Product comparison · 2 laptops

Dell S15Z-2289CPO laptop Intel® Core™ i5 i5-450M vs Lenovo IdeaPad U450p Intel® Pentium® SU4100

129specifications compared
56differ
73identical
60known for one product only

Key differences

Product colour
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:Cappuccino
- IdeaPad U450p Intel® Pentium® SU4100:Black
Display diagonal
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:39.6 cm (15.6")
- IdeaPad U450p Intel® Pentium® SU4100:35.6 cm (14")
HD type
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:Not supported
- IdeaPad U450p Intel® Pentium® SU4100:HD
Processor family
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:Intel® Core™ i5
- IdeaPad U450p Intel® Pentium® SU4100:Intel® Pentium®
Processor model
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:i5-450M
- IdeaPad U450p Intel® Pentium® SU4100:SU4100
Processor threads
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:4
- IdeaPad U450p Intel® Pentium® SU4100:2
Processor frequency
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:2.4 GHz
- IdeaPad U450p Intel® Pentium® SU4100:1.3 GHz
Processor cache
- S15Z-2289CPO laptop Intel® Core™ i5 i5-450M:3 MB
- IdeaPad U450p Intel® Pentium® SU4100:2 MB

Side by side

Differences highlightedShow differences only

Comparison of S15Z-2289CPO, U450p
189 specifications	A Dell S15Z-2289CPO laptop Intel® Core™ i5 i5-450M Model S15Z-2289CPO View product	B Lenovo IdeaPad U450p Intel® Pentium® SU4100 Model U450p View product
Design1 differ
Product colourDiffers	Cappuccino	Black
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
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
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
Processor14 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Pentium®
Processor modelDiffers	i5-450M	SU4100
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.4 GHz	1.3 GHz
Processor cacheDiffers	3 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Processor socketDiffers	Socket 988	BGA 956
Processor lithographyDiffers	32 nm	45 nm
Processor codenameDiffers	Arrandale	Penryn
Bus typeDiffers	DMI	FSB
SteppingDiffers	K0	R0
Motherboard southbridgeKnown for one	Unknown — not stated by the source	Intel ICH9M
Thermal Design Power (TDP)Differs	35 W	10 W
TcaseKnown for one	Unknown — not stated by the source	100 °C
Number of Processing Die TransistorsDiffers	382 M	410 M
Processing Die sizeDiffers	81 mm²	107 mm²
Processor generationKnown for one	4th gen Intel® Core™ i5	Unknown — not stated by the source
Processor boost frequencyKnown for one	2.66 GHz	Unknown — not stated by the source
System bus rateKnown for one	4.8 GT/s	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i5-400 Series	Unknown — not stated by the source
TjunctionKnown for one	105 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	18	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	4 GB	3 GB
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	1 x 1 + 1 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
Storage4 differ
Total storage capacityDiffers	500 GB	250 GB
HDD capacityDiffers	500 GB	250 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MMC+, MS PRO, SD, SDHC, xD	Memory Stick (MS), MMC, MS PRO, SD
Graphics2 differ
On-board graphics card familyDiffers	Intel® HD Graphics	Intel® GMA
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® GMA 4500MHD
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
Audio2 differ
Audio systemDiffers	SRS	Dolby Home Sound Room
Speaker powerDiffers	2 W	1.5 W
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
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
Network2 differ
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	54 Mbit/s
BluetoothDiffers	Yes	No
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111D(L)
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 & interfaces3 differ
DisplayPorts quantityDiffers	1	0
VGA (D-Sub) ports quantityDiffers	0	1
ExpressCard slotDiffers	Yes	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
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GS45 Express
Keyboardidentical
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 architectureKnown for one	Unknown — not stated by the source	32-bit
Processor special features16 differ
Intel Clear Video TechnologyDiffers	Yes	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	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)Differs	Yes	No
Intel® Turbo Boost TechnologyDiffers	1.0	No
Processor ARK IDDiffers	49022	43568
Processor codeDiffers	SLBTZ	SLGS4
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	22 x22 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.1/4.2	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	6 h
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
Power auto-sensingKnown for one	Unknown — not stated by the source	Yes
Securityidentical
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
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	2.1 kg
WidthDiffers	382 mm	338.5 mm
DepthDiffers	252 mm	235.5 mm
Height (front)Differs	1.8 cm	2.3 cm
Height (rear)Differs	2.53 cm	2.89 cm
Width (imperial)Differs	38.2 cm (15")	33.8 cm (13.3")
Depth (imperial)Differs	25.2 cm (9.92")	23.6 cm (9.3")
Height (front) (imperial)Differs	1.8 cm (0.71")	2.29 cm (0.9")
Height (rear) (imperial)Differs	2.51 cm (0.99")	2.79 cm (1.1")
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Volume controlKnown for one	Unknown — not stated by the source	Digital
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes

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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