Product comparison · 2 laptops

Dell 7520 SE vs Lenovo ThinkPad X230

161specifications compared
55differ
106identical
70known for one product only

Key differences

Product colour
- 7520 SE:Black, Silver
- ThinkPad X230:Black
Display diagonal
- 7520 SE:39.6 cm (15.6")
- ThinkPad X230:31.8 cm (12.5")
Display resolution
- 7520 SE:1920 x 1080 pixels
- ThinkPad X230:1366 x 768 pixels
HD type
- 7520 SE:Full HD
- ThinkPad X230:HD
Processor model
- 7520 SE:i7-3612QM
- ThinkPad X230:i7-3520M
Processor cores
- 7520 SE:4
- ThinkPad X230:2
Processor threads
- 7520 SE:8
- ThinkPad X230:4
Processor boost frequency
- 7520 SE:3.1 GHz
- ThinkPad X230:3.6 GHz

Side by side

Differences highlightedShow differences only

Comparison of 7520 SE, ThinkPad X230
231 specifications	A Dell 7520 SE View product	B Lenovo ThinkPad X230 View product
Design1 differ
Product colourDiffers	Black, Silver	Black
Form factor	Clamshell	Clamshell
Product typeKnown for one	Laptop	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	31.8 cm (12.5")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeDiffers	Full HD	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Processor11 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	3rd gen Intel® Core™ i7	3rd gen Intel® Core™ i7
Processor modelDiffers	i7-3612QM	i7-3520M
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.1 GHz	3.6 GHz
Processor frequencyDiffers	2.1 GHz	2.9 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	6 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	Socket 1224	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-3600 Mobile series	Intel Core i7-3500 Mobile series
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	E1	L1
Thermal Design Power (TDP)	35 W	35 W
Tjunction	105 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x8, 1x16, 2x4, 2x8
PCI Express slots version	3.0	3.0
CPU multiplier (bus/core ratio)Differs	21	29
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	1
ECC supported by processor	No	No
Memory2 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory layout (slots x size)	2 x 4 GB	2 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Memory slots (available)	0	0
Maximum internal memoryDiffers	8 GB	16 GB
Maximum internal memory (64-bit)Differs	8 GB	16 GB
Storage5 differ
Total storage capacityDiffers	750 GB	180 GB
Storage mediaDiffers	HDD	SSD
Number of HDDs installedDiffers	1	0
Number of SSDs installedDiffers	0	1
SSD capacityKnown for one	Unknown — not stated by the source	180 GB
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, SD	MMC, SD, SDHC, SDXC
HDD capacityKnown for one	750 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeKnown for one	DVD Super Multi DL	Unknown — not stated by the source
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	AMD Radeon HD 7730M	Not available
Graphics card familyDiffers	AMD, Intel	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4000	Intel® HD Graphics 4000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1250 MHz
On-board graphics card ID	0x166	0x166
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR5	Unknown — not stated by the source
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	HD	Dolby Advanced Audio 2.0
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	2	2
Built-in subwooferKnown for one	Unknown — not stated by the source	No
Built-in microphone	Yes	Yes
Speakers manufacturerKnown for one	Skullcandy	Unknown — not stated by the source
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Cameraidentical
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Front cameraKnown for one	Yes	Unknown — not stated by the source
Front camera resolution (numeric)Known for one	1 MP	Unknown — not stated by the source
Optical driveidentical
LightScribe	No	No
Optical drive interfaceKnown for one	SATA	Unknown — not stated by the source
DVD+R read speedKnown for one	8x	Unknown — not stated by the source
DVD+R write speedKnown for one	8x	Unknown — not stated by the source
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
2G standardsKnown for one	Unknown — not stated by the source	GPRS
3G standardsKnown for one	Unknown — not stated by the source	HSPA, HSPA+, WCDMA
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet, WLAN, WWAN
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 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
WWANKnown for one	Unknown — not stated by the source	Installed
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces3 differ
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
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	1	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Micro HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Mini VGA ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot type	No	No
Headphone connectivity	3.5 mm	3.5 mm
Microphone connectivity	3.5 mm	3.5 mm
S-Video portKnown for one	Unknown — not stated by the source	No
TV-outKnown for one	Unknown — not stated by the source	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
HDMI versionKnown for one	1.4a	Unknown — not stated by the source
Combo headphone/mic portKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel HM77 Express	Intel® QM77 Express
Keyboard3 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypad	No	No
Full-size keyboardDiffers	Yes	No
Windows keys	Yes	Yes
Keyboard layoutDiffers	QWERTZ	QWERTY
Keyboard languageKnown for one	German	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Pre-installed softwareKnown for one	Unknown — not stated by the source	SimpleTap, Microsoft Office 2010, Adobe Acrobat Reader, Skype, Microsoft Windows Live Essentials 2011, Evernote, Lenovo Cloud Storage by Sugarsync, Symantec VIP (Verisgn Identify Protection)
Trial softwareKnown for one	Unknown — not stated by the source	Norton Internet Security
Bundled softwareKnown for one	Unknown — not stated by the source	- Power Manager 6.0 - Access Connections 5.9 - Active Protective SystemTM - Password Manager 4.0
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows® 7 Home Premium 32 bit / 64 bit Windows® 7 Professional 32 bit / 64 bit Windows® 7 Ultimate 64 bit
Processor special features4 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	22 nm	22 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
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 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)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	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)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	64901	64893
Processor codeDiffers	SR0MR	SR0MU
Processor package sizeDiffers	31.0 x 24.0 (BGA1224)	37.5 x 37.5 (rPGA988B); 31.0 x 24.0 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown 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	6	9
Battery capacityDiffers	48 Wh	93.6 Wh
Battery life (max)Known for one	Unknown — not stated by the source	15.5 h
Power2 differ
AC adapter powerDiffers	90 W	65 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltageDiffers	100 - 240 V	120 - 230 V
DC-in jack	Yes	Yes
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
Power auto-sensingKnown for one	Yes	Unknown — not stated by the source
Security2 differ
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint readerDiffers	No	Yes
Face recognitionKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Password protection typeDiffers	Yes	HDD, Power on, Supervisor
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	Windows® 7 Home Premium 32 bit / 64 bit Windows® 7 Professional 32 bit / 64 bit Windows® 7 Ultimate 64 bit
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions9 differ
WeightDiffers	2.77 kg	1.34 kg
WidthDiffers	378 mm	305 mm
DepthDiffers	252 mm	206.5 mm
Height (front)Differs	3.03 cm	1.9 cm
Height (rear)Differs	3.41 cm	2.66 cm
Width (imperial)Differs	37.8 cm (14.9")	30.5 cm (12")
Depth (imperial)Differs	25.2 cm (9.92")	20.6 cm (8.13")
Height (front) (imperial)Differs	3.02 cm (1.19")	1.91 cm (0.75")
Height (rear) (imperial)Differs	3.4 cm (1.34")	2.67 cm (1.05")
Packaging contentidentical
AC adapter included	Yes	Yes
Cables included	AC	AC
Manual	Yes	Yes
Quick start guide	Yes	Yes
Warranty card	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC
3DKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Home office	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-15 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 85%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 90%	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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