Product comparison · 2 laptops

Lenovo IdeaPad B575 AMD E E-350 Laptop vs Lenovo ThinkPad L440

76specifications compared
37differ
39identical
90known for one product only

Key differences

Display diagonal
- IdeaPad B575 AMD E E-350 Laptop:39.6 cm (15.6")
- ThinkPad L440:35.6 cm (14")
Processor manufacturer
- IdeaPad B575 AMD E E-350 Laptop:AMD
- ThinkPad L440:Intel
Processor family
- IdeaPad B575 AMD E E-350 Laptop:AMD E
- ThinkPad L440:Intel® Core™ i5
Processor model
- IdeaPad B575 AMD E E-350 Laptop:E-350
- ThinkPad L440:i5-4200M
Processor threads
- IdeaPad B575 AMD E E-350 Laptop:2
- ThinkPad L440:4
Processor frequency
- IdeaPad B575 AMD E E-350 Laptop:1.6 GHz
- ThinkPad L440:2.5 GHz
Processor cache
- IdeaPad B575 AMD E E-350 Laptop:1 MB
- ThinkPad L440:3 MB
Processor cache type
- IdeaPad B575 AMD E E-350 Laptop:L2
- ThinkPad L440:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of B575, ThinkPad L440
166 specifications	A Lenovo IdeaPad B575 AMD E E-350 Laptop Model B575 View product	B Lenovo ThinkPad L440 View product
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Processor8 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD E	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i5
Processor modelDiffers	E-350	i5-4200M
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.1 GHz
Processor frequencyDiffers	1.6 GHz	2.5 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	1 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketDiffers	BGA 413 (Socket FT1)	PGA946
Processor lithographyKnown for one	Unknown — not stated by the source	22 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i5-4200 Mobile series
Processor codenameKnown for one	Unknown — not stated by the source	Haswell
Bus typeKnown for one	Unknown — not stated by the source	DMI
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	Unknown — not stated by the source	C0
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	37 W
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8, 1x8+2x4
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory2 differ
Internal memoryDiffers	2 GB	4 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Maximum internal memoryDiffers	8 GB	16 GB
Storage2 differ
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Optical drive typeDiffers	DVD Super Multi	DVD Super Multi DL
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD	MMC, SD, SDHC, SDXC
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphics2 differ
On-board graphics card familyDiffers	AMD Radeon HD 6000	Intel® HD Graphics
On-board graphics card modelDiffers	AMD Radeon HD 6310	Intel® HD Graphics 4600
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	400 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1150 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	11.1
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x416
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	AMD Radeon HD 6470M	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Dolby Advanced Audio
Network2 differ
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g
BluetoothDiffers	No	Yes
Data networkKnown for one	Not supported	Unknown — not stated by the source
4G WiMAXKnown for one	No	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	4	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	1
HDMI ports quantityDiffers	1	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Mini DisplayPort/Thunderbolt combo portKnown for one	Unknown — not stated by the source	No
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
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	No
ExpressCard slotDiffers	No	Yes
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
Docking connectorKnown 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
Keyboard1 differ
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Numeric keypadDiffers	Yes	No
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 8
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features9 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
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	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	No
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Secure Key Technology 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 TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)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® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDKnown for one	Unknown — not stated by the source	76348
Processor codeKnown for one	Unknown — not stated by the source	SR1HA
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 x 4.7 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processorKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Active Management Technology (Intel® AMT)Known for one	No	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	No	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	No	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Battery life (max)Known for one	3 h	Unknown — not stated by the source
Poweridentical
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
Securityidentical
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.35 kg	2.26 kg
WidthDiffers	378 mm	344 mm
DepthDiffers	252 mm	239 mm
HeightDiffers	33.1 mm	29 mm
Packaging contentidentical
Cables includedKnown for one	AC	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	Unknown — not stated by the source	No
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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