OnePlus 8 vs Xiaomi Mi 4

Compare recorded specifications, size and practical differences.

OnePlus 8

Replace 8

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Xiaomi Mi 4

Replace Mi 4

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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 technologyOLED versus LCD8: OLED · Mi 4: LCD
WeightMi 4: 31 g lighterMi 4: 149 g · 8: 180 g
WidthMi 4: 4.4 mm narrowerMi 4: 68.5 mm · 8: 72.9 mm
Screen diagonalMi 4: 1.55 in smaller diagonalMi 4: 5 in · 8: 6.55 in
ChipsetQualcomm SM8250 Snapdragon 865 (7 nm+) / Qualcomm MSM8974AC Snapdragon 801 (28 nm)8: Qualcomm SM8250 Snapdragon 865 (7 nm+) · Mi 4: Qualcomm MSM8974AC Snapdragon 801 (28 nm)
Rear camera layoutTriple / Single8: Triple · Mi 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.

Front

Side

1. 8
Height
160.2 mm+21 mm versus Mi 4
Width
72.9 mm+4.4 mm versus Mi 4
Depth
8 mm

Weight
180 g
2. Mi 4
Height
139.2 mm
Width
68.5 mm
Depth
8.9 mm+0.9 mm versus 8

Weight
149 g

Weight

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

1. 8180 g

+31 g versus Mi 4
2. Mi 4149 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.

Screen size

1. 8 6.55 in · 20:9 About 103.6 cm² rectangular area
2. Mi 4 5 in · 16:9 About 68.9 cm² rectangular area

8 has approximately 50.3% more rectangular screen area than Mi 4.

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 by storage capacity and phone
Storage	8	Mi 4
128 GB	8 GB RAM	Unknown
256 GB	12 GB RAM	Unknown

Mi 4: Original memory entry

16/64 GB · 2/3 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. 8

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

2. Mi 4

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

Battery capacity

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

Recorded capacity

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

1. 84300 mAh

+1220 mAh versus Mi 4
2. Mi 43080 mAh

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. 82. Mi 4

Everyday essentials

Everyday essentials
Specification	8	Mi 4
Dimensions (HxWxD)	160.2 Х 72.9 Х 8 mm	139.2 Х 68.5 Х 8.9 mm
Weight	180 g	149 g
Technology	Fluid AMOLED	IPS LCD
Screen size	6.55" inch	5" inch
Screen resolution	1080 x 2400 px	1080 x 1920 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128GB 8GB RAM 256GB 12GB RAM	16/64 GB 2/3 GB RAM
Memory card support	No	No
BatteryCapacity is not battery life. No endurance test is implied.	4300 mAh Non-removable Li-Po	3080 mAh Non-removable Li-Ion
Operating system OS	Android 10.0; OxygenOS 10.0	Android 4.4.3 (KitKat) upgradable to 6.0.1 (Marshmallow); MIUI 10
Chipset	Qualcomm SM8250 Snapdragon 865 (7 nm+)	Qualcomm MSM8974AC Snapdragon 801 (28 nm)
NFC	Yes	Unknown
Headphone jack	No	Yes

Display

Display
Specification	8	Mi 4
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	103.6 cm2	68.9 cm2
Screen format	20:9 (height:width)	16:9 (height:width)
Screen to body ratio	88.7%	72.3%
PPI /points per inch/	402 PPI	441 PPI
Screen protection	Corning Gorilla Glass	Unknown

Camera and Video

Camera and Video
Specification	8	Mi 4
Rear camera, main	48 MP Triple	13 MP Single
Camera specs	48 MP f/1.8 25mm (wide) 1/2.0'' 0.8µm PDAF OIS -16 MP f/2.2 13mm (ultrawide) PDAF -2 MP f/2.4 (macro)	13 MP f/1.8 1/3'' 1.12µm AF
Functions	Auto-HDR	LED flash panorama HDR
Video	1080p@30fps gyro-EIS	1080p@30fps
Front camera, selfie	16 MP Single	8 MP Single
Specifications	16 MP f/2.0 (wide) 1/3'' 1.0µm	8 MP f/1.8

Performance

Performance
Specification	8	Mi 4
Processor CPU	Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)	Quad-core 2.5 GHz Krait 400
Graphics processor GPU	Adreno 650	Adreno 330
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	61632
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	891
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	1967
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	1997

General specs

General specs
Specification	8	Mi 4
Release date	2020 April 14	2014 July
Colors	Onyx Black Glacial Green Interstellar Glow Polar Silver	Black White
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	700 EUR	230 EUR
Battery life	Unknown	Stand by time- Up to 280 h (3G)
Body build	Glass front (Gorilla Glass) glass back (Gorilla Glass) aluminum frame	aluminum frame plastic back

Communication and Connectivity

Communication and Connectivity
Specification	8	Mi 4
SIM card	Dual SIM (Nano-SIM dual stand-by)	Micro-SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 13(700) 17(700) 18(800) 19(800) 20(800) 25(1900) 26(850) 28(700) 32(1500) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500) 42(3500) 46(5200) 66(1700/2100) - EU -5G - 5G band 1(2100) 78(3500); SA/NSA - EU 5G band 2(1900) 66(1700) 71(600); SA/NSA - NA 5G band 78(3500); SA/NSA - IN 5G band 41(2500) 78(3500) 79(4700); SA/NSA - CNmmWave - Verizon exclusive	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions CDMA 800 / 1900 - Telecom 3G model -3G - TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model Telecom 3G model CDMA2000 1xEV-DO - Telecom 3G model -4G - LTE band 38(2600) 39(1900) 40(2300) - 4G model
Speed	HSPA 42.2/5.76 Mbps LTE-A (5CA) Cat18 1200/150 Mbps 5G 7.5 Gbps DL	HSPA 42.2/5.76 Mbps LTE EV-DO Rev.A 3.1 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac/ax dual-band Wi-Fi Direct DLNA hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct DLNA hotspot
GPS	Yes with dual-band A-GPS GLONASS BDS GALILEO SBAS	Yes with A-GPS GLONASS BDS
USB	3.1 Type-C 1.0 reversible connector USB On-The-Go	microUSB 2.0 USB Host
Bluetooth	5.1 A2DP LE aptX HD	4.0 A2DP
Harmful irradiation	Unknown	SAR - 1.36 W/kg (head)

Music and Audio

Music and Audio
Specification	8	Mi 4
Radio	No	FM radio
Others	HDR10+ -90Hz refresh rate	Active noise cancellation with dedicated mic

Other features

Other features
Specification	8	Mi 4
Dop	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast charging 30W 50% in 22 min (advertised) - IP68 dust/water resistant (up to 1.5m for 30 mins)	Sensors Accelerometer gyro proximity compass barometer Infrared port - Fast battery charging (Quick Charge 2.0)

OnePlus 8 vs Xiaomi Mi 4

OnePlus 8

Xiaomi Mi 4

Key differences

Physical size

Screen size

Memory variants

Practical features

1. 8

2. Mi 4

Battery capacity

Specifications

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