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
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
HD typeDiffers	Full HD	HD
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 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
Processor cacheDiffers	6 MB	4 MB
Processor socketDiffers	Socket 1224	BGA 1023
Processor seriesDiffers	Intel Core i7-3600 Mobile series	Intel Core i7-3500 Mobile series
SteppingDiffers	E1	L1
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x8, 1x16, 2x4, 2x8
CPU multiplier (bus/core ratio)Differs	21	29
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	1
Memory2 differ
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
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
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 dynamic frequency (max)Differs	1100 MHz	1250 MHz
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 subwooferKnown for one	Unknown — not stated by the source	No
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
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
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)
WWANKnown for one	Unknown — not stated by the source	Installed
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
HDMI ports quantityDiffers	1	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
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
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
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
Full-size keyboardDiffers	Yes	No
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
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 Trusted Execution TechnologyDiffers	No	Yes
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)
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
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 input voltageDiffers	100 - 240 V	120 - 230 V
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
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")
Other featuresidentical
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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