Product comparison · 2 laptops

Dell 13 Ultrabook vs Dell 15 (3520)

130specifications compared
49differ
81identical
46known for one product only

Key differences

Product colour
- 13 Ultrabook:Aluminium, Silver
- 15 (3520):Black
Display diagonal
- 13 Ultrabook:33.8 cm (13.3")
- 15 (3520):39.6 cm (15.6")
Processor family
- 13 Ultrabook:Intel® Core™ i7
- 15 (3520):Intel® Core™ i5
Processor generation
- 13 Ultrabook:2nd gen Intel® Core™ i7
- 15 (3520):3rd gen Intel® Core™ i5
Processor model
- 13 Ultrabook:i7-2637M
- 15 (3520):i5-3210M
Processor boost frequency
- 13 Ultrabook:2.8 GHz
- 15 (3520):3.1 GHz
Processor frequency
- 13 Ultrabook:1.7 GHz
- 15 (3520):2.5 GHz
Processor cache
- 13 Ultrabook:4 MB
- 15 (3520):3 MB

Side by side

Differences highlightedShow differences only

Comparison of 13 Ultrabook, 15 (3520)
176 specifications	A Dell 13 Ultrabook View product	B Dell 15 (3520)View product
Design1 differ
Product colourDiffers	Aluminium, Silver	Black
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonalDiffers	33.8 cm (13.3")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
HD typeKnown for one	HD	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i7	3rd gen Intel® Core™ i5
Processor modelDiffers	i7-2637M	i5-3210M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.8 GHz	3.1 GHz
Processor frequencyDiffers	1.7 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	4 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor socket	BGA 1023	BGA 1023
Processor lithographyDiffers	32 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-2600 Mobile Series	Intel Core i5-3200 Mobile series
Processor codenameDiffers	Sandy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	J1	L1
Thermal Design Power (TDP)Differs	17 W	35 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
CPU multiplier (bus/core ratio)Differs	17	25
ECC supported by processor	No	No
Memory2 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Memory slots (available)Known for one	0	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	6 GB
Storage3 differ
Total storage capacityDiffers	256 GB	500 GB
Storage mediaDiffers	SSD	HDD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	256 GB	Unknown — not stated by the source
Optical drive typeDiffers	No	DVD Super Multi
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
Graphics card family	Intel	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 3000	Intel® HD Graphics 4000
On-board graphics card base frequencyDiffers	350 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1200 MHz	1100 MHz
On-board graphics card IDDiffers	0x116	0x166
Audioidentical
Audio systemKnown for one	HD	Unknown — not stated by the source
Number of built-in speakers	2	2
Speaker powerKnown for one	1.5 W	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Cameraidentical
Front camera resolution (numeric)Known for one	1.3 MP	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Network2 differ
Wi-Fi	Yes	Yes
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11a, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	No	Yes
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.11a, IEEE 802.11n	Unknown — not stated by the source
Integrated 4G WiMAX	Yes	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Fast Ethernet, WLAN
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	1	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	0
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) portsDiffers	0	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
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
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Microphone inKnown for one	Unknown — not stated by the source	Yes
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
Performance1 differ
Motherboard chipsetDiffers	Intel QS67 Express	Intel® HM75 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Keyboard languageKnown for one	German	Unknown — not stated by the source
Windows keysKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Linux
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 7 Home Premium Windows 7 Professional	Unknown — not stated by the source
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyDiffers	32 nm	22 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	Yes	No
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	54618	65708
Processor package size	31.0 x 24.0 (BGA1023)	31.0 x 24.0 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorDiffers	No	Yes
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SR0N0
Battery2 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery capacityDiffers	47 Wh	48 Wh
Battery life (max)Known for one	8.8 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	45 W	65 W
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions5 differ
WeightDiffers	1.36 kg	2.4 kg
WidthDiffers	316 mm	376 mm
DepthDiffers	205 mm	260 mm
Height (front)Differs	6 mm	3.15 cm
Height (rear)Differs	1.8 cm	3.45 cm
Width (imperial)Known for one	31.5 cm (12.4")	Unknown — not stated by the source
Depth (imperial)Known for one	20.6 cm (8.1")	Unknown — not stated by the source
Height (front) (imperial)Known for one	6.1 mm (0.24")	Unknown — not stated by the source
Height (rear) (imperial)Known for one	1.8 cm (0.71")	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	AC	Unknown — not stated by the source
Manual	Yes	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Supplied AC adapter type	AC	AC
Number of products includedKnown for one	Unknown — not stated by the source	1 pc(s)
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC

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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