Product comparison · 2 laptops

Lenovo ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop vs Lenovo IdeaPad S400T-ITH Intel® Core™ i3 i3-3217U Laptop

109specifications compared
39differ
70identical
89known for one product only

Key differences

Product colour
- ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop:Black
- IdeaPad S400T-ITH Intel® Core™ i3 i3-3217U Laptop:Silver
Touchscreen
- ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop:No
- IdeaPad S400T-ITH Intel® Core™ i3 i3-3217U Laptop:Yes
Processor generation
- ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop:4th gen Intel® Core™ i3
- IdeaPad S400T-ITH Intel® Core™ i3 i3-3217U Laptop:3rd gen Intel® Core™ i3
Processor model
- ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop:i3-4000M
- IdeaPad S400T-ITH Intel® Core™ i3 i3-3217U Laptop:i3-3217U
Processor frequency
- ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop:2.4 GHz
- IdeaPad S400T-ITH Intel® Core™ i3 i3-3217U Laptop:1.8 GHz
Processor socket
- ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop:PGA946
- IdeaPad S400T-ITH Intel® Core™ i3 i3-3217U Laptop:BGA 1023
Processor codename
- ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop:Haswell
- IdeaPad S400T-ITH Intel® Core™ i3 i3-3217U Laptop:Ivy Bridge
Stepping
- ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop:C0
- IdeaPad S400T-ITH Intel® Core™ i3 i3-3217U Laptop:L1

Side by side

Differences highlightedShow differences only

Comparison of E440, S400T-ITH
198 specifications	A Lenovo ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop Model E440 View product	B Lenovo IdeaPad S400T-ITH Intel® Core™ i3 i3-3217U Laptop Model S400T-ITH View product
Design1 differ
Product colourDiffers	Black	Silver
Housing materialKnown for one	Acrylonitrile butadiene styrene (ABS), Plastic	Unknown — not stated by the source
Market positioningKnown for one	Business	Unknown — not stated by the source
Display1 differ
TouchscreenDiffers	No	Yes
HD typeKnown for one	HD	Unknown — not stated by the source
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Processor9 differ
Processor generationDiffers	4th gen Intel® Core™ i3	3rd gen Intel® Core™ i3
Processor modelDiffers	i3-4000M	i3-3217U
Processor frequencyDiffers	2.4 GHz	1.8 GHz
Processor socketDiffers	PGA946	BGA 1023
Processor seriesDiffers	Intel® Core™ i3-4000 Mobile Series	Intel Core i3-3200 Mobile Series
Processor codenameDiffers	Haswell	Ivy Bridge
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingDiffers	C0	L1
Thermal Design Power (TDP)Differs	37 W	17 W
TjunctionDiffers	100 °C	105 °C
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	18
Memory4 differ
Internal memory typeDiffers	DDR3L-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1600 MHz	1333 MHz
Memory slotsDiffers	2x SO-DIMM	1x SO-DIMM
Maximum internal memoryDiffers	16 GB	4 GB
Maximum internal memory (64-bit)Known for one	16 GB	Unknown — not stated by the source
Storage1 differ
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	MMC, SD
HDD interfaceKnown for one	SATA II	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
Graphics6 differ
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	AMD Radeon HD 7450M
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
On-board graphics card modelDiffers	Intel® HD Graphics 4600	Intel® HD Graphics 4000
On-board graphics card base frequencyDiffers	400 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1050 MHz
On-board graphics card IDDiffers	0x416	0x166
Number of discrete graphics cards installedKnown for one	Unknown — not stated by the source	1
Number of discrete graphics cards supportedKnown for one	Unknown — not stated by the source	1
Maximum on-board graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	11.1	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Swivel webcamKnown for one	Unknown — not stated by the source	No
Rear cameraKnown for one	Unknown — not stated by the source	No
Front camera resolution (numeric)Known for one	1 MP	Unknown — not stated by the source
Front camera HD typeKnown for one	HD	Unknown — not stated by the source
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Front camera signal formatKnown for one	720p	Unknown — not stated by the source
Network2 differ
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
BluetoothDiffers	Yes	No
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	1	2
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
DVI portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantityDiffers	1	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 outputsKnown for one	Unknown — not stated by the source	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Microphone inKnown for one	Unknown — not stated by the source	No
Docking connectorDiffers	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
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
Thunderbolt 3 ports quantityKnown for one	0	Unknown — not stated by the source
Keyboardidentical
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Recovery operating systemKnown for one	Windows 8 Pro	Unknown — not stated by the source
Processor special features4 differ
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 nm
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	No
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	Yes
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Processor ARK IDDiffers	75104	65697
Processor codeDiffers	SR1HC	SR0N9
Processor package sizeDiffers	37.5 x 37.5 x 4.7 mm	31 x 24 mm
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX
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® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	6	4
Battery life (max)Differs	6.3 h	5 h
Battery capacityKnown for one	48 Wh	Unknown — not stated by the source
Poweridentical
Power auto-sensingKnown for one	Unknown — not stated by the source	Yes
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
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
Weight & dimensions3 differ
WeightDiffers	2.43 kg	1.8 kg
WidthDiffers	344 mm	336.6 mm
DepthDiffers	239 mm	241.2 mm
HeightKnown for one	Unknown — not stated by the source	21.9 mm
Height (front)Known for one	2.97 cm	Unknown — not stated by the source
Height (rear)Known for one	3.23 cm	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® HM87	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
Other featuresidentical
Intel segment taggingKnown for one	Small Business	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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