Product comparison · 2 laptops

Acer Dual Screen vs Lenovo ThinkPad T420i Intel® Core™ i3 i3-2310M

102specifications compared
43differ
59identical
80known for one product only

Key differences

Processor family
- Dual Screen:Intel® Core™ i5
- ThinkPad T420i Intel® Core™ i3 i3-2310M:Intel® Core™ i3
Processor generation
- Dual Screen:4th gen Intel® Core™ i5
- ThinkPad T420i Intel® Core™ i3 i3-2310M:2nd gen Intel® Core™ i3
Processor model
- Dual Screen:i5-480M
- ThinkPad T420i Intel® Core™ i3 i3-2310M:i3-2310M
Processor frequency
- Dual Screen:2.66 GHz
- ThinkPad T420i Intel® Core™ i3 i3-2310M:2.1 GHz
System bus rate
- Dual Screen:2.5 GT/s
- ThinkPad T420i Intel® Core™ i3 i3-2310M:5 GT/s
Processor socket
- Dual Screen:BGA 1288
- ThinkPad T420i Intel® Core™ i3 i3-2310M:BGA 1023
Processor codename
- Dual Screen:Arrandale
- ThinkPad T420i Intel® Core™ i3 i3-2310M:Sandy Bridge
Stepping
- Dual Screen:K0
- ThinkPad T420i Intel® Core™ i3 i3-2310M:J1

Side by side

Differences highlightedShow differences only

Comparison of Dual Screen, T420i
182 specifications	A Acer Dual Screen View product	B Lenovo ThinkPad T420i Intel® Core™ i3 i3-2310M Model T420i View product
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Displayidentical
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
TouchscreenKnown for one	Yes	Unknown — not stated by the source
HD typeKnown for one	HD	Unknown — not stated by the source
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	200 cd/m²
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	4th gen Intel® Core™ i5	2nd gen Intel® Core™ i3
Processor modelDiffers	i5-480M	i3-2310M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	2.93 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.66 GHz	2.1 GHz
System bus rateDiffers	2.5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1288	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-400 Series	Intel Core i3-2300 Mobile Series
Processor codenameDiffers	Arrandale	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	K0	J1
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	20	21
ECC supported by processor	No	No
Memory1 differ
Memory clock speedDiffers	1066 MHz	1333 MHz
Maximum internal memory	8 GB	8 GB
Internal memoryKnown for one	Unknown — not stated by the source	4 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage1 differ
Total storage capacityDiffers	640 GB	320 GB
Storage mediaKnown for one	HDD	Unknown — not stated by the source
HDD capacityKnown for one	640 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-RW
Graphics3 differ
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 3000
On-board graphics card base frequencyDiffers	500 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	766 MHz	1100 MHz
Maximum graphics card memoryKnown for one	0.128 GB	Unknown — not stated by the source
Graphics cardKnown for one	HD Graphics	Unknown — not stated by the source
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x116
Audioidentical
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Front camera resolutionKnown for one	1280 x 1024 pixels	Unknown — not stated by the source
Rear cameraKnown for one	No	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Data networkKnown for one	Not supported	Unknown — not stated by the source
SIM card supportKnown for one	No	Unknown — not stated by the source
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	2	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	0
Micro-USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
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
Mini HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Headphone outputs	1	1
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotKnown for one	No	Unknown — not stated by the source
Mini-USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
TV-in portKnown for one	No	Unknown — not stated by the source
TV-out	No	No
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Performanceidentical
Electronic compassKnown for one	No	Unknown — not stated by the source
GPS (satellite)Known for one	No	Unknown — not stated by the source
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® QM67 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Full-size keyboardKnown for one	Unknown — not stated by the source	No
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	Microsoft Office Starter, Bing Bar, Windows Live Essentials	Unknown — not stated by the source
Processor special features14 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyDiffers	45 nm	32 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	Yes	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 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)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	1.0	No
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	52952	52220
Processor codeDiffers	SLC26	SR04S
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Battery1 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsDiffers	4	6
Battery capacityKnown for one	3000 mAh	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security2 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerDiffers	No	Yes
Trusted Platform Module (TPM)Known for one	No	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Wi-Fi certifiedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
WeightDiffers	2.8 kg	2.24 kg
WidthDiffers	347 mm	340 mm
DepthDiffers	249 mm	229.8 mm
HeightKnown for one	32 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	2.99 cm
Height (rear)Known for one	Unknown — not stated by the source	3.04 cm
Videoidentical
HD-ReadyKnown for one	Yes	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	No	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Infrared data port	No	No
Assisted GPS (A-GPS)Known for one	No	Unknown — not stated by the source
Internal modemKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3/802.3u/802.3ab
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

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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