Nokia E51 vs Xiaomi Mi 4

Compare recorded specifications, size and practical differences.

Nokia E51

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Xiaomi 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.

WeightE51: 49 g lighterE51: 100 g · Mi 4: 149 g
WidthE51: 22.5 mm narrowerE51: 46 mm · Mi 4: 68.5 mm
Screen diagonalE51: 3 in smaller diagonalE51: 2 in · Mi 4: 5 in
DepthMi 4: 3.1 mm thinnerMi 4: 8.9 mm · E51: 12 mm
HeightE51: 24.4 mm shorterE51: 114.8 mm · Mi 4: 139.2 mm
Release year2007 / 2014E51: 2007 · 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.

Front

Side

1. E51
Height
114.8 mm
Width
46 mm
Depth
12 mm

Weight
100 g
2. Mi 4
Height
139.2 mm
Width
68.5 mm
Depth
8.9 mm

Weight
149 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials

Everyday essentials
Specification	E51	Mi 4
Dimensions (HxWxD)	114.8 Х 46 Х 12 mm	139.2 Х 68.5 Х 8.9 mm
Weight	100 g	149 g
Technology	TFT	IPS LCD
Screen size	2" inch	5" inch
Screen resolution	240 x 320 px	1080 x 1920 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	130 MB 96 MB RAM	16/64 GB 2/3 GB RAM
Memory card support	microSD up to 16 GB (dedicated slot)	No
BatteryCapacity is not battery life. No endurance test is implied.	1050 mAh Removable Li-Ion	3080 mAh Non-removable Li-Ion
Operating system OS	Symbian OS 9.2 Series 60 v3.1 UI	Android 4.4.3 (KitKat) upgradable to 6.0.1 (Marshmallow); MIUI 10
Chipset	Unknown	Qualcomm MSM8974AC Snapdragon 801 (28 nm)
Headphone jack	No	Yes

Display

Display
Specification	E51	Mi 4
Touchscreen	Unknown	capacitive touchscreen
Display colors	16M	16M
Screen area	12.4 cm2	68.9 cm2
Screen format	4:3 (height:width)	16:9 (height:width)
Screen to body ratio	23.5%	72.3%
PPI /points per inch/	200 PPI	441 PPI

Camera and Video

Camera and Video
Specification	E51	Mi 4
Rear camera, main	2 MP Single	13 MP Single
Camera specs	2 MP	13 MP f/1.8 1/3'' 1.12µm AF
Functions	Unknown	LED flash panorama HDR
Video	320p@15fps	1080p@30fps
Front camera, selfie	0 MP,	8 MP Single
Specifications	Unknown	8 MP f/1.8

Performance

Performance
Specification	E51	Mi 4
Processor CPU	369 MHz ARM 11	Quad-core 2.5 GHz Krait 400
Graphics processor GPU	Unknown	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	E51	Mi 4
Release date	2007 September	2014 July
Colors	Black Silver	Black White
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	120 EUR	230 EUR
Battery life	Stand by time- Up to 310 h Talking time- Up to 4 h 20 min	Stand by time- Up to 280 h (3G)
Body build	Unknown	aluminum frame plastic back

Communication and Connectivity

Communication and Connectivity
Specification	E51	Mi 4
SIM card	Mini-SIM	Micro-SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900	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 3.6/0.384 Mbps	HSPA 42.2/5.76 Mbps LTE EV-DO Rev.A 3.1 Mbps
GPRS	Class 32	Yes
Edge	Class 32	Yes
Wi-Fi	Wi-Fi 802.11b/g VoIP over WLAN	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct DLNA hotspot
GPS	No	Yes with A-GPS GLONASS BDS
USB	miniUSB 2.0	microUSB 2.0 USB Host
Bluetooth	2.0 A2DP	4.0 A2DP
Harmful irradiation	SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)	SAR - 1.36 W/kg (head)

Music and Audio

Music and Audio
Specification	E51	Mi 4
Radio	FM radio	FM radio
Others	Five-way scroll key -Downloadable themes 2.5 mm audio jack	Active noise cancellation with dedicated mic

Other features

Other features
Specification	E51	Mi 4
Dop	Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word Excel PowerPoint PDF) incl. MS Office 2007 support via free update -Predictive text input -Voice command/memo -Organizer	Sensors Accelerometer gyro proximity compass barometer Infrared port - Fast battery charging (Quick Charge 2.0)