi 12X (256GB/8GB)
+8.1 millimeters (0.32 inches)1%
Thinner
vs8.2 millimeters (0.32 inches)
+Aluminum body, glass front, ceramic backAdvantage
More resistant material
vsAluminum body, glass front, plastic back
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+f/1.8 (aperture)6%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.9 (aperture)
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Qi wireless chargingAdvantage
Wireless charging is another way to charge the battery.
vsNot supported
2.8GHz 64bit Octa-corevs+3.2GHz 64bit Octa-core (7nm)10%
More powerful processor, you can open your applications faster
6GB LPDDR4Xvs+8GB LPDDR533%
More RAM memory. Typically more responsive and better for multitasking.
128GB (118GB available)vs+256GB (222GB available)88%
More internal storage for applications and files
UFS 2.1vs+UFS 3.1Advantage
Fastest write and read storage.
189 grams (6.62 ounces)vs+176 grams (6.16 ounces)7%
Lighter
TFT IPS LCDvs+AMOLEDAdvantage
AMOLED display is brighter and more vivid
16 millionvs+1 billion62 times
More colors on the screen is better quality images and videos
1080x2160 pixelsvs+1080x2400 pixels11%
Higher resolution screen
403 PPIvs+419 PPI4%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.99"vs+6.28"5%
Larger screen
(dual camera) 12MP + 12MPvs+(triple camera) 50MP + 13MP + 5MP183%
Higher resolution main camera
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
1/2.55" inchesvs+1/1.56" inches63%
The larger sensor camera lets you take photos with better depth.
(front) 5MPvs+(front) 32MP6 times
Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)vs+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
Android 10vs+Android 12Advantage
Android 12 is newer and safer
4G+ LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G+ LTE-A) 1200 Mbpsvs+(5G SA/NSA) 2000 Mbps67%
Faster for surfing the internet and download files
3400 mAhvs+4500 mAh32%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18Wvs+67W3 times
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOvs+802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO is newer and faster
5.0 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster

26 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
+19 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight

📱 Model features

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
ModelMi Mix 2S (128GB)12X (256GB/8GB)
Other model names小米MIX 2S, Xiaomi Mix 2S (128GB + 6GB RAM), Xiaomi PolarisXiaomi 12X 2112123AG (Global), 2112123AC (China)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandXiaomiXiaomi
Release date4/3/201812/31/2021, Announced: 12/28/2021
Depth8.1 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)
Weight189 grams (6.62 ounces)176 grams (6.16 ounces)
Build, materialsAluminum body, glass front, ceramic backAluminum body, glass front, plastic back
Protection against water and othersNot supportedNot supported

🤖 Operating System

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
System versionAndroid 8.0 OreoAndroid 11
Firmware updateAndroid 10Android 12
User Interfacefeature not registeredMIUI 13

⚙️ Processor

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
Chipset64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm)
CPUOcta-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 controllerQualcomm Adreno 630 710MhzQualcomm Adreno 650 (670MHz)
Performance (benchmark)feature not registeredAnTuTu: 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 memory6GB LPDDR4X8GB LPDDR5
Internal storage128GB (118GB available)
UFS 2.1
256GB (222GB available)
UFS 3.1
External storageNot supportedNot supported

📲 Display

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
Display typeTFT IPS LCDAMOLED
Screen size5.99" inches6.28" inches
Screen-to-body ratio~81.9% (screen-to-body ratio)~89.2% (screen-to-body ratio)
Display resolution1080x2160 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)403 PPI419 PPI
Colors16 million1 billion
Scratch-resistant glassGorilla Glass 4Gorilla Glass Victus
Refresh ratefeature not registered120Hz
Display featuresfeature not registered1100nits[peak]
Dolby Vision/HDR10+
DCI-P3
Touch rate: 480Hz

📶 Mobile networks

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload1200/100 Mbps2000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900/2100, GSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkCDMA2000 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 networkLTE 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 networkNot supportedGlobal 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 networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 800/850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE 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 networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA

📷 Camera

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
Back camera (main camera)(dual camera)
12 megapixels
12MPf/2.41/3.4"1µmAF
(triple camera)
50 megapixels
13MP ultrawidef/2.412mm123°1/3.06"1.12µm
5MP telephoto macrof/2.450mmAF
Main camera resolution4000x3000 pixels8160x6120 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps8K UHD (7680x4320) 24 fps
FlashDual-LED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/1.9 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/2.55" inches1/1.56" inches
Pixel size1.4µm pixel1µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS (4-axis): Optical stabilizationOIS: Optical stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
Camera extrasfeature not registered4K@60fps
1080p@960fps
Sony IMX766

📸 Front camera

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
Front camera (secondary)5 megapixels32 megapixels
Front camera resolution2560x1920 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.5 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registeredfeature not registered
Pixel size1.4µm pixel0.7µm pixel

🔉 Sound and multimedia

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
LoudspeakerSupportedStereo sound with dual speakers
24-bit/192kHz
Dolby Atmos
Tuned by Harman Kardon
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviDMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, OGG, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connectorType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFCSupportedSupported
Infrared portNot supportedSupported

🧭 Sensors

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
SensorsAccelerometer
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 alertSupportedSupported

🔋 Battery

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
Battery typeLi-Ion: Lithium-Ion (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity3400 mAh4500 mAh
Charger, watts18W (9V/2A) Wired fast charging
Qi wireless charging
67W Wired fast charging
Quick Charge 4
USB Power Delivery 3.0
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Xiaomi Mi Mix 2S (128GB)Xiaomi 12X (256GB/8GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot 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 registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.59W/kg (head), 1W/kg (body)
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