Product comparison · 2 laptops

Dell E7250 + 630-15806 vs Lenovo L540+ThinkPad Dock

151specifications compared
67differ
84identical
70known for one product only

Key differences

Display diagonal
- E7250 + 630-15806:31.8 cm (12.5")
- L540+ThinkPad Dock:39.6 cm (15.6")
Display resolution
- E7250 + 630-15806:1366 x 768 pixels
- L540+ThinkPad Dock:1920 x 1080 pixels
Processor family
- E7250 + 630-15806:Intel® Core™ i7
- L540+ThinkPad Dock:Intel® Core™ i5
Processor generation
- E7250 + 630-15806:5th gen Intel® Core™ i7
- L540+ThinkPad Dock:4th gen Intel® Core™ i5
Processor model
- E7250 + 630-15806:i7-5600U
- L540+ThinkPad Dock:i5-4210M
Processor cache
- E7250 + 630-15806:4 MB
- L540+ThinkPad Dock:3 MB
Processor cache type
- E7250 + 630-15806:L3
- L540+ThinkPad Dock:Smart Cache
Processor socket
- E7250 + 630-15806:BGA 1168
- L540+ThinkPad Dock:PGA946

Side by side

Differences highlightedShow differences only

Comparison of E7250 + 630-15806, L540+ThinkPad Dock
221 specifications	A Dell E7250 + 630-15806 View product	B Lenovo L540+ThinkPad Dock View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioningKnown for one	Business	Unknown — not stated by the source
Housing materialKnown for one	Unknown — not stated by the source	Polycarbonate (PC)
Display2 differ
Display diagonalDiffers	31.8 cm (12.5")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	No	No
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surface	Matt	Matt
HD typeKnown for one	Unknown — not stated by the source	Full HD
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	5th gen Intel® Core™ i7	4th gen Intel® Core™ i5
Processor modelDiffers	i7-5600U	i5-4210M
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3.2 GHz	3.2 GHz
Processor frequency	2.6 GHz	2.6 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	4 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor socketDiffers	BGA 1168	PGA946
Processor lithographyDiffers	14 nm	22 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesDiffers	Intel Core i7-5600 Mobile Series	Intel Core i5-4200 Mobile series
Processor codenameDiffers	Broadwell	Haswell
Bus typeDiffers	DMI2	DMI
FSB Parity	No	No
SteppingDiffers	F0	C0
Thermal Design Power (TDP)Differs	15 W	37 W
Configurable TDP-downKnown for one	7.5 W	Unknown — not stated by the source
Configurable TDP-down frequencyKnown for one	0.6 GHz	Unknown — not stated by the source
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	4x1, 2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	8 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)Differs	1 x 8 GB	1 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	16 GB	16 GB
Maximum internal memory (64-bit)	16 GB	16 GB
Storage4 differ
Total storage capacityDiffers	256 GB	500 GB
Storage mediaDiffers	SSD	Hybrid-HDD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	256 GB	Unknown — not stated by the source
Optical drive typeDiffers	No	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Hybrid-HDD cache typeKnown for one	Unknown — not stated by the source	Flash
Hybrid-HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 5500	Intel® HD Graphics 4600
Maximum on-board graphics card memoryDiffers	16 GB	1.74 GB
On-board graphics card base frequencyDiffers	300 MHz	400 MHz
On-board graphics card dynamic frequency (max)Differs	950 MHz	1150 MHz
On-board graphics card DirectX versionDiffers	11.2	11.1
On-board graphics card IDDiffers	0x1616	0x416
Audio1 differ
Audio systemDiffers	HD	Dolby Advanced v2
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribe	No	No
Network1 differ
Mobile network connectionKnown for one	Yes	Unknown — not stated by the source
Mobile network generationKnown for one	4G	Unknown — not stated by the source
4G standardKnown for one	LTE	Unknown — not stated by the source
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Wi-Fi data rate (max)Known for one	867 Mbit/s	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth Low Energy (BLE)Known for one	Yes	Unknown — not stated by the source
Bluetooth version	4.0	4.0
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	0	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
Micro-USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
Micro-USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
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
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	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
Docking connectorKnown for one	Unknown — not stated by the source	Yes
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	No	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Keyboard layoutKnown for one	AZERTY	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating systemDiffers	Windows 8.1	Windows 8.1 Pro
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	Microsoft Office Professional 2013	Unknown — not stated by the source
Processor special features17 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 lithographyKnown for one	14 nm	Unknown — not stated by the source
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 StateDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
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) versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Response Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NIDiffers	Yes	No
Intel TSX-NI versionDiffers	1.00	0.00
Intel Trusted Execution TechnologyDiffers	Yes	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)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
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® My WiFi Technology (Intel® MWT)	No	No
Intel® OS GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	Yes	No
Intel® Smart Cache	Yes	Yes
Intel® Smart Response TechnologyDiffers	Yes	No
Intel® Turbo Boost Technology	2.0	2.0
Intel® Virtualization Technology (Intel® VT)Differs	VT-d, VT-x	VT-x
Processor ARK IDDiffers	85215	81012
Processor codeDiffers	SR23V	SR1L4
Processor package sizeDiffers	40 x 24 x 1.3 mm	37.5 x 37.5 x 4.7 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
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
Battery3 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	4	6
Battery capacityDiffers	52 Wh	48 Wh
Battery life (max)Known for one	Unknown — not stated by the source	7 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
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Fingerprint reader	Yes	Yes
Password protection	Yes	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
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 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-51 - 71 °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	5 - 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	ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	1.25 kg	2.58 kg
WidthDiffers	310.5 mm	377 mm
DepthDiffers	211 mm	247 mm
HeightKnown for one	19.4 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	3.1 cm
Height (rear)Known for one	Unknown — not stated by the source	3.62 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
3DKnown for one	No	Unknown — not stated by the source
Intel segment taggingDiffers	Enterprise	Home office, Small Business
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® QM87
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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