Product comparison · 2 laptops

Acer Aspire 5742-386G50MNkk Intel® Core™ i3 i3-380M vs Lenovo ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop

109specifications compared
56differ
53identical
82known for one product only

Key differences

Display diagonal
- Aspire 5742-386G50MNkk Intel® Core™ i3 i3-380M:39.6 cm (15.6")
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:35.6 cm (14")
Display resolution
- Aspire 5742-386G50MNkk Intel® Core™ i3 i3-380M:1366 x 768 pixels
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:1600 x 900 pixels
Processor family
- Aspire 5742-386G50MNkk Intel® Core™ i3 i3-380M:Intel® Core™ i3
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:Intel® Core™ i7
Processor generation
- Aspire 5742-386G50MNkk Intel® Core™ i3 i3-380M:Intel® Core™ i3
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:2nd gen Intel® Core™ i7
Processor model
- Aspire 5742-386G50MNkk Intel® Core™ i3 i3-380M:i3-380M
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:i7-2620M
Processor frequency
- Aspire 5742-386G50MNkk Intel® Core™ i3 i3-380M:2.53 GHz
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:2.7 GHz
System bus rate
- Aspire 5742-386G50MNkk Intel® Core™ i3 i3-380M:2.5 GT/s
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:5 GT/s
Processor cache
- Aspire 5742-386G50MNkk Intel® Core™ i3 i3-380M:3 MB
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:4 MB

Side by side

Differences highlightedShow differences only

Comparison of 5742-386G50MNkk, T420s
191 specifications	A Acer Aspire 5742-386G50MNkk Intel® Core™ i3 i3-380M Model 5742-386G50MNkk View product	B Lenovo ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop Model T420s View product
Designidentical
Product typeKnown for one	Unknown — not stated by the source	Laptop
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
HD typeKnown for one	Unknown — not stated by the source	HD+
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	300:1
Processor12 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i7
Processor generationDiffers	Intel® Core™ i3	2nd gen Intel® Core™ i7
Processor modelDiffers	i3-380M	i7-2620M
Processor frequencyDiffers	2.53 GHz	2.7 GHz
System bus rateDiffers	2.5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	4 MB
Processor socketDiffers	PGA988	BGA 1023
Processor seriesDiffers	Intel Core i3-300 Mobile Series	Intel Core i7-2600 Mobile Series
Processor codenameDiffers	Arrandale	Sandy Bridge
TjunctionDiffers	90 °C	100 °C
PCI Express configurationsDiffers	1x16	1x16, 2x8, 1x8+2x4
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	19	27
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.4 GHz
L3 cacheKnown for one	Unknown — not stated by the source	4 MB
L2 cacheKnown for one	Unknown — not stated by the source	4 MB
SteppingKnown for one	Unknown — not stated by the source	J1
Memory2 differ
Internal memoryDiffers	6 GB	4 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speedDiffers	1066 MHz	1333 MHz
Memory layout (slots x size)Known for one	1 x 2 + 1 x 4 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	500 GB	160 GB
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityDiffers	500 GB	160 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD, SDHC, SDXC
Graphics5 differ
Discrete graphics card modelDiffers	Intel® HD Graphics	NVIDIA® Quadro® NVS 4200M
Graphics card familyDiffers	Intel	NVIDIA
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	667 MHz	1300 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x116
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.001 GB
Maximum resolutionKnown for one	Unknown — not stated by the source	1600 x 900 pixels
Optical driveidentical
CD-R read speedKnown for one	24x	Unknown — not stated by the source
CD-R write speedKnown for one	24x	Unknown — not stated by the source
CD-RW read speedKnown for one	24x	Unknown — not stated by the source
CD-RW write speedKnown for one	16x	Unknown — not stated by the source
DVD-R read speedKnown for one	8x	Unknown — not stated by the source
DVD-R write speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	6x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	4x	Unknown — not stated by the source
DVD-RW read speedKnown for one	6x	Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
DVD+R read speedKnown for one	8x	Unknown — not stated by the source
DVD+R write speedKnown for one	8x	Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	6x	Unknown — not stated by the source
DVD+R Double Layer write speedKnown for one	4x	Unknown — not stated by the source
DVD+RW read speedKnown for one	6x	Unknown — not stated by the source
DVD+RW write speedKnown for one	8x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	5x	Unknown — not stated by the source
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
BluetoothDiffers	No	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Wireless technologyKnown for one	Unknown — not stated by the source	LAN; WWAN
Bluetooth versionKnown for one	Unknown — not stated by the source	3.0+HS
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	1
eSATA/USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
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
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DisplayPorts quantityDiffers	0	1
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
SmartCard slotDiffers	No	Yes
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Keyboard typeKnown for one	Unknown — not stated by the source	7-row with Trackpoint
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features16 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
Graphics & IMC lithographyDiffers	45 nm	32 nm
Intel Clear Video TechnologyDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
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® Turbo Boost TechnologyDiffers	No	2.0
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDDiffers	50178	52231
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsDiffers	SSE4.1/4.2	AVX
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
Processor codeKnown for one	Unknown — not stated by the source	SR041
Batteryidentical
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Battery life (max)Known for one	Unknown — not stated by the source	5.5 h
Power1 differ
AC adapter powerDiffers	65 W	90 W
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.6 kg	1.67 kg
WidthDiffers	381 mm	343 mm
DepthDiffers	253 mm	230.1 mm
HeightDiffers	34 mm	21.2 mm
Height (front)Known for one	Unknown — not stated by the source	2.12 cm
Height (rear)Known for one	Unknown — not stated by the source	2.6 cm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Security featuresKnown for one	Unknown — not stated by the source	Client Security Solution, Hard disk drive password, Power-on password, Security lock slot, Supervisor password Fingerprint Reader
Battery typeKnown for one	Unknown — not stated by the source	6 Cell Lithium-Ion
Modem typeKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Manageability featuresKnown for one	Unknown — not stated by the source	Client Security Solution, ThinkVantage Access Connections, ThinkVantage Active Protection System, ThinkVantage Rescue and Recovery
Drive baysKnown for one	Unknown — not stated by the source	Ultrabay Enhanced
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Audio includedKnown for one	Unknown — not stated by the source	Mute Button, Speakers (integrated)
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® QM67 Express

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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