Product comparison · 2 laptops

Dell 14R (5421) vs Dell 15 (l521x)

143specifications compared
36differ
107identical
35known for one product only

Key differences

Product colour
- 14R (5421):Silver
- 15 (l521x):Aluminium, Silver
Display diagonal
- 14R (5421):35.6 cm (14")
- 15 (l521x):39.6 cm (15.6")
Display resolution
- 14R (5421):1366 x 768 pixels
- 15 (l521x):1920 x 1080 pixels
Touchscreen
- 14R (5421):Yes
- 15 (l521x):No
Processor family
- 14R (5421):Intel® Core™ i3
- 15 (l521x):Intel® Core™ i5
Processor generation
- 14R (5421):3rd gen Intel® Core™ i3
- 15 (l521x):3rd gen Intel® Core™ i5
Processor model
- 14R (5421):i3-3227U
- 15 (l521x):i5-3230M
Processor frequency
- 14R (5421):1.9 GHz
- 15 (l521x):2.6 GHz

Side by side

Differences highlightedShow differences only

Comparison of 14R (5421), 15 (l521x)
178 specifications	A Dell 14R (5421)View product	B Dell 15 (l521x)View product
Design1 differ
Product colourDiffers	Silver	Aluminium, Silver
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
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Processor8 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	3rd gen Intel® Core™ i3	3rd gen Intel® Core™ i5
Processor modelDiffers	i3-3227U	i5-3230M
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.2 GHz
Processor frequencyDiffers	1.9 GHz	2.6 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	19	26
Memory1 differ
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Maximum internal memoryDiffers	6 GB	16 GB
Storage3 differ
Total storage capacityDiffers	500 GB	532 GB
Storage mediaDiffers	HDD	HDD+SSD
HDD speedDiffers	5400 RPM	7200 RPM
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	32 GB
SSD interfaceKnown for one	Unknown — not stated by the source	mSATA
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXC	Unknown — not stated by the source
Graphics3 differ
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GT 630M
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR5
On-board graphics card base frequencyDiffers	350 MHz	650 MHz
Audio1 differ
Audio systemDiffers	HD	HD + Waves MaxxAudio 4
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Camera1 differ
Front camera resolution (numeric)Differs	1 MP	1.3 MP
Network3 differ
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g
Ethernet LAN data ratesDiffers	10,100 Mbit/s	10,100,1000 Mbit/s
Cabling technologyDiffers	10/100Base-T(X)	10/100/1000Base-T(X)
Data networkKnown for one	Not supported	Unknown — not stated by the source
4G WiMAXKnown for one	No	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	3
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
HDMI versionKnown for one	1.4a	Unknown — not stated by the source
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel HM76 Express	Intel HM77 Express
Keyboardidentical
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard layoutKnown for one	Unknown — not stated by the source	AZERTY
Software1 differ
Operating system installedDiffers	Windows 8	Windows 8 Pro
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features4 differ
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
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	72057	72056
Processor codeDiffers	SR0XF	SR0WX
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
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Battery1 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	65 Wh	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.3 kg	2.6 kg
WidthDiffers	349 mm	371 mm
DepthDiffers	245 mm	249 mm
HeightKnown for one	Unknown — not stated by the source	23.2 mm
Height (front)Known for one	2.79 cm	Unknown — not stated by the source
Height (rear)Known for one	3.29 cm	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
64-bit computingKnown 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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