Product comparison · 2 laptops

Acer eMachines 350_UMACkk_2 Intel Atom® N450 Netbook vs Lenovo T400 (6474-25G)

83specifications compared
43differ
40identical
54known for one product only

Key differences

Display diagonal
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:25.6 cm (10.1")
- T400 (6474-25G):35.8 cm (14.1")
Display resolution
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:1024 x 600 pixels
- T400 (6474-25G):1440 x 900 pixels
Native aspect ratio
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:5:3
- T400 (6474-25G):16:10
Processor family
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:Intel Atom®
- T400 (6474-25G):Intel® Core™2 Duo
Processor model
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:N450
- T400 (6474-25G):P8600
Processor cores
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:1
- T400 (6474-25G):2
Processor frequency
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:1.66 GHz
- T400 (6474-25G):2.4 GHz
Processor cache
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:0.512 MB
- T400 (6474-25G):3 MB

Side by side

Differences highlightedShow differences only

Comparison of 350_UMACkk_2, T400 (6474-25G)
137 specifications	A Acer eMachines 350_UMACkk_2 Intel Atom® N450 Netbook Model 350_UMACkk_2 View product	B Lenovo T400 (6474-25G)View product
Designidentical
Product typeKnown for one	Netbook	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	25.6 cm (10.1")	35.8 cm (14.1")
Display resolutionDiffers	1024 x 600 pixels	1440 x 900 pixels
Native aspect ratioDiffers	5:3	16:10
Display brightnessKnown for one	Unknown — not stated by the source	200 cd/m²
Processor16 differ
Processor familyDiffers	Intel Atom®	Intel® Core™2 Duo
Processor modelDiffers	N450	P8600
Processor coresDiffers	1	2
Processor frequencyDiffers	1.66 GHz	2.4 GHz
Processor cacheDiffers	0.512 MB	3 MB
Processor front side busDiffers	667 MHz	1066 MHz
Processor socketDiffers	BGA 559	Socket 479
Processor seriesDiffers	Intel Atom N400 Series	Intel Core 2 Duo P8000 Series
Processor codenameDiffers	Pineview	Penryn
Bus typeDiffers	DMI	FSB
SteppingDiffers	A0	R1
Thermal Design Power (TDP)Differs	5.5 W	25 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die TransistorsDiffers	123 M	410 M
Processing Die sizeDiffers	66 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	10	9
Memory4 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	667 MHz	1066 MHz
Maximum internal memoryDiffers	1 GB	8 GB
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	250 GB	160 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-RW
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, SD	Unknown — not stated by the source
Graphicsidentical
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® GMA 4500MHD
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Network2 differ
Networking featuresDiffers	Fast Ethernet, WLAN	Gigabit Ethernet
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wireless technologyKnown for one	802.11b/g/n	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100 Mbit/s	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	2	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantityDiffers	1	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
DVI portKnown for one	Unknown — not stated by the source	No
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Microphone inKnown for one	Unknown — not stated by the source	Yes
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	Yes
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
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
TV-outKnown for one	Unknown — not stated by the source	No
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GM45 Express
GPS (satellite)Known for one	No	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows 7 Starter	Windows Vista Business
Operating system architectureKnown for one	Unknown — not stated by the source	32-bit
Processor special features9 differ
Embedded options availableDiffers	Yes	No
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Processor ARK IDDiffers	42503	35568
Processor codeDiffers	SLBMG	SLGDZ
Processor package sizeDiffers	22 x 22 mm	35 x 35 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Supported instruction setsKnown for one	SSE2, SSE3, SSSE3	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	3	6
Battery life (max)Differs	4 h	6.5 h
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityKnown for one	2200 mAh	Unknown — not stated by the source
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	No
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	258.5 mm	335.3 mm
DepthDiffers	185 mm	238 mm
Height (front)Known for one	Unknown — not stated by the source	2.76 cm
Height (rear)Known for one	Unknown — not stated by the source	3.19 cm
WeightKnown for one	1.1 kg	Unknown — not stated by the source
HeightKnown for one	25.2 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Infrared data portKnown for one	Unknown — not stated by the source	No
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Internal modemKnown for one	Unknown — not stated by the source	Yes
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	HD	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source

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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