Product comparison · 2 laptops

Dell E6420 ATG vs Dell Latitude l0855220 Intel® Core™ i5 i5-2520M

134specifications compared
17differ
117identical
30known for one product only

Key differences

Display diagonal
- E6420 ATG:35.6 cm (14")
- Latitude l0855220 Intel® Core™ i5 i5-2520M:39.6 cm (15.6")
Display resolution
- E6420 ATG:1366 x 768 pixels
- Latitude l0855220 Intel® Core™ i5 i5-2520M:1920 x 1080 pixels
Total storage capacity
- E6420 ATG:250 GB
- Latitude l0855220 Intel® Core™ i5 i5-2520M:320 GB
HDD capacity
- E6420 ATG:250 GB
- Latitude l0855220 Intel® Core™ i5 i5-2520M:320 GB
Optical drive type
- E6420 ATG:DVD±RW
- Latitude l0855220 Intel® Core™ i5 i5-2520M:DVD-RW
Card reader integrated
- E6420 ATG:No
- Latitude l0855220 Intel® Core™ i5 i5-2520M:Yes
USB 2.0 ports quantity
- E6420 ATG:3
- Latitude l0855220 Intel® Core™ i5 i5-2520M:4
DVI port
- E6420 ATG:No
- Latitude l0855220 Intel® Core™ i5 i5-2520M:Yes

Side by side

Differences highlightedShow differences only

Comparison of E6420 ATG, l0855220
164 specifications	A Dell E6420 ATG View product	B Dell Latitude l0855220 Intel® Core™ i5 i5-2520M Model l0855220 View product
Designidentical
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
HD typeKnown for one	Unknown — not stated by the source	Full HD
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i5
Processor model	i5-2520M	i5-2520M
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3.2 GHz	3.2 GHz
Processor frequency	2.5 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	Socket 988	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i5-2500 Mobile Series	Intel Core i5-2500 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)	25	25
Maximum number of SMP processorsKnown for one	1	Unknown — not stated by the source
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)	1 x 4 GB	1 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Memory slots (available)Known for one	1	Unknown — not stated by the source
Maximum internal memory	8 GB	8 GB
Storage4 differ
Total storage capacityDiffers	250 GB	320 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	250 GB	320 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD±RW	DVD-RW
Card reader integratedDiffers	No	Yes
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
Graphics card family	Intel	Intel
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)	1300 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Audioidentical
Audio system	HD	HD
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Built-in microphoneKnown for one	No	Unknown — not stated by the source
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	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	No	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Wireless technologyKnown for one	Unknown — not stated by the source	802.11 b/g/n
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	3	4
eSATA/USB 2.0 ports quantity	1	1
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI portDiffers	No	Yes
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	0	1
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inDiffers	No	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotKnown for one	No	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® QM67 Express	Intel® HM65 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Windows keysKnown for one	Yes	Unknown — not stated by the source
Keyboard layoutKnown for one	AZERTY	Unknown — not stated by the source
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	32-bit	32-bit
Drivers included	Yes	Yes
Processor special features1 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 Technology	Yes	Yes
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
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™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK ID	52229	52229
Processor code	SR048	SR048
Processor package size	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	60 Wh	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Sustainabilityidentical
Sustainability certificates	EPEAT Gold, ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightKnown for one	2.7 kg	Unknown — not stated by the source
WidthDiffers	357 mm	388 mm
DepthDiffers	246 mm	251 mm
Height (front)Differs	2.9 cm	3.02 cm
Height (rear)Differs	3.77 cm	3.32 cm
Width (imperial)Known for one	35.7 cm (14.1")	Unknown — not stated by the source
Depth (imperial)Known for one	24.6 cm (9.7")	Unknown — not stated by the source
Height (front) (imperial)Known for one	2.9 cm (1.14")	Unknown — not stated by the source
Height (rear) (imperial)Known for one	3.76 cm (1.48")	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes

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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