Product comparison · 2 laptops

Dell 14 Touch (3421) vs Dell 15R (N7520)

148specifications compared
41differ
107identical
26known for one product only

Key differences

Display diagonal
- 14 Touch (3421):35.6 cm (14")
- 15R (N7520):39.6 cm (15.6")
Display resolution
- 14 Touch (3421):1366 x 768 pixels
- 15R (N7520):1920 x 1080 pixels
Touchscreen
- 14 Touch (3421):Yes
- 15R (N7520):No
Processor family
- 14 Touch (3421):Intel® Core™ i3
- 15R (N7520):Intel® Core™ i5
Processor generation
- 14 Touch (3421):3rd gen Intel® Core™ i3
- 15R (N7520):3rd gen Intel® Core™ i5
Processor model
- 14 Touch (3421):i3-3217U
- 15R (N7520):i5-3210M
Processor frequency
- 14 Touch (3421):1.8 GHz
- 15R (N7520):2.5 GHz
Thermal Design Power (TDP)
- 14 Touch (3421):17 W
- 15R (N7520):35 W

Side by side

Differences highlightedShow differences only

Comparison of 14 Touch (3421), 15R (N7520)
174 specifications	A Dell 14 Touch (3421)View product	B Dell 15R (N7520)View product
Display3 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
TouchscreenDiffers	Yes	No
HD typeKnown for one	Unknown — not stated by the source	Full HD
Processor8 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	3rd gen Intel® Core™ i3	3rd gen Intel® Core™ i5
Processor modelDiffers	i3-3217U	i5-3210M
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.1 GHz
Processor frequencyDiffers	1.8 GHz	2.5 GHz
Processor seriesDiffers	Intel Core i3-3200 Mobile Series	Intel Core i5-3200 Mobile series
Thermal Design Power (TDP)Differs	17 W	35 W
PCI Express slots versionDiffers	2.0	3.0
CPU multiplier (bus/core ratio)Differs	18	25
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Memory clock speedKnown for one	Unknown — not stated by the source	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
Storage4 differ
Total storage capacityDiffers	500 GB	1 TB
HDD capacityDiffers	500 GB	1 TB
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeDiffers	DVD-RW	DVD±RW
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MMC+, MS PRO, SD, SDHC, SDXC	Memory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXC
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphics4 differ
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	AMD Radeon HD 7730M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
On-board graphics card base frequencyDiffers	350 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1050 MHz	1100 MHz
Audio1 differ
Audio systemDiffers	MaxxAudio	HD
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Front camera resolution (numeric)Known for one	1 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 & interfaces5 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	4
VGA (D-Sub) ports quantityDiffers	0	1
Headphone outputsDiffers	0	1
Microphone inDiffers	No	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
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel HM76 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 features6 differ
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	65697	65708
Processor codeDiffers	SR0N9	SR0N0
Processor package sizeDiffers	31 x 24 mm	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
Battery1 differ
Battery capacityDiffers	65 Wh	48 Wh
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	90 W
Weight & dimensions5 differ
WeightDiffers	2.09 kg	2.77 kg
WidthDiffers	346 mm	378 mm
DepthDiffers	245 mm	252 mm
Height (front)Differs	2.53 cm	3.03 cm
Height (rear)Differs	2.87 cm	3.41 cm
Packaging contentidentical
Bag includedKnown for one	Yes	Unknown — not stated by the source
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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