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 type	Laptop	Laptop
Product colourDiffers	Black	Red
Form factor	Clamshell	Clamshell
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
Touchscreen	No	No
HD typeKnown for one	Full HD	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor15 differ
Processor manufacturer	Intel	Intel
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 lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-4700 Mobile series	Intel Celeron 1000 series for Mobile
Processor codenameDiffers	Haswell	Ivy Bridge
Bus typeDiffers	DMI2	DMI
FSB Parity	No	No
SteppingDiffers	C0	P0
Thermal Design Power (TDP)Differs	37 W	35 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	3.0	2.0
ECC supported by processor	No	No
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Memory2 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
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
Number of HDDs installed	1	1
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
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	SD, SDIO	Unknown — not stated by the source
Graphics5 differ
On-board graphics card	Yes	Yes
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 family	Intel® HD Graphics	Intel® HD Graphics
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
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Optical driveidentical
LightScribe	No	No
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Bluetooth	Yes	Yes
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 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
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
Spill-resistant keyboard	Yes	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
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
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
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 Rapid Storage Technology	No	No
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 Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
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® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	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
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
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
DC-in jack	Yes	Yes
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
64-bit computing	Yes	Yes
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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