Realme 12X 5G (8GB RAM +128GB) vs Xiaomi Mi Mix Alpha

Here you can compare Realme 12X 5G (8GB RAM +128GB) and Xiaomi Mi Mix Alpha. Comparing Realme 12X 5G (8GB RAM +128GB) vs Xiaomi Mi Mix Alpha on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Realme 12X 5G (8GB RAM +128GB) stands against Xiaomi Mi Mix Alpha and which one should you buy The current lowest price found for Realme 12X 5G (8GB RAM +128GB) is ₹13,499 and for Xiaomi Mi Mix Alpha is ₹1,99,990. The details of both of these products were last updated on Dec 03, 2025.

Specification	Realme 12X 5G (8GB RAM +128GB)	Xiaomi Mi Mix Alpha
Battery	5000 mAh	4050 mAh, Li-Po Battery
Rear Camera	50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) 22 mm, 1/5, Black & White Camera	108 MP ƒ/1.7 (Wide Angle) 12 MP ƒ/2 (Telephoto) 20 MP ƒ/2.2 (Ultra Wide)
RAM	8 GB	12 GB
Display	6.72 inches, 1080 x 2400 pixels, 120 Hz	7.92 inches, 2088 x 2250 pixels
OS	Android v14	Android v10
Price	₹13,499	₹1,99,990

Realme 12X 5G (8GB RAM +128GB)₹13,4991%

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Xiaomi Mi Mix Alpha₹1,99,990

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Realme 12X 5G (8GB RAM +128GB)₹13,4991%

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Xiaomi Mi Mix Alpha₹1,99,990

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Overview

Specs Score	78 / 100	93 / 100 Better Specs
Display Size	6.72 in	7.92 in Bigger Display
Display Resolution	1080 x 2400 pixels	2088 x 2250 pixels Better Resolution
Screen To Body Ratio	~ 91.4%	~ 180.8% Less Bezels
RAM	8 GB	12 GB More RAM
Storage	128 GB	512 GB More Storage
CPU Clock Speed	2.2 GHz	2.96 GHz Faster Clock Speed
Rear Camera	50 MP + 2 MP Dual	108 MP + 20 MP + 12 MP Triple Better Camera Resolution
Front Camera	8 MP Better Front Camera Resolution
Weight	188 g Lighter	241 g
Thickness	7.69 mm Slimmer	10.4 mm
Battery	5000 mAh Bigger Battery	4050 mAh
Unique Features	3.5mm Audio Jack No Memory Card Support No Reverse Charging	No Water Resistant No Wireless Charging No

General

Model	12x	Mi Mix Alpha
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	Nano SIM
Device Type	Smartphone	Smartphone
Release Date	April 02, 2024	September 24, 2019
In The Box	Realme 12x, Power Adapter, USB Type-C Cable, Important Product Information (Including the Warranty Card), Quick Guide, SIM Card Needle, Screen Protect Film, Protect Case

Design

Dimensions	76.1 x 165.6 x 7.69 mm	72.3 x 154.4 x 10.4 mm
Weight	188 g	241 g
Bezel less	No
Colors	Twilight Purple, Woodland Green

Display

Type	Color IPS Screen (16.7M)	Color Super AMOLED Screen (16M Colors)
Touch	Yes, 240 Hz Touch Sampling Rate	Yes
Size	6.72 inches, 1080 x 2400 pixels, 120 Hz	7.92 inches, 2088 x 2250 pixels
Aspect Ratio	20:9	19.5:9
PPI	~ 395 PPI	~ 388 PPI
Screen to Body Ratio	~ 91.4%	~ 180.8%
Features	Brightness: 800nit (typ)/950nit (HBM）	Surround Display, Curved Display
Notch	Yes, Punch Hole
Curved Display		Yes
Dual Display		No

Memory

RAM	8 GB	12 GB
Expandable RAM	Upto 8 GB Extra Virtual RAM
Storage	128 GB	512 GB
Card Slot	Yes, upto 2 TB	No

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
5G	Yes	Yes
5G Bands	NR: n1/n3/n5/n8/n28B/n40/n41(2535-2655MHz)/n77/n78
VoLTE	Yes, Dual Stand-By	Yes, Dual Stand-By
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Wifi Version	Wi-Fi 5, Wi-Fi 4 & 802.11a/b/g/n/ac
Bluetooth	Yes, v5.3, Support SBC, AAC, APTX, APTX-HD, LDAC, LHDC	Yes, v5.0
USB	Yes, USB-C v2.0	Yes, USB-C v1.0
USB Features	USB Tethering, USB on-the-go, USB Charging, USB Storage	USB Tethering, USB Charging

Extra

GPS	Yes, with GPS, Beidou, Glonass, Galileo, QZSS	Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
Fingerprint Sensor	Yes, Side	Yes, Side
Face Unlock	Yes	Yes
Sensors	Geomagnetic Sensor, Light Sensor, Proximity Sensor, Gyro-meter, Acceleration Sensor	Accelerometer, Gyro, Proximity, Compass, Barometer
3.5mm Headphone Jack	Yes	No
Water Resistance		Yes
Splash Resistant	Yes
IP Rating	IP54	IP68
Dust Resistant	Yes	Yes
Extra Features	Dual Stereo Speakers, Air Gestures, Rainwater Smart Touch, VC Cooling System, LPDDR4 RAM, 5G + 5G Dual Mode, Hi-Res Audio Certification, Antenna Array Matrix System 2.0, Mini Capsule 2.0	UFS 3.0

Camera

Rear Camera	50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) 22 mm, 1/5, Black & White Camera	108 MP ƒ/1.7 (Wide Angle) 12 MP ƒ/2 (Telephoto) 20 MP ƒ/2.2 (Ultra Wide)
Auto Focus	Yes	Yes, Phase Detection autofocus
Features	Photo, Video, Night, Street, Pro, Pano, Portrait, Time-Lapse, Slo-Mo, Text Scanner, 50M, Tilt-Shift, Movie, Dual-View Video	HDR, Panorama
Video Recording	1080p @ 30 fps FHD	2160p @ 30 fps UHD, 1080p @ 30/960 fps FHD
Flash	Yes, LED	Yes, Dual LED
Front Camera	8 MP ƒ/2 (Wide Angle) 80° Punch Hole, Screen Flash	Rear Selfie
Front Video Recording	1080p @ 30 fps FHD

Technical

OS	Android v14	Android v10
Custom UI	Realme UI 5.0
Chipset	Mediatek Dimensity 6100 Plus	Qualcomm Snapdragon 855+
CPU	2.2 GHz, Octa Core Processor	2.96 GHz, Octa Core Processor
Core Details	2xCortex-A76@2.2 GHz & 6xCortex-A55@2.0 GHz	2.96 GHz, Single core, Kryo 485 + 2.42 GHz, Tri core, Kryo 485 + 1.8 GHz, Quad core, Kryo 485
GPU	Mali-G57 MC2	Adreno 640 (700 MHz)
Java	No	No
Browser	Yes	Yes, supports HTML5

Multimedia

Email	Yes	Yes
Music	MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA	Yes
Video	AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV	Yes
FM Radio	No	No
Document Reader	Yes	Yes

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	5000 mAh	4050 mAh, Li-Po Battery
Fast Charging	Yes, 45W SUPERVOOC Charge	Yes, 40W Fast Charging
Wireless Charging		Yes
Reverse Charging	Yes

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