Samsung Galaxy S8 vs Xiaomi Mi 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

Galaxy S8:

OLED

Mi 4:

LCD
Weight

Mi 4: 6 g lighter

Galaxy S8:

155 g

Mi 4:

149 g
Screen diagonal

Mi 4: 0.8 in smaller diagonal

Galaxy S8:

5.8 in

Mi 4:

5 in
Depth

Galaxy S8: 0.9 mm thinner

Galaxy S8:

8 mm

Mi 4:

8.9 mm
Height

Mi 4: 9.7 mm shorter

Galaxy S8:

148.9 mm

Mi 4:

139.2 mm
Release year

Galaxy S8:

2017

Mi 4:

2014

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. Galaxy S8

Height:

148.9 mm +9.7 mm versus Mi 4
Width:

68.1 mm
Depth:

8 mm
2. Mi 4

Height:

139.2 mm
Width:

68.5 mm
Depth:

8.9 mm +0.9 mm versus Galaxy S8

Weight

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

1. Galaxy S8

155 g

+6 g versus Mi 4
2. Mi 4

149 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.

1. Galaxy S8

Screen diagonal:

5.8 in

Aspect ratio (height:width):

18.5:9

Approximate rectangular screen area:

85.4 cm²
2. Mi 4

Screen diagonal:

5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

68.9 cm²

Galaxy S8 has approximately 23.9% 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.

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

Galaxy S8: Original memory entry

64 GB · 512GB 4GB

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. Galaxy S8

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 512 GB (uses SIM 2 slot) - dual SIM model only

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 battery capacity

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

1. Galaxy S8

3000 mAh
2. Mi 4

3080 mAh

+80 mAh versus Galaxy S8

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. Galaxy S82. Mi 4

Everyday essentials

Everyday essentials — specifications for Galaxy S8, Mi 4.
Specification	Galaxy S8	Mi 4
Dimensions (HxWxD)	148.9 Х 68.1 Х 8 mm	139.2 Х 68.5 Х 8.9 mm
Weight	155 g	149 g
Technology	Super AMOLED	IPS LCD
Screen size	5.8" inch	5" inch
Screen resolution	1440 x 2960 px	1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64 GB 512GB 4GB	16/64 GB 2/3 GB RAM
Memory card support	microSD up to 512 GB (uses SIM 2 slot) - dual SIM model only	No
Battery Capacity is not battery life. No endurance test is implied.	3000 mAh Non-removable Li-Ion	3080 mAh Non-removable Li-Ion
Operating system OS	Android 7.0 (Nougat) upgradable to Android 8.0 (Oreo)	Android 4.4.3 (KitKat) upgradable to 6.0.1 (Marshmallow); MIUI 10
Chipset	Exynos 8895 Octa (10 nm) EMEA -Qualcomm MSM8998 Snapdragon 835 (10 nm) USA & China	Qualcomm MSM8974AC Snapdragon 801 (28 nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy S8, Mi 4.
Specification	Galaxy S8	Mi 4
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	84.8 cm2	68.9 cm2
Screen format	18.5:9 (height:width)	16:9 (height:width)
Screen to body ratio	83.6%	72.3%
PPI /points per inch/	570 PPI	441 PPI
Screen protection	Corning Gorilla Glass 5	Unknown

Camera and Video

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

Camera and Video — specifications for Galaxy S8, Mi 4.
Specification	Galaxy S8	Mi 4
Rear camera, main	12 MP Single	13 MP Single
Camera specs	12 MP f/1.7 26mm (wide) 1/2.55'' 1.4µm OIS dual pixel PDAF	13 MP f/1.8 1/3'' 1.12µm AF
Functions	Dual video call Auto-HDR	LED flash panorama HDR
Video	1440p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	8 MP Single
Specifications	8 MP f/1.7 25mm (wide) 1/3.6'' 1.22µm AF	8 MP f/1.8
DxOMark Photo *	71	Unknown
DxOMark Video *	75	Unknown
DxOMark Selfie Score *	73	Unknown

Performance

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

Performance — specifications for Galaxy S8, Mi 4.
Specification	Galaxy S8	Mi 4
Processor CPU	Octa-core (4x2.3 GHz Mongoose M2 & 4x1.7 GHz Cortex-A53) EMEA -Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) USA & China	Quad-core 2.5 GHz Krait 400
Graphics processor GPU	Mali-G71 MP20 EMEA -Adreno 540 USA & China	Adreno 330
Antutu 7 score *	202356	61632
GeekBench 4 Single Core *	1763	891
GeekBench 4 Multi-Core *	6028	1967
GeekBench 4 RenderScript *	8798	1997
Antutu 8 score *	231907	Unknown
GeekBench 4 Battery *	3410	Unknown
GeekBench 5 Single Core *	340	Unknown
GeekBench 5 Multi-Core *	1454	Unknown

General specs

General specs — specifications for Galaxy S8, Mi 4.
Specification	Galaxy S8	Mi 4
Release date	2017 March	2014 July
Colors	Midnight Black Orchid Gray Arctic Silver Coral Blue Maple Gold Rose Pink Burgundy Red	Black White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	390 EUR	230 EUR
Battery life	Talking time- Up to 20 h (3G) Music play - Up to 67 h	Stand by time- Up to 280 h (3G)
Body build	Front/back glass (Gorilla Glass 5) aluminum frame	aluminum frame plastic back

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy S8, Mi 4.
Specification	Galaxy S8	Mi 4
SIM card	Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM dual stand-by)	Micro-SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -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) 13(700) 17(700) 18(800) 19(800) 20(800) 25(1900) 26(850) 28(700) 32(1500) 66(1700/2100) 38(2600) 39(1900) 40(2300) 41(2500)	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) Cat16 1024/150 Mbps	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 dual-band Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct DLNA hotspot
GPS	Yes with A-GPS GLONASS BDS GALILEO	Yes with A-GPS GLONASS BDS
USB	3.1 Type-C 1.0 reversible connector	microUSB 2.0 USB Host
Bluetooth	5.0 A2DP LE aptX	4.0 A2DP
Harmful irradiation	SAR - 0.44 W/kg (head) 0.75 W/kg (body) SAR EU - 0.32 W/kg (head) 1.27 W/kg (body)	SAR - 1.36 W/kg (head)

Music and Audio

Music and Audio — specifications for Galaxy S8, Mi 4.
Specification	Galaxy S8	Mi 4
Radio	No	FM radio
Others	HDR10 -3D Touch (home button only) -Always-on display 32-bit/384kHz audio -Active noise cancellation with dedicated mic	Active noise cancellation with dedicated mic

Other features

Other features — specifications for Galaxy S8, Mi 4.
Specification	Galaxy S8	Mi 4
Dop	Sensors Iris scanner fingerprint (rear-mounted) accelerometer gyro proximity compass barometer heart rate SpO2 - Samsung DeX (desktop experience support) -Fast battery charging (Quick Charge 2.0) -Qi/PMA wireless charging (market dependent) -ANT+ -Bixby natural language commands and dictation - Samsung Pay (Visa MasterCard certified) -IP68 dust/water proof (up to 1.5m for 30 mins) - Versions: G950F (Europe Global Single-SIM); G950FD (Global Dual-SIM); G950U (USA Unlocked); G950A (AT&T); G950P (Sprint); G950T (T-Mobile); G950V (Verizon); G950R4 (US Cellular); G950W (Canada); G950	Sensors Accelerometer gyro proximity compass barometer Infrared port - Fast battery charging (Quick Charge 2.0)

Samsung Galaxy S8 vs Xiaomi Mi 4