Product comparison · 2 laptops

Dell Latitude E6420 Intel® Core™ i5 i5-2520M Laptop vs Dell Latitude E6520

129specifications compared
32differ
97identical
65known for one product only

Key differences

Display diagonal
- Latitude E6420 Intel® Core™ i5 i5-2520M Laptop:35.6 cm (14")
- Latitude E6520:39.6 cm (15.6")
Display resolution
- Latitude E6420 Intel® Core™ i5 i5-2520M Laptop:1366 x 768 pixels
- Latitude E6520:1600 x 900 pixels
HD type
- Latitude E6420 Intel® Core™ i5 i5-2520M Laptop:HD
- Latitude E6520:HD+
Processor family
- Latitude E6420 Intel® Core™ i5 i5-2520M Laptop:Intel® Core™ i5
- Latitude E6520:Intel® Core™ i3
Processor generation
- Latitude E6420 Intel® Core™ i5 i5-2520M Laptop:2nd gen Intel® Core™ i5
- Latitude E6520:2nd gen Intel® Core™ i3
Processor model
- Latitude E6420 Intel® Core™ i5 i5-2520M Laptop:i5-2520M
- Latitude E6520:i3-2310M
Processor frequency
- Latitude E6420 Intel® Core™ i5 i5-2520M Laptop:2.5 GHz
- Latitude E6520:2.1 GHz
Processor socket
- Latitude E6420 Intel® Core™ i5 i5-2520M Laptop:Socket 988
- Latitude E6520:BGA 1023

Side by side

Differences highlightedShow differences only

Comparison of E6420, Latitude E6520
194 specifications	A Dell Latitude E6420 Intel® Core™ i5 i5-2520M Laptop Model E6420 View product	B Dell Latitude E6520 View product
Designidentical
Product typeKnown for one	Laptop	Unknown — not stated by the source
Product colourKnown for one	Anthracite	Unknown — not stated by the source
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeDiffers	HD	HD+
Display number of coloursKnown for one	16.78 million colours	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 surfaceKnown for one	Matt	Unknown — not stated by the source
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i3
Processor modelDiffers	i5-2520M	i3-2310M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	3.2 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.5 GHz	2.1 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	Socket 988	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2500 Mobile Series	Intel Core i3-2300 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	J1	J1
Thermal Design Power (TDP)	35 W	35 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	25	21
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	8 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Storage3 differ
Total storage capacityDiffers	500 GB	320 GB
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityDiffers	500 GB	320 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Number of SSDs installedKnown for one	0	Unknown — not stated by the source
Optical drive typeDiffers	DVD±RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	MMC, SD	Unknown — not stated by the source
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® Quadro® NVS 4200M	Not available
Discrete graphics card memoryKnown for one	0.5 GB	Unknown — not stated by the source
Graphics card familyDiffers	NVIDIA	Intel
Discrete graphics memory typeKnown for one	GDDR3	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 3000	Intel® HD Graphics 3000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1300 MHz	1100 MHz
On-board graphics card ID	0x116	0x116
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Audioidentical
Audio system	HD	HD
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Optical drive interfaceKnown for one	SATA	Unknown — not stated by the source
Networkidentical
Mobile network connectionKnown for one	Yes	Unknown — not stated by the source
Mobile network generationKnown for one	3G	Unknown — not stated by the source
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Data networkKnown for one	Yes	Unknown — not stated by the source
Integrated 4G WiMAX	Yes	Yes
Wireless technologyKnown for one	Unknown — not stated by the source	Wireless LAN
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfacesidentical
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA/USB 2.0 ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
HDMI versionKnown for one	1.4	Unknown — not stated by the source
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slot type	No	No
TV-out	No	No
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipset	Intel® QM67 Express	Intel® QM67 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypadKnown for one	No	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
Keyboard layoutKnown for one	Unknown — not stated by the source	AZERTY
Software1 differ
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architectureDiffers	64-bit	32-bit
Bundled softwareKnown for one	Dell Webcam Central	Unknown — not stated by the source
Processor special features7 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	32 nm	32 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
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)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
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® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	52229	52220
Processor codeDiffers	SR048	SR04S
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cells	6	6
Battery capacity	60 Wh	60 Wh
Poweridentical
AC adapter powerKnown for one	65 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	3.34 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19.5 V	Unknown — not stated by the source
Power auto-sensingKnown for one	Yes	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 85%	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificates	EPEAT Gold, ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	2.07 kg	2.5 kg
WidthDiffers	352 mm	384 mm
DepthDiffers	241 mm	258 mm
Height (front)Differs	2.69 cm	2.83 cm
Height (rear)Differs	3.24 cm	3.42 cm
Width (imperial)Known for one	35.2 cm (13.9")	Unknown — not stated by the source
Depth (imperial)Known for one	24.1 cm (9.49")	Unknown — not stated by the source
Height (front) (imperial)Known for one	2.69 cm (1.06")	Unknown — not stated by the source
Height (rear) (imperial)Known for one	3.25 cm (1.28")	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	AC	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
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
3DKnown for one	No	Unknown — not stated by the source
TV tuner integrated	No	No
Supplied AC adapter type	AC	AC
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC

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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