Product comparison · 2 laptops

Dell 7520 SE vs Lenovo IdeaPad z480 Intel® Core™ i5 i5-2450M

130specifications compared
40differ
90identical
75known for one product only

Key differences

Product colour
- 7520 SE:Black, Silver
- IdeaPad z480 Intel® Core™ i5 i5-2450M:Blue
Display diagonal
- 7520 SE:39.6 cm (15.6")
- IdeaPad z480 Intel® Core™ i5 i5-2450M:35.6 cm (14")
Display resolution
- 7520 SE:1920 x 1080 pixels
- IdeaPad z480 Intel® Core™ i5 i5-2450M:1366 x 768 pixels
HD type
- 7520 SE:Full HD
- IdeaPad z480 Intel® Core™ i5 i5-2450M:HD
Processor family
- 7520 SE:Intel® Core™ i7
- IdeaPad z480 Intel® Core™ i5 i5-2450M:Intel® Core™ i5
Processor generation
- 7520 SE:3rd gen Intel® Core™ i7
- IdeaPad z480 Intel® Core™ i5 i5-2450M:2nd gen Intel® Core™ i5
Processor model
- 7520 SE:i7-3612QM
- IdeaPad z480 Intel® Core™ i5 i5-2450M:i5-2450M
Processor cores
- 7520 SE:4
- IdeaPad z480 Intel® Core™ i5 i5-2450M:2

Side by side

Differences highlightedShow differences only

Comparison of 7520 SE, z480
205 specifications	A Dell 7520 SE View product	B Lenovo IdeaPad z480 Intel® Core™ i5 i5-2450M Model z480 View product
Design1 differ
Product typeKnown for one	Laptop	Unknown — not stated by the source
Product colourDiffers	Black, Silver	Blue
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeDiffers	Full HD	HD
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 surfaceKnown for one	Matt	Unknown — not stated by the source
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	3rd gen Intel® Core™ i7	2nd gen Intel® Core™ i5
Processor modelDiffers	i7-3612QM	i5-2450M
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequency	3.1 GHz	3.1 GHz
Processor frequencyDiffers	2.1 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	6 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketKnown for one	Socket 1224	Unknown — not stated by the source
Processor lithographyDiffers	22 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-3600 Mobile series	Intel Core i5-2400 Mobile Series
Processor codenameDiffers	Ivy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	E1	J1
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	3.0	2.0
CPU multiplier (bus/core ratio)Differs	21	25
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory layout (slots x size)Known for one	2 x 4 GB	Unknown — not stated by the source
Memory slots	2x SO-DIMM	2x SO-DIMM
Memory slots (available)Known for one	0	Unknown — not stated by the source
Maximum internal memory	8 GB	8 GB
Maximum internal memory (64-bit)Known for one	8 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacity	750 GB	750 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	750 GB	750 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Number of SSDs installedKnown for one	0	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi DL	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, SD	Memory Stick (MS), MMC, MS PRO, SD, xD
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	AMD Radeon HD 7730M	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Graphics card familyDiffers	AMD, Intel	Intel
Discrete graphics memory typeKnown for one	GDDR5	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 4000	Intel® HD Graphics 3000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1300 MHz
On-board graphics card IDDiffers	0x166	0x116
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Audioidentical
Audio system	HD	HD
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Number of built-in speakers	2	2
Speakers manufacturerKnown for one	Skullcandy	Unknown — not stated by the source
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Cameraidentical
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
LightScribeKnown for one	No	Unknown — not stated by the source
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
Network3 differ
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Cabling technologyDiffers	10/100/1000Base-T(X)	10/100Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Fast Ethernet
Wireless technologyKnown for one	Unknown — not stated by the source	Wi-Fi
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.11b, IEEE 802.11n, IEEE 802.3, IEEE 802.3u
Ports & interfaces1 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
HDMI versionKnown for one	1.4a	Unknown — not stated by the source
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	No	Unknown — not stated by the source
Microphone in	Yes	Yes
Docking connectorKnown for one	No	Unknown — not stated by the source
ExpressCard slot	No	No
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	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
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipsetKnown for one	Intel HM77 Express	Unknown — not stated by the source
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Keyboard layoutKnown for one	QWERTZ	Unknown — not stated by the source
Keyboard languageKnown for one	German	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architecture	64-bit	64-bit
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7
Processor special features6 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 lithographyDiffers	22 nm	32 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 versionKnown for one	1.00	Unknown — not stated by the source
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)Differs	Yes	No
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 KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart Cache	Yes	Yes
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	64901	53452
Processor codeDiffers	SR0MR	SR04Z
Processor package sizeDiffers	31.0 x 24.0 (BGA1224)	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorDiffers	Yes	No
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	48 Wh	Unknown — not stated by the source
Battery life (max)Known for one	Unknown — not stated by the source	5 h
Poweridentical
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
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 V	Unknown — not stated by the source
Power auto-sensingKnown for one	Yes	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	No	Unknown — not stated by the source
Password protection typeKnown for one	Yes	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
Weight & dimensions3 differ
WeightDiffers	2.77 kg	2.3 kg
WidthDiffers	378 mm	341 mm
DepthDiffers	252 mm	232 mm
Height (front)Known for one	3.03 cm	Unknown — not stated by the source
Height (rear)Known for one	3.41 cm	Unknown — not stated by the source
Width (imperial)Known for one	37.8 cm (14.9")	Unknown — not stated by the source
Depth (imperial)Known for one	25.2 cm (9.92")	Unknown — not stated by the source
Height (front) (imperial)Known for one	3.02 cm (1.19")	Unknown — not stated by the source
Height (rear) (imperial)Known for one	3.4 cm (1.34")	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	32.4 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables included	AC	AC
Manual	Yes	Yes
Quick start guide	Yes	Yes
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
3DKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Home office	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	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.

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