Product comparison · 2 laptops

Dell XPS 15z vs Lenovo 220 Tablet

97specifications compared
30differ
67identical
61known for one product only

Key differences

Product colour
- XPS 15z:Silver
- 220 Tablet:Black
Display diagonal
- XPS 15z:39.6 cm (15.6")
- 220 Tablet:31.8 cm (12.5")
Processor model
- XPS 15z:i5-2410M
- 220 Tablet:i5-2520M
Processor boost frequency
- XPS 15z:2.9 GHz
- 220 Tablet:3.2 GHz
Processor frequency
- XPS 15z:2.3 GHz
- 220 Tablet:2.5 GHz
Processor socket
- XPS 15z:BGA 1023
- 220 Tablet:Socket 988
PCI Express configurations
- XPS 15z:1x8, 1x16, 2x4, 2x8
- 220 Tablet:1x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)
- XPS 15z:23
- 220 Tablet:25

Side by side

Differences highlightedShow differences only

Comparison of XPS 15z, 220 Tablet
158 specifications	A Dell XPS 15z View product	B Lenovo 220 Tablet View product
Design1 differ
Product colourDiffers	Silver	Black
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	31.8 cm (12.5")
Display resolutionKnown for one	Unknown — not stated by the source	1366 x 768 pixels
TouchscreenKnown for one	Unknown — not stated by the source	Yes
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Processor7 differ
Processor modelDiffers	i5-2410M	i5-2520M
Processor boost frequencyDiffers	2.9 GHz	3.2 GHz
Processor frequencyDiffers	2.3 GHz	2.5 GHz
Processor socketDiffers	BGA 1023	Socket 988
Processor seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Core i5-2500 Mobile Series
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs	23	25
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage3 differ
Total storage capacityKnown for one	500 GB	Unknown — not stated by the source
HDD capacityDiffers	500 GB	250 GB
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Optical drive typeDiffers	DVD-RW	No
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, SDHC, SDIO, SDXC, xD	SD
Graphics2 differ
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GT 525M	Unknown — not stated by the source
Graphics card familyDiffers	NVIDIA	Intel
On-board graphics card dynamic frequency (max)Differs	1200 MHz	1300 MHz
Maximum resolutionKnown for one	Unknown — not stated by the source	1366 x 768 pixels
Graphics cardKnown for one	Unknown — not stated by the source	HD Graphics
Audioidentical
Audio systemKnown for one	HD 5.1	Unknown — not stated by the source
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Audio includedKnown for one	Unknown — not stated by the source	Mute Button, Speakers (integrated)
Cameraidentical
Front camera resolution (numeric)Known for one	1.3 MP	Unknown — not stated by the source
Network2 differ
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Wireless technologyDiffers	Wireless LAN	WAN; LAN
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Cabling technologyKnown for one	10/100Base-T(X)	Unknown — not stated by the source
4G WiMAXKnown for one	No	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	1	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	2	Unknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
HDMI versionKnown for one	1.4	Unknown — not stated by the source
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	0	1
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
ExpressCard slotKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel HM67 Express	Unknown — not stated by the source
GPS (satellite)Known for one	Unknown — not stated by the source	No
Keyboardidentical
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Keyboard typeKnown for one	Unknown — not stated by the source	7-row with Trackpoint
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7
Processor special features5 differ
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Processor ARK IDDiffers	52224	52229
Processor package sizeDiffers	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Processor codeKnown for one	Unknown — not stated by the source	SR048
Batteryidentical
Number of battery cellsKnown for one	8	Unknown — not stated by the source
Battery life (max)Known for one	8.37 h	Unknown — not stated by the source
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Power1 differ
AC adapter powerDiffers	90 W	65 W
Securityidentical
Cable lock slotKnown for one	No	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.51 kg	1.76 kg
WidthDiffers	384.9 mm	305 mm
DepthDiffers	260.4 mm	295 mm
HeightDiffers	24.7 mm	20.7 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data portKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Security featuresKnown for one	Unknown — not stated by the source	Hard disk drive password, Norton Internet Security, Power on password, Security Slot Fingerprint Reader
Battery typeKnown for one	Unknown — not stated by the source	6 Cell Lithium-Ion
Modem typeKnown for one	Unknown — not stated by the source	No
Manageability featuresKnown for one	Unknown — not stated by the source	1-Button system recovery, Automatic software and driver updates, Help, Lenovo Care, Password management, Simple network connectivity
Hard driveidentical
Storage drive typeKnown for one	Unknown — not stated by the source	250GB SATA/ 5400

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