Product comparison · 2 laptops

Dell XPS 12 Intel® Core™ i5 i5-3427U Laptop vs Dell XPS 14-l421x Intel® Core™ i7 i7-3517M Laptop

98specifications compared
39differ
59identical
85known for one product only

Key differences

Product colour
- XPS 12 Intel® Core™ i5 i5-3427U Laptop:Black, Silver
- XPS 14-l421x Intel® Core™ i7 i7-3517M Laptop:Aluminium, Silver
Form factor
- XPS 12 Intel® Core™ i5 i5-3427U Laptop:Convertible (Ferris Wheel)
- XPS 14-l421x Intel® Core™ i7 i7-3517M Laptop:Clamshell
Display diagonal
- XPS 12 Intel® Core™ i5 i5-3427U Laptop:31.8 cm (12.5")
- XPS 14-l421x Intel® Core™ i7 i7-3517M Laptop:35.6 cm (14")
Display resolution
- XPS 12 Intel® Core™ i5 i5-3427U Laptop:1920 x 1080 pixels
- XPS 14-l421x Intel® Core™ i7 i7-3517M Laptop:1600 x 900 pixels
Touchscreen
- XPS 12 Intel® Core™ i5 i5-3427U Laptop:Yes
- XPS 14-l421x Intel® Core™ i7 i7-3517M Laptop:No
HD type
- XPS 12 Intel® Core™ i5 i5-3427U Laptop:Full HD
- XPS 14-l421x Intel® Core™ i7 i7-3517M Laptop:HD+
Processor family
- XPS 12 Intel® Core™ i5 i5-3427U Laptop:Intel® Core™ i5
- XPS 14-l421x Intel® Core™ i7 i7-3517M Laptop:Intel® Core™ i7
Processor generation
- XPS 12 Intel® Core™ i5 i5-3427U Laptop:3rd gen Intel® Core™ i5
- XPS 14-l421x Intel® Core™ i7 i7-3517M Laptop:3rd gen Intel® Core™ i7

Side by side

Differences highlightedShow differences only

Comparison of 12, 14-l421x
183 specifications	A Dell XPS 12 Intel® Core™ i5 i5-3427U Laptop Model 12 View product	B Dell XPS 14-l421x Intel® Core™ i7 i7-3517M Laptop Model 14-l421x View product
Design2 differ
Product type	Laptop	Laptop
Product colourDiffers	Black, Silver	Aluminium, Silver
Form factorDiffers	Convertible (Ferris Wheel)	Clamshell
Housing materialKnown for one	Aluminium, Magnesium	Unknown — not stated by the source
Display4 differ
Display diagonalDiffers	31.8 cm (12.5")	35.6 cm (14")
Display resolutionDiffers	1920 x 1080 pixels	1600 x 900 pixels
TouchscreenDiffers	Yes	No
HD typeDiffers	Full HD	HD+
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
Display diagonal (metric)Known for one	31.75 cm	Unknown — not stated by the source
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	3rd gen Intel® Core™ i5	3rd gen Intel® Core™ i7
Processor modelDiffers	i5-3427U	i7-3517M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.8 GHz	3 GHz
Processor frequencyDiffers	1.8 GHz	1.9 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	4 MB
Processor cache typeDiffers	Smart Cache	L3
Processor socket	BGA 1023	BGA 1023
Processor lithographyKnown for one	22 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i5-3400 Mobile Series	Unknown — not stated by the source
Processor codenameKnown for one	Ivy Bridge	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingKnown for one	L1	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	17 W	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, 2x8, 1x8+2x4	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
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Memory layout (slots x size)Differs	1 x 4 GB	1 x 8 GB
Maximum internal memory	8 GB	8 GB
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Memory slots (available)Known for one	Unknown — not stated by the source	0
Storage3 differ
Total storage capacityDiffers	128 GB	532 GB
Storage mediaDiffers	SSD	HDD+SSD
Number of SSDs installed	1	1
SSD capacityDiffers	128 GB	32 GB
SSD interfaceKnown for one	mSATA	Unknown — not stated by the source
Optical drive type	No	No
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 speedKnown for one	Unknown — not stated by the source	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GT 630M
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4000	Intel® HD Graphics 4000
On-board graphics card base frequencyKnown for one	350 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1150 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x166	Unknown — not stated by the source
Number of discrete graphics cardsKnown for one	Unknown — not stated by the source	1
Audio2 differ
Audio systemDiffers	Realtek ALC3260	HD
Number of built-in speakersDiffers	1	2
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Cameraidentical
Front camera resolution (numeric)	1.3 MP	1.3 MP
Front camera resolutionKnown for one	1280 x 1024 pixels	Unknown — not stated by the source
Optical driveidentical
LightScribe	No	No
Network3 differ
Wi-Fi	Yes	Yes
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11a, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	No	Yes
Bluetooth	Yes	Yes
Bluetooth versionDiffers	3.0+HS	4.0
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.11a, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u
Ports & interfaces2 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
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 quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Performance1 differ
Motherboard chipsetDiffers	Intel® QS77 Express	Intel HM77 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypad	No	No
Spill-resistant keyboard	Yes	Yes
Full-size keyboard	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 8	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
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)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
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® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDKnown for one	64903	Unknown — not stated by the source
Processor codeKnown for one	SR0N7	Unknown — not stated by the source
Processor package sizeKnown for one	31 x 24 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
Battery3 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	6	8
Battery capacityDiffers	47 Wh	69 Wh
Power1 differ
AC adapter powerDiffers	45 W	90 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
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
Weight & dimensions5 differ
WeightDiffers	1.52 kg	2.1 kg
WidthDiffers	317 mm	335.8 mm
DepthDiffers	215 mm	233 mm
Height (front)Known for one	1.5 cm	Unknown — not stated by the source
Height (rear)Known for one	2 cm	Unknown — not stated by the source
Width (imperial)Differs	31.7 cm (12.5")	33.5 cm (13.2")
Depth (imperial)Differs	21.5 cm (8.46")	23.4 cm (9.2")
Height (front) (imperial)Known for one	1.5 cm (0.59")	Unknown — not stated by the source
Height (rear) (imperial)Known for one	2.01 cm (0.79")	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	20.7 mm
Height (imperial)Known for one	Unknown — not stated by the source	2.06 cm (0.81")
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Quick start guide	Yes	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
Other featuresidentical
Infrared data port	No	No
Number of products includedKnown for one	1 pc(s)	Unknown — not stated by the source
Volume controlKnown for one	Digital	Unknown — not stated by the source
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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