Product comparison · 2 laptops

Dell 14R (N7420) vs Dell 15R (N7520)

152specifications compared
35differ
117identical
21known for one product only

Key differences

Product colour
- 14R (N7420):Aluminium
- 15R (N7520):Black
Display diagonal
- 14R (N7420):35.6 cm (14")
- 15R (N7520):39.6 cm (15.6")
Display resolution
- 14R (N7420):1366 x 768 pixels
- 15R (N7520):1920 x 1080 pixels
Processor family
- 14R (N7420):Intel® Core™ i7
- 15R (N7520):Intel® Core™ i5
Processor generation
- 14R (N7420):3rd gen Intel® Core™ i7
- 15R (N7520):3rd gen Intel® Core™ i5
Processor model
- 14R (N7420):i7-3632QM
- 15R (N7520):i5-3210M
Processor cores
- 14R (N7420):4
- 15R (N7520):2
Processor threads
- 14R (N7420):8
- 15R (N7520):4

Side by side

Differences highlightedShow differences only

Comparison of 14R (N7420), 15R (N7520)
173 specifications	A Dell 14R (N7420)View product	B Dell 15R (N7520)View product
Design1 differ
Product colourDiffers	Aluminium	Black
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
HD typeKnown for one	Unknown — not stated by the source	Full HD
LED backlightKnown for one	Unknown — not stated by the source	Yes
Processor11 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	3rd gen Intel® Core™ i7	3rd gen Intel® Core™ i5
Processor modelDiffers	i7-3632QM	i5-3210M
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.2 GHz	3.1 GHz
Processor frequencyDiffers	2.2 GHz	2.5 GHz
Processor cacheDiffers	6 MB	3 MB
Processor socketDiffers	Socket 1224	BGA 1023
Processor seriesDiffers	Intel Core i7-3600 Mobile series	Intel Core i5-3200 Mobile series
SteppingKnown for one	Unknown — not stated by the source	L1
CPU multiplier (bus/core ratio)Differs	22	25
Memory2 differ
Internal memoryDiffers	8 GB	4 GB
Memory clock speedDiffers	1333 MHz	1600 MHz
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Storage1 differ
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD	Memory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXC
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphics2 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 640M	AMD Radeon HD 7730M
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1100 MHz
Audio1 differ
Audio systemDiffers	SRS Premium Sound	HD
Cameraidentical
Front camera resolution (numeric)Known for one	1.3 MP	Unknown — not stated by the source
Network2 differ
Ethernet LAN data ratesDiffers	10,100 Mbit/s	10,100,1000 Mbit/s
Cabling technologyDiffers	10/100Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	4
eSATA/USB 2.0 ports quantityDiffers	1	0
HDMI versionKnown for one	Unknown — not stated by the source	1.4a
Performance1 differ
Motherboard chipsetDiffers	Intel® HM57 Express	Intel HM77 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
Softwareidentical
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features3 differ
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Processor ARK IDDiffers	71458	65708
Processor codeKnown for one	Unknown — not stated by the source	SR0N0
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B)	31.0 x 24.0 (BGA1023)
Intel® Active Management Technology (Intel® AMT)Known for one	No	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	No	Unknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
Batteryidentical
Battery life (max)Known for one	5.15 h	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	90 W
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Weight & dimensions5 differ
WeightDiffers	2.25 kg	2.77 kg
WidthDiffers	343 mm	378 mm
DepthDiffers	246 mm	252 mm
Height (front)Differs	3.05 cm	3.03 cm
Height (rear)Differs	3.38 cm	3.41 cm
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	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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