Product comparison · 2 laptops

Lenovo ThinkPad T440 vs Lenovo ThinkPad T440s

140specifications compared
32differ
108identical
67known for one product only

Key differences

Display diagonal
- ThinkPad T440:35.6 cm (14")
- ThinkPad T440s:35.8 cm (14.1")
Display resolution
- ThinkPad T440:1600 x 900 pixels
- ThinkPad T440s:1920 x 1080 pixels
HD type
- ThinkPad T440:HD+
- ThinkPad T440s:Full HD
Processor model
- ThinkPad T440:i5-4300U
- ThinkPad T440s:i5-4200U
Processor boost frequency
- ThinkPad T440:2.9 GHz
- ThinkPad T440s:2.6 GHz
Processor frequency
- ThinkPad T440:1.9 GHz
- ThinkPad T440s:1.6 GHz
Stepping
- ThinkPad T440:D0
- ThinkPad T440s:C0
PCI Express configurations
- ThinkPad T440:4x1, 2x4
- ThinkPad T440s:1x4, 2x4

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T440, ThinkPad T440s
207 specifications	A Lenovo ThinkPad T440 View product	B Lenovo ThinkPad T440s View product
Display3 differ
Display diagonalDiffers	35.6 cm (14")	35.8 cm (14.1")
Display resolutionDiffers	1600 x 900 pixels	1920 x 1080 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
Touchscreen typeKnown for one	Capacitive	Unknown — not stated by the source
HD typeDiffers	HD+	Full HD
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Contrast ratio (typical)Known for one	400:1	Unknown — not stated by the source
Processor6 differ
Processor modelDiffers	i5-4300U	i5-4200U
Processor boost frequencyDiffers	2.9 GHz	2.6 GHz
Processor frequencyDiffers	1.9 GHz	1.6 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor seriesDiffers	Intel Core i5-4300 Mobile series	Intel Core i5-4200 Mobile series
SteppingDiffers	D0	C0
PCI Express configurationsDiffers	4x1, 2x4	1x4, 2x4
Memory1 differ
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)Known for one	1 x 4 GB	Unknown — not stated by the source
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	12 GB
Maximum internal memory (64-bit)Known for one	8 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	516 GB	500 GB
Storage mediaDiffers	HDD+SSD	HDD
HDD interfaceKnown for one	SATA III	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	SATA III	Unknown — not stated by the source
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	SD
Optical drive typeKnown for one	Unknown — not stated by the source	No
Graphics1 differ
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 MHz
Audio1 differ
Audio systemDiffers	High Definition Audio	Home Theater v4
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
Networkidentical
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Wi-Fi standardsKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
WWANKnown for one	Unknown — not stated by the source	Installed
4G WiMAXKnown for one	Unknown — not stated by the source	No
Ports & interfaces3 differ
USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	3
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
Thunderbolt 2 ports quantityKnown for one	0	Unknown — not stated by the source
Headphone outputsDiffers	0	1
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	No	Unknown — not stated by the source
Microphone inDiffers	No	Yes
Docking connectorKnown for one	Yes	Unknown — not stated by the source
ExpressCard slotKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	SiS M672	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Processor special features7 differ
Embedded options availableDiffers	Yes	No
Intel Active Management Technology versionKnown for one	9.5	Unknown — not stated by the source
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Response Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	1.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Rapid Start TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	76308	75459
Processor codeDiffers	SR1ED	SR170
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0
UARTKnown for one	Yes	Unknown — not stated by the source
Battery1 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsKnown for one	3+3	Unknown — not stated by the source
Battery life (max)Known for one	8.6 h	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	45 W	Unknown — not stated by the source
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Security1 differ
Cable lock slotDiffers	Yes	No
Trusted Platform Module (TPM)Known 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 & dimensions4 differ
WeightDiffers	1.68 kg	1.59 kg
WidthDiffers	339 mm	331 mm
DepthDiffers	232.5 mm	226 mm
HeightDiffers	21 mm	20.4 mm
Packaging contentidentical
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No

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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