Xiaomi Mi Mix (128GB) vs Xiaomi 12S Ultra (256GB/12GB)

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Side by side comparison between Xiaomi Mi Mix vs Xiaomi 12S Ultra phones, differences, pros, cons and full specifications. What's the better?

7/16/2022 3:35 PM, updated: 6/23/2023 7:47 AM

Compare Xiaomi 12S Ultra X Xiaomi Mi Mix (128GB) 05Points

Specifications Compare Models Pictures

6.4"
IPS

1080x2040

16
MP

5mp

4GB
RAM

Quad-core

4400
mAh

(Non removable)

26Points Xiaomi 12S Ultra (256GB/12GB) Compare Xiaomi Mi Mix X

Specifications Compare Models Pictures

6.73"
AMOLED

1440x3200

50
MP

32mp

12GB
RAM

Octa-core

4860
mAh

(Non removable)

What's the better phone? Xiaomi 12S Ultra (256GB/12GB)

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 Xiaomi Mi Mix (128GB)	vs	26 Advantages Xiaomi 12S Ultra (256GB/12GB)
+209 grams (7.32 ounces)8% Lighter	vs	225 grams (7.88 ounces)
+7.9 millimeters (0.31 inches)14% Thinner	vs	9 millimeters (0.35 inches)
+Ceramic body, glass frontAdvantage More resistant material	vs	Aluminum frame, glass front, leather back
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
2.35GHz 64bit Quad-core	vs	+3.19GHz 64bit Octa-core (4nm)71% More powerful processor, you can open your applications faster
4GB LPDDR4	vs	+12GB LPDDR52 times More RAM memory. Typically more responsive and better for multitasking.
128GB (118GB available)	vs	+256GB (218GB available)85% More internal storage for applications and files
TFT IPS LCD	vs	+AMOLEDAdvantage AMOLED display is brighter and more vivid
16 million	vs	+1 billion62 times More colors on the screen is better quality images and videos
1080x2040 pixels	vs	+1440x3200 pixels109% Higher resolution screen
361 PPI	vs	+521 PPI44% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.4"	vs	+6.73"5% Larger screen
(back) 16MP	vs	+(quad camera) 50MP + 48MP + 48MP + 0.3MP8 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
f/2.0 (aperture)	vs	+f/1.9 (aperture)5% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 32MP5 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
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 7.0 Nougat	vs	+Android 13Advantage Android 13 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 300 Mbps	vs	+(5G SA/NSA) 2000 Mbps6 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
4400 mAh	vs	+4860 mAh10% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
4.2 + A2DP	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
Not supported	vs	+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

21 Common items in both devices

Dual-LED flash

PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus

HDR photo on both cameras / HDR photo/video on both cameras

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+14 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

📱 Model features
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (256GB/12GB)
Change model		Choose the model
Model	Xiaomi Mi Mix (128GB)	12S Ultra (256GB/12GB)
Other model names	Xiaomi Mix 2016080 4GB RAM + 128GB, Xiaomi Lithium	小米12S Ultra 5G (2203121C) 12GB RAM
Country or region available	China, Vietnam	(Global, International)
Brand	Xiaomi	Xiaomi
Release date	11/4/2016	7/9/2022, Announced: 7/4/2022
Depth	7.9 millimeters (0.31 inches)	9 millimeters (0.35 inches)
Size (width x height)	81.9 x 158.8 millimeters (3.22 x 6.25 in)	74.97 x 163.17 millimeters (2.95 x 6.42 in)
Weight	209 grams (7.32 ounces)	225 grams (7.88 ounces)
Build, materials	Ceramic body, glass front	Aluminum frame, glass front, leather back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (256GB/12GB)
Display type	TFT IPS LCD	AMOLED
Screen size	6.4" inches	6.73" inches
Screen-to-body ratio	~84% (screen-to-body ratio)	~89.4% (screen-to-body ratio)
Display resolution	1080x2040 pixels	1440x3200 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	361 PPI	521 PPI
Colors	16 million	1 billion
Scratch-resistant glass	Not supported	Gorilla Glass Victus
Refresh rate	feature not registered	120Hz
Display features	feature not registered	1000nits[typ], 1500nits[peak] Dolby Vision/HDR10+
🤖 Operating System
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (256GB/12GB)
System version	Android 6.0.1 Marshmallow	Android 12
Firmware update	Android 7.0 Nougat	Android 13
User Interface	feature not registered	MIUI 13 / 14
⚙️ Processor
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (256GB/12GB)
Chipset	64bit: Qualcomm Snapdragon 821 MSM8996AC Pro (14nm)	64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)
CPU	Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (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 530 650Mhz	Qualcomm Adreno 730 (818MHz)
Performance (benchmark)	feature not registered	AnTuTu: 1039412 (v9) Geekbench: 4300 (v5.1) GFXBench: 51fps (ES 3.1 onscreen)
💽 Memory and storage
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (256GB/12GB)
RAM memory	4GB LPDDR4	12GB LPDDR5
Internal storage	128GB (118GB available)	256GB (218GB available) UFS 3.1
External storage	Not supported	Not supported
📶 Mobile networks
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (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	300/50 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, GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	CDMA2000 TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100
Primary 4G network	LTE Cat9 850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79)
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 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (256GB/12GB)
Back camera (main camera)	16 megapixels	(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
Main camera resolution	4608x3456 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/2.0 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	23mm (lens)
Sensor size	feature not registered	1/1" inches
Pixel size	feature not registered	1.6µm pixel
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
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	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	feature not registered	4K@60fps 1080p@480fps Sony IMX989 Leica optics
📸 Front camera
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (256GB/12GB)
Front camera (secondary)	5 megapixels	32 megapixels
Front camera resolution	2592x1944 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.4 (aperture)
Focal length	feature not registered	25mm (lens)
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	0.7µm pixel
🔉 Sound and multimedia
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (256GB/12GB)
Loudspeaker	Supported	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	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (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	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.2 + A2DP	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 [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	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 (128GB)	Xiaomi 12S Ultra (256GB/12GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (256GB/12GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4400 mAh	4860 mAh
Charger, watts	Wired charging	67W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0
Inductive / wireless charging	feature not registered	50W Qi wireless charging 10W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	256 hours (10.7 days)	feature not registered
➕ Other features
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (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 • MIUI 8.0/8.2 • 500nits display brightness • Slow-motion at 720p@120fps • 192Hz/24-bit audio • Quick Charge 3.0: 83% in 30min • Miracast	• Colors: Black, Dark Green
☢️ Radiation rate
	Xiaomi Mi Mix (128GB)	Xiaomi 12S Ultra (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