Product comparison · 2 laptops

Dell S15Z-2289CPO laptop Intel® Core™ i5 i5-450M vs Lenovo IdeaPad Y550P Intel® Core™ i7 i7-720QM

141specifications compared
58differ
83identical
45known for one product only

Key differences

Product colour
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:Cappuccino
- IdeaPad Y550P Intel® Core™ i7 i7-720QM:Black
HD type
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:Not supported
- IdeaPad Y550P Intel® Core™ i7 i7-720QM:HD
Processor family
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:Intel® Core™ i5
- IdeaPad Y550P Intel® Core™ i7 i7-720QM:Intel® Core™ i7
Processor generation
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:4th gen Intel® Core™ i5
- IdeaPad Y550P Intel® Core™ i7 i7-720QM:Intel® Core™ i7
Processor model
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:i5-450M
- IdeaPad Y550P Intel® Core™ i7 i7-720QM:i7-720QM
Processor cores
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:2
- IdeaPad Y550P Intel® Core™ i7 i7-720QM:4
Processor threads
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:4
- IdeaPad Y550P Intel® Core™ i7 i7-720QM:8
Processor boost frequency
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:2.66 GHz
- IdeaPad Y550P Intel® Core™ i7 i7-720QM:2.8 GHz

Side by side

Differences highlightedShow differences only

Comparison of S15Z-2289CPO, Y550P
186 specifications	A Dell S15Z-2289CPO laptop Intel® Core™ i5 i5-450M Model S15Z-2289CPO View product	B Lenovo IdeaPad Y550P Intel® Core™ i7 i7-720QM Model Y550P View product
Design1 differ
Product colourDiffers	Cappuccino	Black
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionKnown for one	Unknown — not stated by the source	1366 x 768 pixels
TouchscreenKnown for one	Unknown — not stated by the source	No
HD typeDiffers	Not supported	HD
LED backlight	Yes	Yes
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Display brightnessKnown for one	Unknown — not stated by the source	220 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
Processor19 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i5	Intel® Core™ i7
Processor modelDiffers	i5-450M	i7-720QM
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	2.66 GHz	2.8 GHz
Processor frequencyDiffers	2.4 GHz	1.6 GHz
System bus rateDiffers	4.8 GT/s	2.5 GT/s
Processor cacheDiffers	3 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	Socket 988	Socket 988
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-400 Series	Intel Core i7-700 Mobile Series
Processor codenameDiffers	Arrandale	Clarksfield
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	K0	B1
Thermal Design Power (TDP)Differs	35 W	45 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16	1x16, 2x8
PCI Express slots version	2.0	2.0
Number of Processing Die TransistorsDiffers	382 M	774 M
Processing Die sizeDiffers	81 mm²	296 mm²
CPU multiplier (bus/core ratio)Differs	18	12
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Memory slots (available)Known for one	Unknown — not stated by the source	0
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Storage2 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive type	DVD±RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MMC+, MS PRO, SD, SDHC, xD	Memory Stick (MS), MMC, MS PRO, SD, xD
Graphics5 differ
On-board graphics cardDiffers	Yes	No
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GT 240M
Graphics card familyDiffers	Intel	NVIDIA
On-board graphics card modelDiffers	Intel® HD Graphics	Not available
Number of discrete graphics cardsKnown for one	Unknown — not stated by the source	1
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	500 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	766 MHz	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	SRS	Dolby Home Theater
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
Swivel webcam	No	No
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
LabelflashKnown for one	Unknown — not stated by the source	No
Disc types supportedKnown for one	CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	150 Mbit/s
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
BluetoothDiffers	Yes	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Network connection typeKnown for one	Unknown — not stated by the source	RJ-45
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
SIM card supportKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA/USB 2.0 ports quantityDiffers	0	1
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Microphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
TV-out	No	No
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® PM55 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features14 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	Yes	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Rapid Storage Technology	No	No
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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost Technology	1.0	1.0
Physical Address Extension (PAE)Differs	36 bit	Yes
Processor ARK IDDiffers	49022	43122
Processor codeDiffers	SLBTZ	SLBLY
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE4.1/4.2	SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery life (max)Known for one	Unknown — not stated by the source	3.5 h
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	90 W
Power auto-sensingKnown for one	Unknown — not stated by the source	Yes
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Supervisor, User
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Silver, ENERGY STAR
Weight & dimensions9 differ
WeightDiffers	2.5 kg	2.75 kg
WidthDiffers	382 mm	385 mm
DepthDiffers	252 mm	255 mm
Height (front)Differs	1.8 cm	2.6 cm
Height (rear)Differs	2.53 cm	3.7 cm
Width (imperial)Differs	38.2 cm (15")	38.6 cm (15.2")
Depth (imperial)Differs	25.2 cm (9.92")	25.4 cm (10")
Height (front) (imperial)Differs	1.8 cm (0.71")	2.59 cm (1.02")
Height (rear) (imperial)Differs	2.51 cm (0.99")	3.81 cm (1.5")
Videoidentical
HD-Ready	Yes	Yes
Packaging contentidentical
AC adapter included	Yes	Yes
Cables included	AC	AC
Manual	Yes	Yes
Quick start guide	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power supply type	AC/DC	AC/DC
Volume controlKnown for one	Unknown — not stated by the source	Digital
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Supplied AC adapter type	AC	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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