Product comparison · 2 laptops

Acer Aspire AS5742-7120 Intel® Core™ i3 i3-370M vs Lenovo IdeaPad U450p Intel® Pentium® SU4100

130specifications compared
48differ
82identical
94known for one product only

Key differences

Display diagonal
- Aspire AS5742-7120 Intel® Core™ i3 i3-370M:39.6 cm (15.6")
- IdeaPad U450p Intel® Pentium® SU4100:35.6 cm (14")
Processor family
- Aspire AS5742-7120 Intel® Core™ i3 i3-370M:Intel® Core™ i3
- IdeaPad U450p Intel® Pentium® SU4100:Intel® Pentium®
Processor model
- Aspire AS5742-7120 Intel® Core™ i3 i3-370M:i3-370M
- IdeaPad U450p Intel® Pentium® SU4100:SU4100
Processor threads
- Aspire AS5742-7120 Intel® Core™ i3 i3-370M:4
- IdeaPad U450p Intel® Pentium® SU4100:2
Processor frequency
- Aspire AS5742-7120 Intel® Core™ i3 i3-370M:2.4 GHz
- IdeaPad U450p Intel® Pentium® SU4100:1.3 GHz
Processor cache
- Aspire AS5742-7120 Intel® Core™ i3 i3-370M:3 MB
- IdeaPad U450p Intel® Pentium® SU4100:2 MB
Processor cache type
- Aspire AS5742-7120 Intel® Core™ i3 i3-370M:Smart Cache
- IdeaPad U450p Intel® Pentium® SU4100:L2
Processor socket
- Aspire AS5742-7120 Intel® Core™ i3 i3-370M:Socket 988
- IdeaPad U450p Intel® Pentium® SU4100:BGA 956

Side by side

Differences highlightedShow differences only

Comparison of AS5742-7120, U450p
224 specifications	A Acer Aspire AS5742-7120 Intel® Core™ i3 i3-370M Model AS5742-7120 View product	B Lenovo IdeaPad U450p Intel® Pentium® SU4100 Model U450p View product
Designidentical
Housing materialKnown for one	Aluminium, Plastic	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Display brightnessKnown for one	Unknown — not stated by the source	220 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
Processor14 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Pentium®
Processor generationKnown for one	Intel® Core™ i3	Unknown — not stated by the source
Processor modelDiffers	i3-370M	SU4100
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.4 GHz	1.3 GHz
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor socketDiffers	Socket 988	BGA 956
Processor lithographyDiffers	32 nm	45 nm
Processor seriesKnown for one	Intel Core i3-300 Mobile Series	Unknown — not stated by the source
Processor codenameDiffers	Arrandale	Penryn
Bus typeDiffers	DMI	FSB
SteppingDiffers	K0	R0
Thermal Design Power (TDP)Differs	35 W	10 W
TjunctionKnown for one	90 °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	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Number of Processing Die TransistorsDiffers	382 M	410 M
Processing Die sizeDiffers	81 mm²	107 mm²
CPU multiplier (bus/core ratio)Known for one	18	Unknown — not stated by the source
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Motherboard southbridgeKnown for one	Unknown — not stated by the source	Intel ICH9M
TcaseKnown for one	Unknown — not stated by the source	100 °C
Memory1 differ
Internal memoryDiffers	4 GB	3 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 + 1 x 2 GB
Memory slots (available)Known for one	Unknown — not stated by the source	0
Storage4 differ
Total storage capacityDiffers	320 GB	250 GB
HDD capacityDiffers	320 GB	250 GB
Number of SSDs installedKnown for one	0	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi DL	DVD±RW
Compatible memory cardsDiffers	MMC, SD	Memory Stick (MS), MMC, MS PRO, SD
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics2 differ
On-board graphics card familyDiffers	Intel® HD Graphics	Intel® GMA
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® GMA 4500MHD
On-board graphics card base frequencyKnown for one	500 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	667 MHz	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	HD	Dolby Home Sound Room
Built-in subwooferKnown for one	No	Unknown — not stated by the source
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Cameraidentical
Rear cameraKnown for one	No	Unknown — not stated by the source
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
Swivel webcamKnown for one	Unknown — not stated by the source	No
Optical driveidentical
Optical drive interfaceKnown for one	SATA	Unknown — not stated by the source
Disc types supportedKnown for one	CD, CD-R, CD-ROM, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-RW	Unknown — not stated by the source
LightScribeKnown for one	Unknown — not stated by the source	No
LabelflashKnown for one	Unknown — not stated by the source	No
Network1 differ
Mobile network connectionKnown for one	No	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g
WWANKnown for one	Not installed	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
4G WiMAXKnown for one	No	Unknown — not stated by the source
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	54 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111D(L)
Network connection typeKnown for one	Unknown — not stated by the source	RJ-45
Ports & interfacesidentical
Micro-USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
Mini HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Micro HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Mini VGA ports quantityKnown for one	0	Unknown — not stated by the source
Docking connectorKnown 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
S-Video portKnown for one	No	Unknown — not stated by the source
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
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Microphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Performance1 differ
Motherboard chipsetDiffers	Intel® HM55 Express	Intel® GS45 Express
GPS (satellite)Known for one	No	Unknown — not stated by the source
Keyboard1 differ
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system architectureDiffers	64-bit	32-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 features15 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyDiffers	Yes	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	49020	43568
Processor codeDiffers	SLBUK	SLGS4
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	22 x22 mm
Supported instruction setsKnown for one	SSE4.1, SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Battery1 differ
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Battery life (max)Differs	3.5 h	6 h
Poweridentical
Power auto-sensingKnown for one	Unknown — not stated by the source	Yes
Security1 differ
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	No	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	No	Unknown — not stated by the source
Password protection typeDiffers	BIOS, HDD, Supervisor, User	HDD, Power on, Supervisor
Certificatesidentical
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Silver, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.58 kg	2.1 kg
WidthDiffers	381 mm	338.5 mm
DepthDiffers	254 mm	235.5 mm
HeightKnown for one	33 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	2.3 cm
Height (rear)Known for one	Unknown — not stated by the source	2.89 cm
Width (imperial)Known for one	Unknown — not stated by the source	33.8 cm (13.3")
Depth (imperial)Known for one	Unknown — not stated by the source	23.6 cm (9.3")
Height (front) (imperial)Known for one	Unknown — not stated by the source	2.29 cm (0.9")
Height (rear) (imperial)Known for one	Unknown — not stated by the source	2.79 cm (1.1")
Packaging contentidentical
Mouse includedKnown for one	No	Unknown — not stated by the source
Bag includedKnown for one	No	Unknown — not stated by the source
Remote control includedKnown for one	No	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	Unknown — not stated by the source	AC
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Assisted GPS (A-GPS)Known for one	No	Unknown — not stated by the source
Intel Turbo MemoryKnown for one	0 GB	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, IEEE 802.3u, IEEE 802.3ab
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Volume controlKnown for one	Unknown — not stated by the source	Digital
Wake-on-LAN readyKnown 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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