Product comparison · 2 laptops

Lenovo Edge E440 vs Lenovo Flex 15D

95specifications compared
42differ
53identical
92known for one product only

Key differences

Display diagonal
- Edge E440:35.6 cm (14")
- Flex 15D:39.6 cm (15.6")
Display resolution
- Edge E440:1600 x 900 pixels
- Flex 15D:1366 x 768 pixels
Touchscreen
- Edge E440:No
- Flex 15D:Yes
Processor manufacturer
- Edge E440:Intel
- Flex 15D:AMD
Processor family
- Edge E440:Intel® Core™ i5
- Flex 15D:AMD A4
Processor model
- Edge E440:i5-4200M
- Flex 15D:A4-5000
Processor cores
- Edge E440:2
- Flex 15D:4
Processor frequency
- Edge E440:2.5 GHz
- Flex 15D:1.5 GHz

Side by side

Differences highlightedShow differences only

Comparison of Edge E440, Flex 15D
187 specifications	A Lenovo Edge E440 View product	B Lenovo Flex 15D View product
Design1 differ
Product type	Laptop	Laptop
Product colour	Black	Black
Form factorDiffers	Clamshell	Convertible (Fold-back screen)
Housing materialKnown for one	Plastic	Unknown — not stated by the source
Market positioningKnown for one	Business	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
TouchscreenDiffers	No	Yes
HD typeKnown for one	HD+	Unknown — not stated by the source
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Processor8 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel® Core™ i5	AMD A4
Processor generationKnown for one	4th gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-4200M	A4-5000
Processor coresDiffers	2	4
Processor threads	4	4
Processor boost frequencyKnown for one	3.1 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.5 GHz	1.5 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
L3 cacheKnown for one	3 MB	Unknown — not stated by the source
Processor socketDiffers	PGA946	Socket FT3
Processor lithographyKnown for one	22 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i5-4200 Mobile series	Unknown — not stated by the source
Processor codenameKnown for one	Haswell	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingKnown for one	C0	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	37 W	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
PCI Express slots versionKnown for one	3.0	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory3 differ
Internal memory	4 GB	4 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)	1 x 4 GB	1 x 4 GB
Memory slotsDiffers	2x SO-DIMM	1x SO-DIMM
Maximum internal memoryDiffers	16 GB	8 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	8 GB
Storage3 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedDiffers	7200 RPM	5400 RPM
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	MMC, SD
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 740M	AMD Radeon HD 8570M
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
On-board graphics card familyDiffers	Intel® HD Graphics	AMD Radeon HD 8000
On-board graphics card modelDiffers	Intel® HD Graphics 4600	AMD Radeon HD 8330
Maximum on-board graphics card memoryKnown for one	1.74 GB	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	400 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1150 MHz	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	11.1	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x416	Unknown — not stated by the source
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
Audio1 differ
Audio systemDiffers	Dolby Advanced Audio v2	Dolby Advanced
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Optical driveidentical
LightScribe	No	No
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ports & interfaces3 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 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 quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
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 connectorKnown for one	No	Unknown — not stated by the source
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
USB Sleep-and-ChargeKnown for one	Yes	Unknown — not stated by the source
USB Sleep-and-Charge portsKnown for one	1	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® HM87	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Numeric keypad	No	No
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8.1
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Windows 8 Pro	Unknown — not stated by the source
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Processor special features9 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video Technology	No	No
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	No	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
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 Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDKnown for one	76348	Unknown — not stated by the source
Processor codeKnown for one	SR1HA	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 x 4.7 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX 2.0, SSE4.1, SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
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® 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® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	4
Battery capacity	48 Wh	48 Wh
Battery life (max)Differs	6 h	9 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
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
Cable lock slot	Yes	Yes
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
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
Weight & dimensions3 differ
WeightDiffers	2.13 kg	2.3 kg
WidthDiffers	344 mm	382 mm
DepthDiffers	239 mm	266 mm
Height (front)Known for one	2.63 cm	Unknown — not stated by the source
Height (rear)Known for one	2.93 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	22.1 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment taggingKnown for one	Home office, 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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