Product comparison · 2 laptops

Dell 15 3549 vs Dell E7440 + 630-15806

158specifications compared
70differ
88identical
49known for one product only

Key differences

Product colour
- 15 3549:Black
- E7440 + 630-15806:Black, Silver
Display diagonal
- 15 3549:39.6 cm (15.6")
- E7440 + 630-15806:35.6 cm (14")
Display resolution
- 15 3549:1366 x 768 pixels
- E7440 + 630-15806:1920 x 1080 pixels
HD type
- 15 3549:HD
- E7440 + 630-15806:Full HD
Processor family
- 15 3549:Intel® Celeron®
- E7440 + 630-15806:Intel® Core™ i7
Processor model
- 15 3549:3205U
- E7440 + 630-15806:i7-4600U
Processor threads
- 15 3549:2
- E7440 + 630-15806:4
Processor frequency
- 15 3549:1.5 GHz
- E7440 + 630-15806:2.1 GHz

Side by side

Differences highlightedShow differences only

Comparison of 15 3549, E7440 + 630-15806
207 specifications	A Dell 15 3549 View product	B Dell E7440 + 630-15806 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Black, Silver
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surface	Matt	Matt
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Pixel pitchKnown for one	0.252 x 0.252 mm	Unknown — not stated by the source
Processor13 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	3205U	i7-4600U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.3 GHz
Processor frequencyDiffers	1.5 GHz	2.1 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	2 MB	4 MB
Processor cache typeDiffers	L3	Smart Cache
Processor socket	BGA 1168	BGA 1168
Processor lithographyDiffers	14 nm	22 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesDiffers	Intel Celeron Processor 3000 series for Mobile	Intel Core i7-4600 Mobile series
Processor codenameDiffers	Broadwell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	E0	D0
Thermal Design Power (TDP)	15 W	15 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	2x4, 4x1	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Configurable TDP-downKnown for one	10 W	Unknown — not stated by the source
Configurable TDP-down frequencyKnown for one	0.6 GHz	Unknown — not stated by the source
Memory6 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Differs	1 x 4 GB	1 x 8 GB
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	8 GB	16 GB
Maximum internal memory (64-bit)Differs	8 GB	16 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
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
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
Compatible memory cardsKnown for one	SD	Unknown — not stated by the source
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	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	100 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	800 MHz	1100 MHz
On-board graphics card DirectX version	11.2/12	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
Number of discrete graphics cards installedKnown for one	0	Unknown — not stated by the source
Number of discrete graphics cards supportedKnown for one	1	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Wave MaxxAudio	HD
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Front camera resolution (numeric)Known for one	1 MP	Unknown — not stated by the source
Video capturing speedKnown for one	30 fps	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network1 differ
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
3G standardsKnown for one	Unknown — not stated by the source	HSPA+
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	3
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
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
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 slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
SmartCard slotKnown for one	No	Unknown — not stated by the source
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	Yes	No
Windows keys	Yes	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8.1	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Drivers included	Yes	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	Microsoft Office Professional 2013
Processor special features21 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 TechnologyDiffers	Yes	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology version	1.00	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) versionDiffers	0.00	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 versionDiffers	0.00	1.00
Intel Stable Image Platform Program (SIPP)Differs	No	Yes
Intel Stable Image Platform Program (SIPP) versionDiffers	0.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
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)Differs	Yes	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)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
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
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x
Processor ARK IDDiffers	84809	76616
Processor codeDiffers	SR215	SR1EA
Processor package sizeDiffers	40 x 24 x 1.3 mm	40 x 24 x 1.5 mm
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	14 nm	Unknown — not stated by the source
Intel® OS GuardKnown for one	No	Unknown — not stated by the source
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	4	6
Battery capacityDiffers	40 Wh	55 Wh
Battery voltageKnown for one	14.8 V	Unknown — not stated by the source
Poweridentical
AC adapter power	65 W	65 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentKnown for one	Unknown — not stated by the source	3.34 A
AC adapter output voltage	19.5 V	19.5 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Password protection	Yes	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 60 °C
Storage temperature (T-T)Differs	-40 - 65 °C	-51 - 71 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)Differs	0 - 95%	5 - 95%
Operating altitude	-15.2 - 3048 m	-15.2 - 3048 m
Non-operating altitude	-15.2 - 10668 m	-15.2 - 10668 m
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Silver, ENERGY STAR	ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	2.38 kg	1.63 kg
WidthDiffers	381.4 mm	337 mm
DepthDiffers	267.5 mm	231.5 mm
HeightDiffers	25.6 mm	21 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Warranty card	Yes	Yes
Other featuresidentical
3D	No	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise

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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