Product comparison · 2 laptops

Lenovo Essential B40-30 Intel® Celeron® N2830 Laptop vs Lenovo T440s Touch Win8.1 US

137specifications compared
69differ
68identical
54known for one product only

Key differences

Display resolution
- Essential B40-30 Intel® Celeron® N2830 Laptop:1366 x 768 pixels
- T440s Touch Win8.1 US:1920 x 1080 pixels
Touchscreen
- Essential B40-30 Intel® Celeron® N2830 Laptop:No
- T440s Touch Win8.1 US:Yes
Processor family
- Essential B40-30 Intel® Celeron® N2830 Laptop:Intel® Celeron®
- T440s Touch Win8.1 US:Intel® Core™ i7
Processor model
- Essential B40-30 Intel® Celeron® N2830 Laptop:N2830
- T440s Touch Win8.1 US:i7-4600U
Processor threads
- Essential B40-30 Intel® Celeron® N2830 Laptop:2
- T440s Touch Win8.1 US:4
Processor boost frequency
- Essential B40-30 Intel® Celeron® N2830 Laptop:2.41 GHz
- T440s Touch Win8.1 US:3.3 GHz
Processor frequency
- Essential B40-30 Intel® Celeron® N2830 Laptop:2.16 GHz
- T440s Touch Win8.1 US:2.1 GHz
Processor cache
- Essential B40-30 Intel® Celeron® N2830 Laptop:1 MB
- T440s Touch Win8.1 US:4 MB

Side by side

Differences highlightedShow differences only

Comparison of B40-30, T440s Touch Win8.1 US
191 specifications	A Lenovo Essential B40-30 Intel® Celeron® N2830 Laptop Model B40-30 View product	B Lenovo T440s Touch Win8.1 US View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioning	Business	Business
Display2 differ
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
TouchscreenDiffers	No	Yes
HD typeKnown for one	Unknown — not stated by the source	Full HD
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i7
Processor modelDiffers	N2830	i7-4600U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyDiffers	2.41 GHz	3.3 GHz
Processor frequencyDiffers	2.16 GHz	2.1 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	1 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketDiffers	BGA 1170	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesDiffers	Intel Celeron Processor N2000 Series for Mobile	Intel Core i7-4600 Mobile series
Processor codenameDiffers	Bay Trail	Haswell
Bus typeKnown for one	Unknown — not stated by the source	DMI2
FSB Parity	No	No
SteppingDiffers	C0	D0
Thermal Design Power (TDP)Differs	7.5 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	4	12
PCI Express configurationsDiffers	1x4	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Scenario Design Power (SDP)Known for one	4.5 W	Unknown — not stated by the source
Memory6 differ
Internal memoryDiffers	4 GB	12 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	On-board + SO-DIMM
Memory layout (slots x size)Differs	1 x 4 GB	1 x 4 + 1 x 8 GB
Memory slotsDiffers	2x SO-DIMM	1x SO-DIMM
Maximum internal memoryDiffers	8 GB	12 GB
Maximum internal memory (64-bit)Differs	8 GB	12 GB
Storage3 differ
Total storage capacityDiffers	500 GB	256 GB
Storage mediaDiffers	HDD	SSD
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	256 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA III
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphics3 differ
On-board graphics card	Yes	Yes
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 family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
On-board graphics card base frequencyDiffers	313 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	750 MHz	1100 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	11.2/12
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.3
On-board graphics card IDKnown for one	Unknown — not stated by the source	0xA16
On-board graphics card burst frequencyKnown for one	750 MHz	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	HD	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
LightScribeKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Near Field Communication (NFC)Known for one	Unknown — not stated by the source	Yes
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connectorDiffers	No	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Total number of SATA connectorsKnown for one	2	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel SoC
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	Yes	No
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 8.1 Pro
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features23 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 TechnologyDiffers	No	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology versionDiffers	0.00	1.00
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Stable Image Platform Program (SIPP)Differs	No	Yes
Intel Stable Image Platform Program (SIPP) versionDiffers	0.00	1.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	0.00
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	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)Differs	No	Yes
Intel® Active Management Technology (Intel® AMT)	No	No
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® High Definition Audio (Intel® HD Audio)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Differs	No	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start Technology	No	No
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	No	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	81071	76616
Processor codeDiffers	SR1W4	SR1EA
Processor package sizeDiffers	25 x 27 mm	40 x 24 x 1.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Battery1 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsKnown for one	Unknown — not stated by the source	3+3
Battery capacityKnown for one	Unknown — not stated by the source	47 Wh
Battery life (max)	6 h	6 h
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
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
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	2.15 kg	1.5 kg
WidthDiffers	340 mm	332 mm
DepthDiffers	247 mm	227 mm
HeightDiffers	24.5 mm	22 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business

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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