Product comparison · 2 laptops

Lenovo IdeaPad G580AH Intel® Core™ i3 i3-2348M Laptop vs Lenovo ThinkPad T440

105specifications compared
44differ
61identical
103known for one product only

Key differences

Product colour
- IdeaPad G580AH Intel® Core™ i3 i3-2348M Laptop:Brown
- ThinkPad T440:Black
Display diagonal
- IdeaPad G580AH Intel® Core™ i3 i3-2348M Laptop:39.6 cm (15.6")
- ThinkPad T440:35.6 cm (14")
Display resolution
- IdeaPad G580AH Intel® Core™ i3 i3-2348M Laptop:1366 x 768 pixels
- ThinkPad T440:1600 x 900 pixels
Processor family
- IdeaPad G580AH Intel® Core™ i3 i3-2348M Laptop:Intel® Core™ i3
- ThinkPad T440:Intel® Core™ i5
Processor generation
- IdeaPad G580AH Intel® Core™ i3 i3-2348M Laptop:2nd gen Intel® Core™ i3
- ThinkPad T440:4th gen Intel® Core™ i5
Processor model
- IdeaPad G580AH Intel® Core™ i3 i3-2348M Laptop:i3-2348M
- ThinkPad T440:i5-4300U
Processor frequency
- IdeaPad G580AH Intel® Core™ i3 i3-2348M Laptop:2.3 GHz
- ThinkPad T440:1.9 GHz
Processor lithography
- IdeaPad G580AH Intel® Core™ i3 i3-2348M Laptop:32 nm
- ThinkPad T440:22 nm

Side by side

Differences highlightedShow differences only

Comparison of G580AH, ThinkPad T440
208 specifications	A Lenovo IdeaPad G580AH Intel® Core™ i3 i3-2348M Laptop Model G580AH View product	B Lenovo ThinkPad T440 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Brown	Black
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
Touchscreen	No	No
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
HD typeKnown for one	Unknown — not stated by the source	HD+
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
LED backlightKnown for one	Unknown — not stated by the source	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	400:1
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	4th gen Intel® Core™ i5
Processor modelDiffers	i3-2348M	i5-4300U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.9 GHz
Processor frequencyDiffers	2.3 GHz	1.9 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	BGA 1168
Processor lithographyDiffers	32 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2300 Mobile Series	Intel Core i5-4300 Mobile series
Processor codenameDiffers	Sandy Bridge	Haswell
Bus typeDiffers	DMI	DMI2
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	Unknown — not stated by the source	D0
Thermal Design Power (TDP)Differs	35 W	15 W
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 1x8+2x4, 2x8	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	8 GB
Storage4 differ
Total storage capacityDiffers	500 GB	516 GB
Storage mediaDiffers	HDD	HDD+SSD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interfaceDiffers	SATA	SATA III
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
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	16 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA III
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD	MMC, SD, SDHC, SDXC
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 635M	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 3000	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	650 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1100 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12
On-board graphics card IDKnown for one	Unknown — not stated by the source	0xA16
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Wi-Fi standardsKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Data networkKnown for one	Not supported	Unknown — not stated by the source
4G WiMAXKnown for one	No	Unknown — not stated by the source
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	1	0
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 quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
Mini DisplayPort/Thunderbolt combo portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Thunderbolt 2 ports quantityKnown for one	Unknown — not stated by the source	0
Mini HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Micro HDMI ports quantityKnown for one	Unknown — not stated by the source	0
LAN/VGA combo portKnown for one	Unknown — not stated by the source	No
Mini VGA ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Line-inKnown for one	Unknown — not stated by the source	No
Microphone in	No	No
Docking connectorKnown for one	Unknown — not stated by the source	Yes
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
TV-outKnown for one	Unknown — not stated by the source	No
Serial ports quantityKnown for one	Unknown — not stated by the source	0
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
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	Unknown — not stated by the source	SiS M672
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypadDiffers	Yes	No
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 8 Pro
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features11 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Active Management Technology versionKnown for one	Unknown — not stated by the source	9.5
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	Yes
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	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)	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)Differs	No	Yes
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)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	Yes
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)Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	74542	76308
Processor codeKnown for one	Unknown — not stated by the source	SR1ED
Processor package sizeKnown for one	Unknown — not stated by the source	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processor	Yes	Yes
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	Unknown — not stated by the source	3+3
Battery life (max)Differs	5 h	8.6 h
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	45 W
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
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
Password protectionKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
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 & dimensions3 differ
WeightDiffers	2.2 kg	1.68 kg
Width	339 mm	339 mm
DepthDiffers	230 mm	232.5 mm
HeightDiffers	33.8 mm	21 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
64-bit computingKnown for one	Yes	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	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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