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
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
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Processor14 differ
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 frequencyDiffers	2.1 GHz	2.5 GHz
Processor cacheDiffers	6 MB	3 MB
Processor socketKnown for one	Socket 1224	Unknown — not stated by the source
Processor lithographyDiffers	22 nm	32 nm
Processor seriesDiffers	Intel Core i7-3600 Mobile series	Intel Core i5-2400 Mobile Series
Processor codenameDiffers	Ivy Bridge	Sandy Bridge
SteppingDiffers	E1	J1
TjunctionDiffers	105 °C	100 °C
PCI Express slots versionDiffers	3.0	2.0
CPU multiplier (bus/core ratio)Differs	21	25
Memory1 differ
Internal memoryDiffers	8 GB	4 GB
Memory layout (slots x size)Known for one	2 x 4 GB	Unknown — not stated by the source
Memory slots (available)Known for one	0	Unknown — not stated by the source
Maximum internal memory (64-bit)Known for one	8 GB	Unknown — not stated by the source
Storage3 differ
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
Compatible memory cardsDiffers	Memory Stick (MS), MMC, SD	Memory Stick (MS), MMC, MS PRO, SD, xD
Graphics4 differ
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 modelDiffers	Intel® HD Graphics 4000	Intel® HD Graphics 3000
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
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Speakers manufacturerKnown for one	Skullcandy	Unknown — not stated by the source
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
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)
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
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
Docking connectorKnown for one	No	Unknown — not stated by the source
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
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
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7
Processor special features6 differ
Graphics & IMC lithographyDiffers	22 nm	32 nm
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
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 Response TechnologyKnown for one	No	Unknown — not stated by the source
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)
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
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
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
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.

More laptop comparisons

All laptop comparisons