Xiaomi Mi A2 (128GB) vs Xiaomi 12X (256GB/12GB)

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Side by side comparison between Xiaomi Mi A2 vs Xiaomi 12X phones, differences, pros, cons and full specifications. What's the better?

5/17/2022 7:14 AM, updated: 7/20/2022 8:37 AM

Compare Xiaomi 12X X Xiaomi Mi A2 (128GB) 04Points

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

20mp

6GB
RAM

Octa-core

3000
mAh

(Non removable)

24Points Xiaomi 12X (256GB/12GB) Compare Xiaomi Mi A2 X

Specifications Compare Models Pictures

6.28"
AMOLED

1080x2400

50
MP

32mp

12GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Xiaomi 12X (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!

4 Advantages Xiaomi Mi A2 (128GB)	vs	24 Advantages Xiaomi 12X (256GB/12GB)
+166 grams (5.81 ounces)6% Lighter	vs	176 grams (6.16 ounces)
+7.3 millimeters (0.29 inches)12% Thinner	vs	8.2 millimeters (0.32 inches)
+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light	vs	Dual-LED flash
+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
2.2GHz 64bit Octa-core (14nm)	vs	+3.2GHz 64bit Octa-core (7nm)32% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+12GB LPDDR5100% More RAM memory. Typically more responsive and better for multitasking.
128GB (111GB available)	vs	+256GB (222GB available)100% More internal storage for applications and files
eMMC 5.1	vs	+UFS 3.1Advantage Fastest write and read storage.
LTPS IPS LCD	vs	+AMOLEDAdvantage AMOLED display is brighter and more vivid
Not supported	vs	+Dolby Vision/HDR10+Advantage The Dolby Vision/HDR10+ display provides vibrant colors and more details
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
16 million	vs	+1 billion62 times More colors on the screen is better quality images and videos
1080x2160 pixels	vs	+1080x2400 pixels11% Higher resolution screen
403 PPI	vs	+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 + 20MP	vs	+(triple camera) 50MP + 13MP + 5MP112% Higher resolution main camera
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
1/2.9" inches	vs	+1/1.56" inches86% The larger sensor camera lets you take photos with better depth.
(front) 20MP	vs	+(front) 32MP60% 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 10	vs	+Android 12Advantage Android 12 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 600 Mbps	vs	+(5G SA/NSA) 2000 Mbps2 times Faster for surfing the internet and download files
3000 mAh	vs	+4500 mAh50% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+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 [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
5.0 + A2DP/LE	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

21 Common items in both devices

Aluminum body, glass front / Aluminum body, glass front, plastic back

Only digital zoom

PDAF: phase detection autofocus

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

(front) Full HD (1920x1080)

Capacitive

Multitouch

+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 A2 (128GB)	Xiaomi 12X (256GB/12GB)
Change model		Choose the model
Model	Xiaomi Mi A2 (128GB)	12X (256GB/12GB)
Other model names	Xiaomi Mi A2 M1804D2SG (128GB + 6GB RAM), 小米6X, Xiaomi Wayne	Xiaomi 12X 2112123AG (Global), 2112123AC (China)
Country or region available	(Global, International), India	China
Brand	Xiaomi	Xiaomi
Release date	7/27/2018, Announced: 7/24/2018	12/31/2021, Announced: 12/28/2021
Depth	7.3 millimeters (0.29 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	75.4 x 158.7 millimeters (2.97 x 6.25 in)	69.9 x 152.7 millimeters (2.75 x 6.01 in)
Weight	166 grams (5.81 ounces)	176 grams (6.16 ounces)
Build, materials	Aluminum body, glass front	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	Not supported
📲 Display
	Xiaomi Mi A2 (128GB)	Xiaomi 12X (256GB/12GB)
Display type	LTPS IPS LCD	AMOLED
Screen size	5.99" inches	6.28" inches
Screen-to-body ratio	~77.4% (screen-to-body ratio)	~89.2% (screen-to-body ratio)
Display resolution	1080x2160 pixels (19:9)	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 5	Gorilla Glass Victus
Refresh rate	60Hz	120Hz
Display features	Not supported	1100nits[peak] Dolby Vision/HDR10+ DCI-P3 Touch rate: 480Hz
🤖 Operating System
	Xiaomi Mi A2 (128GB)	Xiaomi 12X (256GB/12GB)
System version	Android 8.1 Oreo	Android 11
Firmware update	Android 10	Android 12
User Interface	feature not registered	MIUI 13
⚙️ Processor
	Xiaomi Mi A2 (128GB)	Xiaomi 12X (256GB/12GB)
Chipset	64bit: Qualcomm Snapdragon 660 (SDM660) (14nm)	64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 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 512 (650MHz)	Qualcomm Adreno 650 (670MHz)
Performance (benchmark)	AnTuTu: 130927 (v7), 172886 (v8) Geekbench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen)	AnTuTu: 598003 (v8), 690298 (v9) Geekbench: 3168 (v5.1) GFXBench: 47fps (ES 3.1 onscreen)
💽 Memory and storage
	Xiaomi Mi A2 (128GB)	Xiaomi 12X (256GB/12GB)
RAM memory	6GB LPDDR4X	12GB LPDDR5
Internal storage	128GB (111GB available) eMMC 5.1	256GB (222GB available) UFS 3.1
External storage	Not supported	Not supported
📶 Mobile networks
	Xiaomi Mi A2 (128GB)	Xiaomi 12X (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	600/150 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	GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	Global version: UMTS 850/900/1700/1900/2100 India version: UMTS 850/900/1900/2100	CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100
Primary 4G network	LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5) TD-LTE (Bands 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, UMTS, 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 A2 (128GB)	Xiaomi 12X (256GB/12GB)
Back camera (main camera)	(dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm	(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 on main camera and LED on front camera	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/2.9" inches	1/1.56" inches
Pixel size	1.25µm pixel	1µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital 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 A2 (128GB)	Xiaomi 12X (256GB/12GB)
Front camera (secondary)	20 megapixels	32 megapixels
Front camera resolution	5164x3872 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/2.2 (aperture)	f/2.5 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/2.8" inches	feature not registered
Pixel size	1µm pixel	0.7µm pixel
🔉 Sound and multimedia
	Xiaomi Mi A2 (128GB)	Xiaomi 12X (256GB/12GB)
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, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mi A2 (128GB)	Xiaomi 12X (256GB/12GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C jack with 3.5mm jack adapter	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	Not supported	Supported
Infrared port	Supported	Supported
🧭 Sensors
	Xiaomi Mi A2 (128GB)	Xiaomi 12X (256GB/12GB)
Sensors	Accelerometer Ambient light sensor 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 A2 (128GB)	Xiaomi 12X (256GB/12GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	4500 mAh
Charger, watts	18W Wired fast charging Quick Charge 4	67W Wired fast charging Quick Charge 4 USB Power Delivery 3.0
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi A2 (128GB)	Xiaomi 12X (256GB/12GB)
Call control	Voice dialing, Voice recorder	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, Gold, Blue, Red, Rose Gold • Android One • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display	• Colors: Gray, Blue, Purple • LiquidCool
☢️ Radiation rate
	Xiaomi Mi A2 (128GB)	Xiaomi 12X (256GB/12GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.96W/kg (head), 0.64W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	1.16W/kg (head), 0.66W/kg (body)	0.59W/kg (head), 1W/kg (body)