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
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
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 familyDiffers	Intel® Core™ i7	Intel® Celeron®
Processor modelDiffers	i7-4500U	N2810
Processor threadsDiffers	4	2
Processor frequencyDiffers	1.8 GHz	2 GHz
Processor cacheDiffers	4 MB	1 MB
Processor socketDiffers	BGA 1168	BGA 1170
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
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
Maximum number of PCI Express lanesDiffers	12	4
PCI Express configurationsDiffers	2x4	1x4
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
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
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Card reader integratedDiffers	Yes	No
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
Graphics3 differ
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 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
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
Network1 differ
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
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
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
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 architectureDiffers	64-bit	32-bit
Processor special features18 differ
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 nm
Intel FDI TechnologyDiffers	Yes	No
Intel Identity Protection Technology versionDiffers	1.00	0.00
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	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® 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
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
Number of battery cellsDiffers	4	3
Battery life (max)Differs	9 h	4 h
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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