Product comparison · 2 laptops

Lenovo Edge E540 vs Lenovo Essential G400s Intel® Celeron® 1005M Laptop

124specifications compared
55differ
69identical
54known for one product only

Key differences

Product colour
- Edge E540:Black
- Essential G400s Intel® Celeron® 1005M Laptop:Red
Display diagonal
- Edge E540:39.6 cm (15.6")
- Essential G400s Intel® Celeron® 1005M Laptop:35.6 cm (14")
Display resolution
- Edge E540:1920 x 1080 pixels
- Essential G400s Intel® Celeron® 1005M Laptop:1366 x 768 pixels
Processor family
- Edge E540:Intel® Core™ i7
- Essential G400s Intel® Celeron® 1005M Laptop:Intel® Celeron®
Processor model
- Edge E540:i7-4702MQ
- Essential G400s Intel® Celeron® 1005M Laptop:1005M
Processor cores
- Edge E540:4
- Essential G400s Intel® Celeron® 1005M Laptop:2
Processor threads
- Edge E540:8
- Essential G400s Intel® Celeron® 1005M Laptop:2
Processor frequency
- Edge E540:2.2 GHz
- Essential G400s Intel® Celeron® 1005M Laptop:1.9 GHz

Side by side

Differences highlightedShow differences only

Comparison of Edge E540, G400s
178 specifications	A Lenovo Edge E540 View product	B Lenovo Essential G400s Intel® Celeron® 1005M Laptop Model G400s View product
Design1 differ
Product colourDiffers	Black	Red
Market positioningKnown for one	Business	Unknown — not stated by the source
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
HD typeKnown for one	Full HD	Unknown — not stated by the source
Processor15 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Celeron®
Processor generationKnown for one	4th gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-4702MQ	1005M
Processor coresDiffers	4	2
Processor threadsDiffers	8	2
Processor boost frequencyKnown for one	3.2 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.2 GHz	1.9 GHz
Processor cacheDiffers	6 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
L3 cacheKnown for one	6 MB	Unknown — not stated by the source
Processor socketDiffers	PGA946	PGA988
Processor seriesDiffers	Intel Core i7-4700 Mobile series	Intel Celeron 1000 series for Mobile
Processor codenameDiffers	Haswell	Ivy Bridge
Bus typeDiffers	DMI2	DMI
SteppingDiffers	C0	P0
Thermal Design Power (TDP)Differs	37 W	35 W
TjunctionDiffers	100 °C	105 °C
PCI Express slots versionDiffers	3.0	2.0
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Memory2 differ
Internal memoryDiffers	4 GB	2 GB
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory layout (slots x size)Differs	1 x 8 GB	1 x 2 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	1 TB	500 GB
Storage mediaDiffers	HDD+SSD	HDD
HDD capacityDiffers	1 TB	500 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	16 GB	Unknown — not stated by the source
SSD interfaceKnown for one	M.2	Unknown — not stated by the source
Optical drive typeDiffers	DVD±RW	DVD Super Multi
Compatible memory cardsKnown for one	SD, SDIO	Unknown — not stated by the source
Graphics5 differ
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 740M	Not available
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics 4600	Intel® HD Graphics
Maximum on-board graphics card memoryKnown for one	1.74 GB	Unknown — not stated by the source
On-board graphics card base frequencyDiffers	400 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1000 MHz
On-board graphics card DirectX versionKnown for one	11.1	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x416	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Dolby Enhanced Audio V2	Unknown — not stated by the source
Network1 differ
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Data networkKnown for one	Unknown — not stated by the source	Not supported
4G WiMAXKnown for one	Unknown — not stated by the source	No
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	No
Ports & interfacesidentical
USB Sleep-and-ChargeKnown for one	Yes	Unknown — not stated by the source
USB Sleep-and-Charge portsKnown for one	1	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® HM87	Unknown — not stated by the source
Keyboard2 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Professional	FreeDOS
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Recovery operating systemKnown for one	Windows 8 Pro	Unknown — not stated by the source
Processor special features16 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NIKnown for one	No	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	75119	75193
Processor codeDiffers	SR15J	SR103
Processor package sizeDiffers	37.5 x 32 x 1.6 mm	37.5x37.5 (rPGA988B)
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	SSE4.1, SSE4.2
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 nm
Battery2 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsDiffers	6	4
Battery capacityKnown for one	48 Wh	Unknown — not stated by the source
Battery life (max)Differs	6.5 h	4 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	HDD, Power on, Supervisor	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.46 kg	2.2 kg
WidthDiffers	377 mm	349 mm
DepthDiffers	250 mm	244 mm
Height (front)Known for one	2.66 cm	Unknown — not stated by the source
Height (rear)Known for one	2.96 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	26.9 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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