Product comparison · 2 laptops

Dell Inspiron 11z vs Dell Inspiron 15

107specifications compared
54differ
53identical
36known for one product only

Key differences

Display diagonal
- Inspiron 11z:29.5 cm (11.6")
- Inspiron 15:39.6 cm (15.6")
Processor family
- Inspiron 11z:Intel® Celeron® M
- Inspiron 15:Intel® Core™ i3
Processor model
- Inspiron 11z:743
- Inspiron 15:i3-330M
Processor cores
- Inspiron 11z:1
- Inspiron 15:2
Processor threads
- Inspiron 11z:1
- Inspiron 15:4
Processor frequency
- Inspiron 11z:1.3 GHz
- Inspiron 15:2.13 GHz
Processor cache
- Inspiron 11z:1 MB
- Inspiron 15:3 MB
Processor cache type
- Inspiron 11z:L2
- Inspiron 15:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of Inspiron 11z, Inspiron 15
143 specifications	A Dell Inspiron 11z View product	B Dell Inspiron 15 View product
Designidentical
Product colour	Black	Black
Display1 differ
Display diagonalDiffers	29.5 cm (11.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Native aspect ratio	16:9	16:9
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron® M	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	3rd gen Intel® Core™ i3
Processor modelDiffers	743	i3-330M
Processor coresDiffers	1	2
Processor threadsDiffers	1	4
Processor frequencyDiffers	1.3 GHz	2.13 GHz
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Processor cacheDiffers	1 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketDiffers	BGA 956	BGA 1288
Processor lithographyDiffers	45 nm	32 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesDiffers	Intel Celeron M ULV 700 Series	Intel Core i3-300 Mobile Series
Processor codenameDiffers	Penryn	Arrandale
Bus typeDiffers	FSB	DMI
FSB Parity	No	No
SteppingDiffers	R0	C2
Thermal Design Power (TDP)Differs	10 W	35 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Number of Processing Die TransistorsDiffers	410 M	382 M
Processing Die sizeDiffers	107 mm²	81 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	16
ECC supported by processor	No	No
Processor front side busKnown for one	800 MHz	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	800 MHz	1066 MHz
Memory layout (slots x size)Differs	1 x 2 GB	2 x 2 GB
Maximum internal memory	4 GB	4 GB
Storage3 differ
Total storage capacityDiffers	250 GB	500 GB
Number of HDDs installed	1	1
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	No	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC, MS Pro, SD, SDHC, xD
Graphics1 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	GS45	AMD Mobilty Radeon HD 4330
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	500 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	667 MHz
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.5 GB
Audio1 differ
Audio systemKnown for one	Unknown — not stated by the source	SRS Premium
Number of built-in speakers	2	2
Speaker powerDiffers	2 W	4 W
Cameraidentical
Front camera resolution (numeric)	1.3 MP	1.3 MP
Optical driveidentical
DVD-R read speedKnown for one	Unknown — not stated by the source	8x
DVD-R write speedKnown for one	Unknown — not stated by the source	8x
DVD-RW read speedKnown for one	Unknown — not stated by the source	8x
DVD-RW write speedKnown for one	Unknown — not stated by the source	8x
DVD+R read speedKnown for one	Unknown — not stated by the source	8x
DVD+R write speedKnown for one	Unknown — not stated by the source	8x
DVD+RW read speedKnown for one	Unknown — not stated by the source	8x
DVD+RW write speedKnown for one	Unknown — not stated by the source	8x
Network1 differ
Networking features	Ethernet, Fast Ethernet	Ethernet, Fast Ethernet
Wireless technologyDiffers	IEEE 802.11 a/b/g	IEEE 802.11 n
Bluetooth	No	No
Ports & interfaces1 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
TV-in port	No	No
TV-out	No	No
Performance1 differ
Motherboard chipsetDiffers	Intel® GS45 Express	Intel® HM55 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Windows keys	Yes	Yes
Keyboard layout	QWERTY	QWERTY
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Trial software	McAfee Security Centre 10.0	McAfee Security Centre 10.0
Bundled software	Microsoft Works 9.0	Microsoft Works 9.0
Processor special features18 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable BitDiffers	No	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Differs	No	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
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	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	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	No	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	37135	47663
Processor codeDiffers	SLGEV	SLBNF
Processor package sizeDiffers	22 x 22 mm	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsDiffers	3	6
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	24 W	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	1.39 kg	2.47 kg
WidthDiffers	292 mm	380 mm
DepthDiffers	214 mm	248 mm
Height (front)Differs	2.35 cm	2 cm
Height (rear)Differs	2.58 cm	3.28 cm
Weight (imperial)Known for one	1.38 kg (3.05 lbs)	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Internal modem	No	No
Supplied AC adapter type	AC	AC
Compliance industry standardsKnown for one	IEEE 802.11a, IEEE 802.11b, IEEE 802.11g	Unknown — not stated by the source
Securityidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source

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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