Product comparison · 2 laptops

Dell 15 3549 vs Lenovo ThinkPad E450

155specifications compared
53differ
102identical
46known for one product only

Key differences

Product colour
- 15 3549:Black
- ThinkPad E450:Black, Graphite
Display diagonal
- 15 3549:39.6 cm (15.6")
- ThinkPad E450:35.6 cm (14")
Processor family
- 15 3549:Intel® Celeron®
- ThinkPad E450:Intel® Core™ i7
Processor model
- 15 3549:3205U
- ThinkPad E450:i7-5500U
Processor threads
- 15 3549:2
- ThinkPad E450:4
Processor frequency
- 15 3549:1.5 GHz
- ThinkPad E450:2.4 GHz
Processor cache
- 15 3549:2 MB
- ThinkPad E450:4 MB
Stepping
- 15 3549:E0
- ThinkPad E450:F0

Side by side

Differences highlightedShow differences only

Comparison of 15 3549, ThinkPad E450
201 specifications	A Dell 15 3549 View product	B Lenovo ThinkPad E450 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Black, Graphite
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Plastic
Market positioningKnown for one	Unknown — not stated by the source	Business
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeKnown for one	HD	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display brightness	200 cd/m²	200 cd/m²
Pixel pitchKnown for one	0.252 x 0.252 mm	Unknown — not stated by the source
Processor9 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i7
Processor modelDiffers	3205U	i7-5500U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	1.5 GHz	2.4 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	2 MB	4 MB
Processor cache type	L3	L3
Processor socket	BGA 1168	BGA 1168
Processor lithography	14 nm	14 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Celeron Processor 3000 series for Mobile	Intel Core i7-5500 Mobile Series
Processor codename	Broadwell	Broadwell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	E0	F0
Thermal Design Power (TDP)	15 W	15 W
Configurable TDP-downDiffers	10 W	7.5 W
Configurable TDP-down frequency	0.6 GHz	0.6 GHz
Tjunction	105 °C	105 °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
Processor generationKnown for one	Unknown — not stated by the source	5th gen Intel® Core™ i7
Processor boost frequencyKnown for one	Unknown — not stated by the source	3 GHz
Memory3 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3L-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	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	8 GB	16 GB
Maximum internal memory (64-bit)Differs	8 GB	16 GB
Storage4 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 interfaceDiffers	SATA	SATA III
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC, SD, SDHC, SDXC
Graphics7 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	AMD Radeon R7 M260
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 5500
On-board graphics card base frequencyDiffers	100 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	800 MHz	950 MHz
On-board graphics card DirectX versionDiffers	11.2/12	11.2
Number of discrete graphics cards installedDiffers	0	1
Number of discrete graphics cards supported	1	1
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	16 GB
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x1616
Maximum resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
Graphics card Open GL supportKnown for one	Unknown — not stated by the source	Yes
Audio1 differ
Audio systemDiffers	Wave MaxxAudio	Dolby Advanced Audio v4
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	1 MP	Unknown — not stated by the source
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Video capturing speedKnown for one	30 fps	Unknown — not stated by the source
Network1 differ
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 version	4.0	4.0
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	2
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Thunderbolt ports quantity	0	0
Headphone outputsKnown for one	0	Unknown — not stated by the source
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inKnown for one	No	Unknown — not stated by the source
Docking connectorDiffers	No	Yes
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	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 8.1	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features12 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
Graphics & IMC lithography	14 nm	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
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 Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionDiffers	0.00	1.00
Intel Smart Response Technology versionDiffers	0.00	1.00
Intel Stable Image Platform Program (SIPP)	No	No
Intel Stable Image Platform Program (SIPP) version	0.00	0.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution Technology	No	No
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)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	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® OS GuardDiffers	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	No	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	85214
Processor codeDiffers	SR215	SR23W
Processor package size	40 x 24 x 1.3 mm	40 x 24 x 1.3 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
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	4	6
Battery capacityKnown for one	40 Wh	Unknown — not stated by the source
Battery voltageKnown for one	14.8 V	Unknown — not stated by the source
Battery life (max)Known for one	Unknown — not stated by the source	9 h
Poweridentical
AC adapter power	65 W	65 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC adapter output voltageKnown for one	19.5 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Password protection	Yes	Yes
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-15.2 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-15.2 - 10668 m	Unknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Silver, ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	2.38 kg	1.81 kg
WidthDiffers	381.4 mm	339 mm
DepthDiffers	267.5 mm	239 mm
HeightDiffers	25.6 mm	24 mm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord included	Yes	Yes
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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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