Product comparison · 2 laptops

Dell Latitude E5420 Intel® Core™ i3 i3-2310M Laptop vs Lenovo T420+Mini Dock Series 3

118specifications compared
27differ
91identical
45known for one product only

Key differences

Product colour
- Latitude E5420 Intel® Core™ i3 i3-2310M Laptop:Black, Silver
- T420+Mini Dock Series 3:Black
Processor family
- Latitude E5420 Intel® Core™ i3 i3-2310M Laptop:Intel® Core™ i3
- T420+Mini Dock Series 3:Intel® Core™ i5
Processor generation
- Latitude E5420 Intel® Core™ i3 i3-2310M Laptop:2nd gen Intel® Core™ i3
- T420+Mini Dock Series 3:2nd gen Intel® Core™ i5
Processor model
- Latitude E5420 Intel® Core™ i3 i3-2310M Laptop:i3-2310M
- T420+Mini Dock Series 3:i5-2410M
Processor frequency
- Latitude E5420 Intel® Core™ i3 i3-2310M Laptop:2.1 GHz
- T420+Mini Dock Series 3:2.3 GHz
PCI Express configurations
- Latitude E5420 Intel® Core™ i3 i3-2310M Laptop:1x16, 2x8, 1x8+2x4
- T420+Mini Dock Series 3:1x8, 1x16, 2x4, 2x8
CPU multiplier (bus/core ratio)
- Latitude E5420 Intel® Core™ i3 i3-2310M Laptop:21
- T420+Mini Dock Series 3:23
Internal memory
- Latitude E5420 Intel® Core™ i3 i3-2310M Laptop:2 GB
- T420+Mini Dock Series 3:4 GB

Side by side

Differences highlightedShow differences only

Comparison of E5420, T420+Mini Dock Series 3
163 specifications	A Dell Latitude E5420 Intel® Core™ i3 i3-2310M Laptop Model E5420 View product	B Lenovo T420+Mini Dock Series 3 View product
Design1 differ
Product typeKnown for one	Laptop	Unknown — not stated by the source
Product colourDiffers	Black, Silver	Black
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Displayidentical
Display diagonal	35.6 cm (14")	35.6 cm (14")
TouchscreenKnown for one	No	Unknown — not stated by the source
LED backlightKnown for one	Yes	Unknown — not stated by the source
Display resolutionKnown for one	Unknown — not stated by the source	1600 x 900 pixels
HD typeKnown for one	Unknown — not stated by the source	HD+
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Display brightnessKnown for one	Unknown — not stated by the source	230 cd/m²
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i5
Processor modelDiffers	i3-2310M	i5-2410M
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	2.1 GHz	2.3 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
L3 cacheKnown for one	3 MB	Unknown — not stated by the source
L2 cacheKnown for one	3 MB	Unknown — not stated by the source
Processor socket	BGA 1023	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2300 Mobile Series	Intel Core i5-2400 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 configurationsDiffers	1x16, 2x8, 1x8+2x4	1x8, 1x16, 2x4, 2x8
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	21	23
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.9 GHz
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Storage1 differ
Total storage capacityDiffers	250 GB	500 GB
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of HDDs installed	1	1
HDD capacityKnown for one	250 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD, SDHC, SDXC
Graphics2 differ
On-board graphics card	Yes	Yes
Graphics card familyDiffers	Intel	NVIDIA
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	1100 MHz	1200 MHz
On-board graphics card ID	0x116	0x116
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	N12P-NS1
Audioidentical
Audio systemKnown for one	HD	Unknown — not stated by the source
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Network1 differ
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
BluetoothDiffers	No	Yes
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	3.0+HS
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	4	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA/USB 2.0 ports quantity	1	1
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantityDiffers	0	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slot	Yes	Yes
TV-out	No	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Performance1 differ
Motherboard chipsetDiffers	Intel® HM65 Express	Intel® QM67 Express
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadKnown for one	No	Unknown — not stated by the source
Full-size keyboardKnown for one	Unknown — not stated by the source	No
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Compatible operating systemsKnown for one	Windows 7	Unknown — not stated by the source
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)Known for one	1	Unknown — not stated by the source
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	No	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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	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™Differs	Yes	No
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® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	52220	52224
Processor codeKnown for one	SR04S	Unknown — not stated by the source
Processor package sizeDiffers	37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.04 kg	2.24 kg
WidthDiffers	350 mm	340 mm
DepthDiffers	240 mm	229.8 mm
Height (front)	2.99 cm	2.99 cm
Height (rear)Differs	3.25 cm	3.04 cm
Width (imperial)Known for one	35 cm (13.8")	Unknown — not stated by the source
Depth (imperial)Known for one	24 cm (9.45")	Unknown — not stated by the source
Height (front) (imperial)Known for one	3 cm (1.18")	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
Other featuresidentical
Infrared data port	No	No
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Power requirementsKnown for one	Unknown — not stated by the source	100-240V
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6

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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