Product comparison · 2 laptops

Dell 14 3440 vs Lenovo S531 + ThinkPad OneLink Dock

146specifications compared
52differ
94identical
55known for one product only

Key differences

Display diagonal
- 14 3440:35.6 cm (14")
- S531 + ThinkPad OneLink Dock:39.6 cm (15.6")
HD type
- 14 3440:Not supported
- S531 + ThinkPad OneLink Dock:HD
Processor generation
- 14 3440:4th gen Intel® Core™ i5
- S531 + ThinkPad OneLink Dock:3rd gen Intel® Core™ i5
Processor model
- 14 3440:i5-4200U
- S531 + ThinkPad OneLink Dock:i5-3337U
Processor boost frequency
- 14 3440:2.6 GHz
- S531 + ThinkPad OneLink Dock:2.7 GHz
Processor frequency
- 14 3440:1.6 GHz
- S531 + ThinkPad OneLink Dock:1.8 GHz
Processor socket
- 14 3440:BGA 1168
- S531 + ThinkPad OneLink Dock:BGA 1023
Processor codename
- 14 3440:Haswell
- S531 + ThinkPad OneLink Dock:Ivy Bridge

Side by side

Differences highlightedShow differences only

Comparison of 14 3440, S531 + ThinkPad OneLink Dock
201 specifications	A Dell 14 3440 View product	B Lenovo S531 + ThinkPad OneLink Dock View product
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
HD typeDiffers	Not supported	HD
Pixel pitchKnown for one	0.2265 x 0.2265 mm	Unknown — not stated by the source
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor13 differ
Processor generationDiffers	4th gen Intel® Core™ i5	3rd gen Intel® Core™ i5
Processor modelDiffers	i5-4200U	i5-3337U
Processor boost frequencyDiffers	2.6 GHz	2.7 GHz
Processor frequencyDiffers	1.6 GHz	1.8 GHz
Processor socketDiffers	BGA 1168	BGA 1023
Processor seriesDiffers	Intel Core i5-4200 Mobile series	Intel Core i5-3300 Mobile series
Processor codenameDiffers	Haswell	Ivy Bridge
Bus typeDiffers	DMI2	DMI
SteppingDiffers	C0	L1
Thermal Design Power (TDP)Differs	15 W	17 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	1x4, 2x4	1x16, 2x8, 1x8+2x4
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	18
Memory1 differ
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	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	10 GB
Maximum internal memory (64-bit)Known for one	8 GB	Unknown — not stated by the source
Storage5 differ
Total storage capacityDiffers	500 GB	524 GB
Storage mediaDiffers	HDD	HDD+SSD
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive typeDiffers	DVD Super Multi	No
Compatible memory cardsDiffers	Memory Stick (MS), MS PRO, SD, SDHC	MMC, SD, SDHC, SDXC
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	24 GB
Graphics4 differ
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	350 MHz
On-board graphics card dynamic frequency (max)Differs	1000 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
Audio2 differ
Audio systemDiffers	HD	Dolby Home Theater
Speaker powerDiffers	2 W	3 W
Cameraidentical
Front camera resolution (numeric)Known for one	0.92 MP	Unknown — not stated by the source
Video capturing speedKnown for one	30 fps	Unknown — not stated by the source
Optical driveidentical
Disc types supportedKnown for one	CD, DVD	Unknown — not stated by the source
LightScribeKnown for one	Unknown — not stated by the source	No
Network1 differ
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	1	0
HDMI ports quantityDiffers	0	1
VGA (D-Sub) ports quantityDiffers	1	0
Headphone outputsDiffers	0	1
Microphone inDiffers	No	Yes
Docking connectorDiffers	No	Yes
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	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
Performanceidentical
Motherboard chipsetKnown for one	Intel® HM87	Unknown — not stated by the source
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	No	Yes
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 8	Windows 7 Professional
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features10 differ
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel ME Firmware VersionKnown for one	9.5	Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffers	Yes	No
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 Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
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	No	Unknown — not stated by the source
Intel® Rapid Start TechnologyKnown for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	75459	72055
Processor codeDiffers	SR170	SR0XL
Processor package sizeDiffers	40 x 24 x 1.5 mm	31 x 24 (BGA1023)
Supported instruction setsDiffers	AVX 2.0	AVX
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
Battery2 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Battery capacityDiffers	40 Wh	62.8 Wh
Battery life (max)Known for one	Unknown — not stated by the source	9 h
Poweridentical
AC adapter output voltageKnown for one	19.5 V	Unknown — not stated by the source
Securityidentical
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-15.2 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-15.2 - 10668 m	Unknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Bronze, ENERGY STAR	ENERGY STAR
Weight & dimensions2 differ
WidthDiffers	346 mm	379 mm
DepthDiffers	245 mm	252.4 mm
WeightKnown for one	Unknown — not stated by the source	2.29 kg
HeightKnown for one	Unknown — not stated by the source	20.7 mm
Packaging contentidentical
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment taggingKnown for one	Small Business	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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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