Product comparison · 2 laptops

Lenovo Edge S540 vs Lenovo G400s Touch

136specifications compared
50differ
86identical
51known for one product only

Key differences

Display diagonal
- Edge S540:39.6 cm (15.6")
- G400s Touch:35.6 cm (14")
Display resolution
- Edge S540:1920 x 1080 pixels
- G400s Touch:1366 x 768 pixels
HD type
- Edge S540:Full HD
- G400s Touch:Not supported
Processor family
- Edge S540:Intel® Core™ i7
- G400s Touch:Intel® Core™ i5
Processor generation
- Edge S540:4th gen Intel® Core™ i7
- G400s Touch:3rd gen Intel® Core™ i5
Processor model
- Edge S540:i7-4500U
- G400s Touch:i5-3230M
Processor boost frequency
- Edge S540:3 GHz
- G400s Touch:3.2 GHz
Processor frequency
- Edge S540:1.8 GHz
- G400s Touch:2.6 GHz

Side by side

Differences highlightedShow differences only

Comparison of Edge S540, G400s Touch
187 specifications	A Lenovo Edge S540 View product	B Lenovo G400s Touch View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
Touchscreen	Yes	Yes
Touchscreen typeKnown for one	Capacitive	Unknown — not stated by the source
HD typeDiffers	Full HD	Not supported
Touch technology	Multi-touch	Multi-touch
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i7	3rd gen Intel® Core™ i5
Processor modelDiffers	i7-4500U	i5-3230M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3 GHz	3.2 GHz
Processor frequencyDiffers	1.8 GHz	2.6 GHz
Processor cacheDiffers	4 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1168	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-4500 Mobile series	Intel Core i5-3200 Mobile series
Processor codenameDiffers	Haswell	Ivy Bridge
Bus typeDiffers	DMI2	DMI
FSB Parity	No	No
SteppingDiffers	C0	L1
Thermal Design Power (TDP)Differs	15 W	35 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
ECC supported by processor	No	No
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	26
Memory1 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
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
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Storage4 differ
Total storage capacityDiffers	256 GB	1 TB
Storage mediaDiffers	SSD	HDD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	256 GB	Unknown — not stated by the source
SSD interfaceKnown for one	SATA III	Unknown — not stated by the source
Optical drive typeDiffers	No	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	MMC, SD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	AMD Radeon HD 8670M	Unknown — not stated by the source
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 4400	Intel® HD Graphics 4000
Maximum on-board graphics card memoryKnown for one	1.74 GB	Unknown — not stated by the source
On-board graphics card base frequencyDiffers	200 MHz	650 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card DirectX versionKnown for one	12	Unknown — not stated by the source
On-board graphics card IDDiffers	0xA16	0x166
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Number of discrete graphics cards supportedKnown for one	1	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Dolby Home Theater v4	Dolby Advanced Audio
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Network2 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
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	0	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 quantityDiffers	0	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	0	1
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inDiffers	No	Yes
Docking connectorKnown for one	Yes	Unknown — not stated by the source
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Total number of SATA connectorsKnown for one	4	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
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
Thunderbolt 2 ports quantityKnown for one	Unknown — not stated by the source	0
Keyboard2 differ
Pointing deviceDiffers	Clickpad	Touchpad
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
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 8 Pro	Windows 8
Operating system architecture	64-bit	64-bit
Processor special features8 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
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 TechnologyDiffers	No	Yes
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 version	1.00	1.00
Intel ME Firmware VersionKnown for one	9.5	Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Smart Connect 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)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® Matrix Storage Technology (Intel® MST)Known for one	Yes	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	75460	72056
Processor codeDiffers	SR16Z	SR0WX
Processor package sizeDiffers	40 x 24 x 1.5 mm	31 x 24 (BGA1023)
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 nm
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Battery1 differ
Battery technologyKnown for one	Lithium Polymer (LiPo)	Unknown — not stated by the source
Number of battery cells	4	4
Battery life (max)Differs	9 h	4 h
Battery capacityKnown for one	Unknown — not stated by the source	41 Wh
Poweridentical
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.36 kg	2.5 kg
WidthDiffers	379 mm	349 mm
DepthDiffers	253 mm	244 mm
Height (front)Known for one	2.07 cm	Unknown — not stated by the source
Height (rear)Known for one	2.27 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	26.9 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Quick start guide	Yes	Yes

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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