Product comparison · 2 laptops

Dell E6510-M311BE laptop Intel® Core™ i7 i7-720QM vs Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64

118specifications compared
55differ
63identical
28known for one product only

Key differences

The Dell E6510-M311BE laptop Intel® Core™ i7 i7-720QM has 2 more processor cores than the Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 (4 vs 2). The Dell E6510-M311BE laptop Intel® Core™ i7 i7-720QM has 4 more processor threads than the Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 (8 vs 4). The Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has 0.13 GHz more processor boost frequency than the Dell E6510-M311BE laptop Intel® Core™ i7 i7-720QM (2.93 GHz vs 2.8 GHz). Only the Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has on-board graphics card. Only the Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has SmartCard slot.

Display diagonal
- E6510-M311BE laptop Intel® Core™ i7 i7-720QM:39.6 cm (15.6")
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:30.7 cm (12.1")
Display resolution
- E6510-M311BE laptop Intel® Core™ i7 i7-720QM:1600 x 900 pixels
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:1280 x 800 pixels
Native aspect ratio
- E6510-M311BE laptop Intel® Core™ i7 i7-720QM:16:9
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:16:10
Processor family
- E6510-M311BE laptop Intel® Core™ i7 i7-720QM:Intel® Core™ i7
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:Intel® Core™ i5
Processor generation
- E6510-M311BE laptop Intel® Core™ i7 i7-720QM:Intel® Core™ i7
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:Intel® Core™ i5
Processor model
- E6510-M311BE laptop Intel® Core™ i7 i7-720QM:i7-720QM
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:i5-520M
Processor cores
- E6510-M311BE laptop Intel® Core™ i7 i7-720QM:4
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:2
Processor threads
- E6510-M311BE laptop Intel® Core™ i7 i7-720QM:8
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:4

Side by side

Differences highlightedShow differences only

Comparison of E6510-M311BE, THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64
146 specifications	A Dell E6510-M311BE laptop Intel® Core™ i7 i7-720QM Model E6510-M311BE View product	B Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 View product
Designidentical
Product colour	Black	Black
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	30.7 cm (12.1")
Display resolutionDiffers	1600 x 900 pixels	1280 x 800 pixels
Native aspect ratioDiffers	16:9	16:10
Dual-screenKnown for one	Unknown — not stated by the source	No
HD typeKnown for one	HD+	Unknown — not stated by the source
Processor19 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor modelDiffers	i7-720QM	i5-520M
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	2.8 GHz	2.93 GHz
Processor frequencyDiffers	1.6 GHz	2.4 GHz
System bus rate	2.5 GT/s	2.5 GT/s
Processor cacheDiffers	6 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	Socket 988	BGA 956
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-700 Mobile Series	Intel Core i5-500 Mobile Series
Processor codenameDiffers	Clarksfield	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	B1	C2
Thermal Design Power (TDP)Differs	45 W	35 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16, 2x8	1x16
PCI Express slots version	2.0	2.0
Number of Processing Die TransistorsDiffers	774 M	382 M
Processing Die sizeDiffers	296 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	12	18
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memory	8 GB	8 GB
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	500 GB	128 GB
HDD speed	7200 RPM	7200 RPM
Optical drive typeDiffers	DVD-RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD, SDHC
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphics3 differ
On-board graphics cardDiffers	No	Yes
Graphics card familyDiffers	NVIDIA	Intel
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelDiffers	Not available	Intel® HD Graphics
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	500 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	766 MHz
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.384 GB
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	NVIDIA Quadro HD 6310	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	0.512 GB	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Networkidentical
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Bluetooth	Yes	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers	4	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA ports quantityDiffers	1	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	1	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
SmartCard slotDiffers	No	Yes
Modem (RJ-11) portsDiffers	0	1
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® QM57 Express
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Optional operating system suppliedKnown for one	Windows XP Professional	Unknown — not stated by the source
Processor special features13 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	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)	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)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	1.0	1.0
Physical Address Extension (PAE)Differs	Yes	36 bit
Processor ARK IDDiffers	43122	47341
Processor package sizeDiffers	37.5 x 37.5 mm	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffers	SSE4.2	SSE4.1/4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Processor codeKnown for one	SLBLY	Unknown — not stated by the source
Batteryidentical
Number of battery cells	6	6
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	60 W	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions5 differ
WeightDiffers	2.51 kg	1.44 kg
WidthDiffers	374.3 mm	295 mm
DepthDiffers	253.3 mm	210 mm
Height (front)Differs	2.71 cm	2.07 cm
Height (rear)Differs	3.35 cm	3.53 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	No	Yes
TV tuner integrated	No	No
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.92
Supplied AC adapter type	AC	AC

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.

More laptop comparisons

All laptop comparisons