Product comparison · 2 laptops

Lenovo ThinkPad 540 Intel® Core™ i7 i7-4500U vs Lenovo Flex 10

105specifications compared
57differ
48identical
52known for one product only

Key differences

Display diagonal
- ThinkPad 540 Intel® Core™ i7 i7-4500U:35.6 cm (14")
- Flex 10:25.6 cm (10.1")
Display resolution
- ThinkPad 540 Intel® Core™ i7 i7-4500U:1920 x 1080 pixels
- Flex 10:1366 x 768 pixels
Processor family
- ThinkPad 540 Intel® Core™ i7 i7-4500U:Intel® Core™ i7
- Flex 10:Intel® Celeron®
Processor model
- ThinkPad 540 Intel® Core™ i7 i7-4500U:i7-4500U
- Flex 10:N2810
Processor threads
- ThinkPad 540 Intel® Core™ i7 i7-4500U:4
- Flex 10:2
Processor frequency
- ThinkPad 540 Intel® Core™ i7 i7-4500U:1.8 GHz
- Flex 10:2 GHz
Processor cache
- ThinkPad 540 Intel® Core™ i7 i7-4500U:4 MB
- Flex 10:1 MB
Processor socket
- ThinkPad 540 Intel® Core™ i7 i7-4500U:BGA 1168
- Flex 10:BGA 1170

Side by side

Differences highlightedShow differences only

Comparison of 540, Flex 10
157 specifications	A Lenovo ThinkPad 540 Intel® Core™ i7 i7-4500U Model 540 View product	B Lenovo Flex 10 View product
Design1 differ
Product typeKnown for one	Unknown — not stated by the source	Laptop
Product colour	Black	Black
Form factorDiffers	Clamshell	Convertible (Fold-back screen)
Display2 differ
Display diagonalDiffers	35.6 cm (14")	25.6 cm (10.1")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
Touchscreen	Yes	Yes
Touch technology	Multi-touch	Multi-touch
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
HD typeKnown for one	Full HD	Unknown — not stated by the source
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Celeron®
Processor modelDiffers	i7-4500U	N2810
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	1.8 GHz	2 GHz
Processor cacheDiffers	4 MB	1 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1168	BGA 1170
Processor lithography	22 nm	22 nm
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Core i7-4500 Mobile series	Intel Celeron Processor N2000 Series for Mobile
Processor codenameDiffers	Haswell	Bay Trail
FSB Parity	No	No
SteppingDiffers	C0	B2
Thermal Design Power (TDP)Differs	15 W	7.5 W
Scenario Design Power (SDP)Known for one	Unknown — not stated by the source	1.5 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	12	4
PCI Express configurationsDiffers	2x4	1x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Processor generationKnown for one	4th gen Intel® Core™ i7	Unknown — not stated by the source
Processor boost frequencyKnown for one	3 GHz	Unknown — not stated by the source
Bus typeKnown for one	DMI2	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	8 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1600 MHz	1333 MHz
Memory form factorKnown for one	Unknown — not stated by the source	On-board
Maximum internal memoryDiffers	8 GB	2 GB
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	256 GB	500 GB
Storage mediaDiffers	SSD	HDD
Number of HDDs installed	1	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Optical drive type	No	No
Card reader integratedDiffers	Yes	No
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics
On-board graphics card base frequencyDiffers	200 MHz	313 MHz
On-board graphics card burst frequencyKnown for one	Unknown — not stated by the source	756 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	756 MHz
Maximum on-board graphics card memoryKnown for one	1.74 GB	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	12	Unknown — not stated by the source
On-board graphics card IDKnown for one	0xA16	Unknown — not stated by the source
Audioidentical
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	1 W	Unknown — not stated by the source
Cameraidentical
Front camera	Yes	Yes
Optical driveidentical
LightScribe	No	No
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	Yes	No
Bluetooth	Yes	Yes
WWANKnown for one	Installed	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantity	1	1
DisplayPorts quantityDiffers	1	0
DVI portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputsDiffers	1	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	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
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypadKnown for one	Unknown — not stated by the source	No
Windows keysKnown for one	Unknown — not stated by the source	Yes
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installed	Windows 8	Windows 8
Operating system architectureDiffers	64-bit	32-bit
Processor special features18 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
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 nm
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 TechnologyDiffers	Yes	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology versionDiffers	1.00	0.00
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
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)Differs	Yes	No
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® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	75460	76753
Processor codeDiffers	SR16Z	SR1LX
Processor package sizeDiffers	40 x 24 x 1.5 mm	25 x 27 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Conflict-Free processor	Yes	Yes
Intel ME Firmware VersionKnown for one	9.5	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® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for one	Yes	Unknown — not stated by the source
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX 2.0, SSE4.1, SSE4.2	Unknown — not stated by the source
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	4	3
Battery life (max)Differs	9 h	4 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Weight & dimensions4 differ
WeightDiffers	2.36 kg	1.2 kg
WidthDiffers	379 mm	273 mm
DepthDiffers	252 mm	188.5 mm
HeightDiffers	22.8 mm	21 mm
Other featuresidentical
3DKnown for one	No	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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