Xiaomi Mi Mix Alpha vs Xiaomi Redmi 4X: specs comparison

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Display technology

OLED versus LCD

Mi Mix Alpha:

OLED

Redmi 4X:

LCD
Weight

Redmi 4X: 91 g lighter

Mi Mix Alpha:

241 g

Redmi 4X:

150 g
Width

Redmi 4X: 2.3 mm narrower

Mi Mix Alpha:

72.3 mm

Redmi 4X:

70 mm
Screen diagonal

Redmi 4X: 2.92 in smaller diagonal

Mi Mix Alpha:

7.92 in

Redmi 4X:

5 in
Chipset

Mi Mix Alpha:

Qualcomm SM8150 Snapdragon 855+ (7 nm)

Redmi 4X:

Qualcomm MSM8940 Snapdragon 435 (28 nm)
Rear camera layout

Mi Mix Alpha:

Triple

Redmi 4X:

Single

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. Mi Mix Alpha

Height:

154.4 mm +15.2 mm versus Redmi 4X
Width:

72.3 mm +2.3 mm versus Redmi 4X
Depth:

10.4 mm +1.7 mm versus Redmi 4X
2. Redmi 4X

Height:

139.2 mm
Width:

70 mm
Depth:

8.7 mm

Weight

Bars start at zero and share a scale within this chart.

1. Mi Mix Alpha

241 g

+91 g versus Redmi 4X
2. Redmi 4X

150 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

At least two phones need compatible screen dimensions for a drawing.

1. Mi Mix Alpha

Mi Mix Alpha: Screen geometry unavailable or conflicting.
2. Redmi 4X

Screen diagonal:

5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

68.9 cm²

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Mi Mix Alpha: Original memory entry

512GB 12GB RAM · UFS3.0

Redmi 4X: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM 16 GB · 2 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Mi Mix Alpha

NFC:: Unknown
Headphone jack:: No
Memory card support:: No

2. Redmi 4X

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 128 GB (uses SIM 2 slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. Mi Mix Alpha

4050 mAh
2. Redmi 4X

4100 mAh

+50 mAh versus Mi Mix Alpha

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Mi Mix Alpha2. Redmi 4X

Everyday essentials

Everyday essentials — specifications for Mi Mix Alpha, Redmi 4X.
Specification	Mi Mix Alpha	Redmi 4X
Dimensions (HxWxD)	154.4 Х 72.3 Х 10.4 mm	139.2 Х 70 Х 8.7 mm
Weight	241 g	150 g
Technology	Flexible Super AMOLED	IPS LCD
Screen size	7.92" inch	5" inch
Screen resolution	2088 x 2250 px	720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	512GB 12GB RAM UFS3.0	64 GB 4 GB RAM 32 GB 3 GB RAM 16 GB 2 GB RAM
Memory card support	No	microSD up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.	4050 mAh Non-removable Li-Po	4100 mAh Non-removable Li-Po
Operating system OS	Android 10	Android 6.0.1 (Marshmallow) upgradable to 7.1.2 (Nougat); MIUI 10
Chipset	Qualcomm SM8150 Snapdragon 855+ (7 nm)	Qualcomm MSM8940 Snapdragon 435 (28 nm)
Headphone jack	No	Yes

Display

Display — specifications for Mi Mix Alpha, Redmi 4X.
Specification	Mi Mix Alpha	Redmi 4X
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	201.8 cm2	68.9 cm2
Screen format	Unknown	16:9 (height:width)
Screen to body ratio	180.8%	70.7%
PPI /points per inch/	388 PPI	294 PPI
Screen protection	Unknown	Corning Gorilla Glass (unspecified version)

Camera and Video

Camera and Video — specifications for Mi Mix Alpha, Redmi 4X.
Specification	Mi Mix Alpha	Redmi 4X
Rear camera, main	108 MP Triple	13 MP Single
Camera specs	108 MP f/1.7 (wide) 1/1.33'' 0.8µm PDAF Laser AF -12 MP f/2.0 54mm (telephoto) 1/2.55'' 1.4µm dual pixel PDAF laser AF 2x optical zoom -20 MP f/2.2 13mm (ultrawide) 1/2.8'' 1.0µm	13 MP PDAF f/2.0
Functions	Dual-LED flash HDR panorama	LED flash HDR panorama
Video	3240p@30fps 2160p@30/60fps 1080p@30/120/240fps 1080p@960fps	1080p@30fps
Front camera, selfie	108 MP Triple	5 MP Single
Specifications	uses main camera	5 MP f/2.2

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Mi Mix Alpha, Redmi 4X.
Specification	Mi Mix Alpha	Redmi 4X
Processor CPU	Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)	Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU	Adreno 640 (700 MHz)	Adreno 505
Antutu 7 score *	Unknown	43670
GeekBench 4 Single Core *	Unknown	649
GeekBench 4 Multi-Core *	Unknown	2059
GeekBench 4 RenderScript *	Unknown	2170
Antutu 8 score *	480830	71204
GeekBench 5 Single Core *	Unknown	124
GeekBench 5 Multi-Core *	Unknown	574

General specs

General specs — specifications for Mi Mix Alpha, Redmi 4X.
Specification	Mi Mix Alpha	Redmi 4X
Release date	2019 September	2017 May
Colors	Black	Black Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	2500 EUR	110 EUR
Battery life	Unknown	Stand by time- Up to 432 h (3G) Talking time- Up to 36 h (3G) Music play - Up to 87 h
Body build	Glass front ceramic/glass back titanium alloy frame (TC4)	Front glass aluminum body

Communication and Connectivity

Communication and Connectivity — specifications for Mi Mix Alpha, Redmi 4X.
Specification	Mi Mix Alpha	Redmi 4X
SIM card	Dual SIM (Nano-SIM dual stand-by)	Hybrid Dual SIM (Nano-SIM/ Micro-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500) - China -5G - 5G SA / NSA / Sub6 / mmWave; N41/N78/N79	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 38(2600) 39(1900) 40(2300) 41(2500)
Speed	HSPA 42.2/5.76 Mbps LTE-A (7CA) Cat20 2048/150 Mbps 5G (2+ Gbps DL)	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/100 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct DLNA hotspot	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot
GPS	Yes with dual-band A-GPS GLONASS BDS GALILEO QZSS	Yes with A-GPS GLONASS BDS
USB	Type-C 1.0 reversible connector	microUSB 2.0
Bluetooth	5.0 A2DP LE aptX HD	4.2 A2DP LE

Music and Audio

Music and Audio — specifications for Mi Mix Alpha, Redmi 4X.
Specification	Mi Mix Alpha	Redmi 4X
Radio	No	FM radio
Others	Active noise cancellation with dedicated mic	Active noise cancellation with dedicated mic

Other features

Other features — specifications for Mi Mix Alpha, Redmi 4X.
Specification	Mi Mix Alpha	Redmi 4X
Dop	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass barometer - Fast battery charging 40W	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass Infrared port - Also known as Xiaomi Redmi 4X for China Malaysia Pakistan Indonesia

Xiaomi Mi Mix Alpha vs Xiaomi Redmi 4X