Product comparison · 2 laptops

Lenovo T440p DOS CH vs Lenovo W540 DOS CH

166specifications compared
29differ
137identical
11known for one product only

Key differences

Product type
- T440p DOS CH:Laptop
- W540 DOS CH:Mobile workstation
Display diagonal
- T440p DOS CH:35.6 cm (14")
- W540 DOS CH:39.6 cm (15.6")
Display resolution
- T440p DOS CH:1920 x 1080 pixels
- W540 DOS CH:2880 x 1620 pixels
Processor model
- T440p DOS CH:i7-4700MQ
- W540 DOS CH:i7-4800MQ
Processor boost frequency
- T440p DOS CH:3.4 GHz
- W540 DOS CH:3.7 GHz
Processor frequency
- T440p DOS CH:2.4 GHz
- W540 DOS CH:2.7 GHz
Internal memory
- T440p DOS CH:8 GB
- W540 DOS CH:16 GB
Memory layout (slots x size)
- T440p DOS CH:1 x 8 GB
- W540 DOS CH:2 x 8 GB

Side by side

Differences highlightedShow differences only

Comparison of T440p DOS CH, W540 DOS CH
177 specifications	A Lenovo T440p DOS CH View product	B Lenovo W540 DOS CH View product
Design1 differ
Product typeDiffers	Laptop	Mobile workstation
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1920 x 1080 pixels	2880 x 1620 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
Panel typeKnown for one	Unknown — not stated by the source	IPS
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Processor4 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	4th gen Intel® Core™ i7	4th gen Intel® Core™ i7
Processor modelDiffers	i7-4700MQ	i7-4800MQ
Processor cores	4	4
Processor threads	8	8
Processor boost frequencyDiffers	3.4 GHz	3.7 GHz
Processor frequencyDiffers	2.4 GHz	2.7 GHz
Processor cache	6 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	PGA946	PGA946
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-4700 Mobile series	Intel Core i7-4800 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)	47 W	47 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	3.0	3.0
ECC supported by processor	No	No
Memory4 differ
Internal memoryDiffers	8 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory layout (slots x size)Differs	1 x 8 GB	2 x 8 GB
Memory slotsDiffers	2x SO-DIMM	4x SO-DIMM
Maximum internal memoryDiffers	16 GB	32 GB
Storage2 differ
Total storage capacityDiffers	256 GB	512 GB
Storage media	SSD	SSD
HDD size	2.5"	2.5"
Number of SSDs installed	1	1
SSD capacityDiffers	256 GB	512 GB
SSD interface	SATA III	SATA III
Optical drive type	DVD Super Multi DL	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 730M	NVIDIA® Quadro® K2100M
Discrete graphics memory typeDiffers	GDDR3	GDDR5
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4600	Intel® HD Graphics 4600
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequency	400 MHz	400 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1300 MHz
On-board graphics card DirectX version	11.1	11.1
On-board graphics card ID	0x416	0x416
Number of discrete graphics cards installed	1	1
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Audioidentical
Audio system	Dolby Home Theater v4	Dolby Home Theater v4
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
LightScribe	No	No
Networkidentical
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Near Field Communication (NFC)Known for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantity	2	2
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	0	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantityDiffers	0	1
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connector	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Performanceidentical
Motherboard chipset	Intel® QM87	Intel® QM87
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Numeric keypadDiffers	No	Yes
Spill-resistant keyboard	Yes	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Keyboard layout	QWERTZ	QWERTZ
Softwareidentical
Operating system installed	FreeDOS	FreeDOS
Processor special features5 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 Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect Technology	No	No
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution TechnologyDiffers	No	Yes
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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Active Management Technology (Intel® AMT)	No	No
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)	No	No
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)	No	No
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start Technology	No	No
Intel® Secure Key	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Smart Response Technology	No	No
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	75117	75128
Processor codeDiffers	SR15H	SR15L
Processor package sizeDiffers	37.5 x 32 x 1.6 mm	37.5 x 37.5 x 4.7 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	9	9
Battery capacity	99.9 Wh	99.9 Wh
Battery life (max)Known for one	Unknown — not stated by the source	6 h
Power1 differ
AC adapter powerDiffers	135 W	170 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)	Yes	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
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 & dimensions4 differ
WeightDiffers	2.1 kg	2.6 kg
WidthDiffers	337 mm	379 mm
DepthDiffers	253 mm	273 mm
Height (front)Differs	2.9 cm	2.8 cm
Height (rear)	3.5 cm	3.5 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Intel segment taggingDiffers	Home office, Small Business	Professional

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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