Xiaomi Mi 8 Explorer vs Xiaomi Redmi 4: 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 8 Explorer:

OLED

Redmi 4:

LCD
Weight

Redmi 4: 27 g lighter

Mi 8 Explorer:

177 g

Redmi 4:

150 g
Width

Redmi 4: 4.8 mm narrower

Mi 8 Explorer:

74.8 mm

Redmi 4:

70 mm
Screen diagonal

Redmi 4: 1.21 in smaller diagonal

Mi 8 Explorer:

6.21 in

Redmi 4:

5 in
Chipset

Mi 8 Explorer:

Qualcomm SDM845 Snapdragon 845 (10 nm)

Redmi 4:

Qualcomm MSM8940 Snapdragon 435 (28 nm)
Rear camera layout

Mi 8 Explorer:

Dual

Redmi 4:

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 8 Explorer

Height:

154.9 mm +15.7 mm versus Redmi 4
Width:

74.8 mm +4.8 mm versus Redmi 4
Depth:

7.6 mm
2. Redmi 4

Height:

139.2 mm
Width:

70 mm
Depth:

8.7 mm +1.1 mm versus Mi 8 Explorer

Weight

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

1. Mi 8 Explorer

177 g

+27 g versus Redmi 4
2. Redmi 4

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 8 Explorer

Mi 8 Explorer: Screen geometry unavailable or conflicting.
2. Redmi 4

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.

Recorded RAM for Mi 8 Explorer, Redmi 4, compared at the same storage capacity.
Storage	Mi 8 Explorer	Redmi 4
128 GB	8 GB RAM	Unknown

Redmi 4: 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 8 Explorer

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

2. Redmi 4

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 8 Explorer

3000 mAh
2. Redmi 4

4100 mAh

+1100 mAh versus Mi 8 Explorer

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 8 Explorer2. Redmi 4

Everyday essentials

Everyday essentials — specifications for Mi 8 Explorer, Redmi 4.
Specification	Mi 8 Explorer	Redmi 4
Dimensions (HxWxD)	154.9 Х 74.8 Х 7.6 mm	139.2 Х 70 Х 8.7 mm
Weight	177 g	150 g
Technology	Super AMOLED	IPS LCD
Screen size	6.21" inch	5" inch
Screen resolution	1080 x 2248 px	720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128 GB 8 GB RAM	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.	3000 mAh Non-removable Li-Po	4100 mAh Non-removable Li-Po
Operating system OS	Android 8.1 (Oreo) upgradable to Android 9.0 (Pie); MIUI 10.1	Android 6.0.1 (Marshmallow) upgradable to 7.1.2 (Nougat); MIUI 10
Chipset	Qualcomm SDM845 Snapdragon 845 (10 nm)	Qualcomm MSM8940 Snapdragon 435 (28 nm)
NFC	Yes	Unknown
Headphone jack	No	Yes

Display

Display — specifications for Mi 8 Explorer, Redmi 4.
Specification	Mi 8 Explorer	Redmi 4
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	97.1 cm2	68.9 cm2
Screen format	Unknown	16:9 (height:width)
Screen to body ratio	83.8%	70.7%
PPI /points per inch/	0 PPI	294 PPI
Screen protection	Corning Gorilla Glass 5	Corning Gorilla Glass (unspecified version)

Camera and Video

Camera and Video — specifications for Mi 8 Explorer, Redmi 4.
Specification	Mi 8 Explorer	Redmi 4
Rear camera, main	12 MP Dual	13 MP Single
Camera specs	12 MP f/1.8 1/2.55'' 1.4µm 4-axis OIS dual pixel PDAF -12 MP f/2.4 1/3.4'' 1.0µm AF 2x optical zoom	13 MP PDAF f/2.0
Functions	Dual-LED flash HDR panorama	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	20 MP Single	5 MP Single
Specifications	20 MP f/2.0 0.9μm	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 8 Explorer, Redmi 4.
Specification	Mi 8 Explorer	Redmi 4
Processor CPU	Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)	Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU	Adreno 630	Adreno 505
Antutu 7 score *	Unknown	42175
GeekBench 4 Single Core *	Unknown	837
GeekBench 4 Multi-Core *	Unknown	2810
GeekBench 4 RenderScript *	Unknown	2630
GeekBench 5 Single Core *	Unknown	175
GeekBench 5 Multi-Core *	Unknown	995

General specs

General specs — specifications for Mi 8 Explorer, Redmi 4.
Specification	Mi 8 Explorer	Redmi 4
Release date	2018 May	2017 May
Colors	Black (transparent back)	Black Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	500 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	Front/back glass aluminum frame (7000 series)	Front glass aluminum body

Communication and Connectivity

Communication and Connectivity — specifications for Mi 8 Explorer, Redmi 4.
Specification	Mi 8 Explorer	Redmi 4
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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 17(700) 20(800) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500)	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 (4CA) Cat16 1024/150 Mbps	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 8 Explorer, Redmi 4.
Specification	Mi 8 Explorer	Redmi 4
Radio	No	FM radio
Others	HDR10 -DCI-P3 Active noise cancellation with dedicated mic	Active noise cancellation with dedicated mic

Other features

Other features — specifications for Mi 8 Explorer, Redmi 4.
Specification	Mi 8 Explorer	Redmi 4
Dop	Sensors Face ID fingerprint (under display) accelerometer gyro proximity barometer compass - Fast battery charging (Quick Charge 4.0+) - For China	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass Infrared port - Also known as Xiaomi Redmi 4X for China Malaysia Pakistan Indonesia

Xiaomi Mi 8 Explorer vs Xiaomi Redmi 4