Product comparison · 2 laptops

Dell Latitude E6420 XFR vs Dell Vostro 3555

70specifications compared
29differ
41identical
81known for one product only

Key differences

Display diagonal
- Latitude E6420 XFR:35.6 cm (14")
- Vostro 3555:39.6 cm (15.6")
Processor manufacturer
- Latitude E6420 XFR:Intel
- Vostro 3555:AMD
Processor family
- Latitude E6420 XFR:Intel® Core™ i7
- Vostro 3555:AMD A8
Processor model
- Latitude E6420 XFR:i7-2640M
- Vostro 3555:A8-3500M
Processor frequency
- Latitude E6420 XFR:2.8 GHz
- Vostro 3555:2.4 GHz
Maximum internal memory
- Latitude E6420 XFR:16 GB
- Vostro 3555:6 GB
Total storage capacity
- Latitude E6420 XFR:256 GB
- Vostro 3555:500 GB
Storage media
- Latitude E6420 XFR:SSD
- Vostro 3555:HDD

Side by side

Differences highlightedShow differences only

Comparison of Latitude E6420 XFR, Vostro 3555
151 specifications	A Dell Latitude E6420 XFR View product	B Dell Vostro 3555 View product
Designidentical
Product colour	Black	Black
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
Processor4 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel® Core™ i7	AMD A8
Processor generationKnown for one	2nd gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-2640M	A8-3500M
Processor coresKnown for one	2	Unknown — not stated by the source
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor boost frequencyKnown for one	3.5 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.8 GHz	2.4 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheKnown for one	4 MB	Unknown — not stated by the source
Processor cache typeKnown for one	Smart Cache	Unknown — not stated by the source
Processor lithographyKnown for one	32 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i7-2600 Mobile Series	Unknown — not stated by the source
Processor codenameKnown for one	Sandy Bridge	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingKnown for one	J1	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	35 W	Unknown — not stated by the source
TjunctionKnown for one	100 C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	28	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory1 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Memory slots (available)	1	1
Maximum internal memoryDiffers	16 GB	6 GB
Storage3 differ
Total storage capacityDiffers	256 GB	500 GB
Storage mediaDiffers	SSD	HDD
Number of HDDs installed	1	1
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
SSD interfaceKnown for one	SATA II	Unknown — not stated by the source
Optical drive type	DVD-RW	DVD-RW
Card reader integratedDiffers	No	Yes
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics1 differ
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	NVIDIA® NVS™ 4200M	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	0.512 GB	Unknown — not stated by the source
Graphics card familyDiffers	Intel, NVIDIA	AMD
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics 3000	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	650 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1300 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	stereo	SRS Premium
Number of built-in speakers	2	2
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Wi-Fi standardsDiffers	Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers	3	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	3
eSATA/USB 2.0 ports quantityDiffers	3	1
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantityDiffers	0	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
TV-out	No	No
Performance1 differ
Motherboard chipsetDiffers	Intel® QM67 Express	AMD A70M
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Keyboard language	German	German
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Trial softwareKnown for one	Unknown — not stated by the source	McAfee
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	Yes	Unknown — not stated by the source
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Insider™Known for one	Yes	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	2.0	Unknown — not stated by the source
Processor ARK IDKnown for one	53464	Unknown — not stated by the source
Processor codeKnown for one	SR03R	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	6	6+9
Battery capacityDiffers	60 Wh	90 Wh
Poweridentical
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint readerDiffers	Yes	No
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Certificates1 differ
CertificationDiffers	P21G, P21G001, EPEAT	P10G, P10G001, EPEAT
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	3.99 kg	2.48 kg
WidthDiffers	356.1 mm	375.4 mm
DepthDiffers	296 mm	260.2 mm
Height (front)Differs	5.86 cm	3.04 cm
Height (rear)Differs	6.7 cm	3.48 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modemKnown 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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