Product comparison · 2 laptops

Dell 13 (L322x) MLK vs Dell 15 (3521)

127specifications compared
51differ
76identical
63known for one product only

Key differences

Product colour
- 13 (L322x) MLK:Black, Silver
- 15 (3521):Black
Display diagonal
- 13 (L322x) MLK:33.8 cm (13.3")
- 15 (3521):39.6 cm (15.6")
Display resolution
- 13 (L322x) MLK:1920 x 1080 pixels
- 15 (3521):1366 x 768 pixels
HD type
- 13 (L322x) MLK:Full HD
- 15 (3521):HD
Processor family
- 13 (L322x) MLK:Intel® Core™ i7
- 15 (3521):Intel® Pentium®
Processor model
- 13 (L322x) MLK:i7-3537U
- 15 (3521):2117U
Processor threads
- 13 (L322x) MLK:4
- 15 (3521):2
Processor frequency
- 13 (L322x) MLK:2 GHz
- 15 (3521):1.8 GHz

Side by side

Differences highlightedShow differences only

Comparison of 13 (L322x) MLK, 15 (3521)
190 specifications	A Dell 13 (L322x) MLK View product	B Dell 15 (3521)View product
Design1 differ
Product colourDiffers	Black, Silver	Black
Housing materialKnown for one	Aluminium	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	33.8 cm (13.3")	39.6 cm (15.6")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeDiffers	Full HD	HD
Processor9 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Pentium®
Processor generationKnown for one	3rd gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-3537U	2117U
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	3.1 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2 GHz	1.8 GHz
Processor cacheDiffers	4 MB	2 MB
Processor seriesDiffers	Intel Core i7-3500 Mobile series	Intel Pentium 2000 series for Mobile
SteppingDiffers	L1	P0
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs	20	18
Memory1 differ
Internal memoryDiffers	8 GB	4 GB
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Maximum internal memory (64-bit)Known for one	8 GB	Unknown — not stated by the source
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Storage3 differ
Total storage capacityDiffers	256 GB	1 TB
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±RW
Card reader integratedKnown for one	No	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
Graphics2 differ
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics 4000	Intel® HD Graphics
On-board graphics card dynamic frequency (max)Differs	1200 MHz	1000 MHz
On-board graphics card IDKnown for one	0x166	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	HD	Waves MaxxAudio 4
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	1.5 W	Unknown — not stated by the source
Camera1 differ
Front camera resolution (numeric)Differs	1.3 MP	1 MP
Front cameraKnown for one	Unknown — not stated by the source	Yes
Swivel webcamKnown for one	Unknown — not stated by the source	No
Rear cameraKnown for one	Unknown — not stated by the source	No
Network2 differ
Ethernet LANDiffers	No	Yes
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Integrated 4G WiMAXDiffers	Yes	No
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)
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3u
4G WiMAXKnown for one	Unknown — not stated by the source	No
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	0	2
Ethernet LAN (RJ-45) portsDiffers	0	1
HDMI ports quantityDiffers	0	1
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
USB Sleep-and-ChargeKnown for one	Yes	Unknown — not stated by the source
USB Sleep-and-Charge portsKnown for one	1	Unknown — not stated by the source
HDMI versionKnown for one	Unknown — not stated by the source	1.4a
Performance1 differ
Motherboard chipsetDiffers	Intel QS67 Express	Intel HM76 Express
Start-up timeKnown for one	8 s	Unknown — not stated by the source
Keyboard1 differ
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypadDiffers	No	Yes
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8 Pro	Windows 8
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features15 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	72054	71469
Processor codeDiffers	SR0XG	SR0VQ
Processor package sizeDiffers	31 x 24 (BGA1023)	31 x 24 mm
Supported instruction setsDiffers	AVX	SSE4.1, SSE4.2
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Battery1 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	47 Wh	Unknown — not stated by the source
Battery life (max)Known for one	8.53 h	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	45 W	Unknown — not stated by the source
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
AC adapter output currentKnown for one	2.31 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19.5 V	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 95%	Unknown — not stated by the source
Operating shockKnown for one	110 G	Unknown — not stated by the source
Non-operating shockKnown for one	160 G	Unknown — not stated by the source
Operating vibrationKnown for one	0.66 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	1.3 G	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	1.36 kg	2.25 kg
WidthDiffers	316 mm	376 mm
DepthDiffers	205 mm	259 mm
Height (front)Differs	6 mm	2.49 cm
Height (rear)Differs	1.8 cm	2.53 cm
Packaging contentidentical
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No

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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